Mesh outline a trim surface

Replies to This Discussion

Permalink Reply by Hyungsoo Kim on August 20, 2017 at 7:09am

Have a try "mesh machine".

Attachments:

• TrimmedSurfaceToMesh.gh, 22 KB

Permalink Reply by tube on August 21, 2017 at 4:43am

Dear Hyungsoo Kim 

Thank you for your reply but i couldn't  find how can we apply mesh outline with this algorithm?

please tell me more about this.

Permalink Reply by Hyungsoo Kim on August 21, 2017 at 5:04am

What do you exactly mean by "mesh outline"?

You need to be more specific about the use of your thought.

Permalink Reply by tube on August 21, 2017 at 5:49am

did you see Mesh outline command in Rhino?

you can see attachment.

Attachments:

• Mesh Outline a trim surface.3dm, 198 KB

Permalink Reply by Hyungsoo Kim on August 21, 2017 at 6:40am

 Regardless of the rhino command you know, here are some terms you should use.

The data you uplode is a "trimmed surface", not a "mesh".

Permalink Reply by tube on August 21, 2017 at 7:06am

I want to make meshoutline from a trimmed surface like rhino with Grasshopper

Permalink Reply by Hyungsoo Kim on August 21, 2017 at 7:24am

If you insist, check this as well.

Attachments:

• Brep&MeshEdges.gh, 19 KB

Permalink Reply by tube on August 21, 2017 at 8:13am

Thank you very much.

but with some surfaces i have a problem with this rout.

Please download attachments.

I want to create outer edges of an open surface. ( like Green curves)

I want to convert blue surface to Green curves.

but with your algorithm we can create so many complex curve (Like Red curves)

I do not need curves in middle of surface.

"meshoutline command" in rhino will create curves like Green example and I want to know do you have a rout to do this with grasshopper?

Attachments:

• trim srf Group.3dm, 401 KB
• Trim srf Group.gh, 14 KB

Permalink Reply by Hyungsoo Kim on August 21, 2017 at 8:33am

 

Attachments:

• TrimsrfGroup_re.gh, 9 KB

Permalink Reply by tube on August 21, 2017 at 9:28am

Thank you very much.

for more complex surface "Rhino meshoutline" works very nice but grasshopper will not work.

please check more complex surface.

Attachments:

• More complex srf.3dm, 556 KB
• TrimsrfGroup_re.gh, 7 KB

Permalink Reply by Hyungsoo Kim on August 21, 2017 at 9:52am

Are you asking me for possible answers to your bad data every time?

If so, just use the Rhino command.

This time, there are several overlapping surfaces so, the joined poly-surface is not clean.

Permalink Reply by tube on August 21, 2017 at 9:58am

Thank you very much for your answer.

you are right.

it is very interesting for me that Meshoutline works for every surfaces.

Maybe I should edit my overlapped surfaces and then apply grasshopper commands to theme.

Thank you for your attention.

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