id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
147	Ribbon: list index out of range	Tom Goddard	Conrad Huang	"Error showing ribbon produced by the following two commands.

open 5a5b
ribbon


graphics update callback raised error
Traceback (most recent call last):
  File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/graphics/view.py"", line 600, in _call_callbacks
    cb()
  File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/atomic/structure.py"", line 183, in _update_graphics_if_needed
    self._create_ribbon_graphics()
  File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/atomic/structure.py"", line 392, in _create_ribbon_graphics
    back_c, back_t, back_n = ribbon.segment(i, ribbon.FRONT, seg)
  File ""/Users/goddard/ucsf/chimera2/Chimera2.app/Contents/Library/Frameworks/Python.framework/Versions/3.4/lib/python3.4/site-packages/chimera/core/atomic/ribbon.py"", line 120, in segment
    xc = self.coefficients[0][seg]
IndexError: list index out of range
"	defect	closed	major		Depiction		fixed						all	chimera