Dear Alain and clipka,

Thank you very much!

Here is my first try, but I do not understand why my middle polygons become
grey. For single, it is white. Very strange.
Do you have any idea why?


// Persistence Of Vision raytracer version 3.5 sample file.
//
// -w320 -h240
// -w800 -h600 +a0.3

global_settings { assumed_gamma 1.0 }

#include "colors.inc"           // Standard colors library
#include "shapes.inc"           // Commonly used object shapes
#include "textures.inc"         // LOTS of neat textures.  Lots of NEW textures.

//#include "arrow.inc"
//#include "smallarrow.inc"



#declare Camera_1 = camera {                     // modifieddiagonal view
                             angle 9
                             location  <40.0 ,40.5 ,55.0>
                             right     x*image_width/image_height
                             look_at   <0.3 , 1.5 ,-0.2>
                           }

camera{Camera_1}


// Light source

//light_source {<-30, 11, +20>  color White  }
//light_source {< 31, 12, -20>  color White  }
//light_source {< 32, 11, -20>  color LightGray }

light_source{<1500,2500,-2500> color White}


// sky -------------------------------------------------------------------
sky_sphere{ pigment{ gradient <0,1,0>
                     color_map{ [0   color rgb<1,1,1>         ]//White
                                [0.4 color rgb<1,1,1>]//~Navy
                                [0.6 color rgb<1,1,1>]//<0.14,0.14,0.56>]//~Navy
                                [1.0 color rgb<1,1,1>         ]//White
                              }
                     scale 2 }
           } // end of sky_sphere
//------------------------------------------------------------------------



#include "rdgranit.map"
#declare Pink_Gran_Texture =
texture {
   pigment {
      granite
      color_map { M_RedGranite }
      scale 0.4
      }
   finish {
      specular 0.75
      roughness 0.0085
      ambient 0.15
      reflection 0.2
   }
}



//#declare Phase = union{

/*

union {
//   sphere {<0, 0, 0>, 1.75}
box { <-4,1,-4>,<4,1.4,4>}
//pigment{checker color rgb < 0.03, 0.5, 0.>, color White}
pigment{checker color rgb < 0.05, 0., 0.35>, color White}
//box { <1,.050,3> , <-4,-0.05,-3>}
//   texture { Pink_Gran_Texture scale 0.55 }
//   rotate y*45
}

*/

#declare al=4;


/*

polygon {
    4,
    <0,4, 0>, <0,4, 1>, <1, 4,1>, <1,4, 0>
    texture {
      finish { ambient 1 diffuse 0 }
      pigment {  color rgb<1,0,0> }
     }
    //scale and rotate as needed here
  }
*/



#declare al=4;

#declare w=1.2;

polygon {
    4,
    < 5,0, -w>, <-5, 0,-w>,  <-5,0, w>,<5,0, w>
    texture {
      finish { ambient 1 diffuse 0 }
      pigment {  color rgb<0.1,0.1,0.1> }
     }
    //scale and rotate as needed here
  }




#declare h=0.8;

#declare wid=2;

#declare ls=-3;
#declare le=ls+wid;

#declare Index = 0;
#while(Index <= 5)

polygon {
    4,
    < ls+Index,0, -h>, <le+Index, 0,-h>,  <le+Index,0, h>,<ls+Index,0, h>
    texture {
      finish { ambient 1 diffuse 0 }
      pigment {  color rgb<1,1,1> }
     }
    //scale and rotate as needed here
  }

  #declare Index = Index + 2.5;
#end

//==================end===========================




Thanks a lot!

Guoping


Alain <kua### [at] videotronca> wrote:

> > Dear All,
> >
> > I would like to  use Povray to draw old 35 mm films. Then I want to plot some
> > images in them. These films should be viewed from an angle, so the films go away
> > from the viewer, into future. I could not find a useful example how I can create
> > a shape.
> >
> > I would appreciate it if you could give me some hints.
> >
> > Best regards,
> >
> > Guoping
> >
> >
> If a flat surface is enough, then you can use a thin box or a polygon
> that you create on the X-Y plane.
> You apply your image to it using an image_map.
> Finally, you tilt that away using rotate x*45, or any angle you may
> want. The angle is in degrees.
>
>
> Alain

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