Re: [unrev-II] TouchGraph 2

From: Alex Shapiro (alex@touchgraph.com)
Date: Mon Sep 10 2001 - 09:02:18 PDT

  • Next message: Jack Park: "[unrev-II] Fwd:"

    Sweet.  So has your experience been that the TG code is easy to modify?  It's easy to add new interfaces (like double clicking to do something), right?

    An area where I haven't done much work, is to allow nodes to be painted in different ways.  I am glad that you are able to add different shapes, and colors.  What I would really appreciate though, would be if you could come up with some suggestions as to how to make the painting code more pluggable. 

    Currently TGPanel, the main class, is responsible for drawing everything.  But it would be nice to set up a structure where nodes would do their own painting.  This would make it easier on developers, because then they could plug in new node types individually, rather then including a whole set of nodes.

    Well, that's just something to think about.  Meanwhile, I look forward to seeing any patches that you make, and of course the integrated versions of Nexist and the other topic map engine.

    --Alex

    At 10:28 PM 9/9/01 -0700, you wrote:

    As the beginnings of modifying TouchGraph to serve a more generalized
    purpose, e.g. display of Topic Maps, I have added some code that allows you
    to use a right click to select node type.  There is an image of the results
    thus far at
    http://www.thinkalong.com/Nexist/TouchGraph2.gif

    Next, I need to add double click functionality so that you can open a nodes
    property sheet to see what the node contains.
    Right now, I have three types of nodes: rectangle, round rectangle, and
    oval.  Maybe some more node types can be added.

    Also, Nodes will take on different colors to color code Topic, Association,
    Occurrence, and so forth.

    When this coding is done, I'll make the source available to Alex for
    whatever purpose he wants.  Meanwhile, it's going in Nexist and another
    Topic Map Engine that I have.

    TouchGraph is about as cool as it gets.  Many thanks, Alex.

    Cheers
    Jack


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