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Hello everyone. I have a problem these days that I don't manage to solve by myself. I need to convert a heavy contour file to a detailed raster image. The contour was generated from Lidar data (resolution 1m or 5m) and the area is about 1000 km^2. The objective is to generate a raster with a 10 m resolution using the Top to raster tool. For about 50 km^2 there is no problem at all and the computation quite fast. But for the entire dataset, it is just "impossible". I do not need more memory or CPU. Just Arcgis who is crashing every time. I think I would have to split my data. But this would be a very repetitive work. Anyone here to help me a bit ? Any e-Book of tutorial that could help me ? Until now, I have been using the basic functions of Arcgis. The work I have to do require to learn a bit more I guess. I'm good at progamming in PHP and MATLAB. I don't know python but i don't fear. Thanks in advance.