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Old 08-16-2009, 10:00 AM   #1
wikiiiii
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Are there any CAD for build tri-dimension model in linux?


1. I want to gather data from a equipment. Perhaps content millions of data.

2.Rebuilt these data by math method.

3.Use software to reconstruct the data in two-dimensional graphics, tri-dimensional graphics is the best.

4.Choose another model and by some technique to collect the tri-dimensional shape, then use the same method to reconstruct it in computer.

5.Match them to see if they are fit.

Are there any CAD for build tri-dimension model in linux?
 
Old 08-16-2009, 10:24 AM   #2
wikiiiii
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nobody knows?
 
Old 08-16-2009, 10:26 AM   #3
GrapefruiTgirl
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There are lots of CAD programs for Linux. I've personally only used Qcad, which is 2D only, but have a look through the following links for more information; of these, some are non-free, some 2D and some 3D, while some may be in various stages of completion/usefulness, but Google can point you to lots of other examples besides these:

http://www.linux.org/apps/all/Graphics/CAD/CAM.html
http://www.roseindia.net/linux/linux-cad-software.shtml
http://www.cycas.de/

I found Qcad by Google + trial&error, and found it to be somewhat complicated, but ultimately fairly decent.

As to which, if any, program will fit *all* of your needs, I cannot comment. You might need to break the job(s) into sections, which then can each be dealt with by the most appropriately suited application.

Good luck,
Sasha
 
Old 08-16-2009, 10:28 AM   #4
GrapefruiTgirl
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Patience is a virtue

Quote:
Originally Posted by wikiiiii View Post
nobody knows?
Please be patient! You only waited 24 minutes for an answer. It might be days before somebody who REALLY knows what they're talking about, comes in with advice.

Sasha
 
Old 08-16-2009, 11:41 AM   #5
mostlyharmless
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Is the data analysis for the wavefront and corneal topography units on your sig's link? If you are doing that kind of work, you might want to look at maxima or macsyma or whatever they're calling themselves these days, or a commercial program such as Mathematica.
 
Old 08-16-2009, 11:56 AM   #6
wikiiiii
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Originally Posted by mostlyharmless View Post
Is the data analysis for the wavefront and corneal topography units on your sig's link? If you are doing that kind of work, you might want to look at maxima or macsyma or whatever they're calling themselves these days, or a commercial program such as Mathematica.
are there any tri-dimension model construction software that can return to the original condition or shape of a object in computer?
 
Old 08-16-2009, 05:01 PM   #7
knudfl
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Free 3D CAD software :
http://www.craftsmanspace.com/resour...-software.html

BRL-CAD 7.14.8
http://freshmeat.net/projects/brl-cad
 
Old 08-17-2009, 02:28 PM   #8
mostlyharmless
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Quote:
are there any tri-dimension model construction software that can return to the original condition or shape of a object in computer?
If you know how the data points are arranged, it shouldn't be hard to reconstruct an image. For example, topography images often are radii and heights at evenly spaced angles with underlying polar coordinates rather than cartesian triplets. The data set usually is grouped by each ring of data points. You can use the 3D plotting routines of any of the programs mentioned to reconstruct the image.
 
  


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