Difference between revisions of "Povray"

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 +
 +
=== explosion generator ===
 +
* todo...
  
 
=== skybox ===  
 
=== skybox ===  
 
* todo...
 
* todo...
 +
* renderskybox.php <pre>
 +
#!/usr/bin/php
 +
<?php
 +
/*
 +
This script renders 6 sides of a skybox with povray.
 +
Written in PHP, to execute "apt-get install php4-cli"
 +
*/
 +
// resolution in pixels, height=weight=size
 +
$size = 256; // 32^x ??
 +
// $size = 128;
 +
// $size = 256;
 +
$infile = "skybox1.pov";
 +
$outfile_prefix = "ghoulskybox1";
 +
$outfile_postfix = ".png";
 +
 +
$frame_name = array();  // ogre skybox naming sheme
 +
$frame_name[0] = "_fr"; // front
 +
$frame_name[1] = "_rt"; // right
 +
$frame_name[2] = "_bk"; // back
 +
$frame_name[3] = "_lf"; // left
 +
$frame_name[4] = "_up"; // up
 +
$frame_name[5] = "_dn"; // down
 +
 +
 +
for ($i=0;$i<6;++$i) {
 +
echo "rendering frame ".($i+1)."/6:\n";
 +
$outfile = $outfile_prefix . $frame_name[$i] . $outfile_postfix;
 +
shell_exec("povray  -I$infile -H$size -W$size +FN16 -D -O$outfile -K$i");
 +
//shell_exec("povray  -I$infile -H$size -W$size +FT -D -O$outfile -K$i");
 +
//shell_exec("convert $outfile ".str_replace(".tga",".jpg",$outfile));
 +
}
 +
echo "done.\n";
 +
 +
/*
 +
ogre sample space skybox named "Examples/SpaceSkyBox"
 +
is stored in ogrenew/Samples/Media/materials/scripts/Example.material
 +
and looks like this :
 +
material Examples/SpaceSkyBox
 +
{
 +
technique
 +
{
 +
pass
 +
{
 +
lighting off
 +
depth_write off
 +
 +
texture_unit
 +
{
 +
cubic_texture stevecube.jpg separateUV
 +
tex_address_mode clamp
 +
}
 +
}
 +
}
 +
}
 +
the stevecube.jpg adresses 6 images, which are zipped in ogrenew/Samples/Media/packs/skybox.zip
 +
stevecube_UP.jpg
 +
stevecube_FR.jpg
 +
stevecube_DN.jpg
 +
stevecube_BK.jpg
 +
stevecube_LF.jpg
 +
stevecube_RT.jpg
 +
 +
the povray camera for the skybox should be something like this
 +
camera {
 +
  location <0,0,0>
 +
  angle 90
 +
  right <1,0,0> up <0,1,0>
 +
  // turn the cam based on the current frame=clock : [0-5]
 +
  #switch (clock)
 +
#range (0,3)
 +
  // first 4 frames : turn from left to right
 +
  rotate (90*clock)*y
 +
#break
 +
#case (4)
 +
  // look at the sky
 +
  rotate 90*x
 +
#break
 +
#case (5)
 +
  // look at the ground
 +
  rotate -90*x
 +
#break
 +
  #end // End of conditional part
 +
}
 +
*/
 +
?>
 +
</pre>
 +
 +
skybox1.pov
 +
<pre>
 +
// Persistence of Vision Raytracer Version 3.5 Scene Description File
 +
//*******************************************
 +
 +
global_settings {
 +
  //max_trace_level 5
 +
}
 +
 +
#include "colors.inc"
 +
 +
camera {
 +
  location <0,0,0>
 +
  angle 90
 +
  right <1,0,0> up <0,1,0>
 +
  // turn the cam based on the current frame=clock : [0-5]
 +
  #switch (clock)
 +
    #range (0,3)
 +
      // first 4 frames : turn from left to right
 +
      rotate (90*clock)*y
 +
    #break
 +
    #case (4)
 +
      // look at the sky
 +
      rotate -90*x
 +
    #break
 +
    #case (5)
 +
      // look at the ground
 +
      rotate 90*x
 +
    #break
 +
  #end // End of conditional part
 +
}
 +
 +
background { color rgb <0,0,0> }
 +
 +
// light_source { <100, 100, -200> color White }
  
−
=== explosion generator ===
 
−
* todo...
 
  
 +
sphere { < 0, 0, 0>, 2
 +
pigment { rgbt 1 } // surface of sphere is transparent
 +
interior {
 +
media {
 +
emission 0.02
 +
intervals 1
 +
samples 25
 +
method 3
 +
density {
 +
spherical
 +
ramp_wave
 +
        translate 1.0*y  // replace 1.0 = t  by time for animation
 +
        warp { turbulence 1.5 }
 +
        translate -1.0*y // replace -1.0 = -t  by time for animation
 +
color_map {
 +
[0.0 color rgb <0, 0, 0>]
 +
[0.1 color rgb <1, 0, 0>]
 +
[0.5 color rgb <1, 1, 0>]
 +
[1.0 color rgb <1, 1, 0>]
 +
}
 +
}
 +
}
 +
}
 +
scale 25
 +
hollow
 +
}
 +
</pre>
  
 
=== explosion ===
 
=== explosion ===
−
* http://ghoulsblade.schattenkind.net/files/pov_exp1.pov
+
[[Image:Pov_exp1.png]]<br>
−
* [[Image:Pov_exp1.png]]<br>
 
 
<pre>
 
<pre>
 
// Persistence of Vision Raytracer Version 3.5 Scene Description File
 
// Persistence of Vision Raytracer Version 3.5 Scene Description File

Revision as of 23:53, 18 May 2007

explosion generator

  • todo...

skybox

  • todo...
  • renderskybox.php 

#!/usr/bin/php
<?php
/*
	This script renders 6 sides of a skybox with povray.
	Written in PHP, to execute "apt-get install php4-cli"
*/
// resolution in pixels, height=weight=size
$size = 256; // 32^x ??
// $size = 128;
// $size = 256;
$infile = "skybox1.pov";
$outfile_prefix = "ghoulskybox1";
$outfile_postfix = ".png";

$frame_name = array();  // ogre skybox naming sheme
$frame_name[0] = "_fr"; // front
$frame_name[1] = "_rt"; // right
$frame_name[2] = "_bk"; // back
$frame_name[3] = "_lf"; // left
$frame_name[4] = "_up"; // up
$frame_name[5] = "_dn"; // down


for ($i=0;$i<6;++$i) {
	echo "rendering frame ".($i+1)."/6:\n";
	$outfile = $outfile_prefix . $frame_name[$i] . $outfile_postfix;
	shell_exec("povray  -I$infile -H$size -W$size +FN16 -D -O$outfile -K$i");
	//shell_exec("povray  -I$infile -H$size -W$size +FT -D -O$outfile -K$i");
	//shell_exec("convert $outfile ".str_replace(".tga",".jpg",$outfile));
}
echo "done.\n";

/*
	ogre sample space skybox named "Examples/SpaceSkyBox"
	is stored in ogrenew/Samples/Media/materials/scripts/Example.material
	and looks like this :
	material Examples/SpaceSkyBox
	{
		technique
		{
			pass
			{
				lighting off
				depth_write off
	
				texture_unit
				{
					cubic_texture stevecube.jpg separateUV
					tex_address_mode clamp
				}
			}
		}
	}
	the stevecube.jpg adresses 6 images, which are zipped in ogrenew/Samples/Media/packs/skybox.zip
	stevecube_UP.jpg
	stevecube_FR.jpg
	stevecube_DN.jpg
	stevecube_BK.jpg
	stevecube_LF.jpg
	stevecube_RT.jpg
	
	the povray camera for the skybox should be something like this
	camera {
	  location <0,0,0>
	  angle 90
	  right <1,0,0> up <0,1,0>
	  // turn the cam based on the current frame=clock : [0-5]
	  #switch (clock)
		#range (0,3)
		  // first 4 frames : turn from left to right
		  rotate (90*clock)*y
		#break
		#case (4)
		  // look at the sky
		  rotate 90*x
		#break
		#case (5)
		  // look at the ground
		  rotate -90*x
		#break
	  #end // End of conditional part
	}
*/
?>


skybox1.pov



//	Persistence of Vision Raytracer Version 3.5 Scene Description File
//*******************************************

global_settings {
  //max_trace_level 5
}

#include "colors.inc"

camera {
  location <0,0,0>
  angle 90
  right <1,0,0> up <0,1,0>
  // turn the cam based on the current frame=clock : [0-5]
  #switch (clock)
    #range (0,3)
      // first 4 frames : turn from left to right
      rotate (90*clock)*y
    #break
    #case (4)
      // look at the sky
      rotate -90*x
    #break
    #case (5)
      // look at the ground
      rotate 90*x
    #break
  #end // End of conditional part
}

background { color rgb <0,0,0> }

// light_source { <100, 100, -200> color White }


sphere { < 0, 0, 0>, 2
	pigment { rgbt 1 } // surface of sphere is transparent
	interior {
		media {
			emission 0.02
			intervals 1
			samples 25
			method 3
			density {
				spherical
				ramp_wave
        translate 1.0*y  // replace 1.0 = t   by time for animation
        warp { turbulence 1.5 }
        translate -1.0*y // replace -1.0 = -t  by time for animation
				color_map {
					[0.0 color rgb <0, 0, 0>]
					[0.1 color rgb <1, 0, 0>]
					[0.5 color rgb <1, 1, 0>]
					[1.0 color rgb <1, 1, 0>]
				}
			}
		}
	}
	scale 25
	hollow
}



explosion


Pov exp1.png




//	Persistence of Vision Raytracer Version 3.5 Scene Description File
//*******************************************

global_settings {
  max_trace_level 5
}

#include "colors.inc"

camera {
	location <-1.5, 30, -150>
	look_at <0, 25, 35>
	angle 35
}

background { color rgb 0 }

// light_source { <100, 100, -200> color White }


sphere { < 0, 0, 0>, 2
	pigment { rgbt 1 } // surface of sphere is transparent
	interior {
		media {
			emission 0.02
			intervals 1
			samples 25
			method 3
			density {
				spherical
				ramp_wave
        translate 1.0*y  // replace 1.0 = t   by time for animation
        warp { turbulence 1.5 }
        translate -1.0*y // replace -1.0 = -t  by time for animation
				color_map {
					[0.0 color rgb <0, 0, 0>]
					[0.1 color rgb <1, 0, 0>]
					[0.5 color rgb <1, 1, 0>]
					[1.0 color rgb <1, 1, 0>]
				}
			}
		}
	}
	scale 25
	translate 25*y
	hollow
}








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