
The Gridmap PLOT OPTIONS Form
X-LEFTii
K-RIGHT"
Y-NEMRii
v-fhr;
XX-LEFT s
XX-RIGHT
YY-HEnR:
Y Y P H K "
Example:
Enter the horizontal display range.
Enter the vertical display range.
Enter the horizontal range of the input sampling grid,
corresponding to the first independent variable (entered
in IHDEP).
Enter the vertical range of the input sampling grid,
corresponding to the second independent variable
(entered in DEF'ND).
Display the Gridmap example plot, GRID:
X + yi sin(a; + pi). If necessary, type in TEFiCH to
install the EXAMPLES directory and then:
Press (VAR ) E X H M P L 0 T
(nxt'I grid
23
After plotting, press fCANCEL 1 fr^fPLOT) to review the PLOT forms
that generated the plot. Experiment by changing values or settings
and redrawing the plot.
Parametric Surface Plots
The Pr-Surface plot type draws an oblique-view, perspective,
3D plot of a wire-frame model of the surface determined by
F{u, v) = x(u, r:)i + yiu, t))j -F z(w, ?;)k where u and v are drawn from
the sampling grid (XX- and YY“ ranges). Pr-Surface combines the
coordinate-mapping approach of Gridmap with the three-dimensional
perspective plotting of Wireframe.
Plot Types 23-35
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