[Chimera-users] mouse drag selection not working

Tom Goddard goddard at sonic.net
Mon Oct 19 10:23:40 PDT 2015

Hi Joel,

  Broken drag select is a bug in the Mac graphics drivers with Intel graphics.  I reported it to Apple about 14 months ago (Apple bug 18102609, the OpenGL  glPolygonMode() call does not work).  Nvidia graphics does work on the Mac.  Apple has not even commented on the bug.  They probably will not fix it because it is rarely used.  One ugly way to make drag select work is to display molecules in “wire” style.  Here is the Chimera bug report for this issue:



> On Oct 18, 2015, at 10:39 AM, Joel Meyerson <jmeyerson at brandeis.edu> wrote:
> Hi,
> I'm unable to click-and-drag to select objects in the latest version of Chimera. Specifically, when I hold 'ctrl' and drag over an object, no selection is made. This is something that worked just fine in previous versions of the program. Any suggestions on how to fix the issue?
> I'm using Chimera production version 1.10.2 (build 40686) and running Mac OS X 10.10.4.
> Thanks,
> Joel
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