Friday, 1 December 2017

qgis - How to create contours from an IDW raster


I'm new to QGIS and am trying to create vector contours from this IDW raster. I followed Ujaval Gandhi's "Interpolating Point Data" tutorial step by step but am not getting the same results for step 18.The first images is the IDW raster. The second is the contour vectors created from raster->extraction->contours which looks like it created a point for every pixel in the raster.



IDW raster contours vectors




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