Download the ContourDemo.dll with Visual Basic 6 DemoContour.zip (83 KB) or C# VS 2005 DemoContour_C_SHARP.ZIP (150 KB) project source codes:
Just unzip it to any folder and run DemoContour.exe or DemoGridding.exe from
The loaded data set from Matrix.txt file is included in zip.
Sorry, the demo library has limit for grid size 50x50.
If you have interest about unlimited library, ask me email@example.com