Contour Maps Links

MathTools
    Matrix math functions
        http://www.mathtools.com

Gridding
       http://www.uncert.com/
                Comment: Chapter UNCERT. Method: Kriging, Inverse Distance. UNCERT is UNIX program. Code is free.

Filling Algorithms
       http://www.cs.unc.edu/~mcmillan/comp136/Lecture8/areaFills.html
                Comment: Lecture with code samples

Contouring
       http://local.wasp.uwa.edu.au/~pbourke/papers/conrec/
                Comment: Function in Fortran, Basic and C++ code..
       http://www.uncert.com/uncert/contour/contour.html
                Comment: Chapter UNCERT. UNCERT is UNIX program. Code is free.
      

Read / Write Graphic File Source Code
       http://www.smalleranimals.com/jpegfile.htm
                Comment: BMP, JPEG.

Africa CIA GIF maps
       http://www.sas.upenn.edu/African_Studies/CIA_Maps/menu_CIA.html
                Comment: free maps.

Comp.Graphics.Algorithms Frequently Asked Questions
       http://www.exaflop.org/docs/cgafaq/index.html
                Comment: Computations: Points, Segments, Circles; Polygon Computations; Image/Pixel Computations; Curve Computations; 3D computations; Geometric Structures and Mathematics.