id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
1234	Showing volume bounding box causes traceback	Tristan Croll	Tom Goddard	"- Load a volume
- click the ""Show outline box"" button

Traceback:

{{{
Traceback (most recent call last):
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/updateloop.py"", line 71, in draw_new_frame
view.draw(check_for_changes = False)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/view.py"", line 165, in draw
self._draw_scene(camera, drawings)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/view.py"", line 214, in _draw_scene
draw_opaque(r, mdraw)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 1327, in draw_opaque
_draw_multiple(drawings, renderer, identity(), Drawing.OPAQUE_DRAW_PASS)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 1342, in _draw_multiple
d.draw(renderer, place, draw_pass, selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 637, in draw
self._draw_children(renderer, pp, draw_pass, selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 668, in _draw_children
d.draw(renderer, place, draw_pass, selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/map/volume.py"", line 617, in draw
Model.draw(self, renderer, place, draw_pass, selected_only = selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 637, in draw
self._draw_children(renderer, pp, draw_pass, selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 668, in _draw_children
d.draw(renderer, place, draw_pass, selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 632, in draw
self.draw_self(renderer, place, draw_pass, selected_only)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 656, in draw_self
self._draw_geometry(renderer, selected_only, opaque_only = any_transp)
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 680, in _draw_geometry
self._create_vertex_buffers()
File ""/home/tic20/apps/chimerax/lib/python3.6/site-packages/chimerax/core/graphics/drawing.py"", line 1078, in _create_vertex_buffers
self._draw_selection = _DrawShape(self.name + ' selection', vb)
TypeError: unsupported operand type(s) for +: 'NoneType' and 'str'
}}}"	defect	closed	blocker		Graphics		fixed						all	ChimeraX