Thomas de Groot <tho### [at] degrootorg> wrote:
> On 6-8-2014 9:51, clipka wrote:
> > The door image does have an alpha channel, but that channel is not used
> > at all: Each and every pixel is fully opaque. There's nothing POV-Ray
> > can do about that.
>
> My conclusion too.
>
> liujg: If you use GIMP, load your image there, go to Colours/Colour to
> Alpha... and set Black as your Alpha channel colour. Save your new image
> and try again.
>
> I think you have defined an alpha channel but not the transparency colour.
>
> Thomas
This is my pov

camera {
  location <0, 15, -40>
 direction <0, 0,  1>
  right x*1.33
 look_at <0,15,0>
}
background {
  color rgb < 0.60, 0.70, 0.95 >
}
light_source {
  <0,28,0> // position of a coner of the light plane
  rgb<1.0,1.0,1.0>
  area_light <3, 0, 0>, <0, 3, 0>, 2, 2 // light plane's edges; m by n bulbs
 adaptive 1 // if on, some rays will not be traced
 jitter // randomization of bulb's positions, emulating fuzzy shadow edges
}
object {
      mesh2{
         vertex_vectors{
                      5

                        <-500, 0, 30>, < 500, 0, 30>,<500,  500, 30>, < -500,
500, 30>  , < 0, 250,  30>

                       }
             uv_vectors{
                       5
                         <-25.0, -25.0>,< 25.0, -25.0> ,  < 25.0,  25.0>,
<-25.0,  25.0>,  <0.0, 0.0>
                       }
           face_indices{
                       4,
                        <0,1,4>, <1,2,4>,<2,3,4>, <3,0,4>

                       }
             uv_indices{
                     4,

                        <0,1,4>, <1,2,4>,<2,3,4>, <3,0,4>

                        }

            }
     texture{
         pigment{
       uv_mapping
        image_map { png "DHKX0221.png"  map_type 0   interpolate 2 }
       // image_map {sys "BACKGND4.BMP" map_type 0   interpolate 2 }
                }
         finish {
      specular 0.3
      roughness 0.01
                }
            }
 // translate <1,  2, 5>
}
How can I modify it.
Thank you!

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