.CHART SET DS BLUR RAD

This subroutine sets the blur radius of the drop shadow for the "current" chart spec.

Usage:

      PASS         <blur_radius>              FIELD            SHARE? N
      GOSUB    0CD .CHART SET DS BLUR RAD
      *        Check for error 
      IF       0CD .CHART SET DS BLUR RAD     NE

Description:

This subroutine sets the blur radius of the drop shadow. You must have activated a drop shadow via .CHART SET DROP SHADOWfor this to have any effect.

The parameter is optional, if blank or not passed it will be reset to the default value. If passed, the value must be between 0-999, and represents the size of the blur radius in pixels.

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-- JeanNeron - 2011-09-23