[Qgis-user] scale WMS layer

2011-04-14 Thread Federico Lazzaroni
Hi to everyone
I'm a new Qgis user.
I'm trying to set a less detailed scale for a WMS raster layer (I need to
use a origina 1:10.000 topographic map at 1:15.000). Is there a way to
force this setting? I tried with WMS Property -General Visibility
depending froms scale but nothing changes
Furthermore, when I prepare a Printing with the same WMS, I usually can't
keep the same scale I was using in the project. If I use 1:10.000 in the
project I can' use more than 1:4500 in Printings.
Thnak you very much
Federico
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[Qgis-user] WMS layer scale

2011-04-14 Thread Federico Lazzaroni
Hi to everyone
I'm a new Qgis user.
I'm trying to set a less detailed scale for a WMS raster layer (I need to
use a origina 1:10.000 topographic map at 1:15.000). Is there a way to
force this setting? I tried with WMS Property -General Visibility
depending froms scale but nothing changes
Furthermore, when I prepare a Printing with the same WMS, I usually can't
keep the same scale I was using in the project. If I use 1:10.000 in the
project I can' use more than 1:4500 in Printings.
Thnak you very much
Federico
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Re: [Qgis-user] raster stats

2011-04-14 Thread Radim Blazek
New ticket http://trac.osgeo.org/qgis/ticket/3735

Radim

On Mon, Mar 21, 2011 at 4:37 PM, John Callahan john.calla...@udel.edu wrote:
 I'm not sure if this behavior is expected or I am missing something.

 I have a 1 band raster dataset (an elevation DEM) in TIF format.  It has
 statistics computed from gdalinfo -stats mydata.tif   However, when I open
 it in QGIS (both 1.6 and 1.7 trunk), and look at the Metadata tab in Layer
 properties, there are two sections that contain band stats information.  The
 first section is labeled Band 1 and lists the same stats as found using
 gdalinfo.  The second section is labeled Band and says No stats collected
 yet for band 1.  QGIS has to create the stats when I apply a color map or
 stretch.  For large rasters, this takes a while, and must be done each time
 it's used in QGIS.

 Has anyone experienced this behavior?  Is this expected?  Is there a way to
 let gdal compute all the stats that QGIS needs?  Thanks.

 - John

 **
 John Callahan, Research Scientist
 Delaware Geological Survey, University of Delaware
 URL: http://www.dgs.udel.edu
 **

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Re: [Qgis-user] DPI parameter for wms requests

2011-04-14 Thread Radim Blazek
The DPI was really lost, fixed in trunk.

Radim

On Wed, Mar 23, 2011 at 5:26 PM, Ziegler Stefan stefan.zieg...@bd.so.ch wrote:
 Hi

 I remember the QGIS was attaching a DPI parameter for every wms request, e.g. 
 DPI=96 when using wms layers in the mapcanvas or DPI=300 for printing. This 
 parameter is not attached anymore. Does this happen on purpose?

 regards
 Stefan

 Mit freundlichem Gruss
 Stefan Ziegler
 Leiter amtliche Vermessung

 Amt für Geoinformation
 Rötistrasse 4
 4501 Solothurn
 032 627 75 96
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[Qgis-user] wps plugin error

2011-04-14 Thread ivan marchesini
Hi,
I have just created a test wps service (pywps) wich it seems to work
using GET requests.

I have tried to use the WPS plugin but it seems that, also using example
processes, the client fails.

looking at the error.log I can see this error:


[Thu Apr 14 14:45:51 2011] [error] [client 194.119.218.2] Traceback
(most recent call last):
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]   File
/usr/local/lib/python2.6/dist-packages/pywps/Wps/Execute/__init__.py,
line 337, in __init__
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]
self.consolidateInputs()
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]   File
/usr/local/lib/python2.6/dist-packages/pywps/Wps/Execute/__init__.py,
line 479, in consolidateInputs
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx] resp =
input.setValue(inp)
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]   File
/usr/local/lib/python2.6/dist-packages/pywps/Process/InAndOutputs.py,
line 391, in setValue
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]
self.storeData(input[value])
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]   File
/usr/local/lib/python2.6/dist-packages/pywps/Process/InAndOutputs.py,
line 436, in storeData
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx]
fout.write(data)
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx] TypeError:
argument 1 must be string or buffer, not None
[Thu Apr 14 14:45:51 2011] [error] [client xxx.xxx.xxx.xxx] PyWPS
[2011-04-14 14:45:51,474] INFO: Status [processfailed]: argument 1 must
be string or buffer, not None

what does it meens?
I have passed all the datainputs to the clients...

I'm using qgis from Nightly builds of the trunk for ubuntu lucid..

many thanks 

ivan



-- 
Ti prego di cercare di non inviarmi files .dwg, .doc, .xls, .ppt.
Preferisco formati liberi.
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Ivan Marchesini
Perugia (Italy)
Socio fondatore GFOSS Geospatial Free and Open Source Software 
http://www.gfoss.it
e-mail: ivan.marches...@irpi.cnr.it
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[Qgis-user] pgVersion plugin

2011-04-14 Thread Kai-Christian Bruhn

Dear List,

working on Windows XP SP3 with the OSGEO4W advanced installation of QGIS 
1.6.0 I try to implement the pgVersion plugin. The db-side is working 
fine, but when I try to install the plugin I get the following error


  File D:/OSGeo4W/apps/qgis/./python\qgis\utils.py, line 147, in 
startPlugin

plugins[packageName].initGui()
  File C:/blabla/.qgis/python/plugins\pgversion\pgVersion.py, line 
94, in initGui

self.iface.addPluginToDatabaseMenu(PG Version, a)
TypeError: 'sip.methoddescriptor' object is not callable

Python-Version:
2.5.2 (r252:60911, Feb 21 2008, 13:11:45) [MSC v.1310 32 bit (Intel)]

Any help much appreciated!

Cheers

Kai
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Re: [Qgis-user] pgVersion plugin

2011-04-14 Thread Giuseppe Sucameli
Hi Kai,

On Thu, Apr 14, 2011 at 5:51 PM, Kai-Christian Bruhn br...@fh-mainz.dewrote:

  File C:/blabla/.qgis/python/plugins\pgversion\pgVersion.py, line 94, in
 initGui
self.iface.addPluginToDatabaseMenu(PG Version, a)
 TypeError: 'sip.methoddescriptor' object is not callable

to add the plugin to the database menu use the code you find here [1] and
all should work fine.

Cheers.

[1] http://www.qgis.org/wiki/Database#Put_a_plugin_into_.22Database.22_menu


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Re: [Qgis-user] pgVersion plugin

2011-04-14 Thread Giuseppe Sucameli
Hi Kai,
I forgot to say that this kind of questions must be supplied to the
developers ML,
not to the users one.
Regards.


On Thu, Apr 14, 2011 at 7:16 PM, Giuseppe Sucameli sucam...@faunalia.itwrote:

 Hi Kai,

 On Thu, Apr 14, 2011 at 5:51 PM, Kai-Christian Bruhn br...@fh-mainz.dewrote:

  File C:/blabla/.qgis/python/plugins\pgversion\pgVersion.py, line 94, in
 initGui
self.iface.addPluginToDatabaseMenu(PG Version, a)
 TypeError: 'sip.methoddescriptor' object is not callable

 to add the plugin to the database menu use the code you find here [1] and
 all should work fine.

 Cheers.

 [1]
 http://www.qgis.org/wiki/Database#Put_a_plugin_into_.22Database.22_menu


 --
 Giuseppe Sucameli




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Re: [Qgis-user] scale WMS layer

2011-04-14 Thread Goyo
2011/4/11 Federico Lazzaroni fedela...@gmail.com:

 I'm trying to set a less detailed scale for a WMS raster layer (I need to
 use a origina 1:10.000 topographic map at 1:15.000). Is there a way to
 force this setting?

A WMS request include a bounding box (in CRS units) and image size (in
pixels). I guess QGIS determines the bounding box from the map extents
and the image size from the screen (or printing) resolution.

I tried with WMS Property -General Visibility
 depending froms scale but nothing changes
 Furthermore, when I prepare a Printing with the same WMS, I usually can't
 keep the same scale I was using in the project. If I use 1:10.000 in the
 project I can' use more than 1:4500 in Printings.

What does I can't mean?
Many servers impose a limit in the size of images they serve. Usually
a printed map needs a bigger image than a screen one so you can see
the image in the screen but maybe not in the printing.

I often download several images and use virtual rasters to compose a
bigger one in order to workaround these limits.

Goyo
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