Re: [unrev-II] More TouchGraph2

From: Jack Park (jackpark@thinkalong.com)
Date: Tue Sep 11 2001 - 06:36:55 PDT

  • Next message: Jack Park: "RE: [unrev-II] More TouchGraph2"

    Alex,
    How soon you gonna add that code?

    Jack
    At 01:55 AM 9/11/2001 -0400, you wrote:

    > >
    > >Looking at the tgLivingThing gif, one can begin to make the case that
    > >Bernard did earlier: rollover popup of edge properties. That's tricky,
    > >particularly with the curved edges -- will be tricky (methinks) to figure
    > >out the bounding box for mouse detection. Worth a try, however.
    >
    >Nah-hah, that's the cool part. Curved edges do not pause a problem, and
    >you know why? Because in terms of real coordinates, the edges are not
    >curved. They just appear curved because they are warped by lenses.
    >
    >A formula for computing the distance from point (P) to a line (L) is
    >simple, and it is also simple to find the point where a perpendicular line
    >from P to L would cross L. So now, the only tricky part is converting back
    >to visual coordinates, and determining when P is close enough to <P
    >intersect L> to warrant an edge over trigger.
    >
    >Neat huh? And I guess that this feature can be implemented right now. For
    >some reason, before, I thought that it would have to wait for edges to
    >belong to nodes, rather then be out on their own. The other cool thing, is
    >that once edges have mouse-over sensing, then one can implement all kinds
    >of interfaces to manipulate them.... Drag from an edge to a node to switch
    >endpoint? A scrollbar to change edge tension? Lots of things.
    >
    >--Alex
    >
    >
    >
    >Community email addresses:
    > Post message: unrev-II@onelist.com
    > Subscribe: unrev-II-subscribe@onelist.com
    > Unsubscribe: unrev-II-unsubscribe@onelist.com
    > List owner: unrev-II-owner@onelist.com
    >
    >Shortcut URL to this page:
    > http://www.onelist.com/community/unrev-II
    >
    >Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/

    ------------------------ Yahoo! Groups Sponsor ---------------------~-->
    Secure your servers with 128-bit SSL encryption! Grab your copy of VeriSign's FREE Guide: "Securing Your Web Site for Business." Get it Now!
    http://us.click.yahoo.com/n7RbFC/zhwCAA/yigFAA/IHFolB/TM
    ---------------------------------------------------------------------~->

    Community email addresses:
      Post message: unrev-II@onelist.com
      Subscribe: unrev-II-subscribe@onelist.com
      Unsubscribe: unrev-II-unsubscribe@onelist.com
      List owner: unrev-II-owner@onelist.com

    Shortcut URL to this page:
      http://www.onelist.com/community/unrev-II

    Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/



    This archive was generated by hypermail 2.0.0 : Tue Sep 11 2001 - 06:39:39 PDT