I have a load of Ortho scenery in dds format that I am trying to enhance using a dds compatible editor.

   Without using any conversion to the file type, I do whatever edits I can do.

   I then simply batch process the adjusted files, then once complete, I return them to their original textures folder.

   It sounds good to me, but the sim won't accept them. Any ideas at all please?

8 hours ago, philmurfin said:

   I have a load of Ortho scenery in dds format that I am trying to enhance using a dds compatible editor.

   Without using any conversion to the file type, I do whatever edits I can do.

   I then simply batch process the adjusted files, then once complete, I return them to their original textures folder.

   It sounds good to me, but the sim won't accept them. Any ideas at all please?

You want BC3 compressed data in your DDS. Which historically was called DXT4 per Sid from Laminar.

Thanks Sid!