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Thread: Multi selection

  1. #1
    Junior Member Newbie
    Join Date
    Jul 2002
    Location
    Czech Republic
    Posts
    4

    Multi selection

    I would like make multi selection in scene.
    Square (box) multiselection is easy - use gluPickMatrix and use all names in selct bufer.
    But, I would like make multiselection defined by any polygon (triangle, circle, pentagon etc. ).
    I looking for all elements crosing the polygon.
    Drawing objects are Lines, circles, surfaces etc.
    Is it possible by Opengl, or I have to compute mathematical intersect all elements with the polygon ???
    Where is good way ???
    Thanks

  2. #2
    Member Contributor
    Join Date
    Oct 2000
    Location
    Helsinki, Finland
    Posts
    59

    Re: Multi selection

    I believe that it is not possible with gl/glu/glut. You prolly have to do it by hand.

    /Niko

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