Le 07/06/2013 00:50, Ganesh Diwan a écrit :
How does one go about plotting a 2D contour for a non-rectangular region?
I have a data file that contains XY data and the potential values at
the points. The region of interest is not rectangular.
Is there a way to generate a contour plot of such a data with Scilab?
Yes, just enter your data in a matrix and set the undefined values to %nan
function z=my_surface(x, y),z=x*sin(x)^2*cos(y),endfunction
t=linspace(-%pi,%pi,30);
z=feval(t,t,my_surface);
z(1:15,1:15)=%nan;
clf;contour(t,t,z,20);
Serge Steer
INRIA
Many thanks in advance for help.
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