This beginner QGIS tutorial explains how to generate contours directly from raster elevation data by using the GdalTools Contour function. I suggest users to complete the tutorial called ‘Using QGIS Plugins’ to find out how to properly install and enable the GdalTools Python Plugin.
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Sample raster elevation data can be downloaded from here.
أكثر...
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Sample raster elevation data can be downloaded from here.
أكثر...