identify data by mouseclick

hi,

i'm just starting with visad. i have several data in a function (index) ->
(xCoord,yCoord,color) and want to show the points in a 2D display. that's
not the problem. now i have to find the index of a point by mouse-clicking
on it. How can i do this? is it possible to highlight the current point?

thanks for help.

sven laude


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