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Thread: barycentric coordinates doubt

  1. #1 barycentric coordinates doubt 
    New Member
    Join Date
    Apr 2008
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    Hi,

    In wikipedia article for barycentric coordinates:
    http://en.wikipedia.org/wiki/Barycentric_coordinates_(mathematics)

    It is mentioned at the bottom as:

    "Note that this formulation breaks down when A and B are equal to 0, which is an indication that the triangle is perpendicular to the x axis. In those cases, simply switch A with D, B with E, C with F, and the equations for λ1 and λ2 will still work."

    Does it mean if A is zero, then make A equal to D or swap them?

    What to do when A alone is zero, B alone is zero and both of them zero.

    Please clear the doubt if somebody knows.

    Thanks in advance..


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