Creating Shaded Relief like the professionals (Phothsop or Gimp)

[Turambar]

Shouldn't having a separate overlay and multiply solve the the color change?

This approach ensures that the highlight layer only lightens the bright areas and the shadow layer only darkens the shadows, thus leaving the base colors in other areas unaffected. It allows for a cleaner look, though it takes a couple extra steps.

I will take a try , usually I use several layers combinations using different blendings according to what I want to exhalt and in combination with masks, but I will have to try your approach to , thankyou for sharing.

Would love to see what you come up with. Though it is not really my approach, as I just wrote down the steps form the video. It is the approach used by Tom Patterson and other professional cartographers at the US National Park Service and USGS.