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Old 14th November 2003, 10:21 AM   #1
Andy
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Default Boolean/CSG plugin - new version

Jeff has made a new version of the excellent CSG/Boolean plugin which fixes a problem that Foxa reported (hanging on some operations).

It is available from:

http://ac3d.org/ac3d/temp/csg20031110.zip

Please let us know if you experience any other problems.

Andy
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Old 28th December 2003, 09:35 PM   #2
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Default Re: Boolean/CSG plugin - new version

Hi Andy,

I'm fairly new at 3D modelling but I've learned a lot so far. In my tinkering with the program I've noticed how useful the boolean function can be. Unfortunately, after scrolling through the manual and the forum I have yet to find any kind of description on how to use the boolean window. Can you please point me in the right direction? My understanding of boolean commands comes from the electronics industry and I have a feeling that may be a totally different animal than the 3d world.
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Old 29th December 2003, 02:22 AM   #3
Cowboybebop
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Default Re: Boolean/CSG plugin - new version

Union combines the 2 objects to make one object

Intersect- Is to take to shapes and combine them where they touch to make a brand new object. Shows you how it works best when you click delete originals by checking the delete boxes. If you don't desire to delete the new object is highlighted just drag it away to check it out.

Then you have subtraction, example take a star(object A) and delete from object B (a square) the shape of the star were they intersect. So if you make sure that the star is breaking the plane of the box your box gets a imprint of a star on it. And vice versa(A-B/B-A subtraction)

Try experimenting with acouple of spheres or boxes, let me know how it goes for you.
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Old 29th December 2003, 03:07 PM   #4
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Default Re: Boolean/CSG plugin - new version

Thanks for the tips Cowboy, I think I have the hang of it now. One thing that may be helpful to others is how to define each object. I found that selecting each operand box and selecting the object on the screen automatically inputs the proper object to apply the operand to. Then I just played with the options until I got what I wanted.
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Old 29th December 2003, 05:03 PM   #5
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Default Re: Boolean/CSG plugin - new version

Yeah, sorry I assumed you knew that part and was confused on the options.
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Old 29th December 2003, 06:16 PM   #6
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Default Re: Boolean/CSG plugin - new version

It seems to work pretty good if you keep it simple. I subtracted half of a 16 segement sphere from a box of the same size and results were not good. The sphere was centered on origin and the box was placed with one face on origin and centered on origin in the other two axis.
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Old 29th December 2003, 10:17 PM   #7
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Default Re: Boolean/CSG plugin - new version

Willy - I just reproduced this issue. I'll try to have it fixed shortly. Unfortunately 'shortly' by my time table may put it at the end of January...

I've already got some ideas for why this is happenning.

Thanks for the report,
-- Jeff
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Old 30th December 2003, 12:05 AM   #8
Willy
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Default Re: Boolean/CSG plugin - new version

You're Welcome. :lol:
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Old 30th December 2003, 06:58 AM   #9
baders
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Default Re: Boolean/CSG plugin - new version

Andy it is asking for a password when installing this plugin, I have no idea which password. I have a licenced AC3D. Just wondering what is happening.
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Old 30th December 2003, 09:59 AM   #10
Thaellin
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Default Re: Boolean/CSG plugin - new version

I don't remember the ZIP archive being password protected - try either hitting enter (no password) or try logging into the computer with an account that has write access to the AC3D plugins directory (an administrator account, perhaps).

Or have an administrator unzip/install the plugin.

Good luck,
-- Jeff
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