Re: Projective Geometry in a CAD Program

From: Ismo Mäkelä (ismo.makela@deskartes.fi)
Date: Wed Apr 09 2003 - 11:25:09 EEST


Dear Jonathan,

You could try DeskArtes Design Expert, it has all necessary tools to cut
models (surface or STL), project curves to plane, generate 3D objects
from curves and make drawings. Please download an evaluation from
www.deskartes.com.

Best regards,

Ismo Mäkelä

Jonathan Chertok wrote:

> A. Does anyone know of a CAD program within which one can conveniently
> do "projective geometry".
>
> I am hoping for a 3D program within which I can set up a couple of
> "planes" in order to project lines to create a 3D object from a series
> of elevations - or to create a series of elevations from a 3D object.
> I suppose an ability to snap to a plane and to create a perpendicular
> to this line would be useful.
>
> B. Similarly, I am wondering if there is a program within which one
> might have a command "Project Outline" or "Find Points in this
> Section" which would yield information in the form of points or lines
> from which I could construct additional drawings.
>
> Here I am hoping for a 3D program which would allow me to construct a
> 3D shape - take sections or elevations of it - and then construct
> additional drawings using this "section" or "outline" information.
>
> I have tried this in ACAD 2000 but after a lot of noodling around
> it seemed rather unsatisfactory for my needs.
>
> Thanks,
>
> Jonathan Chertok
>
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-- 
*************************************************
Ismo Mäkelä
Managing Director          Makela@deskartes.fi
DeskArtes Oy               www.deskartes.com
Pihlajatie 28              tel. +358-9-644 335
FIN-00270 HELSINKI         fax. +358-9-644 330
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