Re: [Qgis-user] Export map to graphics program

[Richard Duivenvoorde]

Hi Gerhardus,

(sorry for this late notice)

not all symbologies of new symbology are working. Easiest test is to 
first try one layer at the time, to find out which one is not working.


Maybe it is possible to use a simpler symbology for that layer?

The idea of the simplesvg plugin is to keep groups of objects grouped by 
layer and symbology class, thereby making it easier to do further 
editing in Inkscape (or Illu$trator). (there are actually Inkscape 
specific tags in the svg to give more info in layer manager of Inkscape).


If you find out what exactly was the problem, pls let me know. Maybe I 
can fix it in further releases... (also, please check if you have the 
latest version of the plugin. I added OnTheFly reprojection lately, and 
fixed some bugs...)


Regards,

Richard Duivenvoorde

Gerhardus Geldenhuis wrote:
No idea to be frank... I think a mixture. Difficult 
to distinguish between which is which.


Regards

On 6 March 2012 17:36, Alex Mandel > wrote:


Are all layer using New Symbology and New Labelling (The one not in the
properties dialog)?

If not could you try only using those, and vice versa only using the old
symbology and old labelling?

Thanks,
Alex

--
Gerhardus Geldenhuis




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[Qgis-user] Pyramids and Virtual maps

[Zirneklitis]

Hi,

I have many raster maps (size 2000x2000 pixels). I have created a 
virtual dataset including all of them.


The first question: what pyramids should be built?

1. Large scale pyramids (e.g. 2 and 8) for each raster map separately 
and small scale pyramids (e.g. 16 and 32) for the Virtual data set.


OR

2. Full set of pyramids for the Virtual data set.


The second question:  Is it reasonable to make only every second pyramid 
(e.g. 4, 16, 64)? - performance/disk waste issue.


Thank You,
Karlis
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[Qgis-user] Strange behaviour in new layer

[Gerhardus Geldenhuis]

Hi
I have created a new shapefile layer but whenever I draw polygons on it,
the polygons get "edited" as in they take on the shape of another layer in
the project that has my rivers in. I have added the shapefile layer above
and below the river layer which is also a shapefile layer and made the
river layer invisible but the behaviour stays. I have also restarted QGIS
but it has no effect. I have no idea why this layer is effecting all new
shapefile layers in this way.

Regards

-- 
Gerhardus Geldenhuis
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Re: [Qgis-user] Strange behaviour in new layer

[Micha Silver]

  
  
On 03/10/2012 03:57 PM, Gerhardus Geldenhuis wrote:
Hi
  I have created a new shapefile layer but whenever I draw
polygons on it, the polygons get "edited" as in they take on the
shape of another layer in the project that has my rivers in. I
have added the shapefile layer above and below the river layer
which is also a shapefile layer and made the river layer
invisible but the behaviour stays. I have also restarted QGIS
but it has no effect. I have no idea why this layer is effecting
all new shapefile layers in this way.
  
  


Probably snapping?


  Regards


-- 
Gerhardus Geldenhuis
  
  
  This mail was received via Mail-SeCure System.
  
  
  
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This mail was received via Mail-SeCure System.







-- 
Micha Silver
GIS Consultant, Arava Development Co.
http://www.surfaces.co.il
  

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[Qgis-user] Custom label placing

[Gerhardus Geldenhuis]

Hi
I have done custom label placing on a few of my layers but I am a bit
confused about how that relates to zoom level.

When you do custom label placing is that only relevant to one zoom level?
Could you have custom label placing per zoom level? The problem is that I
have very dense data in some places and need to move labels around to make
everything look good but that does not seem to relate well for multiple
zoom levels.

Regards

-- 
Gerhardus Geldenhuis
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[Qgis-user] Fine grained zooming

[Gerhardus Geldenhuis]

Hi
I was wondering if there is a way to do fine grained zooming in the print
composer. When I zoom in on my map the increments in zoom level is to large
and I would like it to increase in smaller increments to have a better fit
in the map composer window. I have tried various key combinations but have
not yet found a working one

Best Regards

-- 
Gerhardus Geldenhuis
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RE: [Qgis-user] Fine grained zooming

[Jake Maier]

I think in the composer under map you can specify the scale which should
give you very precise control

Jake

 

From: qgis-user-boun...@lists.osgeo.org
[mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Gerhardus Geldenhuis
Sent: Saturday, March 10, 2012 11:33 AM
To: qgis-user@lists.osgeo.org
Subject: [Qgis-user] Fine grained zooming

 

Hi

I was wondering if there is a way to do fine grained zooming in the print
composer. When I zoom in on my map the increments in zoom level is to large
and I would like it to increase in smaller increments to have a better fit
in the map composer window. I have tried various key combinations but have
not yet found a working one

 

Best Regards


 

-- 
Gerhardus Geldenhuis

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Re: [Qgis-user] Re: [Newbie] Trying to get started with QGIS

[Goyo]

El día 9 de marzo de 2012 06:53, Lilirian  escribió:
> Hi Andreas,
>
> thanks kindly for your reply. It really really helps me! Because i'm using
> Sql Server 2008 (with geographies) I can 'export' the boundary as a GML
> (phew) .. which means I should be able to import it back into QGIS (based
> upon what you've said) :) :)
>
> /me goes off to give this a go ...
>
> I can get the WKT to import but not any GML :( I guess my GML is in an
> invalid format?
>
> http://pastie.org/3553482 this is the sample GML  which Sql Server 2008
> gives me.

It seems like you used AsGml to get a geometry in GML format, but
that's not like a "GML layer" which you can load in QGIS.

You should be able to export your data into shapefiles and other
formats using ogr2ogr (gdal >= 1.8):
http://alastaira.wordpress.com/2011/09/29/exporting-spatial-data-from-sql-server-to-esri-shapefile/
But if gdal can read MS SQL server data, I think QGIS sholud be able
to load it as well.

I have no experience using MS server so I don't know about the details.
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Re: [Qgis-user] Custom label placing

[Alex Mandel]

On 03/10/2012 08:08 AM, Gerhardus Geldenhuis wrote:
> Hi
> I have done custom label placing on a few of my layers but I am a bit
> confused about how that relates to zoom level.
> 
> When you do custom label placing is that only relevant to one zoom level?
> Could you have custom label placing per zoom level? The problem is that I
> have very dense data in some places and need to move labels around to make
> everything look good but that does not seem to relate well for multiple
> zoom levels.
> 
> Regards
> 

If you add a label x,y to your table and then use the label move tool as
part of the new labelling engine the values will be written to the
table. These values should stick for all zoom levels.

Thanks,
Alex

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[Qgis-user] qgis vs grass

[Jake Maier]

I'm new to qgis. I used ArcMap before so I have some GIS experience.  I have
the grass plug-in installed. Should I try to setup the grass database right
away and try to do everything within grass or should I first use just qgis
without Grass until I get more familiar with it.

Any pointers are very welcome.

Thanks in advance

Jake

 

 

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[Qgis-user] GPS route

[Michael Spencer]

Hi All,

I'm trying to create a .gpx route along a straight line, but with a node ~100m. 
i.e. I have a transect and wish to survey every 100m. How can I split straight 
polylines with a node every 100m, but keep the same line?

Obviously I can create points every 100m using the GRASS toolbox, but these are 
then converted to a waypoint when saved as gpx. If I save the two node lines 
then the GPS wont indicate when I've reached the next survey point...

Any help gladly appreciated!
Michael
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Re: [Qgis-user] qgis vs grass

[Noli Sicad]

Hi Jake,

If you are just new to QGIS, just use QGIS without Grass plug-in
first. Familiarize yourself with QGIS. Download and read QGIS manual.
You can always install the Grass plug-in later.

If you used ArcMap before and  not ArcInfo, mostly like to you don't
need Grass at the moment. Most of QGIS users (including me) have a
little use of Grass until you want advance Geoprocessing which can not
do in QGIS.

BTW, sort of things you want to use QGIS for forestry application.

( BTW,I am trying to use QGIS for forest management and Spatial forest
estate modelling.)

Noli

On 3/11/12, Jake Maier  wrote:
> I'm new to qgis. I used ArcMap before so I have some GIS experience.  I have
> the grass plug-in installed. Should I try to setup the grass database right
> away and try to do everything within grass or should I first use just qgis
> without Grass until I get more familiar with it.
>
> Any pointers are very welcome.
>
> Thanks in advance
>
> Jake
>
>
>
>
>
>
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RE: [Qgis-user] qgis vs grass

[Jake Maier]

Thanks Noli,
That was exactly the advice I was hoping for.
I write forest management plan, and work with some biologists on Natural
Resources Inventories. I provide the mapping with a bit forestry consulting
as a sideline.
So I want to show drainage maps  or vegetation maps (airphotos or topomaps
overlain with different shaded polygons).
One important future goal is to show particular stands depending on
information in the database. I also was hoping grass may provide better ways
to calculate area. I need English system, acres. I think that is not
provided in QGIS.

Jake

-Original Message-
From: Noli Sicad [mailto:nsi...@gmail.com] 
Sent: Saturday, March 10, 2012 6:06 PM
To: Jake Maier
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] qgis vs grass

Hi Jake,

If you are just new to QGIS, just use QGIS without Grass plug-in first.
Familiarize yourself with QGIS. Download and read QGIS manual.
You can always install the Grass plug-in later.

If you used ArcMap before and  not ArcInfo, mostly like to you don't need
Grass at the moment. Most of QGIS users (including me) have a little use of
Grass until you want advance Geoprocessing which can not do in QGIS.

BTW, sort of things you want to use QGIS for forestry application.

( BTW,I am trying to use QGIS for forest management and Spatial forest
estate modelling.)

Noli

On 3/11/12, Jake Maier  wrote:
> I'm new to qgis. I used ArcMap before so I have some GIS experience.  
> I have the grass plug-in installed. Should I try to setup the grass 
> database right away and try to do everything within grass or should I 
> first use just qgis without Grass until I get more familiar with it.
>
> Any pointers are very welcome.
>
> Thanks in advance
>
> Jake
>
>
>
>
>
>

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[Qgis-user] (no subject)

[juanl...@gmail.com]

Enviado desde mi HTC

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RE: [Qgis-user] GPS route

[Jake Maier]

Michael,

What about a route? String 100m lines together in a route, You even can tell
the GPS when to notify you about the coming of a node which will be the
beginning of a new line. Because it's nearly impossible to hit a 1X1m square
with the GPS, (it will constantly move on you) I use this feature to let me
know when I'm let's say 10 m from the point and then use a fixed amount of
paces and the bearing to be fairly unbiased in locating the point.

jake

 

From: qgis-user-boun...@lists.osgeo.org
[mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Michael Spencer
Sent: Saturday, March 10, 2012 5:02 PM
To: QGIS Users
Subject: [Qgis-user] GPS route

 

Hi All,

I'm trying to create a .gpx route along a straight line, but with a node
~100m. i.e. I have a transect and wish to survey every 100m. How can I split
straight polylines with a node every 100m, but keep the same line?

Obviously I can create points every 100m using the GRASS toolbox, but these
are then converted to a waypoint when saved as gpx. If I save the two node
lines then the GPS wont indicate when I've reached the next survey point...

Any help gladly appreciated!
Michael

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Re: [Qgis-user] qgis vs grass

[Noli Sicad]

To calculate area - (shapeflie file) in QGIS,

Have a look on the Vector (menu)->Geometry Tools -> Export / Add
geometry columns.

You will get a new shapefile with area and perimetre columns

Simple hack for acres;

Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new
columns for arces and just just conversion from units to acres.

I think you can add column as well in the attributes table and add the
formula for conversion tor default unit to acres.

Re: aerial photos, you can use georeference plugin (C++ plugin -
standard /default installed by QGIS to georeference those photos. It
easy and simple to do georeferencing in QGIS compare to MapInfo and
ArcMap.

Noli


On 3/11/12, Jake Maier  wrote:
> Thanks Noli,
> That was exactly the advice I was hoping for.
> I write forest management plan, and work with some biologists on Natural
> Resources Inventories. I provide the mapping with a bit forestry consulting
> as a sideline.
> So I want to show drainage maps  or vegetation maps (airphotos or topomaps
> overlain with different shaded polygons).
> One important future goal is to show particular stands depending on
> information in the database. I also was hoping grass may provide better ways
> to calculate area. I need English system, acres. I think that is not
> provided in QGIS.
>
> Jake
>
> -Original Message-
> From: Noli Sicad [mailto:nsi...@gmail.com]
> Sent: Saturday, March 10, 2012 6:06 PM
> To: Jake Maier
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] qgis vs grass
>
> Hi Jake,
>
> If you are just new to QGIS, just use QGIS without Grass plug-in first.
> Familiarize yourself with QGIS. Download and read QGIS manual.
> You can always install the Grass plug-in later.
>
> If you used ArcMap before and  not ArcInfo, mostly like to you don't need
> Grass at the moment. Most of QGIS users (including me) have a little use of
> Grass until you want advance Geoprocessing which can not do in QGIS.
>
> BTW, sort of things you want to use QGIS for forestry application.
>
> ( BTW,I am trying to use QGIS for forest management and Spatial forest
> estate modelling.)
>
> Noli
>
> On 3/11/12, Jake Maier  wrote:
>> I'm new to qgis. I used ArcMap before so I have some GIS experience.
>> I have the grass plug-in installed. Should I try to setup the grass
>> database right away and try to do everything within grass or should I
>> first use just qgis without Grass until I get more familiar with it.
>>
>> Any pointers are very welcome.
>>
>> Thanks in advance
>>
>> Jake
>>
>>
>>
>>
>>
>>
>
>
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RE: [Qgis-user] Custom label placing

[Alister Hood]

> Date: Sat, 10 Mar 2012 16:08:31 +
> From: Gerhardus Geldenhuis 
> Subject: [Qgis-user] Custom label placing
> To: qgis-user@lists.osgeo.org
> Message-ID:
>   
> Content-Type: text/plain; charset="iso-8859-1"
> 
> Hi
> I have done custom label placing on a few of my layers but I am a bit
> confused about how that relates to zoom level.
> 
> When you do custom label placing is that only relevant to one zoom level?
> Could you have custom label placing per zoom level? The problem is that I
> have very dense data in some places and need to move labels around to make
> everything look good but that does not seem to relate well for multiple
> zoom levels.

I think if you wanted to have custom labels at different places for different 
zoom levels you would need to make multiple copies of the layer, and have each 
one visible only at certain zoom levels.

Alister
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RE: [Qgis-user] Fine grained zooming

[Alister Hood]

I think he was asking about zooming in on the whole composer layout, not 
changing the scale of a map on the composer layout.
Personally I think it would be good to have most of the same zoom tools 
available in the composer as in the main QGIS window (obviously "zoom to layer" 
wouldn't make sense in the composer).  I thought there was a ticket for this, 
but I can't find it now...

Alister

> Date: Sat, 10 Mar 2012 11:43:00 -0500
> From: "Jake Maier" 
> Subject: RE: [Qgis-user] Fine grained zooming
> To: "'Gerhardus Geldenhuis'" ,
>   
> Message-ID: <001e01ccfedc$ddb81230$99283690$@m...@jmforestry.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> I think in the composer under map you can specify the scale which should
> give you very precise control
> 
> Jake 
> 
> > From: qgis-user-boun...@lists.osgeo.org
> > [mailto:qgis-user-boun...@lists.osgeo.org] On Behalf Of Gerhardus
> > Geldenhuis
> > Sent: Saturday, March 10, 2012 11:33 AM
> > To: qgis-user@lists.osgeo.org
> > Subject: [Qgis-user] Fine grained zooming
> >
> > Hi
> > I was wondering if there is a way to do fine grained zooming in the print
> > composer. When I zoom in on my map the increments in zoom level is to
> > large and I would like it to increase in smaller increments to have a
> > better fit in the map composer window. I have tried various key
> > combinations but have not yet found a working one
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Re: [Qgis-user] qgis vs grass

[Noli Sicad]

Use Table Manager (Qgis python plugin) to manage table (i.e. delete
and add columns). At the moment, it will save the new table into a new
shapefile (*.shp, *.dbf, etc).

Noli

On 3/11/12, Jake Maier  wrote:
> I try to delete some of the fields (columns) in the attribute table but the
> delete feature is grayed out weather I toggle editing mode on or off.
> How can I delete a field?
> Jake
>
> -Original Message-
> From: Noli Sicad [mailto:nsi...@gmail.com]
> Sent: Saturday, March 10, 2012 6:59 PM
> To: Jake Maier
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] qgis vs grass
>
> To calculate area - (shapeflie file) in QGIS,
>
> Have a look on the Vector (menu)->Geometry Tools -> Export / Add geometry
> columns.
>
> You will get a new shapefile with area and perimetre columns
>
> Simple hack for acres;
>
> Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new
> columns for arces and just just conversion from units to acres.
>
> I think you can add column as well in the attributes table and add the
> formula for conversion tor default unit to acres.
>
> Re: aerial photos, you can use georeference plugin (C++ plugin - standard
> /default installed by QGIS to georeference those photos. It easy and simple
> to do georeferencing in QGIS compare to MapInfo and ArcMap.
>
> Noli
>
>
> On 3/11/12, Jake Maier  wrote:
>> Thanks Noli,
>> That was exactly the advice I was hoping for.
>> I write forest management plan, and work with some biologists on
>> Natural Resources Inventories. I provide the mapping with a bit
>> forestry consulting as a sideline.
>> So I want to show drainage maps  or vegetation maps (airphotos or
>> topomaps overlain with different shaded polygons).
>> One important future goal is to show particular stands depending on
>> information in the database. I also was hoping grass may provide
>> better ways to calculate area. I need English system, acres. I think
>> that is not provided in QGIS.
>>
>> Jake
>>
>> -Original Message-
>> From: Noli Sicad [mailto:nsi...@gmail.com]
>> Sent: Saturday, March 10, 2012 6:06 PM
>> To: Jake Maier
>> Cc: qgis-user@lists.osgeo.org
>> Subject: Re: [Qgis-user] qgis vs grass
>>
>> Hi Jake,
>>
>> If you are just new to QGIS, just use QGIS without Grass plug-in first.
>> Familiarize yourself with QGIS. Download and read QGIS manual.
>> You can always install the Grass plug-in later.
>>
>> If you used ArcMap before and  not ArcInfo, mostly like to you don't
>> need Grass at the moment. Most of QGIS users (including me) have a
>> little use of Grass until you want advance Geoprocessing which can not do
> in QGIS.
>>
>> BTW, sort of things you want to use QGIS for forestry application.
>>
>> ( BTW,I am trying to use QGIS for forest management and Spatial forest
>> estate modelling.)
>>
>> Noli
>>
>> On 3/11/12, Jake Maier  wrote:
>>> I'm new to qgis. I used ArcMap before so I have some GIS experience.
>>> I have the grass plug-in installed. Should I try to setup the grass
>>> database right away and try to do everything within grass or should I
>>> first use just qgis without Grass until I get more familiar with it.
>>>
>>> Any pointers are very welcome.
>>>
>>> Thanks in advance
>>>
>>> Jake
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>
>
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RE: [Qgis-user] qgis vs grass

[Alister Hood]

> Date: Sat, 10 Mar 2012 18:35:51 -0500
> From: "Jake Maier" 
> Subject: RE: [Qgis-user] qgis vs grass
> To: "'Noli Sicad'" 
> Cc: qgis-user@lists.osgeo.org
> Message-ID: <003e01ccff16$8e8a3f50$ab9ebdf0$@m...@jmforestry.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> Thanks Noli,
> That was exactly the advice I was hoping for.
> I write forest management plan, and work with some biologists on Natural
> Resources Inventories. I provide the mapping with a bit forestry
> consulting as a sideline.
> So I want to show drainage maps  or vegetation maps (airphotos or topomaps
> overlain with different shaded polygons).
> One important future goal is to show particular stands depending on
> information in the database. I also was hoping grass may provide better
> ways to calculate area. I need English system, acres. I think that is not
> provided in QGIS.
> 
> Jake

QGIS will report areas in the native units of whatever CRS your layers are in - 
typically meters or I guess feet.  But why would it be a problem to convert 
these to acres?  It should be easy.
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RE: [Qgis-user] qgis vs grass

[Jake Maier]

Sweet, Thanks Noli
Jake

-Original Message-
From: Noli Sicad [mailto:nsi...@gmail.com] 
Sent: Saturday, March 10, 2012 6:59 PM
To: Jake Maier
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] qgis vs grass

To calculate area - (shapeflie file) in QGIS,

Have a look on the Vector (menu)->Geometry Tools -> Export / Add geometry
columns.

You will get a new shapefile with area and perimetre columns

Simple hack for acres;

Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new
columns for arces and just just conversion from units to acres.

I think you can add column as well in the attributes table and add the
formula for conversion tor default unit to acres.

Re: aerial photos, you can use georeference plugin (C++ plugin - standard
/default installed by QGIS to georeference those photos. It easy and simple
to do georeferencing in QGIS compare to MapInfo and ArcMap.

Noli


On 3/11/12, Jake Maier  wrote:
> Thanks Noli,
> That was exactly the advice I was hoping for.
> I write forest management plan, and work with some biologists on 
> Natural Resources Inventories. I provide the mapping with a bit 
> forestry consulting as a sideline.
> So I want to show drainage maps  or vegetation maps (airphotos or 
> topomaps overlain with different shaded polygons).
> One important future goal is to show particular stands depending on 
> information in the database. I also was hoping grass may provide 
> better ways to calculate area. I need English system, acres. I think 
> that is not provided in QGIS.
>
> Jake
>
> -Original Message-
> From: Noli Sicad [mailto:nsi...@gmail.com]
> Sent: Saturday, March 10, 2012 6:06 PM
> To: Jake Maier
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] qgis vs grass
>
> Hi Jake,
>
> If you are just new to QGIS, just use QGIS without Grass plug-in first.
> Familiarize yourself with QGIS. Download and read QGIS manual.
> You can always install the Grass plug-in later.
>
> If you used ArcMap before and  not ArcInfo, mostly like to you don't 
> need Grass at the moment. Most of QGIS users (including me) have a 
> little use of Grass until you want advance Geoprocessing which can not do
in QGIS.
>
> BTW, sort of things you want to use QGIS for forestry application.
>
> ( BTW,I am trying to use QGIS for forest management and Spatial forest 
> estate modelling.)
>
> Noli
>
> On 3/11/12, Jake Maier  wrote:
>> I'm new to qgis. I used ArcMap before so I have some GIS experience.
>> I have the grass plug-in installed. Should I try to setup the grass 
>> database right away and try to do everything within grass or should I 
>> first use just qgis without Grass until I get more familiar with it.
>>
>> Any pointers are very welcome.
>>
>> Thanks in advance
>>
>> Jake
>>
>>
>>
>>
>>
>>
>
>

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RE: [Qgis-user] qgis vs grass

[Jake Maier]

I try to delete some of the fields (columns) in the attribute table but the
delete feature is grayed out weather I toggle editing mode on or off.
How can I delete a field?
Jake

-Original Message-
From: Noli Sicad [mailto:nsi...@gmail.com] 
Sent: Saturday, March 10, 2012 6:59 PM
To: Jake Maier
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] qgis vs grass

To calculate area - (shapeflie file) in QGIS,

Have a look on the Vector (menu)->Geometry Tools -> Export / Add geometry
columns.

You will get a new shapefile with area and perimetre columns

Simple hack for acres;

Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new
columns for arces and just just conversion from units to acres.

I think you can add column as well in the attributes table and add the
formula for conversion tor default unit to acres.

Re: aerial photos, you can use georeference plugin (C++ plugin - standard
/default installed by QGIS to georeference those photos. It easy and simple
to do georeferencing in QGIS compare to MapInfo and ArcMap.

Noli


On 3/11/12, Jake Maier  wrote:
> Thanks Noli,
> That was exactly the advice I was hoping for.
> I write forest management plan, and work with some biologists on 
> Natural Resources Inventories. I provide the mapping with a bit 
> forestry consulting as a sideline.
> So I want to show drainage maps  or vegetation maps (airphotos or 
> topomaps overlain with different shaded polygons).
> One important future goal is to show particular stands depending on 
> information in the database. I also was hoping grass may provide 
> better ways to calculate area. I need English system, acres. I think 
> that is not provided in QGIS.
>
> Jake
>
> -Original Message-
> From: Noli Sicad [mailto:nsi...@gmail.com]
> Sent: Saturday, March 10, 2012 6:06 PM
> To: Jake Maier
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] qgis vs grass
>
> Hi Jake,
>
> If you are just new to QGIS, just use QGIS without Grass plug-in first.
> Familiarize yourself with QGIS. Download and read QGIS manual.
> You can always install the Grass plug-in later.
>
> If you used ArcMap before and  not ArcInfo, mostly like to you don't 
> need Grass at the moment. Most of QGIS users (including me) have a 
> little use of Grass until you want advance Geoprocessing which can not do
in QGIS.
>
> BTW, sort of things you want to use QGIS for forestry application.
>
> ( BTW,I am trying to use QGIS for forest management and Spatial forest 
> estate modelling.)
>
> Noli
>
> On 3/11/12, Jake Maier  wrote:
>> I'm new to qgis. I used ArcMap before so I have some GIS experience.
>> I have the grass plug-in installed. Should I try to setup the grass 
>> database right away and try to do everything within grass or should I 
>> first use just qgis without Grass until I get more familiar with it.
>>
>> Any pointers are very welcome.
>>
>> Thanks in advance
>>
>> Jake
>>
>>
>>
>>
>>
>>
>
>

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RE: [Qgis-user] qgis vs grass

[Jake Maier]

I found it and there is even a forestry toolkit. Did you use it? Is it any
good, what does it do for you?

-Original Message-
From: Noli Sicad [mailto:nsi...@gmail.com] 
Sent: Saturday, March 10, 2012 7:46 PM
To: Jake Maier
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] qgis vs grass

Use Table Manager (Qgis python plugin) to manage table (i.e. delete and add
columns). At the moment, it will save the new table into a new shapefile
(*.shp, *.dbf, etc).

Noli

On 3/11/12, Jake Maier  wrote:
> I try to delete some of the fields (columns) in the attribute table 
> but the delete feature is grayed out weather I toggle editing mode on or
off.
> How can I delete a field?
> Jake
>
> -Original Message-
> From: Noli Sicad [mailto:nsi...@gmail.com]
> Sent: Saturday, March 10, 2012 6:59 PM
> To: Jake Maier
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] qgis vs grass
>
> To calculate area - (shapeflie file) in QGIS,
>
> Have a look on the Vector (menu)->Geometry Tools -> Export / Add 
> geometry columns.
>
> You will get a new shapefile with area and perimetre columns
>
> Simple hack for acres;
>
> Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new 
> columns for arces and just just conversion from units to acres.
>
> I think you can add column as well in the attributes table and add the 
> formula for conversion tor default unit to acres.
>
> Re: aerial photos, you can use georeference plugin (C++ plugin - 
> standard /default installed by QGIS to georeference those photos. It 
> easy and simple to do georeferencing in QGIS compare to MapInfo and
ArcMap.
>
> Noli
>
>
> On 3/11/12, Jake Maier  wrote:
>> Thanks Noli,
>> That was exactly the advice I was hoping for.
>> I write forest management plan, and work with some biologists on 
>> Natural Resources Inventories. I provide the mapping with a bit 
>> forestry consulting as a sideline.
>> So I want to show drainage maps  or vegetation maps (airphotos or 
>> topomaps overlain with different shaded polygons).
>> One important future goal is to show particular stands depending on 
>> information in the database. I also was hoping grass may provide 
>> better ways to calculate area. I need English system, acres. I think 
>> that is not provided in QGIS.
>>
>> Jake
>>
>> -Original Message-
>> From: Noli Sicad [mailto:nsi...@gmail.com]
>> Sent: Saturday, March 10, 2012 6:06 PM
>> To: Jake Maier
>> Cc: qgis-user@lists.osgeo.org
>> Subject: Re: [Qgis-user] qgis vs grass
>>
>> Hi Jake,
>>
>> If you are just new to QGIS, just use QGIS without Grass plug-in first.
>> Familiarize yourself with QGIS. Download and read QGIS manual.
>> You can always install the Grass plug-in later.
>>
>> If you used ArcMap before and  not ArcInfo, mostly like to you don't 
>> need Grass at the moment. Most of QGIS users (including me) have a 
>> little use of Grass until you want advance Geoprocessing which can 
>> not do
> in QGIS.
>>
>> BTW, sort of things you want to use QGIS for forestry application.
>>
>> ( BTW,I am trying to use QGIS for forest management and Spatial 
>> forest estate modelling.)
>>
>> Noli
>>
>> On 3/11/12, Jake Maier  wrote:
>>> I'm new to qgis. I used ArcMap before so I have some GIS experience.
>>> I have the grass plug-in installed. Should I try to setup the grass 
>>> database right away and try to do everything within grass or should 
>>> I first use just qgis without Grass until I get more familiar with it.
>>>
>>> Any pointers are very welcome.
>>>
>>> Thanks in advance
>>>
>>> Jake
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>
>

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RE: [Qgis-user] qgis vs grass

[Jake Maier]

I can't see the Table Manager. I think I have all python plugins installed. 
Is it a third party plugin or where do I find it?
Jake

-Original Message-
From: Noli Sicad [mailto:nsi...@gmail.com] 
Sent: Saturday, March 10, 2012 7:46 PM
To: Jake Maier
Cc: qgis-user@lists.osgeo.org
Subject: Re: [Qgis-user] qgis vs grass

Use Table Manager (Qgis python plugin) to manage table (i.e. delete and add
columns). At the moment, it will save the new table into a new shapefile
(*.shp, *.dbf, etc).

Noli

On 3/11/12, Jake Maier  wrote:
> I try to delete some of the fields (columns) in the attribute table 
> but the delete feature is grayed out weather I toggle editing mode on or
off.
> How can I delete a field?
> Jake
>
> -Original Message-
> From: Noli Sicad [mailto:nsi...@gmail.com]
> Sent: Saturday, March 10, 2012 6:59 PM
> To: Jake Maier
> Cc: qgis-user@lists.osgeo.org
> Subject: Re: [Qgis-user] qgis vs grass
>
> To calculate area - (shapeflie file) in QGIS,
>
> Have a look on the Vector (menu)->Geometry Tools -> Export / Add 
> geometry columns.
>
> You will get a new shapefile with area and perimetre columns
>
> Simple hack for acres;
>
> Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new 
> columns for arces and just just conversion from units to acres.
>
> I think you can add column as well in the attributes table and add the 
> formula for conversion tor default unit to acres.
>
> Re: aerial photos, you can use georeference plugin (C++ plugin - 
> standard /default installed by QGIS to georeference those photos. It 
> easy and simple to do georeferencing in QGIS compare to MapInfo and
ArcMap.
>
> Noli
>
>
> On 3/11/12, Jake Maier  wrote:
>> Thanks Noli,
>> That was exactly the advice I was hoping for.
>> I write forest management plan, and work with some biologists on 
>> Natural Resources Inventories. I provide the mapping with a bit 
>> forestry consulting as a sideline.
>> So I want to show drainage maps  or vegetation maps (airphotos or 
>> topomaps overlain with different shaded polygons).
>> One important future goal is to show particular stands depending on 
>> information in the database. I also was hoping grass may provide 
>> better ways to calculate area. I need English system, acres. I think 
>> that is not provided in QGIS.
>>
>> Jake
>>
>> -Original Message-
>> From: Noli Sicad [mailto:nsi...@gmail.com]
>> Sent: Saturday, March 10, 2012 6:06 PM
>> To: Jake Maier
>> Cc: qgis-user@lists.osgeo.org
>> Subject: Re: [Qgis-user] qgis vs grass
>>
>> Hi Jake,
>>
>> If you are just new to QGIS, just use QGIS without Grass plug-in first.
>> Familiarize yourself with QGIS. Download and read QGIS manual.
>> You can always install the Grass plug-in later.
>>
>> If you used ArcMap before and  not ArcInfo, mostly like to you don't 
>> need Grass at the moment. Most of QGIS users (including me) have a 
>> little use of Grass until you want advance Geoprocessing which can 
>> not do
> in QGIS.
>>
>> BTW, sort of things you want to use QGIS for forestry application.
>>
>> ( BTW,I am trying to use QGIS for forest management and Spatial 
>> forest estate modelling.)
>>
>> Noli
>>
>> On 3/11/12, Jake Maier  wrote:
>>> I'm new to qgis. I used ArcMap before so I have some GIS experience.
>>> I have the grass plug-in installed. Should I try to setup the grass 
>>> database right away and try to do everything within grass or should 
>>> I first use just qgis without Grass until I get more familiar with it.
>>>
>>> Any pointers are very welcome.
>>>
>>> Thanks in advance
>>>
>>> Jake
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>
>

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Re: [Qgis-user] qgis vs grass

[Alister Hood]

> Date: Sun, 11 Mar 2012 10:59:07 +1100
> From: Noli Sicad 
> Subject: Re: [Qgis-user] qgis vs grass
> To: Jake Maier 
> Cc: qgis-user@lists.osgeo.org
> Message-ID:
>   
> Content-Type: text/plain; charset=ISO-8859-1
> 
> To calculate area - (shapeflie file) in QGIS,
> 
> Have a look on the Vector (menu)->Geometry Tools -> Export / Add geometry
> columns.
> 
> You will get a new shapefile with area and perimetre columns
> 
> Simple hack for acres;
> 
> Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new
> columns for arces and just just conversion from units to acres.
> 
> I think you can add column as well in the attributes table and add the
> formula for conversion tor default unit to acres.

Yes, it is best to use the attribute table instead of messing around with 
Openoffice.
And at least in QGIS master you can skip the "Export / Add geometry" step - 
just open the attribute table and you can use the field calculator to calculate 
the area and convert it into acres in one step.
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RE: [Qgis-user] qgis vs grass

[Alister Hood]

> Date: Sat, 10 Mar 2012 19:26:26 -0500
> From: "Jake Maier" 
> Subject: RE: [Qgis-user] qgis vs grass
> To: "'Noli Sicad'" 
> Cc: qgis-user@lists.osgeo.org
> Message-ID: <006301ccff1d$9ad3fba0$d07bf2e0$@m...@jmforestry.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> I try to delete some of the fields (columns) in the attribute table but
> the delete feature is grayed out weather I toggle editing mode on or off.
> How can I delete a field?
> Jake

Deleting a feature is not the same as deleting a field, and requires a feature 
to be selected.
Deleting a field from the attribute table window is I think only possible with 
QGIS master and gdal 1.9
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RE: [Qgis-user] qgis vs grass

[Jake Maier]

Great, thanks Alister, will do  
Jake

-Original Message-
From: Alister Hood [mailto:alister.h...@synergine.com] 
Sent: Saturday, March 10, 2012 8:42 PM
To: qgis-user@lists.osgeo.org
Cc: nsi...@gmail.com; j...@jmforestry.com
Subject: Re: [Qgis-user] qgis vs grass

> Date: Sun, 11 Mar 2012 10:59:07 +1100
> From: Noli Sicad 
> Subject: Re: [Qgis-user] qgis vs grass
> To: Jake Maier 
> Cc: qgis-user@lists.osgeo.org
> Message-ID:
>   
> Content-Type: text/plain; charset=ISO-8859-1
> 
> To calculate area - (shapeflie file) in QGIS,
> 
> Have a look on the Vector (menu)->Geometry Tools -> Export / Add 
> geometry columns.
> 
> You will get a new shapefile with area and perimetre columns
> 
> Simple hack for acres;
> 
> Open dbf file of that shapefiles in LibreOffice / OpenOffice add a new 
> columns for arces and just just conversion from units to acres.
> 
> I think you can add column as well in the attributes table and add the 
> formula for conversion tor default unit to acres.

Yes, it is best to use the attribute table instead of messing around with
Openoffice.
And at least in QGIS master you can skip the "Export / Add geometry" step -
just open the attribute table and you can use the field calculator to
calculate the area and convert it into acres in one step.

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RE: [Qgis-user] qgis vs grass

[Jake Maier]

Alister, deleting a field worked like a charm with Table Manager, (python
plugin)
Jake

-Original Message-
From: Alister Hood [mailto:alister.h...@synergine.com] 
Sent: Saturday, March 10, 2012 8:45 PM
To: qgis-user@lists.osgeo.org
Cc: j...@jmforestry.com
Subject: RE: [Qgis-user] qgis vs grass

> Date: Sat, 10 Mar 2012 19:26:26 -0500
> From: "Jake Maier" 
> Subject: RE: [Qgis-user] qgis vs grass
> To: "'Noli Sicad'" 
> Cc: qgis-user@lists.osgeo.org
> Message-ID: <006301ccff1d$9ad3fba0$d07bf2e0$@m...@jmforestry.com>
> Content-Type: text/plain; charset="us-ascii"
> 
> I try to delete some of the fields (columns) in the attribute table 
> but the delete feature is grayed out weather I toggle editing mode on or
off.
> How can I delete a field?
> Jake

Deleting a feature is not the same as deleting a field, and requires a
feature to be selected.
Deleting a field from the attribute table window is I think only possible
with QGIS master and gdal 1.9

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