We've implemented such a surface plot in a general-utility library, except that
the triangularization is slightly different, and the triangles are not smoothed
into finer meshes to create an appearance of smoother surfaces. Includes axes
(lines or boxes) with automatic tick marks and labels, light effects, mouse
navigation and magnification, user-specifiable color mapping, and also
auto-scaling.
The library also supports line graphs and contour graphs.
Contact [EMAIL PROTECTED] for more information, such as pricing.
-----Original Message-----
From: H......... <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Date: Friday, August 04, 2000 9:23 AM
Subject: [JAVA3D] 2-dimensional matrix -> 3D-visualization, splines,
coordinates, light-effects, interactive views,...
>Hello,
>
>IДve got a question with implementing following problem:
>
>A 2-dimensional rectangular Matrix should be transformed into a
>3-dimensional visualization of the matrix. The values at each position
>should represent the height of the actual point.
>(The program should work like the 'matrixplot' in Maple. )
>
>There are two desired appearances of the 3-dimensional visualization which I
>want to implement. But at first number 1 is more important:
>
>(1) the output of the visualization consists of triangulars. The corners of
>the triangular are the values of the matrix.
>
>(2) The sharph edges (of the triangular) should be transformed into a smooth
>curve. But I donДt know how to implement this. Perhaps splines are a
>solution!? Are they implemented in Java3D? How can I find information about
>it?
>
>Other Constraints:
>
>A coordinate-system should also be added, with the x-axe (rows of the
>matrix), y-axe (colums) and the z-axe (the value of the matrix).
>
>Light effects and interactive views (clicking with the mous or with the
>arrow-key should change the point of view) should also be part of the
>implementation.
>
>Every point and the near area around should be in a height-dependent color.
>
>Has anybody suggestions about implementing this problem?
>
>Which would be the best algorithm?
>
>Has anybody already written some code with a similar problem or knows where
>I can find code?
>
>Do you know some urls where I can find special information, hints, tips
>about the implementation?
>
>
>For all suggestions and answers thanks a lot!
>
>With best regards,
>
>B. Hofmann
>
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