File: Sgrayplot.cat

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Sgrayplot          Scilab Group          Scilab Function          Sgrayplot
NAME
   Sgrayplot - smooth 2D plot of a surface using colors
  
CALLING SEQUENCE
 Sgrayplot(x,y,z,[strf,rect,nax])
DESCRIPTION
   Sgrayplot is the same as grayplot but the plot is smoothed. The function
  fec is used for smoothing. The surface is plotted assuming that it is
  linear on a set of triangles built from the grid:
  
     ______ 
     | /| /| 
     |/_|/_|  
     | /| /|
     |/_|/_|
    Enter the command Sgrayplot() to see a demo.
  
EXAMPLE
 x=-10:10; y=-10:10;m =rand(21,21);
 Sgrayplot(x,y,m,"111",[-20,-20,20,20])
 t=-%pi:0.1:%pi; m=sin(t)'*cos(t);
 xbasc()
 Sgrayplot(t,t,m)
SEE ALSO
   fec, fgrayplot, grayplot, Sfgrayplot
  
AUTHOR
   J.Ph.C.