colorLUT and fillAlpha problem about cornerstone3d HOT 6 CLOSED

Yeah it is a known issue, you can read more here

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@sedghi Thank you for your reply.
So there is no way to have the color act linearly to the opacity.
I want to know why the colorLUT[1] behave differently.

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So no for linear behaviour (as I understand). But colorLUT[1] should not be different than others. I didn't see that in your original post, can you edit your original post and add a bit more explanation?

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@sedghi I have edited my original post .
It seems that the colorLUT[0] affects the colorLUT[1].I try to change the colorLUT[2] from [77, 228, 121, 255] to [77, 228, 121, 0] ,the colorLUT[3] has also changed.

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Do you still see this issue?

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@sedghi Thank you for your reply.
I see that most of this problem has been solved，but the previous color still affects the next color a little.LIke this


When i change the colorLut[2],the colorLut[3] still changed a little.

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