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plot3dc: Magnitude colored plot surface with contour
DESCRIPTION:
This function is used in example 21.
SYNOPSIS:
plot3dc(x, y, z, nx, ny, opt, clevel, nlevel)
ARGUMENTS:
x (const PLFLT *, input) : Pointer to set of x coordinate values at
which the function is evaluated.
y (const PLFLT *, input) : Pointer to set of y coordinate values at
which the function is evaluated.
z (const PLFLT * const *, input) : Pointer to a vectored
two-dimensional array with set of function values.
nx (PLINT, input) : Number of x values at which function is
evaluated.
ny (PLINT, input) : Number of y values at which function is
evaluated.
opt (PLINT, input) : Determines the way in which the surface is
represented. To specify more than one option just add the options,
e.g. DRAW_LINEXY + MAG_COLOR opt=DRAW_LINEX: Lines are drawn
showing z as a function of x for each value of y[j].
opt=DRAW_LINEY: Lines are drawn showing z as a function of y
for each value of x[i].
opt=DRAW_LINEXY: Network of lines is drawn connecting points
at which function is defined.
opt=MAG_COLOR: Each line in the mesh is colored according to
the z value being plotted. The color is used from the current
color map 1.
opt=BASE_CONT: A contour plot is drawn at the base XY plane
using parameters
nlevel and
clevel.
opt=DRAW_SIDES: draws a curtain between the base XY plane and
the borders of the plotted function.
clevel (const PLFLT *, input) : Pointer to the array that defines
the contour level spacing.
nlevel (PLINT, input) : Number of elements in the clevel array.
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