[Gmsh] Extension of geometry modeller

[remacle]

Jonas Forssell wrote:

>Gentlemen,
>
>Congratulations to an excellent program... and it
>keeps getting better!
>
>I have used a similar commersial software to create
>large and complex models (http://www.solvia.se)
>Their geometry modeller & mesher (solvia-pre) is quite
>similar to Gmsh but with one important difference.
>There are some additional geometry commands:
>
>  
>
>>A point can be created from an intersection of
>>    
>>
>curves or curve to surface. Gmsh equivalent would be
>something like Point(5) = {c1,c2} where c1 and c2 are
>curve id:s
>
>  
>
>>A curve can be created from intersection of surfaces
>>A curve can be split into two using a point
>>A surface can be splt using a curve
>>A curve can be created tangent to another curve
>>    
>>
>
>There are more examples, but getting these into Gmsh
>would quickly extend the capability into complex
>models
>
>I have an old manual of Gmsh. Perhaps these have been
>added already. My question is if there are any plans
>to add something like this into Gmsh in the near
>future?
>
>
>  
>
Some of the things you mention are pretty simple to add. We have a 
function that
compute curve-curve intersection e.g. The main issue is surface-surface 
intersection.
I mus confess that the cad modeler of gmsh is pretty ugly.

JF

>Thanks
>/Jonas Forssell, Gothenburg, Sweden
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>
>  
>


-- 
Prof. Jean-François Remacle
Department of Civil Engineering
Center for Systems Engineering and Applied Mechanics
Université catholique de Louvain, Belgium
Tel : +32 10 472082
Fax : +32 10 472210