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arc-drawer in graph-formatting

    Date: Fri, 31 Dec 1993 13:59 EST
    From: Adam Carlson <carlson@titanic.cs.umass.edu>

    Clim 1.1 (unfortunately)
    Lucid 4.1

    I'm trying to implement a graph drawer that will use different line
    styles for the arcs depending on some attributes of the nodes being
    connected.  According to the clim 2.0 specs, the :arc-drawer option to
    format-graph-from-roots gets 7 positional arguments, the stream, the
    from and to nodes and their x and y positions.  Although the optional
    arc-drawer is undocumented in CLIM 1.1, I tried the same thing, and my
    function was called, but as far as I can tell, the nodes are not
    passed to it.  Is there a patch to CLIM 1.1 that will fix this or can
    anyone suggest some way of getting information about the nodes being
    drawn to the arc-drawer.

You would have to ask your Lucid support person to provide this.  Migrating
this code from CLIM 2.0 back to CLIM 1.1 might not be very easy...

    Adam Carlson
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