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invoke system command to convert shapefiles to raster
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| ## invoke system command to convert shapefiles to raster | |
| ## Please install gdal before using this snippet | |
| ## http://www.gdal.org | |
| ## 12000: the width of the output raster | |
| ## 6400: the height of the output raster | |
| ## layer: the attribute field | |
| system(command = 'gdal_rasterize -a input -ts 12000 6400 -l | |
| layer /Users/me/Desktop/input.shp /Users/me/Desktop/output.tif') |
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