[Qgis-user] Interpolation not working in UTM projection through Raster menu

Nicolas Cadieux nicolas.cadieux at archeotec.ca
Sun Nov 23 12:24:12 PST 2014


Try saving the .CSV in .shp and try again.  You can use gdal grid also found in the raster gdal menu and probably processing module also. 
http://www.gdal.org/grid_tutorial.html 
Nicolas Cadieux M.Sc. 
Les Entreprises Archéotec inc.  
8548, rue Saint-Denis Montréal H2P 2H2 
Téléphone: 514.381.5112  Fax: 514.381.4995 
Le 2014-11-23 14:48, "hksolanki [via OSGeo.org]" <ml-node+s1560n5174403h54 at n6.nabble.com> a écrit : 

	Dear List, I have a shapefile of wells made from .csv table of points using 'Add delimited text layer' plugin with EPSG:4326 projection. I applied Raster menu>Interpolation tool and it gives fine results using IDW method. Previously also I have used this tool many times with EPSG:4326 projection.  Seeing the need this time of defining the cell/grid size in meters, I converted the shape file's projection to UTM (EPSG:32643) but the result is a raster layer every-time with blank canvas/data. I tried many times but found same result, and then I tried processing tool box for interpolation and it worked fine on shapefile with UTM projection, but during giving inputs in IDW algorithm it is not asking any cellsize/grid size and giving results with a predefined (perhaps) cell/grid size.  Am I missing something? Guidance is requested. Using windows-7, 32 bit, QGIS-2.6 (tried on previous versions also upto QGIS-1.8)       ​Kind Regards​ -- Harish Kumar Solanki, Assistant Professor National Institute of Rural Development & Panchayati Raj (NIRD&PR), Jaipur Center Ministry of Rural Development, Government of India Chaupal, Near Railway Station Jaipur -302006 Geo_Coordinates (Office): 26.92162 N, 75.78921 E Email-  [hidden email] , [hidden email] , Phone (Office)- 0141-2209904, Fax- 0141-2209905 Mo.- 09214446732, 09414291732 Websites-  http://www.nird.org.in/                   http://www.osgeo.org/ SAVE PAPER - PLEASE THINK BEFORE TAKING PRINT ​​ 

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