How divide a mesh into small pieces and save them separately?

Forums Houdini Indie and Apprentice How divide a mesh into small pieces and save them separately?

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liuyihunter: Member; 5 posts; Joined: March 2018; Offline

Dec. 11, 2018 7:51 a.m.

i try to split a mesh into small pieces by using polySplit Node, Can anyone give me some idea how should i do it? thank you.

Attachments:
15445322701553.png (164.4 KB)
111.png (31.0 KB)


olivierth: Member; 1177 posts; Joined: April 2017; Offline

Dec. 11, 2018 4:09 p.m.

Houdini's help does not even contain any info on how to use the projection curve. I couldn't make it work on my side.

You could use the boolean sop instead. Start by using polyextrude on the curves and boolean the result.

-Olivier


liuyihunter: Member; 5 posts; Joined: March 2018; Offline

Dec. 12, 2018 4:36 a.m.

Cheers!! Boolean works great. Now i need to save these pieces separately with unique file name. Can you give me some advice? which SOP should i use.

Edited by liuyihunter - Dec. 12, 2018 04:37:23

Attachments:
1.png (264.9 KB)
2.png (49.0 KB)
3.png (292.4 KB)


mestela: Member; 1853 posts; Joined: May 2006; Offline

Dec. 12, 2018 7:45 a.m.

Assemble and pack, split sop using @Frame as the group, unpack, file cache a sequence?

http://www.tokeru.com/cgwiki [www.tokeru.com]
https://www.patreon.com/mattestela [www.patreon.com]


liuyihunter: Member; 5 posts; Joined: March 2018; Offline

Dec. 17, 2018 8:44 a.m.

I using “assemble” to divide mesh into pieces, then i try to export each pieces as a unique FBX file within a for-each loop. Obviously my way didn't work, the picture only shows what i am trying to do. so any suggestion? Thank you

Edited by liuyihunter - Dec. 17, 2018 08:44:43

Attachments:
1.png (90.4 KB)
2.png (22.2 KB)
TerrainCutting.hip (153.8 KB)


Benjamin Lemoine: Member; 149 posts; Joined: Oct. 2015; Offline

Dec. 17, 2018 9:55 a.m.

As mestela said :

Attachments:
TerrainCutting01.hiplc (216.9 KB)


liuyihunter: Member; 5 posts; Joined: March 2018; Offline

Dec. 23, 2018 5:34 a.m.

Benjamin Lemoine
As mestela said :

Thanks Benjamin and mestela, now l learned how to use $F as group and file cache sequence. Everything works well

Edited by liuyihunter - Dec. 23, 2018 05:35:08


Benjamin Lemoine: Member; 149 posts; Joined: Oct. 2015; Offline

Dec. 23, 2018 7:06 a.m.

liuyihunter
Benjamin Lemoine
As mestela said :

Thanks Benjamin and mestela, now l learned how to use $F as group and file cache sequence. Everything works well

Very useful indeed ! :-)


liuyihunter: Member; 5 posts; Joined: March 2018; Offline

Dec. 24, 2018 7:47 a.m.

This is the final version, you can set number of rows and cols, Cutting the terrain mesh into small pieces and save them separately. Thank you for everyone who helped me.

Edited by liuyihunter - Dec. 24, 2018 21:44:54

Attachments:
TerrainCutting.hip (157.5 KB)

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