[Gmsh] gmsh bug in Circle ??

Shawn Nipun shawn.3531 at gmail.com
Thu Mar 12 12:31:49 CET 2015


Very simple. Since you are trying to make a cylindrical line between points
1 and 3 and the center is 2, the distance between point (1 and 2) and (2
and 3) should be equal. This could be your solution.

lc = 1;

Point(1) = {0, 50, 0, lc};

Point(2) = {90.0,-42.0,0,lc };

Point(3) = {180.0,50,0,lc};

Circle(1) = {1, 2, 3};

[image: ইনলাইন চিত্র 1]

2015-03-12 11:55 GMT+01:00 Maiheu Bino <bino.maiheu at vito.be>:

>  Dear,
>
>
>
> I’m not entirely sure if I’m going mental now (:-s), but I’m trying to
> create a very simple circle :
>
>
>
> lc = 1;
>
> Point(1) = {0, 50, 0, lc};
>
> Point(2) = {90.0,-42.0,0,lc };
>
> Point(3) = {154.0,93.0,0,lc};
>
> Circle(10) = {1, 2, 3};
>
>
>
> However, for some bizarre reason, the circle doesn’t go through my 3th
> point. See screenshot below… I have absolutely no idea what goes wrong
> here. Maybe I’m missing something ??? I don’t really get any errors as
> well. I’m using gmsh 2.8.5 on windows 64 bit. But I’ve tried with the linux
> version as well, same problem. At first I though I had made some mistakes
> in some calculation I was doing before, but when I stripped everything down
> to the bare coorinates (see .geo above), I get the same error…
>
>
>
> Many thanks for any light you can shine on this.
>
>
>
> Kinds regards,
>
> bino
>
>
>
>
>
>
>
> Bino Maiheu, Ph.D.
>
> Researcher Atmospheric Modelling
>
>
>
> Unit RMA - Environmental Modelling
>
> VITO NV | Boeretang 200 | 2400 Mol
>
> Tel. +32 14 33 67 45 | fax +32 14 33 67 99 | *bino.maiheu at vito.be
> <voornaam.naam at vito.be>*
>
>
>
> "*Do or do not... there is no try*" -- Yoda
>
>
>
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-- 
Shawn Shakahwat Millat
Master of Science in Nanoelectronics System
Faculty of Electrical and Computer Engineering
Dresden University of Technology
Schnorrstarße 38, Room no: 0502
01069, Dresden
Germany.
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