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Maniphest T49888

Can't Zoom out on Mac OS with Trackpad / Crash
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Description

System Information
Mac OS 10.11.5 / NVIDIA GeForce GT 650M 1024 MB / MacBook Pro Retina 2012

Blender Version
Blender 2.7.8

Short description of error
After zooming in max cursor starts re-entering viewport on opposite edge and panning as well as zooming stops working completely. Only fix is to use View menu : View all, but only temporary. After having zoomed in to the max once even after View all the app will produce errors panning and zooming and eventually become unresponsive.

Exact steps for others to reproduce the error
Occurs 100 percent of the time. For easier reproduction of condition set Drag Threshold to 40

Fresh installation of Blender or ""Factory Settings.
Enable "Emulate 3 Button Mouse.
Max zoom into default cube or scene using option-ctrl drag
Lift finger off trackpad after zoom to produce condition.

Continued attempts to zoom out will eventually leave the app unresponsive altogether so that it will have to be force quit.

This bug has been reported in various other instances for years (http://blender.stackexchange.com/questions/644/why-does-the-zoom-sometimes-stop-at-a-point). All indications seem to point towards a depth value overflowing.

Event Timeline

Arthur Roolfs (caxix) created this task.Oct 31 2016, 2:58 AM
Bastien Montagne (mont29) added a project: Platform: macOS.Oct 31 2016, 1:43 PM
Aaron Carlisle (Blendify) added a project: User Interface.Feb 2 2017, 6:52 AM
Aaron Carlisle (Blendify) lowered the priority of this task from 90 to Normal.Feb 2 2017, 7:38 AM
Aaron Carlisle (Blendify) added a subscriber: Aaron Carlisle (Blendify).

We need some developer with this hardware to look into this issue.

Aaron Carlisle (Blendify) removed a project: User Interface.Apr 14 2017, 9:44 PM
Brecht Van Lommel (brecht) triaged this task as 30 priority.Jul 24 2017, 1:30 PM
Brecht Van Lommel (brecht) added a subscriber: Brecht Van Lommel (brecht).

Certainly Blender stops zooming at a certain point, as explained in the answer on stack exchange. Re-entering the viewport on the opposite edge sounds like continuous grab. These are not bugs, but a crash would be. However I couldn't reproduce any crash with latest master on macOS 10.12, zooming out again after having zoomed in fully towards the center point works fine for me.

Bastien Montagne (mont29) changed the task status from Unknown Status to Archived.Aug 1 2017, 10:52 PM
Bastien Montagne (mont29) claimed this task.
Bastien Montagne (mont29) added a subscriber: Bastien Montagne (mont29).

More than a week without reply. Due to the policy of the tracker archiving for until required info/data are provided.