UNRBS Modelling with C. (No OGL)

This is a discussion on UNRBS Modelling with C. (No OGL) within the C Programming forums, part of the General Programming Boards category; Hallo I need to learn how to display objects modelled by uniform non-rational B-Spline patches without OpenGL surface modelling functions. ...

  1. #1
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    Question UNRBS Modelling with C. (No OGL)

    Hallo
    I need to learn how to display objects modelled by uniform non-rational B-Spline patches without OpenGL surface modelling functions. I writting in C. Anyone knows where I can find a tutorial or some example source code?

    Thanks

  2. #2
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    Unhappy

    This is a part of a programming assignment I have.
    1. I can't use OGL or any other library because thats what the assignment brief says...

    2. I cant find anything relevant...I have made a lot of web searches....

    thanks anyway
    Last edited by alkolas; 05-21-2003 at 04:55 AM.

  3. #3
    ATH0 quzah's Avatar
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    Originally posted by Salem
    > I can't use OGL or any other library because thats what the assignment brief says...
    Well that's gonna make it tough!
    What are you supposed to do - code your own graphics library starting with drawPixel() and work your way up to a usable API?
    Code:
    void putpixel( unsigned int x, unsigned int y )
    {
        gotoxy( x, y );
        putchar( '*' );
    }
    This of course would require a Borland DOS based compiler, but it seems like most of the people show up here using the Turbo C compiler anyway...

    I'll leave the rest as an exercise for the reader...

    Quzah.
    Hope is the first step on the road to disappointment.

  4. #4
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    well, the purpose is to make a 3D graphics modelling system.

    We can use OGL only for viewing transformations, lighting, texturing, camera etc....

    To be honest I have no idea (yet) what kind of functions I have to write in order to model something with UNRBS. I need to find some source code or a tutorial...(I'm a newby in Graphics Programming)

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