I want to convert a shapefile (polygons) which contains also 3 attributes (CO,NOX,SOx) with float values.
I used the following command
gdal_rasterize -a CO -a NOx -a SOx -ot Float32 -ts 1000 1000 -l emissions_shp /home/emissions_shp.shp /home/emissions.tif
and the result is a raster file with one band only. It seems that it gets only the last attribute (Sox).