(ORG-5160)
9.1 adds a new x function interp2 to interpolate a group of existing xyz data to find z value for given (x,y) value, by 8 alternative methods: Nearest, Random Kriging, Random Renka Cline, Random Shepard, Random TPS, Spline, Triangle and Weight Average.
How to interpolate z from xy using interp2 x function:
- Run interp 2 -d; to open interpolation dialog;
- Pick data (x,y) from worksheet to interpolate as XY Values To Interpolate, and pick xyz data for interpolation as Input;
- Select Method from drop down menu;
- Assign destination columns as Results of Interpolation.
