Problems set transparency not supported with software OpenGL histogram2

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Alberto Mora 2018-6-4

回答： Walter Roberson 2018-6-4

When I try to modify the transparecy of a histogram2 using FaceAlpha, Matlab (2017a accademic licence) return the warning:

Warning: Transparency is not supported with software OpenGL renderer.
Consider setting figure renderer to 'painters'.

I do not understand the warning. How do I set properly the transparency?

Walter Roberson 2018-6-4

set(gcf, 'Renderer', 'painters')

MATLAB Graphics Formatting and Annotation 3-D Scene Control Lighting, Transparency, and Shading

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