FLANDERS, JOEL M. (JSC-SN) wrote: > > I have a set of 10 (x,y,z) data points. I would like to interpolate a three > dimensional surface grid from these points. I have not been able to do this > with ROOT. > > Could you explain how to do this using ROOT? > You cannot do that with the current version of Root in the general case of non-equidistant data points. This general case requires a new class (say TGraph3D) to be implemented with the usual viewing options. If your points are equidistant, you can use the class TH2F and fill each cell with the Z values, then use the drawing options SURF,etc. Rene Brun
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