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I'm coding an algorithm which uses as an input a map from QGIS. The software has been implemented in C++ and my idea is to convert, automatically, a shapefile into a raster one.

Is there any function in C++, from the QGIS api, to perform this task automatically? Besides: is there any data structure in the QGIS framework to handle matrices which comes from raster files?

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I wasn't able to locate an API method in QGIS to do it, but there is a GDAL function: GDALRasterizeGeometries (there are a couple of variants.) This method is used internally by gdal_rasterize.

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