Maya for 3D Printing - Rapid Prototyping
In this course we're going to look at something a little different, creating technically accurate 3D printed parts.
# 1 11-04-2004 , 09:13 AM
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Boolean Problem

On more than one occasion, while doing polygon booleans I get and error dealing with ResolveNonSolidShell and both of my geometries dissapear. Has anyone encounted this before? I tried doing some testing to see what was making it do this, but I'm not getting anything user added image Any help would be appreciated.

# 2 11-04-2004 , 11:31 AM
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make sure both objects are intersecting properly, and careful about the order of selection

# 3 11-04-2004 , 04:16 PM
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I know for sure they're intersecting and I'm selecting them right. Whats weird is both pieces are dissapearing. Any other theories?

# 4 11-04-2004 , 04:56 PM
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yea make sure their normals are facing the same direction

# 5 11-04-2004 , 11:13 PM
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Nope user added image That was one of the things I checked and I just double checked it now. Normals are good to go, but both objects are still dissapearing. I'm stumped.

# 6 12-04-2004 , 04:05 PM
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I was actually having some Boolean glitches occuring as well. I tried to commit a Boolean on two Polygon objects and when I try to apply it, the entire scene disappeared from the viewpanel.

# 7 12-04-2004 , 04:09 PM
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Kinda sounds like a graphic card problem...


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# 8 12-04-2004 , 09:47 PM
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If it was a hardware problem Kurt, would it still give me an error in maya? Every time it happens I get a ResolveNonSolidShell message. Oh, an I've got a GeForce4 with all the latest drivers user added image
This is turning out to be harder than I thought it would.

# 9 12-04-2004 , 11:06 PM
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still thinking on what it could be.... my booleans worked fine used them today....

Are you sure both objects are definatly insecting one another?


I am enough of an artist to draw freely upon my imagination, knowledge is limited, imagination encircles the world. (Albert Einstein)

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# 10 12-04-2004 , 11:32 PM
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My booleans work fine as well, except in these few instances. I've done about 10 different tests and the boolean always works, except when I try in on this specific Geometry. I've attached the file where it isnt working. As you'll see trying to do a difference boolean (subtracting the stretched cube from the other model) results both disappearing, or it does for me. Could someone possilbly take a look at it and see if it does the same for someone else?

Edit:: To clear it up, if the objects were'nt intersecting, then only the second object selected would disappear, not both. So I'm sure it isnt that.

Attached Files
File Type: mb boolean problem.mb (49.5 KB, 319 views)
# 11 13-04-2004 , 12:02 AM
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Ok dude.... figured out what was wrong.. even though your geometry edges looked like they where all closed off, you had a few edges that where not merged and had 1 or 2 extra faces..

This was causing maya not to make the operation work.. Heres a file i did for you a added a few edges hope you dont mind... worked first time for me chang it anyway you need. And you mght want to add a few more edges to make the goe nice and clean with quads you have a few 5 side faces still.

Attached Files
File Type: mb boolean problemkurt.mb (58.1 KB, 333 views)

I am enough of an artist to draw freely upon my imagination, knowledge is limited, imagination encircles the world. (Albert Einstein)

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# 12 13-04-2004 , 12:08 AM
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Awesome! I knew it had to be something stupid. Thanks a bunch for looking at it. Yeah, the geometry hasn't been cleaned up yet, had planned on doing that after I got everything made. Anyways, thanks again!

# 13 16-05-2004 , 01:05 AM
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I'm having this problem repeatedly. Is there a way to automatically close edges?

# 14 16-05-2004 , 08:32 AM
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Only thing I can think of is select all your vertices and them merge them with a pretty low setting on.

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