Dear Helmut, On 06/11/17 08:22, Helmut Kudrnovsky wrote: > not really an answer, but the data documentation says: > > "Output format: GRIB 1, rotated spherical" > > a quick web search shows some hints to handle such data.
Looking at the reference model manual: http://www.cosmo-model.org/content/model/documentation/core/cosmoDyncsNumcs.pdf at page 25, there are some equation to transform the rotated spherical coordinates back and forward, see the attached image. Are these the hints that you mentioned in your previous reply? Should I convert the raster in to a x_s, y_s, z list of points and write a function to convert the spherical coordinates (x_s, y_s) values defining my own python script to apply the transformation function and generate the lat, lon, z triplet of values, to be imported into a WGS84 location? Any better approach/idea? Thank you for the support. Best regards Pietro
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