If using a display with a gamma larger than 1.0 and running with an assumed
gamma of 1.0 as recommended, you will need to adjust the gamma of the image
being used as an image_map to have a gamma of 1.0 prior to use (*).

In other words the image_map image prior to use should look darker on a
display with a gamma of > 1.0 when you view it with for example photoshop
or similar tool.

There is also a display gamma setting, but unless you have changed it
yourself the default is set up as 2.2 and that is good for most display
systems.

(*) If your image looks 'right' on a display with a gamma of for example
2.2, it is not itself a linear image. Linear image = image with a gamma of
1.0.

Bill

Kyle <hob### [at] gatenet> wrote:

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