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svgaddpoint

svgaddpoint


Purpose
Add a small square to mark a point at the given coordinates.
Synopsis
procedure svgaddpoint(gid: string, x: real, y: real)
procedure svgaddpoint(x: real, y: real)
Arguments
gid 
Object group ID.
The x coordinate of the point.
The y coordinate of the point.
Example
This code plots 100 random points:
svgaddgroup("cloud", "Random points", SVG_YELLOW)
svgsetgraphviewbox(-5, -5, 10, 10)
forall(i in 1..100)
  svgaddpoint("cloud", -2+4*random, -2+4*random)
Further information
If no group ID is specified, the point is added to the last group that has been created.
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