Set force_opaque when adding annotations to Brain #310
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Similarly to #286, there is a render bug when adding atlas annotations on some chipsets. The solution is the same: set the
force_opaque=Trueflag on the surface actor. Despite its name, this doesn't seem to interfere with setting thealphafor the annotation overlay.Before this PR:
After this PR:
Playing with transparency:
brain.add.annotation('aparc', alpha=0.3)