[Chimera-users] Click-and-drag selection still not working for chimera in Mac OSX....any plans for improvement

Tom Goddard goddard at sonic.net
Wed Jul 25 16:06:34 PDT 2018

Hi Carmen,

  Certain Mac laptops with Intel graphics from circa 2015 have a graphics driver bug that Chimera prevents drag select from working atoms and sticks (although it works in wire style display).  Unfortunately Apple abandoned effort on the OpenGL graphics library years ago in favor inventing their own new graphics library called Metal.  Chimera has to work on Windows and Linux in addition to Mac so we do not use the Apple-only Metal library.  While OpenGL continues to work on Mac computers, I would not expect Apple to fix any OpenGL graphics driver bugs.

  That said, you are running an old macOS version (10.12.2) and you would only get graphics driver fixes with never versions of the operating system.  I doubt the latest macOS 10.13.6 fixes your problem, but I don’t have this relatively rare Mac laptop to test if it is fixed.


> On Jul 25, 2018, at 2:11 PM, Carmen Bayly wrote:
> Hello Chimera users,
> I'm working with Chimera on an OSX 10.12.2 (intel core processor). I noticed that the click-and-drag selection function doesn't work, and saw a bug report from 2015 explaining it was because of the intel processor.
> However, it's 2018 now - does anyone know any fixes besides the wire display style?
> Thanks,
> Carmen
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