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Add get/set color methods for some 3d collections #5598

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Add get/set color methods for some 3d collections #5598

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32 changes: 28 additions & 4 deletions lib/mpl_toolkits/mplot3d/art3d.py
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Original file line number Diff line number Diff line change
Expand Up @@ -363,6 +363,18 @@ def __init__(self, *args, **kwargs):
PatchCollection.__init__(self, *args, **kwargs)
self.set_3d_properties(zs, zdir)

def set_facecolor(self, c):
PatchCollection.set_facecolor(self, c)
self._facecolor3d = self.get_facecolor()
set_facecolor.__doc__ = PatchCollection.set_facecolor.__doc__
set_facecolors = set_facecolor

def set_edgecolor(self, c):
PatchCollection.set_edgecolor(self, c)
self._edgecolor3d = self.get_edgecolor()
set_edgecolor.__doc__ = PatchCollection.set_edgecolor.__doc__
set_edgecolors = set_edgecolor

def set_sort_zpos(self, val):
'''Set the position to use for z-sorting.'''
self._sort_zpos = val
Expand Down Expand Up @@ -390,12 +402,12 @@ def do_3d_projection(self, renderer):
fcs = (zalpha(self._facecolor3d, vzs) if self._depthshade else
self._facecolor3d)
fcs = mcolors.colorConverter.to_rgba_array(fcs, self._alpha)
self.set_facecolors(fcs)
PatchCollection.set_facecolors(self, fcs)

ecs = (zalpha(self._edgecolor3d, vzs) if self._depthshade else
self._edgecolor3d)
ecs = mcolors.colorConverter.to_rgba_array(ecs, self._alpha)
self.set_edgecolors(ecs)
PatchCollection.set_edgecolors(self, ecs)
PatchCollection.set_offsets(self, list(zip(vxs, vys)))

if vzs.size > 0:
Expand Down Expand Up @@ -451,19 +463,31 @@ def set_3d_properties(self, zs, zdir):
self._edgecolor3d = self.get_edgecolor()
self.stale = True

def set_facecolor(self, c):
PathCollection.set_facecolor(self, c)
self._facecolor3d = self.get_facecolor()
set_facecolor.__doc__ = PathCollection.set_facecolor.__doc__
set_facecolors = set_facecolor

def set_edgecolor(self, c):
PathCollection.set_edgecolor(self, c)
self._edgecolor3d = self.get_edgecolor()
set_edgecolor.__doc__ = PathCollection.set_edgecolor.__doc__
set_edgecolors = set_edgecolor

def do_3d_projection(self, renderer):
xs, ys, zs = self._offsets3d
vxs, vys, vzs, vis = proj3d.proj_transform_clip(xs, ys, zs, renderer.M)

fcs = (zalpha(self._facecolor3d, vzs) if self._depthshade else
self._facecolor3d)
fcs = mcolors.colorConverter.to_rgba_array(fcs, self._alpha)
self.set_facecolors(fcs)
PathCollection.set_facecolors(self, fcs)

ecs = (zalpha(self._edgecolor3d, vzs) if self._depthshade else
self._edgecolor3d)
ecs = mcolors.colorConverter.to_rgba_array(ecs, self._alpha)
self.set_edgecolors(ecs)
PathCollection.set_edgecolors(self, ecs)
PathCollection.set_offsets(self, list(zip(vxs, vys)))

if vzs.size > 0 :
Expand Down