How do I fix self-intersecting meshes?

[umar-hossain]

Hi,

I recently downloaded and built Geogram using the instructions after seeing this tweet. How do I do the same thing with a tricky mesh of my own?

I can't seem to find any info in the wiki. Thank you for any help.

[BrunoLevy]

Hi,
This feature is currently under development, normally it is reasonably robust, but you may still encounter some issues with it.
There is a new example that you can use like that:

$intersect inputmesh remove_internal_shells=true

The result is saved in out.obj
Do not hesitate to tell me if it does not work.
-- Bruno

[umar-hossain]

I'm not great at programming or using the command line - I have compiled GraphiteThree and loaded my faulty mesh into it.

I can see there is a command line at the bottom, but I can't seem to run the command there. If I type in "intersect remove_internal_shells=true" I get the following error:

Is it possible to run this intersect command through GraphiteThree? Is it related to any of the tools in the repair mesh toolbar?

[BrunoLevy]

• the command 'intersect' is in the "surfaces->boolean operations" menu (last one in the menu)
• when you do something from the GUI, use the up arrow on the keyboard in the terminal window to see how to do the same thing programatically
• you can create a '.lua' file with a program executed by Graphite
• more on Graphite scripting here

Hope this helps,
Best,
-- Bruno