The PLplot Plotting Library: Programmer's Reference Manual | ||
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plcont
: Contour plot
Draws a contour plot of the data in z[nx][ny], using the nlevel contour levels specified by clevel. Only the region of the array from kx to lx and from ky to ly is plotted out. A transformation routine pointed to by pltr with a pointer pltr_data for additional data required by the transformation routine is used to map indices within the array to the world coordinates. See the following discussion of the arguments and the Section called Contour and Shade Plots in Chapter 3 for more information.
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