Re: [Qgis-user] projection center

[Andre Joost]

Am 29.01.2015 um 17:46 schrieb Alexandre Neto:

You may need java for other software, but not for QGIS.

I'm not familiar with OS X installation of qgis.


It seems to be necessary on MacOS for the use of GDAL:

http://lists.osgeo.org/pipermail/qgis-user/2014-October/029431.html

Greetings,
André Joost


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Re: [Qgis-user] ID field does not show up

[Andre Joost]

Am 18.08.2012 23:43, schrieb Julian Bogdani:

In reference to a previous post and to
http://gis.stackexchange.com/questions/31732/primary-key-field-hidden-on-atributes-tables-addes-to-qgis
here are the files showing the problem.
I'm running QGIS 1.8 on MacOS Snow Leopard.



Hi,

I have tested your database and encountered the same problem.
I think it is because there are no geometry information in your 
database. So far it is only a sqlite database, not a spatialite one.


I have created a new test sqlite database with a point layer, but DB 
Manager would not let me copy your geometryless table to my database.


So I opened your database with qspatialite, and that plugin added tables 
geom_cols_ref_sys, geometry_columns and spatial_ref_sys to it. Now I 
could drag and drop table "test" from your database to mine using DB 
Manager. And adding that table to the canvas by checking geometryless 
tables, gives the correct table view with ID and text field.


I think the problem will not accur if you create a sqlite database 
within qgis, and start with a geometry layer.


HTH,
Andre Joost


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Re: [Qgis-user] ID field does not show up

[Andre Joost]

Am 19.08.2012 10:24, schrieb Julian Bogdani:

Hi, it's not a spatialite db I want to add to my project, but a
simple text table. I need to load external attributes from plain text
tables and join with my vector layers.


Yes, I understood that. But you can store those simple tables in your 
sqlite database as well, together with the vector layers. The database 
can hold as much tables as you want, having only text or vectors. And 
Add sqlite database table will show all fields.



I think that the missing
ID field should be considered a bug, because we should be able to
manage external data as they are, without filters.



You can open a ticket for it. Maybe the programmer thought it was a good 
idea to hide the id. What will happen if you edit the id field, and the 
value is not unique anymore? Or add another object?


Greetings,
André Joost

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Re: [Qgis-user] Stand allone and Osgeo install in a Win 64 environment

[Andre Joost]

Am 22.08.12 02:51, schrieb Gerardo Jimenez:

This is a rookie question, When you install Qgis  via the standallone
installer in a win64 environment, it does install a 32 bit version of
Qgis. If you install it via OSgeo Does it install a 64bit version of
Qgis?



As far as I know, there is no 64-bit version of qgis for Windows 7.

Greetings,
André Joost

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Re: [Qgis-user] qgis fonts

[Andre Joost]

Am 22.08.2012 16:04, schrieb skampus:

i see in print composer that the predefined font is MS Shell Dlg2 but i don't
see it in windows font list.
as i'd like to use it also in other application, also to create horizontal
legends to insert in layout, is this font installed only for qgis and
available only to it?


The MSShell Dlg2 font is created by Micorsoft to ensure cross-platform 
programming. It is replaced by the operating system by an appropriate 
local font. You find information on that here:



<http://msdn.microsoft.com/en-us/library/windows/desktop/dd374112%28v=vs.85%29.aspx>

HTH,
Andre Joost


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Re: [Qgis-user] KML Error when opening in QGIS

[Andre Joost]

Am 23.08.12 09:17, schrieb WRoberts:

Hi All,

I have been opening and working with kml data in qgis for sometime and have
had very few issues. Unfortunately I seem to have run into a problem with a
file sent to from a colleague in the field. The kml in questions opens in GE
no problem and even has a time feature whereby the start and end time is
shown and the user can move the slider to see how and where the device was.
Nice feature but I think it is introducing an error when attempting to open
in QGIS. The kml is a track of a road and was collected using an android app
called GPS essentials. The qgis error states *.kml is not a valid or
recognized data source.

ogrinfo returns
:~$ ogr2ogr -f 'ESRI Shapefile' output.shp Track-082212_83453.kml
ERROR 4: No layers in KML file: Track-082212_83453.kml.
FAILURE:
Unable to open datasource `Track-082212_83453.kml' with the following
drivers.

When I open the kml in gedit I get an xml type structure.



What kind of data is stored in the kml?
We recently had an issue that it may not contain points *and* lines 
together. Ogr2ogr expects either points, lines, or polygons, but not all 
together. Maybe your time data is notr recognized by teh ogr driver as well.


Perhaps you can convert it to GPX format with gpsbabel. The gpx importer 
in Qgis allows data with timestamp.


HTH,
André Joost

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Re: [Qgis-user] qgis fonts

[Andre Joost]

Am 23.08.2012 22:26, schrieb skampus:

thank you for your reply. so if i have wel understood it is a
"virtual" font that can be changed by sans serif, isn't it?



It depends on your operating system and local language, which font is
actually used:



MS Shell Dlg maps to Microsoft Sans Serif if the machine default UI
language is set to a language other than Japanese. MS Shell Dlg 2
simply uses the Tahoma font regardless of language.


Greetings,
Andre Joost

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Re: [Qgis-user] question on the calculation of the distance between points

[Andre Joost]

Am 27.08.12 13:59, schrieb Sergio Vignali:

I found the problem. I worked with a postgis vector and I obtained a
illegible csv file.
Now I have saved the postgis vector as a shp and the distance matrix works
well.

I have another question, the csv file return a distance as degree (true?),
but if I want a linear distance (m), how can I do?


What Coordinate reference System has your project/your shp?
If you have lat/lon, you will get results in degrees. If you take a 
projected CRS, you get metres (or feet).


Greetings,
Andre Joost

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Re: [Qgis-user] merge multiple spatialite tables into one

[Andre Joost]

Am 27.08.2012 23:44, schrieb Etienne Tourigny:

Hi all,

I have a number of spatial tables in spatialite DB, each with similar
data, that I want to merge into a single table. I don't want to join
them, but have a single table/view with data from all tables.

I know this can be achieved through sql commands, but is there an easy
(GUI) way to insert content from one table into another?



Select one Layer to be copied from in the layer list
select all members by rectangle,
Edit/Select objects
Select the Layer to be copied to in the layer list
switch to edit mode
Edit/Insert objects
unselect all elements

The attribute tables of the layers should have the same structure.

HTH,
Andre Joost


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Re: [Qgis-user] nadgrids beta2007

[Andre Joost]

Hi,

looking at the CRS below, there is no +towgs84-parameter.

Current Qgis has the following string for EPSG:31466, which is 
Gauss-Krueger-2:


+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=250 +y_0=0 +ellps=bessel 
+towgs84=582,105,414,1.04,0.35,-3.08,8.3 +units=m +no_defs


This was changed some time ago. Perhaps this is already sufficent for 
your needs.


The +towgs84 values vary across Germany. Thats what beta2007 is for. But 
within one state a constant value should be sufficent in most cases.


You can find other towgs84 parameters here:






Greetings,
André Joost



Am 28.08.2012 15:29, schrieb Bernhard Ströbl:

Hallo Sylvia,

this is an English speaking list
Which version of QGIS are you using?
I can confirm that the +nadgrids... parameter is missing in 1.7.4 if I
want to apply my custom CRS to a layer on Windows, but it stays in 1.8.0.

Bernhard

Am 28.08.2012 14:01, schrieb Sylvia Preuß:

Liebe Quantum Gis Benutzer,

Ziel ist es, eine csv-Datei mit GK2-Koordinaten (NRW) On The Fly in
Quantum Gis in ETRS89/UTM Zone 32N

zu projizieren. Mit folgenden 2 Beispielen aus vorhanden
Koordinatensystemen reicht die

Genauigkeit leider nicht aus.

a.csv

rechts;hoch;attr

2591543,00;5654282,00;a



1.

Projekteinstellungen

+proj=utm +zone=32 +ellps=WGS84 +datum=WGS84 +units=m +no_defs

WGS84; 32632

Räumliches Bezugssystem des Layers

+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=250 +y_0=0 +ellps=bessel
+datum=potsdam +units=m

+no_defs

DHDN Gauß-Krüger Zone 2;31466

Abweichung ca. 4 m



2.

Projekteinstellungen

+proj=utm +zone=32 +ellps=GRS80 +units=m +no_defs

ETRS89/UTM Zone 32N; 25832

Räumliches Bezugssystem des Layers

+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=250 +y_0=0 +ellps=bessel
+datum=potsdam +units=m

+no_defs

DHDN Gauß-Krüger Zone 2;31466

Abweichung ca. 150 m

Deshalb möchte ich in QGIS ein benutzerdefiniertes Koordinatensystem
erstellen mit nadgrids

beta2007.gsb

Folgende 2 Varianten habe ich z. B. angelegt.

+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=250

+y_0=0 +ellps=bessel +units=m +no_defs +nadgrids=C:\Pfad\zu\beta2007.gsb

+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=250

+y_0=0 +ellps=bessel +datum=potsdam +units=m +no_defs
+nadgrids=C:\Pfad\zu\beta2007.gsb

Nachdem ich Textdatei (a.csv) als Layer importieren ausgeführt habe,
Layereigenschaften -

Allgemein auswähle und unter KBS angeben das benutzerdefinierte
Koordinatensystem auswähle,

werden die +nadgrids=C:\Pfad\zu\beta2007.gsb nicht mit angezeigt,
sondern die Parameter auf

+proj=tmerc +lat_0=0 +lon_0=6 +k=1 +x_0=250 +y_0=0 +ellps=bessel
+units=m +no_defs

reduziert. Überschreiben lässt sich diese Zeile nicht.

In das Feld Initialisierungsfunktion kann ich alles komplett einfügen
jedoch reagiert QGIS nicht

darauf.

Wie kann ich die nadgrids-Funktion On The Fly verwenden? Wie muss das
benutzerdefinierte

Koordinatensystem aussehen?

Viele Grüße Sylvia




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Re: [Qgis-user] creating .gpx file strips out al the attributes

[Andre Joost]

Am 28.08.2012 16:40, schrieb M.E.Dodd:

The 'save as' command in qgis seems to strip out attribute data when
creating files of certain sorts such as .gpx and also gives problems
with .kml where the markers are not identified with any of the
attributes.  Are there any workarounds for these problems?

More detail on the .gpx issue, it will produce a .gpx file if you
select 'skip attribute creation' but if you don't select this then it
fails with the error message: "Export to vector file failed. Error:
creation of field tree_id failed (OGR error: Field of name 'tree_id'
is not supported in GPX schema. Use GPX_USE_EXTENSIONS creation
option to allow use of the  element.)"

It appears to be quite a helpful error message except that I can't
see anywhere to "Use GPX_USE_EXTENSIONS creation option"



Well, just do as you are told:
Insert GPX_USE_EXTENSIONS=yes in the layer field, and the GPX creation 
works.


More about that here:
http://www.gdal.org/ogr/drv_gpx.html

HTH,
André Joost

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Re: [Qgis-user] Qgis 1.8 - Sextante plugin doesn't install - corrupt

[Andre Joost]

Am 29.08.12 12:56, schrieb Paolo Cavallini:

Il 29/08/2012 12:48, Pietro Rossin ha scritto:


Do you know how to completely remove all dirs and settings from my pc that
deal with qgis?


Hi Pietro,
I think the issue is with your user dir, not with the installation.


In case you don't know where to look, its:
C:\Documents&Steiings\\.qgis on Windows XP
C:\users\\.qgis on Windows 7
Just delete or rename the directory *before* installation.

Greetings,
André Joost


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Re: [Qgis-user] qwt5.dll error with Qgis 1.8.0.

[Andre Joost]

Am 30.08.12 14:05, schrieb Corina Tudorache:

Hi,

Has anyone encoutered problems launching the Qgis 1.8.0.? I got the
message The program can't start because qwt5.dll is missing from your
computer. Does anyoane know how to solve this?



Yes, there are several bug reports already:



HTH,
André Joost


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Re: [Qgis-user] Plugins

[Andre Joost]

Am 03.09.12 03:54, schrieb Federico Nadela:

I am unable to install the following plug-ins as they are not listed
in the available list: 1. Point sampling tool 2. Contour Please
advise where I can get them. They are mentioned in "How to sample
raster data sets using points in QGIS" and " How to generate contours
using point data in QGIS". Thanks Federico M. Nadela



Since Qgis 1.8.0, you have to add the "Qgis contributed repository" 
manually in the second tab. URL is

http://pyqgis.org/repo/contributed

HTH,
Andre Joost

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Re: [Qgis-user] Domains darstellen

[Andre Joost]

Am 14.09.2012 09:14, schrieb carann00:

I received a .shp with M-Values (M-Werte) of streams.

According to the data issuer, it should be possible to display the domains
contained in the .shp.



It would be helpful to us if you could explain what "M-values" and 
"domains" should be in your case.


Greetings,
André Joost


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Re: [Qgis-user] Layers in qgs file not present in the Layers pane

[Andre Joost]

Hi,

Am 17.09.2012 22:08, schrieb Julian Bogdani:

Hello
I've posted a question on gis.stackexchange.com
(http://gis.stackexchange.com/questions/33608/layers-in-qgs-file-not-present-in-the-layers-pane),
and as promised there I'm sending here a qgis project file with a phantom layer
to use for test.
The phantom layer is named: "plan01_2012" and references to:
"./Planimetrie/2012/plan01_2012.tif" as you can see in lines 27 and following.
Opening the project with QGIS no error is showed for the missing reference, and
no layer is shown in the Layers pane.


After I put a tif file in the place to be, I could reproduce the error 
(Lisboa and master). But manually adding the tif to a fresh file added 
the following extra lines:


checked="Qt::Checked" name="plan01_2012" showFeatureCount="0">


layerid="plan01_201220120829235552845" visible="1"/>





Inserting this to your file after , 
the project opens normally. Maybe a bug concerning opening older version 
projects.



Checking better I can find a reference of this layer in the "Identifiable layer"
tab of Project properties.
Saving project as will not purge the file.


If you dont want the layer to be in the project anymore:
Move the project file to another location, or rename/move the unwanted 
tif or the layers folder.
Opening the project will give you the bad layers handling dialogue. 
Close that without actions, and save the project. That should remove the 
unwanted layer from the project.




As you can see in the same file other traces of older files are still present in
the xml, for instance near lines126 and following: a list of vector layer with
snapping turned on. This does not produce any error, but getting them removed
when layer is removed is probably cleaner.


Yes, but thats another -minor- problem.
I have not found a solution for that.

Greetings,
André Joost


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Re: [Qgis-user] getting statistics from a raster layer

[Andre Joost]

Am 18.09.2012 10:32, schrieb Nick Hopton:

Antonio Silva wrote

Following the suggestions I got an error message: "Cannot compute bounding
box of cutline." when  cutting the raster.


Just checking, but the raster layer and the vector polygon layer do have the
same CRS? You can't cut a raster with a vector unless both have the same
native CRS. In other words, both layers must align properly on the QGIS
screen with on-the-fly CRS transformation turned off.


I guess that is the only case where on-the-fly should be *off*. Perhaps 
that should better be added to the error message?


Greetings,
Andre Joost

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Re: [Qgis-user] getting statistics from a raster layer

[Andre Joost]

Am 19.09.2012 05:11, schrieb Antonio Silva:



Now I'm getting: "Warning : the input vector layer has a SRS, but the
source raster dataset does not.
Cutline results may be incorrect."


So, what is going wrong? The asc (raster file) and the shape with the
polygon can be downloaded at http://dl.dropbox.com/u/755659/TSM.rar


The gdalwarp command does not know anything about the CRS you set inside 
Qgis. So you have to apply the CRS to the raster file first:


gdalwarp -t_srs EPSG:4326 32610_2.asc 32610_2.tif

With that fully flavoured Geotiff you can do all necessary gdal operations.

HTH,
André Joost

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Re: [Qgis-user] Can't add kml-file to QGIS

[Andre Joost]

Am 20.09.2012 14:06, schrieb Johan Nilsson:

I have exported some track-logs from a Android app called *'GPS-Essential'* and
I can add them to Google map and to Google Earth. But when I triy to add
(Layer-->Vector Layer to QGIS i get this message:

  /home/joni/GIS/GPSE/kml/Track-09_19_12 11_42_21.kml is not a valid or
recognized data source



Can you open the file with a text editor?
Qgis does not like folders with mixed content (points, lines and/or 
polygons). Furthermore,  tags can not be read.




Are there any other tools to convert to for instance shape-files.
GPS-Essential save their data in a sqlite-file, so I can export from
asql-manager to. I don't know how I open a sqlite db in QGIS either.


Just as simple as Add new spatialite layer, if it is a spatialite sqlite 
database. Otherwise it would be a non-spatial layer. You can try Qgis DB 
Manager to look inside the database.


Has GPS-Essential any other output options? I would assume GPX, beeing 
standard in GPS data exchange. At least Google Earth does IIRC.


Greetings,
André Joost

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Re: [Qgis-user] Measuring unit of $lenght / Unidad de medida de $lenght

[Andre Joost]

Am 20.09.2012 19:37, schrieb Pablo Schweitzer:

Thanks Alex...
Perhaps the unit of measurement is "degrees". In Ecuador the circumference of
the earth is 40,076 km. 40076/360 ° = 109.79. But the equivalence degrees =
km varies with latitude and longitude. So use a conversion factor is very
difficult in large countrys lake Argentina :-(

In

You can change the unit of measure?



It just depends on the Coordinate reference Systems (CRS) you use.

WGS84 lat/lon ist in degrees, and most projected CRS are in meters (or 
feet in some countries). Only Google Mercator has no real unit of mesure.


You can have a layer in lat/lon CRS, but the project set to a projected 
CRS using metres (checking "on-the-fly-projection" in settings/Project 
Settings). Measuring is always done in the *project* CRS. Just check out 
what projected CRS is common in your country. At least UTM (with correct 
Zone) applies world wide.


HTH,
Andre Joost

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Re: [Qgis-user] Fwd: Can't add kml-file to QGIS

[Andre Joost]

Am 20.09.2012 20:37, schrieb Johan Nilsson:

Sorry, I just mailed to André and not the list. I don't know why...but here
it come.



Ok, just for the record my answer:

The  might kill the kml import in Qgis. If your software does 
not offer export to other formats, load the data into Google Earth, and 
try gpx export from there.


For the sqlite database:
Qgis can also read delimited text (such as csv) with columns for x and y 
coordinates. It should be possible to export in such a way from 
non-spatialite sqlite databases, but I have no experience with that.


Greetings,
André Joost

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Re: [Qgis-user] "Normal" mdb support possible for "normal" people?

[Andre Joost]

HiBernd,

apart from the solution you mention, MS Access database tables can also 
be accessed via the evis plugin. But this is only a one-way-importer.


It should be possible to connect to MDBs the same way as postgis and 
spatialite databases. I think the problem comes with database 
synchronisation and parallel working on the same database.


In such cases, the ultimate answer is: "You can have what you want, if 
you pay a developer for it."


Greetings,
André Joost

Am 22.09.2012 00:59, schrieb Bernd Vogelgesang:

Hi there,
from a talk at the German User Meeting today in Kassel (thanx to Claas
for the organization), i got the impression that ONE important thing in
qgis is still missing:
Direct support for normal access databases!

Personal geodatabases work like a charm now (many thanx for this!), but
i was told, that a lot of people who would be the perfect target group
for qgis, still work on a completely gis-free level, dealing with their
data in normal access databases or even worse formats.

To catch those people and show them the light, it seems to me to be
crucial, that qgis would be able to add/join/edit normal tables from
normal access database as well without having to do such odbc-magic
apprx. 99% of the world population have never heard of.

Here
http://osgeo-org.1560.n6.nabble.com/direct-mdb-read-in-QGis-td4637313.html
i found a "solution" for geeks, but how about those people like me or
john doe, who have no idea about how to compile gdal with other stuff
but are merely able to do some gis work?

I couldn'd find a feature request on the hub on this matter, so i wonder
if this would be a good feature request, or whether there are technical,
legal or "political" constraints preventing such a support so far.

As far as i understand ESRI personal geodatabases are just some pimped
access databases, so the impossibility to just load such in qgis is a
mystery to me.

Can anybody shed some light on this issue?





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Re: [Qgis-user] Fwd: "Normal" mdb support possible for "normal" people?

[Andre Joost]

Am 22.09.2012 09:17, schrieb Johan Nilsson:


There is another thing with 'Personal geodatabase' and that is that ESRI
don't recommend to use it in their documentation because it slow and get
really slow if they are bigger and the absolute size are limited.


Yes, that's true. Spatial index will not be possible on MDBs (as well as 
on spataialite). But MS Access is widely spread, so a connection would 
be highly appreciated. And MDBs are easily portable (again, as well as 
spatialite). Thats a great advantage to Postgis.


Greetings,
Andre Joost

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Re: [Qgis-user] Fwd: "Normal" mdb support possible for "normal" people?

[Andre Joost]

Am 22.09.2012 09:43, schrieb Johan Nilsson:

Okey. I'm new to database use i GIS and have only used file database that
ESRI recommend. But if mdb are a propretarian and only work well with MS
access, how can it then be highly portable?



I thought of "portable" in the sense of taking a database from one 
computer to another. MDB  and sqlite are just one file, Shapefile a 
couple of files, and PostgreSQL/Postgis is very complicated to 
share/take with you or make a security copy.


Greetings,
André Joost

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Re: [Qgis-user] Fwd: "Normal" mdb support possible for "normal" people?

[Andre Joost]

Am 22.09.2012 13:47, schrieb Micha Silver:

On 09/22/2012 10:27 AM, Andre Joost wrote:

 Am 22.09.2012 09:17, schrieb Johan Nilsson:


 There is another thing with 'Personal geodatabase' and that is that ESRI
 don't recommend to use it in their documentation because it slow and get
 really slow if they are bigger and the absolute size are limited.


 Yes, that's true. Spatial index will not be possible on MDBs (as well as on
 spataialite). But MS Access is widely spread, so a connection would be highly
 appreciated. And MDBs are easily portable (again, as well as spatialite).
 Thats a great advantage to Postgis.



I'm not sure I understood your comment, but spatial indexing is definitely
supported in Spatialite using the R*Tree structure.


I referred to the spatialite 2.1 manual still first in Google search.

I guess its not fully supported by the stable Qgis 1.8.0.
In DB Manager, I have an entry Spatial Index, but get an error
"no such module: VirtualSpatialIndex". Qspatialite throws an error for 
the same reason, and a message "No spatial index defined".


I read that spatialitegui might solve the problem, but I want to work 
inside Qgis. So still nothing for "normal" people ;-)


Using Master I get other errors about missing pyspatialite.

Gruß,
André Joost

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Re: [Qgis-user] Fwd: "Normal" mdb support possible for "normal" people?

[Andre Joost]

Am 22.09.2012 14:57, schrieb Micha Silver:



I have a feeling that QSpatialite is somewhat behind. I'm using spatialite 3.0
with the spatialite_gui 1.5 and there you have access to the new format for
making use of spatial indexes.

The problem is that, unlike PostGIS, spatial indexes are not used automatically.
After you create a spatial index on a table, you must then construct your query
to make use of it. This is certainly non-intuitive for "normal people".



I would surely use those spatial index features if they are fully 
incorporated in Qgis. In the meantime, I don't wont to spoil my existing 
databases with external programs. For large datasets, I still can export 
to my Openstreetmap Postgis database, which works fine.


Ok, but the topic here is not about spatialite or Postgis databases, but 
MS Access ones.


Greetings,
André Joost

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Re: [Qgis-user] color ramp plugin broken ?

[Andre Joost]

Am 23.09.2012 17:07, schrieb Andrea Peri:

Hi,
try-ing to install the plugin Color-Ramp.
I see this error:

The plugin is broken, Python said:
socket error.

I try to install it on qgis-dev (58ba3f0) from osgeo-setup.

Anyone has succesfull installing it ?


I guess you talk of the colorrampmanager plugin.

Installs here with no error on master 93ad1d0.
But I have no idea how to use it :-(
Still experimental...

Greetings,
André Joost

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Re: [Qgis-user] color ramp plugin broken ?

[Andre Joost]

Am 23.09.2012 21:53, schrieb Etienne Tourigny:


I haven't made any docs yet, I though it was straight-forward to use,
but I guess not.



As a software user, I can tell you that this almost never works ;-)



First you select the package you want

-  Use gradients that ship with qgis ->  uses the minimal selection
laready present
-  QGis selection ->  free to distribute selection, about 800 gradients
- Full cpt-city selection ->  all gradients,(about 6000)

Next you select the installation folder - if you are the only user,
you can select your profile folder $HOME/.qgis

Then you click Update, package is downloaded and installed.

Go to the style manager->Color ramps and add a new ramp "cpt-city",
you can browse by selection of by author.

Every 7 days the plugin looks for updates, and you can manually check
by clicking update. But this shouldn't happen too often.


You should add that it looks for updates of the color ramps, not updates 
of the plugin itself ;-)




There ya go!



What about a little help button at the bottom with this information?

Greetings,
André Joost

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Re: [Qgis-user] QT-Designer

[Andre Joost]

Am 24.09.2012 14:36, schrieb Sylvia Preuß:


how can I create a *.ui file with qt-designer? I want to create a new
object with attributes and would like to use my own form to insert
the attributes.

C:\Programme\Quantum GIS Wroclaw\apps\Python27\sip\PyQt4\QtDesigner
is installed. But I don’t know how to get it started.


No, that won't help you. You need the qt4-dev package from the 
osgeo4w-setup-Installation. It will not harm your standalone Qgis 
Wroclaw Installation.


Once installed you will find designer.exe in C:\Osgeo4w\bin.
To make the ui usable in qgis, you have to use the same field names as 
in your data.


Here are some blogs about designing ui:





HTH,
André Joost

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Re: [Qgis-user] QT-Designer

[Andre Joost]

Am 24.09.2012 16:05, schrieb Bernd Vogelgesang:



If anyone knows an easier way to get hands on the QT-Designer than
installing this huge creator thing, it would be nice to be told about it.



The Osgeo4w Installer has all you want...
qt4-dev is the package.

HTH,
André Joost

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Re: [Qgis-user] QT-Designer

[Andre Joost]

Am 25.09.2012 02:40, schrieb Etienne Tourigny:


On Mon, Sep 24, 2012 at 8:31 PM, Alister Hood
  wrote:


The designer is only 704kb.  Perhaps it should be included in the standalone 
QGIS installer...


+1

>

It probably has some dependencies though...



Using the Osgeo4w installer, the following packages are selected:
msvcrt
openssl
qt4-devel
qt4-libs
shapelib
zlib

so nothing special I think.

Greetings,
André Joost



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Re: [Qgis-user] Problem installing Profile plugin

[Andre Joost]

Am 09.10.2012 02:23, schrieb William Kyngesburye:

Profile tool is a plugin affected by an incompatibility of PyQwt5
with recent PyQt versions.  It needs to be fixed to use another
graphing toolbox like Matplotlib.  Until then it will be broken in
the current QGIS.




It also does not work on Qgis Master under Windows, but still works with 
1.8.0 there.

The author has promised me to rewrite the tool.

Greetings,
André Joost

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Re: [Qgis-user] Windows 7 doesn't show attributes in QGIS 1.8

[Andre Joost]

Am 18.10.2012 14:11, schrieb Otto Dassau:

Hi,

using qgis 1.8 with windows 7 I cannot see the attributes of a shape file?
The column names are displayed in the attribute tabel, but the attributes
not. Does anybody know a solution for this?


Works fine here.
You have to select objects (e.g. by rectangle) to see the attribute 
values. Without selection the table is empty.


HTH,
André Joost


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Re: [Qgis-user] Windows 7 QGIS and GDAL problems

[Andre Joost]

Am 19.10.2012 00:02, schrieb Ramon Andiñach:


Does anyone have any ideas?



Gdal has recently switched to version 1.9.2.
In the Osgeo4W Installer, you can still select the older version 1.9.1-2 
using advanced install.


HTH,
André Joost

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Re: [Qgis-user] work with ECW file and custom CRS

[Andre Joost]

Am 24.10.12 11:43, schrieb Daniele Bonaposta:

Hi to everyone!
first of all: I'm Daniele, a new qgis user and I'm glad to belong to this
list!

I need to display some satellite images in ecw format, I've read that is
possible from qgis 1.8 but It looks like isn't true, besides qgis 1.7.4
on-line docs don't speaks about it... How I can display these images?



ECW support needs a special driver.
On Windows, you need the osgeo4w-setup for this, and select advanced 
install, View: full. There you find the package gdal-ecw. mark that and 
Qgis, to get a Qgis version with ECW support.


See also:
http://www.gdal.org/frmt_ecw.html
I'm not sure if you have to install the ECW SDK too.

HTH,
André Joost

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Re: [Qgis-user] Error installing Qgis-dev using OSGEO4w

[Andre Joost]

For a clean install, rename your existing C:\OSGeo4w folder, and make a 
new install in a new folder, with only qgis-dev selected in advanced 
installation.


HTH,
André Joost

Am 25.10.2012 17:14, schrieb Alexandre Neto:

I have

gdal15.dll, gdal18.dll and gdal19.dll in C:\OSGeo4W\bin.

I don't find any repeated files regarding gdal anywhere in my system drive.

On Thu, Oct 25, 2012 at 12:56 PM, Andreas Neumannwrote:


Hi,

are there perhaps two or more gdal dlls on your system? Can you check on
your complete C drive and see if there are more dlls around for gdal?
Sometimes this is the cause of such problems.

Andreas


On Thu, 25 Oct 2012 12:33:03 +0100, Alexandre Neto wrote:


Trying to install qgis-dev (1.9.0-93 or 1.9.0-93) using Osgeo4w
installer, in windows vista 32bit, gives me the attached error:

Translating the best I can, it's something like:

  "Not possible to find procedure entry point ...bla bla bla... in the
gdal19.dll dynamic library."

Alexandre Neto



--
--
Andreas Neumann
Böschacherstrasse 10A
8624 Grüt (Gossau ZH)
Switzerland
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Re: [Qgis-user] Error installing Qgis-dev using OSGEO4w

[Andre Joost]

Am 26.10.12 12:55, schrieb PIERRE Sylvain:



I got already the same but with Windows 7 and the message is Not
possible to find procedure entry point ?GEOPROJ4@@3VQString@@B in the
qgis_core.dll dynamic library Your solution fails.



Looks like the qgis_core.dll is making trouble. If you have both Lisboa 
and master on your computer,

You should have to versions, one 4,6 MB and one 5.5 MB large.
It depends on the path variable, which one is taken. In your case it 
seems to be the wrong one.

What happens if you rename the older one?

HTH,
André Joost

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Re: [Qgis-user] Error installing Qgis-dev using OSGEO4w

[Andre Joost]

Am 26.10.12 13:09, schrieb Andre Joost:

Am 26.10.12 12:55, schrieb PIERRE Sylvain:



I got already the same but with Windows 7 and the message is Not
possible to find procedure entry point ?GEOPROJ4@@3VQString@@B in the
qgis_core.dll dynamic library Your solution fails.



Looks like the qgis_core.dll is making trouble. If you have both Lisboa
and master on your computer,
You should have to versions, one 4,6 MB and one 5.5 MB large.
It depends on the path variable, which one is taken. In your case it
seems to be the wrong one.
What happens if you rename the older one?


By the way, did you start qgis-dev.bat or qgis-dev.exe?

The .bat sets the environmnet variable correctly before starting the exe.

Greetings,
André Joost

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Re: [Qgis-user] Error installing Qgis-dev using OSGEO4w

[Andre Joost]

Am 26.10.2012 16:30, schrieb Alexandre Neto:

I had already both QGIS Master (1.9.0) and Qgis Stable (1.8.0) working on
my windows desktop.

I believe the problem started when the gdal Library was updated from
1.9.1-2 to 1.9.2-1. From that moment on, Qgis started to crash while
opening Mr.Sid Files.

For that reason I had to downgrade gdal back to 1.9.1-2. QGIS 1.8.0 works
well, but 1.9.0 become impossible to install\upgrade.


Thats why it is not recommended to use the nightly builds for daily use. 
They should only be used for testing purposes. or never be updated when 
you found a reliable version ;-)


With the stable versions, you can always go back to previous versions 
with full standalone installer.


So you have to be patient for Qgis 2.0 to come.

Greetings,
André Joost

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Re: [Qgis-user] WGS84

[Andre Joost]

Am 30.10.12 12:02, schrieb Paolo Craveri:

Take a look at this:

http://spatialreference.org/



... and for information with a few words in between:

http://www.asprs.org/a/resources/grids/

Greetings,
André Joost

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Re: [Qgis-user] GDAL utf-8 workaround

[Andre Joost]

Hi Ramon,

I agree with you. I fixed the utf-8 issue by inserting
SET SHAPE_ENCODING=UTF-8
at the beginning of the qgis.bat. No problems since then.

HTH,
André Joost

Am 02.11.12 05:41, schrieb Ramon Andiñach:

On windows, with OSGeo packages, doing that will probably create other problems.

-ramon.

On 02/11/2012, at 12:28, Vladimir Naumov  wrote:


Dear Sotiris,

the problem was fixed months ago. Try new GDAL 1.9.2

Regards,
Vladimir.

01.11.2012 23:30, S. Koukoulas (lists) пишет:

nice one!
I did something similar by saving Greek fields in a new table (in
Libreoffice Calc) and then used a common field to join them back to the
attribute table. This can also be used to change from other greek
encodings to utf-8 (through Libreoffice Calc) - a workaround until the
problem is fixed...
sotiris



On 03/23/2012 04:34 PM, Koos Hagg wrote:

Hi everyone,

Trying the value 'utf-8' (no quotes) in a .cpg file did not work for
me (caps or not)

But i did find that i could get around the problem for now by opening
my shapefile's .dbf with Libreoffice Calc, (which opens it fine) and
saving the dbf (save as, same name, overwrite).

So at least that's a simple way to fix that for the time being.

Koos


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Re: [Qgis-user] GDAL utf-8 workaround

[Andre Joost]

Am 02.11.12 12:37, schrieb S. Koukoulas (lists):



As an example  try dowloading the SHP file from
http://geodata.gov.gr/geodata/index.php?option=com_sobi2&sobi2Task=sobi2Details&catid=16&sobi2Id=21&Itemid=
and see whether you can read the greek names (nomoi_okhe.shp)


OK, tried it, and got it working, with qgis master.

In Settings -> Options -> General, there is a checkbox
[] Ignore shapefile encoding

With this option shapefile encoding is done the same way as in Qgis 
1.7.4, that is leaving it to qgis and not gdal.


So you have to stick to the old version, use master or wait until Qgis 
2.0, when this option will be available in a stable version.


Greetings,
André Joost

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Re: [Qgis-user] GDAL utf-8 workaround

[Andre Joost]

Am 02.11.12 13:19, schrieb S. Koukoulas (lists):

many thanks for trying André, I remember that in the past this wasn't
an issue. Anyway,  changing version in the lab in the middle of a
semester is not an option for me. It is good to know where the
problem lies and I guess  we can work with the workarounds for the
time being.


Once converted to utf-8 in qgis master, the shapefile is also readable 
in Qgis 1.8.0.


HTH,
André Joost

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Re: [Qgis-user] Is there smth wrong with OSGEO4W installer?

[Andre Joost]

Am 06.11.2012 01:09, schrieb Bernd Vogelgesang:



"release early, release often" ... who said this ? but maybe do not
release too early and too often.


"Never change a running system" would fit better here.

For that reason, I still use Qgis 1.8 standalone on C:\Programs (x86) 
for daily work, and still have 1.7.4 ready in parallel. The Osgeo4w with 
gdal 1.9.2 and Qgis master I only have for testing purposes.





i have no idea about this hole osgeo4w-ecosystem and who puts what and
when into it and its inner logic, so i don't know who to blame.

Just wanna say: please have mercy with poor innocent ignorant users
trying to work with this software ...



Thats the difference between stable and nightly builds.

Greetings,
André Joost

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Re: [Qgis-user] Osm import & multipolygons

[Andre Joost]

Am 06.11.12 09:58, schrieb Cascafico Giovanni:

Hi all.

Multypolygon is a relation that keeps together outer and inner poly in
order to get the correct rendering in OpenStreetMap online maps.
When inporting in Qgis it seems this information is lost. Is there a
workaround?


Filling the data in a postgis database with osm2pgsql is the safest way.

Besides, multipolygon relation is not only outer and inner, but also 
outer built up of several ways, or relations built of relations of ways. 
There are many cases how polygons have to be built up from osm data, 
vene closed ways with or without "area=yes". Osm2pgsql has incorporated 
those cases, I'm not sure about that in Qgis OSM plugin.


Greetings,
André Joost


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Re: [Qgis-user] Is there smth wrong with OSGEO4W installer?

[Andre Joost]

Am 06.11.12 12:25, schrieb Bernd Vogelgesang:



I think it would be counter productive to open a bug on each problem
users encounter.


To me its a good idea. Yesterday I found a bug in gdal libkml driver on 
Osgeo4W, opened a ticket, got it confirmed, and today there is a fixed 
version available ;-)




It was beyond my imagination that i would be the first one to have this
problem, cause i thought that every day someone is doing a fresh install
on some computer and then should realize that something is wrong.


Unless that someone uses mrsid or ecw, he would not get errors. And I 
assume these formats are not too much used.




Anyway, seems i have to adopt my update-strategy somehow, but i really
thought that the dev-branch was the testing arena ...


For qgis, yes. But gdal seems to have only one branch for all. gdal-dev 
is 1.8apre. Not sure why they do it that way...


Greetings,
André Joost


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Re: [Qgis-user] QGIS Attribute Table Not Displaying Data

[Andre Joost]

Am 06.11.2012 17:49, schrieb Lee Hachadoorian:

Attribute tables in my install of QGIS (1.8 on Linux Mint 13) are
suddenly no longer displaying data. This was a recent install on a new
computer, and since installing a couple of weeks ago, I have been able
to add data and view attribute tables as expected. One minute I could
see the attribute table, the next minute I couldn't. I don't know if
this is related, but this happened immediately after I set the
configuration option to "Open attribute table in a dock window (QGIS
restart required)".



Further down the same panel, I have a dropdownbox "Behaviour of 
Attribute table" (or whatever it is in your language).


After switching to "Show All Objects", I see them in the table.

HTH,
André Joost


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Re: [Qgis-user] QGIS Attribute Table Not Displaying Data

[Andre Joost]

Am 06.11.2012 19:36, schrieb Lee Hachadoorian:



I confirm that the configuration folder does not exist. The
configuration folder gets recreated at first launch of QGIS. I look at
the Options, and Attribute table behavior is still set to "Show
selected features".



Maybe it is (nowadays) the default value for a clean install.
To be honest, I always had this behaviour and thought it is 
intentionally, until I found the dropdownbox today.


Greetings,
André Joost

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Re: [Qgis-user] Python error enabling sextante plugin

[Andre Joost]

Am 08.11.12 09:11, schrieb Andrea Peri:

Hi,
I'm not sure this is the right ML for this, but I dont know other site
where report this.
.
I will have the sextant installed but disabled.
Now I go to enable it, and see this python error:

from Italian language it is say-ing:
Impossible to load the sextant plugin due to a error in classFactory
method()


Confirmed here with new master.
And downgrading sextante plugin to 1.0.7 fails also.

HTH,
André Joost



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Re: [Qgis-user] Python error enabling sextante plugin

[Andre Joost]

Am 08.11.2012 09:42, schrieb Andre Joost:

Am 08.11.12 09:11, schrieb Andrea Peri:

Hi,
I'm not sure this is the right ML for this, but I dont know other site
where report this.
.
I will have the sextant installed but disabled.
Now I go to enable it, and see this python error:

from Italian language it is say-ing:
Impossible to load the sextant plugin due to a error in classFactory
method()


Confirmed here with new master.


Just looked a bit closer at my error message, and it ends with:
"ImportError: No module named psycopg2"

Maybe only related to the OSGeo4W package.

Greetings,
André Joost


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Re: [Qgis-user] Python error enabling sextante plugin

[Andre Joost]

Am 09.11.12 08:27, schrieb Andrea Peri:



today I had tried to updat the osgeo4w installation of qgs-dev.

After this. The python error is still here.

SO I try to remove the sextante plugin. The plugin install will do me only
the downgrade option. The installer say me that I have the 1.0.8 and the
downgrade will bring me to the 1.0.7 version.
I give a yes to downgrading.

But with my big surprise it say me that is not possible to install
because is missing a dependencies.



I ran into the same problems. But after restarting Qgis worked, and had 
Sextante Menu entries. I think 1.0.7 is the last non-core-plugin 
version, which installes to \.qgis\python plugins.


If you don't need the broken core sextante, you can delete the folder from
C:\OSGeo4W\apps\qgis-dev\python\plugins. Or wait till next week ;-)

HTH,
André Joost

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Re: [Qgis-user] Python error enabling sextante plugin

[Andre Joost]

Am 09.11.12 10:18, schrieb Matteo Ghetta:

Hi guys,
i have almost the same problem with sextante and python (qgis 1.9 on
ubuntu).
I started qgis as usually and qgis gave me the python error above
described.
So I tried to uninstall sextante, re-install it, and move directories (from
/usr/share/qgis/python/plugins and from /.qgis) and replace them.
What now happens is that, running qgis I have this error:


SEXTANTE

The Plugin Installer has detected an obsolete plugin which masks a newer
version shipped with this QGIS version. This is likely due to files
associated with a previous installation of QGIS. Please use the Plugin
Installer to remove that older plugin in order to unmask the newer version
shipped with this copy of QGIS.


Sextante and qgis work without problems, but I don't understand I I should
do something to solve this little problem.



Same here. You now have both versions (core and external plugin). I 
guess you have re-installed 1.07, not 1.08.


Removing the plugin from core leaves you with the working 1.0.7 in .qgis 
and no annoying message at start.
The other way won't work: Removing the external plugin gives you the 
error message reported before.


Off course, removing both you have peace, but no Sextante ;-)

I don't know about the ubuntu file structure. Maybe you have another 
copy of Sextante somewhere else.


HTH,
André Joost

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Re: [Qgis-user] Python error enabling sextante plugin

[Andre Joost]

Am 09.11.12 10:49, schrieb Matteo Ghetta:

I don't want peace, I want sextante!! :-)
Anyway, I tried to move the plugin from the core
(/usr/share/qgis/python/plugins), but running qgis it appears the python
error again.


That was obviously the wrong version (the one that actually is working). 
There must be another sextante folder with the broken version.


Greetings,
André Joost

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Re: [Qgis-user] Problem to create gdalindex - other projection-system

[Andre Joost]

Hi Jan,

Am 12.11.2012 16:04, schrieb Jan Tappenbeck:

hi !

i had to create a image-cataog by using the gdalindex-command

after using the command i get following message:

Warning : /BP_030.TIF is not using the same projection system as
other files in the tileindex. This may cause problems when using it in
MapServer for example.




 here are the image informations 

* BP_030.TIF*

Driver: GTiff/GeoTIFF
Files: /BP_030.TIF
/BP_030.TFw
Size is 2645, 3326
Coordinate System is `'


This is breaking. You have to set a Coordinate system for the tif. 
Should be the same as the others. In Qgis, 
Ratser->Projektionen->Projektion zuweisen will do.




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Re: [Qgis-user] QGIS doesn't start anymore: undefined symbol: pj_ctx_alloc

[Andre Joost]

Am 15.11.12 08:35, schrieb Luís de Sousa:

Dear all,

QGis stopped running in my Ubuntu 12.04 64 bits. Launching it from dash
nothing happens, no splash screen, no window, no error messages. Launching
it from the command line I get this:

$ qgis
/usr/bin/qgis.bin: symbol lookup error: /usr/lib/libgdal.so.1: undefined
symbol: pj_ctx_alloc

What is it? Again issues with GDAL? Please help, this is really critical to
me.


What Qgis version were you running? And does gdalinfo still run?

Greetings,
André Joost


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Re: [Qgis-user] QGIS doesn't start anymore: undefined symbol: pj_ctx_alloc

[Andre Joost]

Am 15.11.12 09:27, schrieb Luís de Sousa:

Hi André,

I was running QGis 1.8, exactly which release I can't say anymore (it
doesn't run).

But I am still getting the same error when I run qgis. Apart from that,
uDig, Mapserv and PyWPS are also not running at this stage. Whatever
happened to python-gdal it totally messed up my system.

I have downgraded python-gdal from 1.9.3 to 1.7.3 as explained in this old
thread:



I'm afraid I can't help you very much, but Gdal running with Qgis 1.8 is 
Version 1.9.1. Might be that 1.7.3 ist too old for current Qgis.


HTH,
André Joost


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Re: [Qgis-user] Problem merging rasters

[Andre Joost]

Hi,
confirmed here, and opened a ticket for it:
http://trac.osgeo.org/gdal/ticket/4895

Seems it does not affect all Gdal tools.

Greetings,
André Joost

Am 15.11.12 10:48, schrieb Andy Harfoot:

If you compare the path to the images shown in the properties and in the error
reports from GDAL, you can see that the accented letter á in the folder name is
missing from the latter - this suggests to me that GDAL is having a problem
accessing folders with that character - try renaming the folder and running the
command again.

Andy

Gerardo Jimenez wrote:

 Hi

 I am trying to merge two raster dems. The project, the layers are all on the
 same crs (EPSG 4326) This is what I have:

 ERROR 4: `C:/Anita_Tepoztln/Rasters/e142.tif' does not exist in the file 
system,
 and is not recognised as a supported dataset name.

 ERROR 4: `C:/Anita_Tepoztln/Rasters/e145.tif' does not exist in the file 
system,
 and is not recognised as a supported dataset name.

 Traceback (most recent call last):

 File "C:\PROGRA~2\Quantum GIS Lisboa\bin\gdal_merge.py", line 509, in
 sys.exit(main())
 File "C:\PROGRA~2\Quantum GIS Lisboa\bin\gdal_merge.py", line 392, in main
 ulx = file_infos[0].ulx
 IndexError: list index out of range

 I am able to load both raster and check their propertieies, for instance

 Driver: GTiff/GeoTIFF Files: C:\Anita_Tepoztlán\Rasters\e145.tif
 C:\Anita_Tepoztlán\Rasters\e145.tif.aux.xml Size is 7200, 3600 Coordinate
 System is: GEOGCS["WGS 84", DATUM["WGS_1984", SPHEROID["WGS
 84",6378137,298.257223563, AUTHORITY["EPSG","7030"]],
 AUTHORITY["EPSG","6326"]], PRIMEM["Greenwich",0],
 UNIT["degree",0.0174532925199433], AUTHORITY["EPSG","4326"]]

 I do not know waht is wrong, any ideas are welcome

 I am using Lisboa standallone installer in win 7 64 16gb of RAM


 Gerardo Jiménez Delgado
 Instituto de Investigaciones Antropológicas
 Universidad Nacional Autónoma de México
 Ciudad Universitaria s/n
 Coyoacan 04510 Mexico City
 Mexico 56 22 95 16
 


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--
Andy Harfoot

GeoData Institute
University of Southampton
Southampton
SO17 1BJ

Tel:  +44 (0)23 8059 2719
Fax:  +44 (0)23 8059 2849

www.geodata.soton.ac.uk




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Re: [Qgis-user] Set relative path [QGIS 1.8.0 on Win XP]

[Andre Joost]

Am 15.11.2012 16:27, schrieb Raffaella Sanna:

Hi! I have some problem working with relative path.

My QGIS project is stored with a path like this:
E:/GIS_folder/Qgis.qgs, and all GIS data are in
E:/GIS_folder/DATA_folder, so project and data are stored in the same
folder. I saved this project with relative path, from 'project
properties' ->  'save relative path', but when I copy all the folder
"GIS_folder" on another pc (on C: disk) and I open the project, all
shapefiles are still linked to my pc (E:, not C:).


Rather strange. It should be exactly opposite. Are these projects 
created with an older Qgis version? If I remember correctly, absolute 
paths were default until Qgis 1.7.3.


What happens if you change the properties entry to "absolute"?
You can look into the project file with a text editor and look for 
 tags.


greetings,
André Joost


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Re: [Qgis-user] Changes in table attribute causes "Invalid Field Index" error when trying to save

[Andre Joost]

Am 20.11.12 11:47, schrieb Alexandre Neto:

Can anyone confirm me this error?



Confirmed with current master.

HTH,
André Joost


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Re: [Qgis-user] crash qgis opening project

[Andre Joost]

Am 23.11.12 11:25, schrieb Matteo Ghetta:

Hi everybody,
I have 2 problems with qgis running in ubuntu 12.04:
- first, starting qgis on one desktop it start on another desktop. But that
is not a big problem
- second, opening an existing project qgis crashes saying:
access: File o directory non esistente
Errore di segmentazione (core dump creato)

I worked just yesterday night and it works.



You can open the .qgs project file with a text editor and look for the 
files to be opened in  tags. Some data is only stored in 
temporary files, for example if you use eviz plugin to connect to 
Microsoft Access databases.


HTH,
André Joost

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Re: [Qgis-user] How to use Win32 nightly build?

[Andre Joost]

Am 26.11.2012 21:51, schrieb Goyo:


Download the installer and install the released version[1], then run
the installer again to install qgis-dev[2].



Using "advanced installation", View:full you can install the qgis-dev 
Version along with all dependencies in one step.


HTH,
Andre Joost


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Re: [Qgis-user] No qgis-dev via OSGeo4W today

[Andre Joost]

Am 03.12.2012 15:08, schrieb Anita Graser:

Hi,

Just tried to install both qgis and qgis-dev on a new machine using
OSGeo4W. qgis installed fine but qgis-dev didn't ... there is no
shortcut on desktop an no qgis.exe in the bin folder.

Can anyone confirm?



I dont't want to spoil my running version ;-)

Have you got a setup.log or setup.log.full in C:\OSGEO4W\var\log?

It might tell you where the installer breaks.

HTH
André Joost

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Re: [Qgis-user] No qgis-dev via OSGeo4W today

[Andre Joost]

Am 03.12.2012 18:36, schrieb Anita Graser:



C:\OSGeo4W>textreplace -std -t bin\qgis-dev-browser.bat

"mkdir" kann syntaktisch an dieser Stelle nicht verarbeitet werden.



I had the same problem:


simple solution: Download again the osgeo4w setup.exe!
Its an installer issue, not a package problem.

HTH
André Joost

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Re: [Qgis-user] Defining the SEXTANTE roadmap

[Andre Joost]

Am 04.12.12 22:56, schrieb Victor Olaya:

Many people mention documentation. As I said, we are interested in
documenting how to develop with SEXTANTE, which is a great priority in
order to keep the project alive.

However, I guess most people are talking about user documentation. Do
you mean algorithm documentation? Documentation about the SEXTANTE
framework itself?

GRASS algorithms are all fully documented, since we use the original
GRASS docs. SAGA ones are not... That is clearly a huge amount of
work, probably beyond what can be achieved in the short- or mid-term,
but suggestions about this topic are welcome.


From the user side, a sophisticated algorithm is useless if he does not 
know what effect the parameters have. And if the user does not find any 
documentation or tutorial, he will not use it.


And native language documentations are most wellcomed.

Greetings,
André Joost

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Re: [Qgis-user] Cannot add sqlite/spatialite layers to qgis (they come in as tables)

[Andre Joost]

Am 09.12.2012 20:16, schrieb Alex Mandel:

The plugin requires pyspatialite but QGIS itself has the provider built in.

"SpatiaLite version ..: 4.0.0"

Grab an older version of the Spatialite GUI (1.4 or 1.5) or figure out
how to convert your db to the 3.x variant (I believe the release notes
mention this is possible).


There is a spatialite_convert tool that converts 3.x databases to 4.x 
and back. See

https://www.gaia-gis.it/fossil/libspatialite/wiki?name=switching-to-4.0

I usually create sqlite databases with Layer->Create new spatialite 
layer, and entering a new filename. The gui can read 3.x and 4.x 
databases wkithout problem.


HTH,
André Joost

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Re: [Qgis-user] How to use GDAL trunk 1.10dev with Qgis 1.8 ?

[Andre Joost]

Am 11.12.12 08:16, schrieb Alexander Bruy:


AFAIK, there is no gdal svn package in OSGeo4W. So you should build
GDAL by yourself and then build QGIS against your new GDAL.



Osgeo4w has a "gdal-dev" package, version 1.8pre-6. Is there any reason 
why this is not updated to the current version 1.10.0?

I guess it should be removed, since regular gdal is already 1.9.2

Greetings,
André Joost


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Re: [Qgis-user] How to use GDAL trunk 1.10dev with Qgis 1.8 ?

[Andre Joost]

Am 11.12.12 09:48, schrieb Alexander Bruy:

OSGeo4W bugtracker here
http://trac.osgeo.org/osgeo4w/




It's already reported:
http://trac.osgeo.org/osgeo4w/ticket/244
But noone has asked for a updated package recently.

Greetings,
André Joost


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Re: [Qgis-user] how to upload point, line, polygon (shapefiles) to OSM

[Andre Joost]

Am 15.12.2012 07:15, schrieb AJAY KUMAR MULAKALA:

Dear All,

May I know the possibilities about How to upload all the three (point, line, 
polygon) shapefiles in OSM.

Present I am using Q-GIS., and I tried with OSM but I can't..!

I hope this could be solved.



Best solution is not to do that. If you upload a road shapefile to OSM, 
it will have no connection to existing roads in the OSM database, which 
spoils routing. Same applies to rivers and coastlines.


There is a tool called shp2osm, which transforms shapefiles to OSM data.
Another possibility is to save the layer as GPX. You have to transform 
polygons to lines before, because GPX does not know polygons (and OSM 
also does not).


You can load that into the josm editor, and download the current data of 
the same view in a seperate layer. Then you have to check your data with 
the existing, add tags as necessary, deleting duplicates, and take 
special care for polygons. In OSM, they are closed ways, or relations of 
type "multipolygon".


Finally upload the changes.

Greetings,
André Joost


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Re: [Qgis-user] CadTools documentation

[Andre Joost]

Am 18.12.2012 10:49, schrieb Jakob Lanstorp:

Are there any QGIS CadTools documentation available besides the small HTML
file coming with the CadTools plugin. The site
http://www.catais.org/qgis/cadtools/ has been dead awhile. Does anyone have
a digital copy of what was available on http://www.catais.org/qgis/cadtools/
?


I visited (and saved) the site in November, and it contained the same as 
the help file you already know, and a few screencasts, which I did not 
save to my local disk (or they were not available).


You might search for the Author, Stefan Ziegler.

http://code.google.com/p/cataisrepository/ offers only the source code, 
but no additional help.


Greetings,
André Joost


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Re: [Qgis-user] How to fix a CRS definition?

[Andre Joost]

Am 23.12.2012 12:32, schrieb Anita Graser:

Hi,

In my QGIS 1.8 install on Ubuntu EPSG:31287 is defined as

+proj=lcc +lat_1=49 +lat_2=46 +lat_0=47.5 +lon_0=13.33
+x_0=40 +y_0=40 +ellps=bessel +datum=hermannskogel +units=m
+no_defs

while according to http://spatialreference.org/ref/epsg/31287/proj4/
(and the definition used in PostGIS) it should be

+proj=lcc +lat_1=49 +lat_2=46 +lat_0=47.5 +lon_0=13.33
+x_0=40 +y_0=40 +ellps=bessel
+towgs84=577.326,90.129,463.919,5.137,1.474,5.297,2.4232 +units=m
+no_defs

Has this been fixed in Master? Is it possible to change this for 1.8
on my machine? It seems to cause an east-west offset.


The '+datum=hermannskogel' is hardcoded in proj:

with a three-parameter transformation:
"hermannskogel", "towgs84=653.0,-212.0,449.0"

Seven-parameter transformations are more precise, the official 
parameters can be found here:



The latest build of gdal uses the 7 parameters you listed above.

If you want to change the values, look for srs.db. You can edit it with 
spatialite, or just copy it from the windows installations.


Greetings
André Joost





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Re: [Qgis-user] Announce QTiles plugin

[Andre Joost]

Am 27.12.12 10:57, schrieb Alexander Bruy:

Ensure that you have QGIS official repo [0] connected and experimental
plugins enabled



you missed the essential part:
according to


[0] http://plugins.qgis.org/plugins/plugins.xml


it is not available for:


Qgis 1.8.0 Stand alone installer in Win7 64 bit




HTH,
André Joost

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Re: [Qgis-user] Announce QTiles plugin

[Andre Joost]

Am 27.12.12 11:56, schrieb Nathan Woodrow:

If you don't have the official plugin repo in the plugin installer.  You
just need to copy the link to the xml file and add it manually.



Thats not the problem: You need Qgis master (1.9.0) to run the plugin.
Lisboa does not like it :-(

Greetings,
André Joost

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Re: [Qgis-user] Announce QTiles plugin

[Andre Joost]

Am 27.12.12 12:14, schrieb Alexander Bruy:

I didn't miss anything. Please read question carefully. Even QGIS
1.6.0 show this plugin in installer and allow to download it.

QGIS minimum version is another thing and not related to Plugin installer.



I'm not sure about 1.6.0, but Lisboa does not show the plugins in the 
list that require 1.9.0 (which makes sense). If I install it with master 
on the same machine, it is marked as "invalid" when starting Lisboa again.


Greetings,
André Joost


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Re: [Qgis-user] South Africa/Lesotho Projections in QGIS

[Andre Joost]

Am 03.01.2013 21:45, schrieb Claire McIntyre:


Hello, I am creating data for Lesotho for a volunteer project. I am
currently using OSM as a basemap which has a EPSG of 3857. I am
creating new features stored in shapefile.I want to calculate area of
polygons using the field calculator. When I use this projection&
calculate area it is incorrect. I presume it is in decimal degrees.



Yes, field calculator does not look at the project CRS (as the 
measurement tools do), but the CRS of the shapefile. Most probably 
EPSG:4326.



Is there a way to calculate metres/kilometres squared. I presume I
need to change from a geographic coordinate system to a projected
coordinate system.Ideally this would be Hartebeesthoek94/L027, but i
cannot see any of the South African LO systems available to me. Any
help would be very much appreciated.


Qgis Master (1.9.0) has all Hartebeesthoek94 CRS available. For LO27, it 
is EPSG:2052. For older QGIS versions, you can create a custom CRS with 
the following proj string:


+proj=tmerc +lat_0=0 +lon_0=27 +k=1 +x_0=0 +y_0=0 +axis=wsu +ellps=WGS84 
+towgs84=0,0,0,0,0,0,0 +units=m +no_defs


Or use the UTM projection for your part of the world.

You have to export your shapefile, and choose the custom CRS as target 
CRS to get the field calculator work right. On-the-fly-projection is not 
enough.


HTH,
André Joost



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Re: [Qgis-user] Could not find exercise data

[Andre Joost]

Am 04.01.2013 15:09, schrieb Oluwole Morenikeji:

I installed
Qgis 1.8 and its latest training manual release. I also downloaded qgis sample
data but following the training manual the data used for the training is not
found in the sample data folder e.g.  I was frustrated following this
instruction
Click on the Browse button and navigate to the file
exercise_data/streets.shp
(in your course directory). What I found in the directory is Alaska folder.
What do I do please.


I guess you are looking for this data:

https://github.com/qgis/QGIS-Training-Manual/tree/master/exercise_data

I wish someone could put a link on the page where the training manual is...

HTH,
André Joost


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Re: [Qgis-user] Problem downloading exercise data

[Andre Joost]

Am 05.01.13 10:54, schrieb Oluwole Morenikeji:

What I found at the referenced data site could not be downloaded to work with 
in the training manual

https://github.com/qgis/QGIS-Training-Manual/tree/master/exercise_data



You are right, right-click and "Save As" does not work here.
But if you follow the links there, you get a button marked "Raw". 
Clicking on that, you can download the data.


HTH,
André Joost

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Re: [Qgis-user] Modify Shp File

[Andre Joost]

Am 07.01.13 19:50, schrieb Rick Fielden:

Being a raw 'newbie', how can I modify an existing shp file?  I have
a 50 state county file and want to include only select states. Any
assistance would be appreciated as none of my attempts have been
successful.




If have you loaded the Shapefile into QGIS:

Select the states you want with holding ctrl pressed,

Right-click on the layer -> Save Selection as...

And give the new Shapefile a different name.
You can add it to the project in the same step.

HTH,
André Joost

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Re: [Qgis-user] project makes qgis crash upon startup

[Andre Joost]

Am 08.01.13 07:50, schrieb Agustin Lobo:

Hi!

A project that used to work fine few days ago cannot be opened
any more with qgis 1.8: the program crashes before even starting to
write the TOC . I've tried with qgis --noplugin and get the same problem,
so this is not an issue of plugin conflicts. The problem occurs
on linux and mac.
Is there any way I can debug the project file? Perhaps an xml editor
for project files would let me select parts of the file more easily than just
a text editor?



The .qgis file is a simple xml text file, which you can edit with everey 
text editor. I use notepad++ on Windows for such things.


If you use relative paths, make sure not to move your datasources or 
qgis files within the file system. Interchanging between Linux and Mac 
may most probably not work though.


HTH,
André Joost


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Re: [Qgis-user] Could not find exercise data

[Andre Joost]

Am 09.01.2013 21:45, schrieb Goyo:

2013/1/4 Andre Joost:

Am 04.01.2013 15:09, schrieb Oluwole Morenikeji:




I wish someone could put a link on the page where the training manual is...


http://manual.linfiniti.com/


You misunderstood me: I would like to have a link to the exercice data 
on the page where the manual can be found.


I only found this:
<http://manual.linfiniti.com/en/foreword/foreword.html#data>

which is not really helpful.

Greetings,
André Joost

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Re: [Qgis-user] Help on using Transformation Tools plugin

[Andre Joost]

Am 21.01.2013 10:28, schrieb Pietro Rossin:


Hi
I need some help on using this plugin because It hasn't any howto on its
usage, or may be I didn't find it.
I want to use a NTv2 grid for the reprojection between  Monte Mario / Italy
zone 2 (3004) and Wgs84 (4326).
My ntv2 is made by two files .asc and .gsb. The .asc is an ascii file and
inside it I can see

SYSTEM_FROME40 - I think this is the From crs
SYSTEM_TWGS84  - I think this is the To crs


Well, thats actually not used. The plugin works with the binary version.



So it's intended to reproject from Rome 40 to WGS84, ok.

When I want to setup a new transformation the plugin asks for a
Transformation name, that is my preferred name, ok.
System_from should be SYSTEM_FROME40, right?
What should I use Monte Mario (Rome) 4806 or Monte Mario / Italy zone 2
(3004)?


If your data is projected (that is in meters), use 3004. 4806 is in degrees.



System_To will be WGS84 (4326).

Then,
what does it mean with Custom CRSs (CRS A and B name)? Are these only custom
names used to describe Rome40 and WGS84 in my case?


You don't have to enter anything, the plugin creates a new CRS for you.


They appear under custom
Coordinate systems, can I use whatever name I prefer? Then 10 and 11
are custom EPSG automatically generated by TT plugin?
Then there are two keys on the bottom left part of the plugin window that
are Apply CRS A ->  B (direct) and Apply CRS A<- B (inverse), the first is
to reproject from Rome40 to wgs84 an the second the opposite?



I have not found any sense in those buttons yet. A bit of documentation 
good be good ;-)


Greetings,
André Joost


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Re: [Qgis-user] Use excel spreadsheets for join to vector data

[Andre Joost]

Am 21.01.2013 09:19, schrieb Pietro Rossin:

Alister Hood wrote

I think the solution is already coming: with GDAL 1.10 there should be
support for .ods...


Super!
I hope that Gdal 1.10 will be soon integrated into osgeo4w..


It would be a good idea to update the gdal-dev package in Osgeo4w.

In the meanwhile, you can try the gisinternals nightly buils for Windows.

HTH,
André Joost



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Re: [Qgis-user] Layer encoding

[Andre Joost]

Hi,

do you work with QGIS 1.8.0 Lisboa?
There was a bug in shapefile encoding, which is fixed in current master.

You might try that, or wait for QGIS 2.0.

Greetings,
André Joost

Am 29.01.2013 20:28, schrieb Matej Mailing:

Hi,

When changing setting Encoding at layer properties / General tab from UTF-8
to any other, for example System, it seems that even after clicking OK
encoding setting doesn't seem to save - when I check this value again, it
is still UTF-8.

What am I doing wrong? The data in the table is not in the UTF-8 and I want
to change this value.

Thanks,
Matej




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Re: [Qgis-user] Fwd: Layer encoding

[Andre Joost]

Am 30.01.2013 08:45, schrieb Matej Mailing:



thanks for answering. Just a question: does the master exist for windows
platform (already compiled)?



Yes, part of the OSGEO4W setup. It can be installed in parallel to the 
stable version.


You can find a lot of workarounds here:


It's also kind of operating-system-specific.

Greetings,
André Joost


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Re: [Qgis-user] QGIS and Python Errors

[Andre Joost]

Hello,
I have installed Python 27 and Mapnik completely separate from the 
OSGeo4w path, to avoid any interference. PATH and PYTHONPATH both point 
to the standalone versions, while Qgis and Osgeo4w set their own path 
with qgis.bat and osgeo4w.bat until the end of the session.


Greetings,
André Joost

Am 31.01.2013 15:26, schrieb Stephane Goldstein:

Hello.

  I'm running QGIS 1.8 and 1.9 on Windows 7 x64. I installed them using the 
OSGeo4W installer.

  Everything was going fine untill I installed Python 2.7 to start learning 
Mapnik.
  I instaled Python x64, then realised it has to be x86 to run with Mapnik.
  I uninstaled the Python x64 and installed x86, and start going with Mapnik.

  Since then my QGIS started giving me a lot of errors. Sextante wouldn´t load, 
giving error message on start-up.
  I was able to fix this by removing the paths to Python and Mapnik I have 
added on the System Variables.

  But now I'm still having other problems, the main one for me right now beeing 
QSpatialite.

  I can run queries, but if I ask the output to be displayed in a QGIS layer I 
got the error pasted below.

  Is there something I can do to make things run smoothly again ? I already 
reinstalled all OSGeo4W packages, but no sucess.
  I see that OSGEO has it's own python, is this creating some kind of conflict ?

  Thank you

An error has occured while executing Python code:

  Traceback (most recent call last):
  File "C:/Users/winste/.qgis//python/plugins\QspatiaLite\QspatiaLiteApp.py", 
line 195, in runQuery
  loadInQGIS_spatial(self,self.db,query,geomfield,tablename)
  File 
"C:/Users/winste/.qgis//python/plugins\QspatiaLite\Utility_functions.py", line 
173, in loadInQGIS_spatial
  QgsMapLayerRegistry.instance().addMapLayer(layer)
  AttributeError: 'QgsMapLayerRegistry' object has no attribute 'addMapLayer'

  Python version:
  2.7.2 (default, Jun 12 2011, 15:08:59) [MSC v.1500 32 bit (Intel)]


  QGIS version:
  1.9.0-Master Master, 2a4d79d

  Python path: ['C:/Users/winste/.qgis//python/plugins\\sextante', 
'C:/OSGeo4W/apps/qgis-dev/./python', 'C:/Users/winste/.qgis//python', 
'C:/Users/winste/.qgis//python/plugins', 
'C:/OSGeo4W/apps/qgis-dev/./python/plugins', 'C:\\OSGeo4W\\bin\\python27.zip', 
'C:\\OSGeo4W\\apps\\Python27\\DLLs', 'C:\\OSGeo4W\\apps\\Python27\\lib', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\plat-win', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\lib-tk', 'C:\\OSGeo4W\\bin', 
'C:\\OSGeo4W\\apps\\Python27', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\site-packages', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\site-packages\\PIL', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\site-packages\\win32', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\site-packages\\win32\\lib', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\site-packages\\Pythonwin', 
'C:\\OSGeo4W\\apps\\Python27\\lib\\site-packages\\wx-2.8-msw-unicode', 
'C:\\OSGeo4W\\apps\\qgis-dev\\python\\plugins\\fTools\\tools']




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Re: [Qgis-user] Adding CRS option

[Andre Joost]

Am 31.01.2013 17:05, schrieb Karim Mata:

Hello,

I would like to know how I can add a CRS to Qgis.
I would like to use 'Amersfoort/RD New' but this it currently not in my lists 
op CRS options.
How can this be added?



It should be incorporated with EPSG:28992. If not, you must have a very 
old version of Qgis, or a broken installation. On Windows, try the 
OSGeo4w setup, in parallel or on another computer. If the installation 
is successful, you can copy the srs.db to your working copy of Qgis. It 
should be in the /apps/qgis/resources folder.


HTH,
André Joost


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Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

[Andre Joost]

As long as *all* your project and data is in EPSG:27700, you will not 
see any difference. But as soon as you add Google or openstreetmap tiles 
with openlayersplugin, or data from other sources in other CRS, the 
+towgs84 datum shift parameters comes into effect. The values used up to 
QGIS 1.7.4 were quiet good, QGIS 1.8.0 sadly returned to some 
low-accuracy parameters. For best accuracy, OS has issued a ntv2 grid file.


The .prj file by ESRI does not have any information on datum shift 
values incorporated. Mainly because there are several choices to do the 
transformation with different accuracy and complexity, as stated above.


HTH,
André Joost


Am 31.01.2013 14:25, schrieb Andrew Chapman:

Pardon my ignorance here - I'm not (nor do I wish to become) a GIS expert
with detailed knowledge of all the ins and outs of CRSs. While I can
understand that to some users it could be critical to know with ultimate
accuracy the location of any specified point as a world coordinate, what
ultimately matters to me is to be able to agree with other users that we
consistently interpret our mapping data in the same way - point A is always
in the same place on each of our systems, subject obviously to specifying
the CRS.

Using shapefiles, as I understand it, the .prj file specifies how everything
should line up. For OSGB 1936 this has historically been

PROJCS["OSGB_1936_British_National_Grid",GEOGCS["GCS_OSGB
1936",DATUM["D_OSGB_1936",SPHEROID["Airy_1830",6377563.396,299.3249646]],PRI
MEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],PROJECTION["Transver
se_Mercator"],PARAMETER["latitude_of_origin",49],PARAMETER["central_meridian
",-2],PARAMETER["scale_factor",0.9996012717],PARAMETER["false_easting",4
0],PARAMETER["false_northing",-10],UNIT["Meter",1]]

If I get layers from Ordnance Survey, my county council GIS department or
other town and parish councils, I would expect my example point A to stay in
the same place whatever GIS software I use.

I'm not sure what is being suggested here as a fix. Is it going back to the
pre 1.8.0 solution or providing an alternative CRS that the user will need
to select for all affected layers in every project? If the latter it will
potentially cause problems for those of us sharing projects between machines
using different version of QGIS.

Sorry - I'm just having trouble getting my head around this!

Andrew Chapman

-Original Message-
From: Even Rouault [mailto:even.roua...@mines-paris.org]
Sent: 31 January 2013 12:24
To: Andrew Chapman
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid
shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

Selon Andrew Chapman:


There's a GDAL ticket about that : http://trac.osgeo.org/gdal/ticket/4597

Frank, I've attached in it a libgeotiff patch that should solve this by
defining an override.



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Re: [Qgis-user] EPSG:27700 - OSGB 1936 / British National Grid shapefiles are incorrectly interpreted by QGIS 1.8.0 and later

[Andre Joost]

Am 31.01.2013 13:23, schrieb Even Rouault:



Has anyone else seen this problem?


There's a GDAL ticket about that : http://trac.osgeo.org/gdal/ticket/4597

Frank, I've attached in it a libgeotiff patch that should solve this by defining
an override.


... and already fixed!

Thanks for pushing the topic. Hopefully next QGIS stable has the fix.

Greetings,
André Joost


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Re: [Qgis-user] gdal clipper

[Andre Joost]

Am 01.02.2013 12:48, schrieb matteo:



please give us more info, "I'm unable to do that" is not enough to
understand what the problem is.

Ciao


You are right, sorry
Well, I choose extraction -> clipper and in input file I put the dem and
in clipping mode -> mask layer -> and I choose the shape (contained into
the dem region).
But the file in output is completely white and if I go to the stile
options trying to change the render options, the values of the dem are
wrong (the min value is 1.79769e+308 and the max 2.22507e-308).


Have DEM file and shapefile the same CRS? On-the-fly-projection does not 
help here, because clipper runs externally.


Greetings,
André Joost

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Re: [Qgis-user] Qgis tif to kmz?

[Andre Joost]

Am 02.02.2013 18:41, schrieb Tyler Mitchell:

I thought KMZ supported an image overlay format.



Yes, Garmin Custom Maps are kmz files. Basically, it should be poosible 
to create such files out of QGIS data. But I have not seen any plugin 
doing that yet.


Greetings,
André Joost

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Re: [Qgis-user] Projection

[Andre Joost]

Am 08.02.2013 07:23, schrieb Leo Kris Palao:

Good Day QGIS Users!

I am working on a GIS project where my area of interest (drainage basin and
river network) cover two UTM Zones. In this case, I cannot use UTM to
compute for area and distance, and to perform other analysis in which
spatial data needs to be projected. What projection can I use? Is Equal
Area Cylindrical NSIDC EASE - Grid Global (EPSG: 3410) okay to use if
working on a very large spatial dataset? Is this widely used by GIS users?


I just made a regular vector grid in this projection, and found that the 
y segments get smaller towards the poles. So it is not suitable for 
distance measurement. I would suppose to create a transveres mercator 
projection around the middle axis (+lon_0) of your area (if there isn't 
any yet).


Greetings,
André Joost

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Re: [Qgis-user] problems with coordenates of shapes

[Andre Joost]

Am 11.02.2013 13:05, schrieb Mauricio Talebi:

Hello People out there! Wish you are all doing great
I am new user on QUANTUM  and also sort of new to gis which I have used to
mainly field research data plotting. Trying to inser several shape files
within for example, Sao Paulo State in Brazil, the points show in four five
places and I have trying to use a standard SRC for all but it not working
things get seveely misplaced. I know this is a basic issue but would
appreciate the support to solve it as it seems basic but after two full
days trying I am about to give up  and any input would be greatly
appreciated. Thank you very much,


In order to help you, we need more information:

- What SRC have you used unsucessfully?
- what is the content of the .prj file (it can be opened with any text 
editor?
- what is the extent of the data (you find that by right-click on the 
layer/Metadata)?

- should the data be in degrees/kilometres/metres/foot?
- is the data publicly available?
ftp://geoftp.ibge.gov.br/mapeamento_sistematico/topograficos
offers a lot of geodata from brazil.


Greetings.
Andre Joost



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Re: [Qgis-user] QGIS cannot read .nc files on my Windows7 64 Bits

[Andre Joost]

Am 13.02.2013 09:54, schrieb Yves Jacolin (Free):

Jurgen,

I read also this french forum (I am one of the administror) and OSGeo4W
project, it seems that OSGeo4W doesn't support win64 (the project page says it
only support win32).



QGIS runs on Windows-7-64bit-machines, but only in 32-bit mode.

Greeetings,
André Joost

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Re: [Qgis-user] Installation file identified as a virus

[Andre Joost]

Am 16.02.2013 02:35, schrieb Gerardo Jimenez:

I was installing Qgis Lisboa standallone in a new machine with avira
free antivirus. Avira notified me that g.echo.exe was identified to
include a trojan TR/Symmi.10226.5. Is this a false positive?




I had the same message recently with OSGEO4W Qgis Master.

In the past, I had several false positives reported by Avira on files 
that were on my computer for years, and never used.


There are some online virus scanners; can someone deliver the file in there?

greetings,
André Joost

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Re: [Qgis-user] QGIS is chosing the wrong projection when opening shapefiles

[Andre Joost]

Am 19.02.2013 13:55, schrieb James Stott:

QGIS is reporting that a layer that I know is in EPSG 25833 (ETRS89 /
UTM zone 33N) is in EPSG 3006 (SWEREF99 TM).


Both have the same proj string, so it should not matter.

If you save the file from within QGIS, it creates a .qpj file where the 
EPSG code is given. Next time it will open correct. Otherwise, 
rightclick -> Set CRS for layer.


ESRI don't give the EPSG code expicitly in the shapefile.

HTH,
André Joost


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Re: [Qgis-user] QGIS is chosing the wrong projection when opening shapefiles

[Andre Joost]

Am 20.02.2013 08:17, schrieb Stott James:
(please answer to the list, so that others can benefit from my/your answer)
> OK thanks for clarifying that.
>
> Is there any way to make QGIS select the correct projection without 
setting it manually?


Supplying a .qpj file is the only "sure" method I know.

Greetings,
André Joost

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[Qgis-user] New icon for GPX Tools wanted

[Andre Joost]

Hi all,

I find it somewhat unlogical that "GPX Tools" and "Add new GPX Layer" 
share the same icon. I would rather support to have "GPX Tools" to have 
a visibly different icon, for example without the green cross that all 
"Add Layer!" icons have.


There is already a feature request for it (without much attention), 
offering a icon with a star instead of the cross:

http://hub.qgis.org/issues/6860

Simply changing the icon could possibly be not enough: I don't want to 
get the "Add GPX layer" to have the new icon as well...


Any suggestions?

Greetings,
André Joost

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Re: [Qgis-user] New icon for GPX Tools wanted

[Andre Joost]

Am 20.02.2013 20:54, schrieb Robert Szczepanek:

Hi Andre,

Sort of this for GPX Tools?
http://trac.osgeo.org/osgeo/changeset/10021



Looks good. Is the original transparent too?

Greetings,
André Joost

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Re: [Qgis-user] QGIS 1.8: How to produce a sheet line system map?

[Andre Joost]

Am 21.02.2013 11:11, schrieb spatialjoe:

Hi all,

I wonder how to (easily) produce an overview map showing the extents of 26
single Maps (in german: Blattschnittübersicht).
Right now I can only think of saving the individual x/y min and x/ymax
coordinates of the map extends shown in the map composer in order to
manually digitize my map "bounding boxes" (portrait/landscape).


If you are talking about topo maps with regular extend in parts of 
lat/lon degrees, you can easily set up a vector raster from Vector -> 
Reserch tools. Otherwise the gdaltindex would be best suited.


HTH,
André Joost

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Re: [Qgis-user] New icon for GPX Tools wanted

[Andre Joost]

Am 21.02.2013 13:16, schrieb Giovanni Manghi:



it would be possible also to fix the icons of the

"merge selected features"

and

"merge attributes of selected features"

tools? now are the same, one beside the other in the same toolbar.


But only for "classic" and "default" theme. "gis" theme already has good 
alternatives, and will be default in QGIS 2.0 I hope.


You can change themes in Settings -> Options -> General tab

Greetings,
André Joost


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Re: [Qgis-user] Open Layer

[Andre Joost]

Am 25.02.2013 23:31, schrieb robert kendrick:

Using Q 1.8.0 for mineral exploration, have been asked to talk about the ease of
Qgis working with Google Earth. I have a GIS app on my phone that allows me to
Cache a region when I am off line (in the field)
Is this possible in Qgis (using open layer) would be a great help, as I have 3
different field computers that I use Qgis, for samples, Drilling, Geology and
more. Having an satellite layer is a big plus.


Yes, it is possible, but it needs to re-write the code a bit.

I have stored local tiles in Googles/Openstreetmap tile format, put up a 
local apache server, and inserted new lines to the plugin directing to 
http://localhost/tiles/...


But keep in mind that Google does not like what you are doing, so keep 
it for personal use.


Greetings,
André Joost


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