Hi Folks

I'm trying to create a 3D logo from a flat black and white version. I've
tried doing using a height field. When I render an animated sequence the
logo looks like it's transparent at the sides. Does anyone know why?

Is there a better way of doing this? Here is the pov file and the
original logo. Also frame 10 of the animation.

Cheers

Mike
mik### [at] nacstockacuk

#include "colors.inc"
#include "textures.inc"

global_settings
{assumed_gamma 1.0}

// ----------------------------------------
//camera{location  <0.0, 0.5, -4.0> direction 1.5*z right     4/3*x
look_at   <0.0, 0.0,  0.0>}
//camera{location  <4, 0.5, 0.0> direction 1.5*z right     4/3*x
look_at   <0.0, 0.0,  0.0>}
camera{ location <3*sin(2*pi*clock),0,-3*cos(2*pi*clock)> look_at 0}

sky_sphere
{
  pigment
  {
    gradient y
    color_map { [0.0 color blue 0.6] [1.0 color rgb 1] }
  }
}

light_source
{
  0*x // light's position (translated below)
  color red 1.0  green 1.0  blue 1.0  // light's color
  translate <-30, 30, 30>
}

light_source
{
  0*x // light's position (translated below)
  color red 1.0  green 1.0  blue 1.0  // light's color
  translate <-30, 30, -30>
}

// ----------------------------------------
plane { y, -1 pigment {color rgb <0.7,0.5,0.3>}}

#declare logo=intersection{

height_field {
        tga "naclogoi.tga"
        smooth
        texture {Polished_Chrome}
        rotate <90,0,180>
        }
box
{
  <-1, -1, -1>
  < 1,  1,  1>
  scale <0.5, 0.5 .5>
  translate < -0.5,0.5,1>
}
}

object {logo
        texture{Polished_Chrome}
        rotate <0, 180, 0>
        translate <-.5,-.5,0>
}

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Attachments:
Download 'frame10.jpg' (17 KB) Download 'naclogo.jpg' (25 KB)

Preview of image 'frame10.jpg'

Preview of image 'naclogo.jpg'