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How to detect inner edges so as to dissolve them

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Hi;

I'm having a wee bit of a problem trying to get Houdini to detect internal edges so as to dissolve them with a dissolve sop later on. I can have Hou to pseudo-detect these edges through halfedges, but just can't translate it into a viable edge selection to dissolve them.

Any help would be wildly appreciated :)

Thanx and Cheers;

AJ

image.thumb.png.5405f7b38583f6475a074d1cd88ed8e9.png

 

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Posted (edited)

in situation described above, you could use 2 edge group nodes.

First one: selecting all edges

Second one: (with same name) selecting "unshared edges" and set its merge to "substract from existing" - this way you will get automatically selected shared edges. which later on you could pass to dissolve.

 

if you are able to select your half edges in vex already, you probably have their points so you could use function like:

setedgegroup(geoself(), "myedges", srcPT, dstPT, 1); 

to create edge group based on your points.

Edited by tmdag

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alternatively Divide SOP with Remove Shared Edges will do the same

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Thanx so much Albert and Tomas. I got the gist :)

Cheers and thanx again;

AJ

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