# Example 5 - Contouring ungridded data # Data from figure # 5 of Koch et al., 1983, J. Climate Appl. Met., # volume 22, pages 1487-1503. open example5.dat read columns x y z close set x size 12 set x axis 0 12 2 set y size 10 set y axis 0 10 2 draw axes set line width symbol 0.2 set symbol size 0.2 draw symbol bullet set font size 8 draw values set x grid 0 12 0.25 set y grid 0 10 0.25 # Use default method (Barnes) convert columns to grid set font size 10 draw contour 0 40 2 set font size 12 draw title "Example 5 -- wind (Fig5 Koch et al, 1983)"