## proc line | Welcome Gallery Handbook |
| Manual page for proc_line(PL)

## DESCRIPTION

proc line may be used to draw arbitrary lines in scaled space or absolute space.`` It is typically used for annotations, etc.`` See also proc drawcommands.``

## MANDATORY ATTRIBUTES

The `Points` attribute must be specified.``

## ATTRIBUTES

points multiline-text

  A list of points. One or more lines. Ends at first empty (blank) line. Each line may have one coordinate pair or two. If two, the first point is the beginning of a line, and the second point is the end of a line. If one, the point is taken as a continuation of line from previous point.``
  Example:

      points:	1.0 3.0 1.0 4.5
      	3.0 4.5
      	3.0 3.0

  ``

notation `absolute | scaled | locval`

  Specifies whether points are to be taken as locations in absolute space, scaled space, or location values (values ending in `(s)` are in scaled space; otherwise absolute space is assumed).`` See positionunits Default is `locval`.``
  Example: `notation: scaled`

linedetails linedetails

  Details controlling the rendering of the line.
  Example: `linedetails: width=3 color=green`
  data display engine
  Copyright Steve Grubb

Markup created by unroff 1.0, `` `` June 18, 2001.