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Set force_opaque when adding annotations to Brain #310

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Set force_opaque when adding annotations to Brain #310

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4 changes: 4 additions & 0 deletions surfer/viz.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3372,6 +3372,10 @@ def add_annotation(self, annot, ids, cmap, **kwargs):
l_m = surf.module_manager.scalar_lut_manager
l_m.lut.table = np.round(cmap).astype(np.uint8)

# There is a bug on some graphics cards concerning overlays that is
# fixed by setting force_opaque.
surf.actor.actor.force_opaque = True

# Set the brain attributes
return dict(surface=surf, name=annot, colormap=cmap, brain=self,
array_id=array_id)
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