[Gmsh] R: [gmsh] "silly" question

[Alessandro Vicini]

Thank you Max… Yes, I’d given a try to picture meshing, but that’s not the way to go. As you say I guess it’s necessary to build the 3d letters beforehand, and then use gmsh only for the meshing part…

A.



Da: Max Orok [mailto:morok at mevex.com]
Inviato: mercoledì 29 maggio 2019 18:09
A: Alessandro Vicini
Cc: gmsh at onelab.info
Oggetto: Re: [Gmsh] [gmsh] "silly" question

Hi Alessandro,

The most straightforward way I can think of would be to use a CAD program to make the 3D letters, export the model as STEP and then mesh that. Tinkercad is one free option (I think you need to make an account).

There is an interesting script on Prof. Geuzaine's site (upper left corner) for meshing a picture:
http://www.montefiore.ulg.ac.be/~geuzaine/<https://urlsand.esvalabs.com/?u=http%3A%2F%2Fwww.montefiore.ulg.ac.be%2F~geuzaine%2F&e=9895bfa0&h=674c6c3c&f=y&p=y>

When I tried to use this script with a picture of text:
[image.png]

the result was extremely dense (the mesh lines are so dense they look solid yellow), so it's not as easy as swapping out the picture, some further tweaks are required to the background mesh scaling values probably.

[image.png]


Sincerely,
Max



On Wed, May 29, 2019 at 4:17 AM Alessandro Vicini <alessandro.vicini at sitael.com<mailto:alessandro.vicini at sitael.com>> wrote:

I would like to generate a 3d mesh for the volume obtained by extrusion of a text. So what I need to do is to import the text (as an image?) in gmsh, convert it somehow in a 2d geometry and then extrude it…
Is this possible? Thank you.

Alessandro
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Max Orok
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