How can I create a PGW file instead of a WLD file during conversion from GEOTIFF to PNG?

The pgw file is just a wld file with a different extension.

You'll have to either use a filecopy writer or a system caller to create the pgw. I'd recommend swapping the writer for a feature writer, you can then use the output to trigger a systemcaller or send to a file copy writer

Create with filecopywriter (original wld file remains)

Rename with system caller - wld file renamed

Thank you!

If you are writing several png's at once, the names of them are returned in a list from the summary port of the FeatureWriter, this needs to be exploded so that you rename the wld file for each output png

Thank you! It nearly worked.

C:\\Windows\\system32\\cmd.exe /c "ren "OutputFldr\\*.wld" "*.pgw""

I got the desired PNG+PGW files.

BUT I always get an fatal error that the PNGRASTER writer failed to obtain raster from feature. "Only features with raster geometry are expected"

I can't find the problem...

Can you share a screen print of your workflow, it sounds like you're sending a non raster feature to the png writer

Edit: you've already written the file with the featurewriter, there is no need for the original writer after the system caller. You are sending a non raster feature into that writer, hence the message.

Thank you so much! It works!

If you're using the rename statement posted above, you don't actually need to explode the list, you can just go straight to the systemcaller

Do you mean that one?:

C:\\Windows\\system32\\cmd.exe /c "ren "OutputFldr\\*.wld" "*.pgw""

Yes, that will rename all files with extension wld to pgw. So you only need to call it once, not once per png