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As a first example,
below shows the result of the conversion (rasterization) of a road (black) and river (blue) layer for different resolutions. As we can see, the lower the resolution (i.e. larger raster grid size), the higher the risk to generate an overlap between roads and the rivers, therefore creating artificial “bridges” (red arrows) that do not exist in reality.
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| caption | Example of rasterization of a road (in black) and river (in blue) segments (a) at a resolution of 180 meters (b) and 1 kilometer (c) with the indication of artificial passages (red arrows) that gets created |
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