The PLplot Plotting Library: Programmer's Reference Manual | ||
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plpoin3
: Plot a glyph at the specified 3D points
Plot a glyph at the specified 3D points. (This function is largely
superseded by plstring3
which gives access to many[!] more glyphs.)
Set up the call to this function similar to what is done for plline3
.
code
=-1 means try to
just draw a point. Right now it's just a move and a draw at the same
place. Not ideal, since a sufficiently intelligent output device may
optimize it away, or there may be faster ways of doing it. This is OK
for now, though, and offers a 4X speedup over drawing a Hershey font
"point" (which is actually diamond shaped and therefore takes 4
strokes to draw). If 0 < code < 32, then a useful (but small
subset) of Hershey symbols is plotted. If 32 <= code <= 127 the
corresponding printable ASCII character is plotted.
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Redacted form: plpoin3(x, y, z, code)
This function is not used in any example.