The PLplot Plotting Library: Programmer's Reference Manual
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plgvpw: Get viewport limits in world coordinates

plgvpw (p_xmin, p_xmax, p_ymin, p_ymax);

Get viewport limits in world coordinates.

p_xmin (PLFLT *, output)

Lower viewport limit of the world coordinate in x.

p_xmax (PLFLT *, output)

Upper viewport limit of the world coordinate in x.

p_ymin (PLFLT *, output)

Lower viewport limit of the world coordinate in y.

p_ymax (PLFLT *, output)

Upper viewport limit of the world coordinate in y.

Redacted form:

This function is used in example 31.

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plgvpd: Get viewport limits in normalized device coordinatesUpplgxax: Get x axis parameters