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Graham Treece

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EqnSurf Revision History

Version 2.4 - January 2001

  • Compiled and tested Linux version for XFree 4.0, using Direct Rendering.
  • Coordinates in output file are now correct, rather than arbitrarily scaled.
  • Can now choose to output screen dumps in either PPM or BMP formats.
  • Version 2.3 - September 2000

  • Changed operation of text boxes within the menus, such that new data is entered if the box is un-selected, not just on pressing .
  • Version 2.2 - June 2000

  • Can now generate equation triangulation in VRML version 1.0 as well as in OOGL.
  • Windows version now writes .BMP files as the screen dump rather than .PPM files, since that seemed more useful.
  • Version 2.1 - April 2000

  • Major re-write of the command / response structure to allow sensible compilation under Windows 95/98/NT. Arguments can now be set via a menu system, and diagnostic output and errors are displayed in the window.
  • Updated the function to clip the surface to the bounds provided by the axes. Now works in all situations - hence removed the 'fudge' parameter '-p'.
  • Various other source only updates to allow compilation under Windows 95/98/NT.
  • Version 2.0 - February 2000

  • Added a graphical back end, using OpenGL and GLUT. Once equation surface has been calculated, now opens a window to display the surface, in which it can be manipulated and intersected with the 'x', 'y' and 'z' axes.
  • Version 1.1 - August 1999

  • First public release.
  • © 2005 Cambridge University Engineering Dept and Graham Treece .
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