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Programming > Java 3D > Re: File import...
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Re: File import and mathematics

by ~kurt <actinouranium@[EMAIL PROTECTED] > May 23, 2007 at 05:41 AM

taejon <svenohmann@[EMAIL PROTECTED]
> wrote:
> Hi
>
> I am using Java1.4 and I develop on a mac 10.4 OS Tiger with Eclipse
> 3.1. I have an ascii-file with four column-values x  y  z  rho. That
> means coordinates x,y,z and the density. They are arranged in steps.
> I want to import the file and to make the density in the x,y,z-space
> visible in Java3D with canvas3d etc. Then I want to mark a part of the

What do you mean by making the density visible?  How do you plan on
displaying density?  Color coding?

> density with the mouse and use the marked area for mathematical
> operations (for example integration).

In the sense that you would be able to compute mass, moments, etc...?

> I have absolutely no idea how this can be performed, someone told me
> something about voxels...

Huh, interesting.  I would think the hardest part would be determining a
method for selecting (marking).  Since there are finite elements,
selecting
the elements should be possible.  I would think making everything somewhat
transparent, and changing the color, transparency, or something, to show
it was selected would be the way to go.  Here is a neat game that might
give you some ideas:

<http://www.nada.kth.se/~joh/minesweep3d/>

> Is there any literature, source-code or anything availible ? Does
> someone give me (in words) a principle idea how I have to tackle this
> project ?

I ran across a lot of stuff just googling for "java3d voxel"

- Kurt




 2 Posts in Topic:
File import and mathematics
taejon <svenohmann@[EM  2007-05-22 03:28:18 
Re: File import and mathematics
~kurt <actinouranium@[  2007-05-23 05:41:45 

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tan12V112 Sat May 17 7:55:48 CDT 2008.