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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