Previous: pltml Up: ../plot79_p.html Next: pltqf
SUBROUTINE PLTQB (IQ)
C$ (Quadrant Border)
C$ It is sometimes desirable to display more than one view of
C$ a graph on a single plot frame. Quadrant plotting permits
C$ up to four such views. The standard paper size page is
C$ subdivided into four square quadrant viewports contained
C$ within an inner frame. Each viewport is oriented
C$ horizontally on the page, unless the device space
C$ corresponds to a vertical frame, in which case the quadrant
C$ frames are oriented vertically. The horizontal or vertical
C$ mode could have been selected by a previous call to PLTFR
C$ or PLTVF, respectively, or perhaps by an explicit call to
C$ SETDS2.
C$
C$ A border is drawn around the viewport, which is usually
C$ desirable for contour plots. A rectangular box is then
C$ available above and below the viewport for insertion of
C$ labels with routine PLTLAQ. The quadrant number, IQ, is an
C$ integer in the range 1..4 selecting one of the quadrants.
C$ These are numbered in a counterclockwise direction starting
C$ in the upper right corner of the vertical frame. The unit
C$ square is assigned to the selected viewport, so that all
C$ subsequent plotting using the pen movement routines, PL2CA,
C$ PL2SP, etc. will operate correctly.
C$ (07-JUN-85)