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Vertex while in Box Select and Circle Select appear where they aren't supposed to
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System Information
Windows 7 Ultimate. Not a graphic card issue, because it worked on previous versions and was also tried on several other PCs and same problem

Blender Version
Broken: 2.75 and 2.75a
Worked: 2.70 (sorry was a while before I had internet back to update)

Short description of error
Vertices appear at random points on the mesh when ever there is a mirror modifier and the Circle Select tool or the Box Select tool are used. and some instances it even happens when just selecting a vertex to manipulate. It isn't a big issue, but I felt I had better let yall know. It can get annoying, but it is livable.

Exact steps for others to reproduce the error
Based on a (as simple as possible) attached .blend file with minimum amount of steps
Simply add a mirror modifier to a mesh (like a cube) and loop cut it to give it more vertices.
Then try to select a small group of about 4 or more vertices using either Circle Select tool or the Box Select tool..

You should see a random vertex pop up on an area of the mess not selected. On a complex mesh this could put vertices in odd places causing loss of time and countless redos, lol (I know had to do it multiple times)

Now this doesn't happen when the "Mirror" modifier isn't on.

Also side note: it stops after you "Apply" or remove the modifier.

Thanks for the assist and I love using Blender. This will not stop me from using it, lol. I'm a big fan :)

Event Timeline

Tim Krazashell (IamKraZ) claimed this task.
Tim Krazashell (IamKraZ) raised the priority of this task from to 90.
Tim Krazashell (IamKraZ) updated the task description. (Show Details)
Tim Krazashell (IamKraZ) edited a custom field.

cant reproduce this from your description, for Blender 2.75 or 2.75.4 on Arch Linux.

Julian Eisel (Severin) lowered the priority of this task from 90 to 30.Aug 15 2015, 3:35 PM

Can't reproduce from your description either. Please provide a .blend demonstrating the issue, with precise steps to reproduce.

Please provide a blend file saved in the problematic selection state.

Campbell Barton (campbellbarton) changed the task status from Unknown Status to Unknown Status.Aug 24 2015, 7:51 AM

No test file provided.