﻿id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	notify_on_close	platform	project
2317	"OpenGL buffer ""None"" was not deleted"	goddard@…	Tom Goddard	"{{{
The following bug report has been submitted:
Platform:        Darwin-18.7.0-x86_64-i386-64bit
ChimeraX Version: 0.91 (2019-08-06)
Description
Buffer not deleted error after moving volume threshold back and forth on histogram to ends of range, then stopping in middle and selecting surface.  This test case was discovered by Tristan Croll.

Log:
UCSF ChimeraX version: 0.91 (2019-08-06)  
© 2016-2019 Regents of the University of California. All rights reserved.  
How to cite UCSF ChimeraX  

> open 1a0m format mmCIF fromDatabase pdb

1a0m title:  
1.1 angstrom crystal structure of A-conotoxin [TYR15]-epi [more info...]  
  
Chain information for 1a0m #1  
---  
Chain | Description  
A B | α-conotoxin [TYR15]-epi  
  
Non-standard residues in 1a0m #1  
---  
NH2 — amino group  
  
  

> molmap #1 3

> surface zone #2 nearAtoms #1 distance 2

> select #2

2 models selected  
Exception ignored in: <function Buffer.__del__ at 0x11a6f2b90>  
Traceback (most recent call last):  
File ""/Users/goddard/Desktop/ChimeraX Aug 6
2019.app/Contents/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-
packages/chimerax/core/graphics/opengl.py"", line 2440, in __del__  
% self.shader_variable_name)  
chimerax.core.graphics.opengl.OpenGLError: OpenGL buffer ""None"" was not
deleted before core.graphics.Buffer destroyed  




OpenGL version: 4.1 ATI-2.11.20
OpenGL renderer: AMD Radeon Pro 580 OpenGL Engine
OpenGL vendor: ATI Technologies Inc.

}}}
"	defect	closed	normal		Graphics		fixed		tic20@…				all	ChimeraX
