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Thread: Skew transform

  1. #1
    Junior Member
    Join Date
    Apr 2008
    Posts
    17

    Skew transform

    I don't understand how exactly works the skew transform of a <node>. Please someone can explain me that and how can I compute this skew transform on a matrix ?

    Second bonus question The transformations, need to be processed into theirs arrival order right ? But it is possible to find some transforms, next an instance of geometry or camera for exemple, next again some transforms and again an instance ?

    Frederic

  2. #2
    Senior Member
    Join Date
    Aug 2004
    Location
    California
    Posts
    771

    Re: Skew transform

    Quote Originally Posted by firebird
    The transformations, need to be processed into theirs arrival order right ?
    Yes
    Quote Originally Posted by firebird
    But it is possible to find some transforms, next an instance of geometry or camera for exemple, next again some transforms and again an instance ?
    No, all transforms come before nodes or instances.

  3. #3
    Frederic,

    about the skew implementation: it's the same as the skew - transform found in the renderman specification. Ask google about that, and you might also take a look into this code:

    http://www.koders.com/cpp/fidA08C276050 ... C5BA1.aspx

    (search for the GMANMatrix4::skew implementation)

    This code is from the http://gman-toolkit.sourceforge.net/ - project.

    best,

    h

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