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i have cut specific image with clipper but when i use clipper inside ,i found it includes my target and also black parts around the image that i need to have .how could i cancel black parts ,and keep only my target image ?

Have you looked at the RasterBandNodataSetter? It will allow you to define the "black parts" as NODATA, rendering them transparent in most clients.

Have you looked at the RasterBandNodataSetter? It will allow you to define the "black parts" as NODATA, rendering them transparent in most clients.

thanks ,it looks what i need and i did nodata value 0 and output in inspector looks great but when i write the output to pdf by pdf writer .it gives me error and unable to write it .

but without using nodata value ,pdf was able to write the image but with black parts .

another hint :i found also some parts of text deleted also after using nodata value . is there another way to remove blackparts only .

could u help me ,thanks again

thanks ,it looks what i need and i did nodata value 0 and output in inspector looks great but when i write the output to pdf by pdf writer .it gives me error and unable to write it .

but without using nodata value ,pdf was able to write the image but with black parts .

another hint :i found also some parts of text deleted also after using nodata value . is there another way to remove blackparts only .

could u help me ,thanks again

Can you share the complete error message please.

thanks ,it looks what i need and i did nodata value 0 and output in inspector looks great but when i write the output to pdf by pdf writer .it gives me error and unable to write it .

but without using nodata value ,pdf was able to write the image but with black parts .

another hint :i found also some parts of text deleted also after using nodata value . is there another way to remove blackparts only .

could u help me ,thanks again

hello ,now i am confused . after using RasterBandNodataSetter .it shows me in inspector without nodata ,without black parts but when i write it to pdf by pdf writer.i found,i get now outpu (no error ) but with black parts .what is wrong here?

could you provide me with an example for workspace ,if you do not mind

 

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