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19 Nov 2024 07:19:37 EST (-0500)
  mathematical heighfield/isosurface preview (Message 1 to 3 of 3)  
From:
Subject: mathematical heighfield/isosurface preview
Date: 26 Mar 2002 07:26:32
Message: <psp0au8fk8no65bflt3cfsgpfmqfjkqi6j@4ax.com>
For those who want faster function adjusting

http://library.wolfram.com/webMathematica/MSP/Explore/Graphics/Plot3D

ABX


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From:
Subject: Re: mathematical heighfield/isosurface preview
Date: 26 Mar 2002 10:12:42
Message: <0e31augbq6m0t0us0h3iaj3tiijheughh0@4ax.com>

wrote:
> For those who want faster function adjusting
> http://library.wolfram.com/webMathematica/MSP/Explore/Graphics/Plot3D

And for those who are confused about mathematica syntax take a look at online
documentation at http://documents.wolfram.com/ . Below is complete equivalent
of default graph. I thought it could be better to present it as parametric
object but this produced some crash in my current beta (apriopriate report
after moment in p.b-t). I didn't want to use mesh to not complicate script.

#version 3.5;
#include "shapes"

#local Surface=isosurface{
  function{y-(
    (sin(x*z))^2  // fromula from Mathematica
  )}
  contained_by{box{
    <0,0,0>        // min range from Mathematica
    <2*pi,1,2*pi>  // max range from Mathematica
  }}
  max_gradient 4.5 // adjusted according to pov-warning
  pigment {rgb 1}
};

Center_Object(Surface,1)

camera {
  location <5,5,-5>
  direction 1.5*z
  right     x*image_width/image_height
  look_at   <0.0, 0.0,  0.0>
}

light_source{100*y,1}

ABX


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From: Dennis Miller
Subject: Re: mathematical heighfield/isosurface preview
Date: 26 Mar 2002 16:01:41
Message: <3ca0e1b5$1@news.povray.org>
Thanks very much for the "translation."
D.


news:0e31augbq6m0t0us0h3iaj3tiijheughh0@4ax.com...

<abx### [at] babilonorg>
> wrote:
> > For those who want faster function adjusting
> > http://library.wolfram.com/webMathematica/MSP/Explore/Graphics/Plot3D
>
> And for those who are confused about mathematica syntax take a look at
online
> documentation at http://documents.wolfram.com/ . Below is complete
equivalent
> of default graph. I thought it could be better to present it as parametric
> object but this produced some crash in my current beta (apriopriate report
> after moment in p.b-t). I didn't want to use mesh to not complicate
script.
>
> #version 3.5;
> #include "shapes"
>
> #local Surface=isosurface{
>   function{y-(
>     (sin(x*z))^2  // fromula from Mathematica
>   )}
>   contained_by{box{
>     <0,0,0>        // min range from Mathematica
>     <2*pi,1,2*pi>  // max range from Mathematica
>   }}
>   max_gradient 4.5 // adjusted according to pov-warning
>   pigment {rgb 1}
> };
>
> Center_Object(Surface,1)
>
> camera {
>   location <5,5,-5>
>   direction 1.5*z
>   right     x*image_width/image_height
>   look_at   <0.0, 0.0,  0.0>
> }
>
> light_source{100*y,1}
>
> ABX


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