[Gmsh] Distance measurement of isosurfaces

Christophe Geuzaine cag32 at case.edu
Thu Oct 5 23:47:13 CEST 2006


Kalio Andre wrote:
> Hallo Christophe,
> 
> Thanks for your reply. I will try to explain a little bit more.
> Imagine I have a deformed quadratic prism with a rough surface.
> The dimension are different at every position. 
> I would like to measure the distance between two opposing surfaces.
> Starting with one edge of the deformed quadratic prism I would like to
> measure e.g.distance y=f(x) and z=f(x) by increasing x with a step of
> e.g. 10 Pixel and measure again. I would like to do it for the complete
> structure, which can contain other additional structure(materials)
> inside and outside the described deformed quadratic prism. 
> Is this possible with GMSH? 
> 
> I hope my intention is clear now.


Hi Andre - I think I see what you mean. This is not possible in Gmsh 
(unless of course you decide to modify the source code to add this kind 
of algorithm...).



> 
> Best regards
> 
> Andre Kalio
> 
> 
> -----Original Message-----
> From: Christophe Geuzaine [mailto:cag32 at case.edu] 
> Sent: Saturday 16 September 2006 22:22
> To: Kalio Andre
> Cc: gmsh at geuz.org
> Subject: Re: [Gmsh] Distance measurement of isosurfaces
> 
> Kalio Andre wrote:
>> Hallo,
>>  
>> I have a dataset which contains a 3D struture of different materials. 
>> I have created isosurfaces for the structure and imported these file 
>> via .stl GMSH.
>> The original 3D programm can't do fast measurements of the length, 
>> hide and depth of the 3D structure.
>> So I am looking for a solution to measure distances for the different 
>> strutures in GMSH and to automatize them (e.g. 20 distance 
>> measurements per material  in a structure).
>> Is this possible with GMSH? 
> 
> Hi Andre - I'm not quite sure I understand your question. What do you
> mean by "distances for the different strutures"?
> 
> 
> 
>> If not, are there other programs which can do that?
>>
>> I am looking forward to your reply
>>
>> Best regards
>>
>> Andre Kalio
>>
>> -------------------------
>> Andre Kalio
>> IMEC vzw                
>> (Leuven) Belgium
>> --------------------------
>>
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>>
> 
> 


-- 
Christophe Geuzaine
Assistant Professor, Case Western Reserve University, Mathematics
http://www.case.edu/artsci/math/geuzaine