Cornell box comparison : PovRay vs. YafaRay vs. Kerkythea

[micheus]

So I made some additional tests and discovered something really strange: in Yafaray when increasing the gamma value, the image look brighter (which is the usual behavior when performing the same action in image processing softwares), but when increasing the "assumed_gamma" parameter in the Pov-Ray file, the image looks more and more darker

Thanks for remember about that.
Because of this behaviour the plugin is really making an adjustment so when we use a value like 2.2 or 1.8 (usual in most settings). We divide the 2.2 value by the assumed_gamma informed in the render dialog.