creating a 3d plot please help

[Stephen Thomas]

Hi all ,
          Im trying to create a 3d plot..by reading data from a file..
The datafile has 3 set of values i ve randomly put.
say like this..
X    Y      Z
1    2      3.5
3    6.0    8.4
7    9       3

i want to plot the surface  covered by these values..

i used plot3d1(X ,Y,Z) command and i got a rectagular prism shaped surface...with the faces being drawn through outermost set of xyz points

Is there any free suface plotting function in scilab..other than this ractangular facets..

Or can any one tell me which is the best method of plotting such type of non related 3 D data??
Thanks
Stephen


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