![]() The main trouble is with cropped areas: in the case of a close up on France, the isolines are not closing into a circle as for Islands or continents but open lines, so there are partial parts of the polygons (as the quarter of a circle) whose' relevant fill -a 1/4 pie- appear as a filled arc (see bug below). Unfortunally, gdal_contour generates vertor iso lines, which are not suitable. Gdal_contour -a elev -fl -500 -200 0 4000 crop.tif contours.shp Using the libs curl, unzip, gdal, my current worflow is as follow. I currently crop my source raster ETOPO using gdal_translate then get levels with gdal_contour. ![]() Works seamlessly with Illustrator, Corel, and others. Supports all the Online Edition file formats, plus AI and DXF output. Current workflow: gdal_contours alone is not suitable. Desktop Stand-alone desktop application to convert bitmap images to vector images offline. I haven't clues how to do that, but it sound promising! (should work) If you can provide the solution to one of the points 2, 3, 4, It will be really appreciated ! and I will be happy to then open a specific question where I will validate your helpful answer.ģ. Try other applications Image Vectorizer is intended to convert JPG, PNG, BMP, TIFF, ICO, and GIF bitmap images to vector graphics based on geometric figures.
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