[Octave-bug-tracker] [bug #61961] Griddata cannot produce mesh on vertical vertices

[Razdvizh]

Follow-up Comment #8, bug #61961 (project octave):

[comment #6 comment #6:]
> > Of course it can, it's scattered data. Is there another method which works
well with duplicate z data?
> 
> This makes no sense.  The translation of the English language statement to a
concrete mathematical statement is that
> 
> 
> V1 = f(x1,y1,z1)
> V2 = f(x1,y1,z1)
> 
Hmm, so the problem griddata is design for explicit function
z=f(x,y)
I need implicit f(x,y,z)=const
I looked at cylinder.m
Duplicate some data and griddata is not needed at all?
 for comment #3
xx=coord(:,1);xx(:,2)=xx;
yy=coord(:,2);yy(:,2)=yy;
zz(1:2*columns(t),1)=-1;zz(1:2*columns(t),2)=1;
 mesh(xx,yy,zz);



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