[GRASS-dev] Re: [grass-code I][329] r.out.gdal: COMPRESS=JPEG yields "ERROR 1: JPEGSetupEncode:PhotometricInterpretation 3 not allowed for JPEG"

[Maciej Sieczka]

Maciej wrote:

> In spearfish:
> 
> $ g.region rast=vegcover
> $ r.out.gdal input=vegcover format=GTiff type=Byte output=tmp/vegcover_jpg.tif createopt=COMPRESS=JPEG
> 
> 100%
> ERROR 1: JPEGSetupEncode:PhotometricInterpretation 3 not allowed for JPEG
> ERROR 1: JPEGSetupEncode:PhotometricInterpretation 3 not allowed for JPEG
> ERROR 1: JPEGSetupEncode:PhotometricInterpretation 3 not allowed for JPEG
> ERROR 1: JPEGSetupEncode:PhotometricInterpretation 3 not allowed for JPEG
> Done!

This bug still applies. I don't know why "format=GTiff type=Byte
createopt=COMPRESS=JPEG" do not work together. The output raster is all
black. According to GeoTIFF spec JPEG compression should work just fine
with integer raster: "JPEG should only be used with Byte data" [1].

[1]http://www.gdal.org/frmt_gtiff.html



You can respond by visiting:
http://wald.intevation.org/tracker/?func=detail&atid=204&aid=329&group_id=21