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Previously I have saved as a layer file and then imported the symbology from the layer. To save as a layer file right click on the layer in the table of contents and select 'save as layer file'. To import the symbology click on the open folder in the raster properties dialog. then browse to the layer file saved to disc Note: if the layer symbology is ...


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The can use raster.dataProvider().identify() (Using Raster Layers): raster.dataProvider().identify(QgsPoint(x,y),QgsRaster.IdentifyFormatValue).results() The result is a Python dictionary with the band number as key (R,G,B), and the values # number of bands (raster) print raster.bandCount() 3 # iterating over the layer for county in ...


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you seem to have just two cases, so a conditional statment (using map algebra or raster calculator) could help Con( IsNull(C4), float(C1 + C2 + C3)/3 , float(C1 + C2 + C3 + C4)/4) In this case you apply a weighted overlay (with the same weight) that is different with or without NoData in C4. Note that you can change the weights if you want (see below): ...


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You should have a map server to publish postGIS data. I could advise you geoserver and in particular Postgis Raster Plug in. you can find some technical help Here


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Using Raster Calculator in ArcGIS should accomplish this task. Create a new field in your land cover raster and assign indicator numbers to each type (ie, Industrial = 100, Forest = 200, etc). Then add the two raster layers. Your output will have a 3-digit field where the first digit will indicate land cover and the second and third digits will represent ...


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Softree Technical Systems has been working with the University of British Columbia's Mathematics Department on vertical alignment and earthwork optimization technologies. See: http://www.publicaffairs.ubc.ca/2012/12/18/revolutionizing-road-design/ Please refer to our website http://softreeoptimal.com/ for further details or send me an email at ...



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