Hi Jay,

Both of these are MacOS issues, not Chrono.

  *   The Irrlicht rendering in only a quarter of the window is a known issue. 
See for example: https://irrlicht.sourceforge.io/forum/viewtopic.php?p=305617.  
Having said that, it is not clear where the “fix” mentioned there went. 
Apparently not in the Irrlicht 1.8.5 package available for MacOS.  For C++ 
Chrono applications using Irrlicht, we have a work around for this problem: use 
the 
run_app.sh<https://github.com/projectchrono/chrono/blob/main/contrib/appbundle-macosx/run_app.sh>
 script. No such workaround is possible for PyChrono demos.
  *   The Chrono::Sensor module uses the OptiX library and as such requires an 
Nvidia GPU. Not available on the Mac anymore.

--Radu

From: [email protected] <[email protected]> On Behalf 
Of Jay Sun
Sent: Thursday, October 5, 2023 1:35 PM
To: ProjectChrono <[email protected]>
Subject: [chrono] Macbook (m1pro) display issues

Hi,I installed pychrono on the MacBook, ran the demo, found two problems, the 
first is the demo running window is like this. The second is that there seems 
to be no sensor module, so the sensor library cannot be run.
Looking forward to your reply!  Thanks so much!!!

Regard,
Jay
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