[Qgis-user] Problem reading dem raster data

2015-05-17 Thread azizul haque 
Hi All QGIS Users,

Recently I am getting following error to run the DEM bySAGA/QGIS

ERROR1: Problem reading /home/valentino/.qgis2//gdal_pam/gdal_pam_proxy.dat 
header -short or corrupt?


 
Anyhelp is much appreciated

Kindregards

Azizul


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Re: [Qgis-user] Python Error message: meaning?

2015-05-17 Thread Joris Hintjens 
Thanks Enrico;
I unchecked the plugin and no more problem. Sorry that I cannot use your nice 
plugin for some time.

Joris

 Op 16-mei-2015, om 19:07 heeft Enrico Ferreguti enrico...@gmail.com het 
 volgende geschreven:
 
 The error messages are generated from redLayer plugin. Submit it to plugin 
 issue tracker. Try to update the plugin and reload qgis. If it does not 
 resolv unload it.
 Da: Joris Hintjens mailto:joris...@gmail.com
 Inviato: ‎16/‎05/‎2015 18:51
 A: QGIS User mailto:Qgis-user@lists.osgeo.org
 Oggetto: [Qgis-user] Python Error message: meaning?
 
 Hello,
 When loading a project, I get the following error message for each layer that 
 is loading:
  what does it mean, how to repair or get rid of these messages?
 I have the impression that everything works OK after closing these messages
 
 thanks for your comments.
 
 Joris
 
 Error message:
 
 Er is een fout opgetreden bij het uitvoeren van Python code:
 
 Traceback (most recent call last):
   File /Users/joris/.qgis2/python/plugins/redLayer/redLayerModule.py, line 
 368, in notSavedProjectAction
 
 QgsMapLayerRegistry.instance().legendLayersAdded.disconnect(self.notSavedProjectAction)
 TypeError: disconnect() failed between 'legendLayersAdded' and 'unislot'
 
 Python versie:
 2.7.6 (default, Sep  9 2014, 15:04:36) 
 [GCC 4.2.1 Compatible Apple LLVM 6.0 (clang-600.0.39)]
 
 
 QGIS versie:
 2.8.1-Wien Wien, 
 
 Python pad: ['/Users/joris/.qgis2/python/plugins/navidata', 
 '/Users/joris/.qgis2/python/plugins/processing', 
 '/Users/joris/.qgis2/python/plugins/GeoCoding/libs', 
 '/Applications/QGIS.app/Contents/MacOS/../Resources/python', 
 u'/Users/joris/.qgis2/python', u'/Users/joris/.qgis2/python/plugins', 
 '/Applications/QGIS.app/Contents/MacOS/../Resources/python/plugins', 
 '/Library/Frameworks/SQLite3.framework/Versions/C/Python/2.7', 
 '/Library/Frameworks/GEOS.framework/Versions/3/Python/2.7', 
 '/Library/Python/2.7/site-packages/numpy-override', 
 '/Library/Python/2.7/site-packages/matplotlib-override', 
 '/Library/Frameworks/GDAL.framework/Versions/1.11/Python/2.7/site-packages', 
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python27.zip', 
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7', 
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-darwin',
  
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac',
  
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/plat-mac/lib-scriptpackages',
  
 '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python', 
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-tk',
  
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-old',
  
 '/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/lib-dynload',
  
 '/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC',
  '/Library/Python/2.7/site-packages', 
 '/Library/Python/2.7/site-packages/PIL', u'/Users/joris/.qgis2//python', 
 '/Users/joris/.qgis2/python/plugins/geopunt4Qgis/ext-libs', 
 '/Users/joris/.qgis2/python/plugins/mmqgis/forms', '.', 
 '/Users/joris/.qgis2/python/plugins/QuickMultiAttributeEdit/forms', 
 '/Applications/QGIS.app/Contents/Resources/python/plugins/fTools/tools']

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[Qgis-user] Which settings for mesuring tool?

2015-05-17 Thread Joris Hintjens 
Hello
I have 2 point  in Portugal
my project CRS is pseudo Mercator (EPSG 3857)
When I create a buffer of 30 km around my points layer cars is also EPSG 3857), 
I get Two nice circles (layer also CRS 3857). When i measure the circles, they 
are 45 km in diameter. What can be wrong?

What settings shouldI in general use for the measuring tool?

thanks for your comments
Joris

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[Qgis-user] Fwd: Multy field labels

2015-05-17 Thread Piotr Kania 
 I have polygon layer in spatialite base, I need to have a label 
combined from few fields, I use:


coalesce(SITE_TYPE_CD)  ||  coalesce(MOISTURY_CD)  || 
coalesce(STAN_SIEDLISKA_KOD)  ||  coalesce(TD)  || '\n' || 
coalesce(SOIL_SUBTYPE_CD)  ||  coalesce(GLEBA_ODM1)  || '-' || 
coalesce(STOP_WODY)  || '-' ||  coalesce(SOIL_SPECIES_1_CD)  || 
coalesce(SOIL_LEVEL_1_CD)  ||  coalesce(SOIL_SPECIES_2_CD)  || 
coalesce(SOIL_LEVEL_2_CD)  ||  coalesce(SOIL_SPECIES_3_CD)


When there is no coalesce function, the label doesn't show (most of 
the fields has NULL value, as I edit that layer all the time - labels 
show me which features were filled with true values).


I found the solution (about coalesce function) here:
http://gis.stackexchange.com/questions/122199/how-to-display-multiple-fields-as-labels-if-one-field-is-null

--- Treść przekazanej wiadomości ---
Temat:  [Qgis-user] Multy field labels
Data:   Fri, 15 May 2015 18:01:16 +0400
Nadawca:Irakli Ugulava i.ugul...@gmail.com
Adresat:qgis-user@lists.osgeo.org



For physical map need to label summits and elevation points, some of 
them have name some no, so I need to label them from different fields.


when I use expression :

NAME_GEO Â  || Â elev

It works, but summits with no names, (field NAME_GEO is empty), has no 
label at all, according to ArcGis logic they should have only elevation 
on labels.


I try following expression Â
CASE WHEN name_geo is null   THEN NAME_GEO   ||  ELEV  ELSE elev

but it return no labels at all.

Thanks All

--
Irakli Ugulava
Senior GIS Expert, CofounderÂ
GeoLand Ltd.
3Â Telegraph Cule-de-sac
Tbilisi 0105, Georgia,Â
Tel: Â +995 32 922553
Mob +995 99 172016



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