.PIE SET LAYOUT

This subroutine sets the starting angle of the first sector and the direction for subsequent sectors for the "current" chart.

Usage:

      PASS         <starting_angle>           FIELD            SHARE? N
      PASS         <layout_clockwise>         FIELD            SHARE? N
      GOSUB    0CD .PIE SET LAYOUT
      *        Check for error
      IF       0CD .PIE SET LAYOUT            NE

Description:

This subroutine sets both the starting angle for first sector of the "current" chart as well as the direction for subsequent sectors.

The <starting_angle> must be between 0 and 359 degrees. The <layout_clockwise> must be either true or false to indicate whether subsequent sectors should be laid out clockwise or not.

Also see .PIE SET LAYOUT:ANGLE to set the angle or .PIE SET LAYOUT:DIR to set the direction individually.

Passing a blank value, or not passing anything will result in the default values being used.

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-- JeanNeron - 2011-10-03