[Scilab-users] Punch a hole into a facet

[Samuel Gougeon]

Hello Jens,

%nan are often used to do so: As soon as at least one coordinate of a 
vertex is equal to %nan, the vertex and all lines and facets going 
through it are skipped/not rendered.

HTH
Samuel


Le 30/09/2018 à 23:35, Jens Simon Strom a écrit :
> Hallo Scilab friends,
> Is there a way to punch a*peak through* hole into a rectangle?
>
> The result below  looks like a hole but it is just white intransparent 
> color.
> xdel();
> xf=[1;-1;-1;1];  yf=[1;1;-1;-1];  zf=[0;0;0;0];      
> plot3d(xf,yf,list(zf,5))//Facet
>    ce=gce();  ce.hiddencolor  =  5;
> xf=0.5*[1;-1;-1;1];  yf=0.5*[1;1;-1;-1]; zf=[0;0;0;0]; plot3d(xf,yf,list(zf,8))//Hole 
> ce=gce(); ce.hiddencolor = 8; Cheers Jens
>
>
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