[Gmsh] problem with BoundingBox Volume{}

[Marco Antolovic]

 Hi Christophe,
It works great!
Thanks for the fast reply.
Best regards,
Marco
    Il mercoledì 17 ottobre 2018, 20:34:00 CEST, Christophe Geuzaine <cgeuzaine at uliege.be> ha scritto:  
 
 

> On 16 Oct 2018, at 23:00, Marco Antolovic <marco_antolovic at yahoo.it> wrote:
> 
> Hi all,
> 
> I'm trying to get the bounding box of a set of volumes grouped in an array (several_volumes()). To do so, I say:
> 
> samp = BoundingBox Volume { several_volumes() };
> 
> and I get an error ( "syntax error ())")
> 
> But if I say:
> 
> samp = BoundingBox Volume { several_volumes(0) };
> 
> everything is ok, I get the bounding box of only one volume. Is this a bug?
> 

The command was indeed only coded for a single entity.

I have added the more general case, where you can now give a list of entities. You can test it with the latest snapshot.

Christophe

> 
> To further explain my problem I have prepared a small script:
> 
> SetFactory("OpenCASCADE");
> 
> total = newreg;
> Cone(total) = {0.2, -0.2, -0.2, 0, 0, 1, .8, 0, 2*Pi};
> 
> total() += newreg;
> Cone(total(1)) = {0.2, -0.2, -0.2, 0, 0, -1, .8, 0, 2*Pi};
> 
> samp = BoundingBox Volume { total(0)};  // this command gives no problem
> //samp = BoundingBox Volume { total(1)};  // this command gives no problem
> //samp = BoundingBox Volume { total()};  // this command gives problem
> 
> x_s = samp(0);
> y_s = samp(1);
> z_s = samp(2);
> 
> dxs = Abs(samp(0)-samp(3));
> dys = Abs(samp(1)-samp(4));
> dzs = Abs(samp(2)-samp(5));
> 
> Box(newreg) = {x_s, y_s,  z_s, dxs, dys, dzs};
> 
> 
> Best regards,
> 
> Marco
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— 
Prof. Christophe Geuzaine
University of Liege, Electrical Engineering and Computer Science 
http://www.montefiore.ulg.ac.be/~geuzaine

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