Is there any way to change OpenGL properties when rendering a surface?

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Cristi
Cristi 2017-1-26
回答： Tectract 2022-4-28
Hi,
Is there any way to change OpenGL properties when rendering a surface in Matlab, especially depth peeling? Here an example on how the surface looks like with alpha = 0.5 in Matlab (left) and depth peeling on a different platform (right).
Thanks,
Cristi

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回答（2 个）

Sally Al Khamees
Sally Al Khamees 2017-2-3
If I understand your question correctly, the list of properties returned by opengl are:
>> opengl('info')
Version:
Vendor:
Renderer:
RendererDriverVersion:
RendererDriverReleaseDate:
MaxTextureSize:
Visual:
Software:
HardwareSupportLevel:
SupportsGraphicsSmoothing:
*SupportsDepthPeelTransparency*:
SupportsAlignVertexCenters:
Extensions:
MaxFrameBufferSize:
the SupportsDepthPeelTransparency returns 1 if is supported and 0 otherwise.
You can refer to this document for more information on depth peel support https://www.mathworks.com/help/matlab/ref/opengl.html
And this for specifying rendering techniques: https://www.mathworks.com/help/sl3d/specify-rendering-techniques.html?
I hope that helps
Tectract
Tectract 2022-4-28
I ran into this same problem. DepthPeelTransparency is causing weird issues with surf() function EdgeAlpha displaying incorrectly or diffent, on my new system.
you can use the command:
opengl hardwarebasic
to revert to the older-style or more basic style rendering that does not use DepthPeelTransparency
use the command:
opengl hardware
to revert this change in rendering back to using your full GPU capabilities including DepthPeelTranspancy

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