Move "smooth" before "scale", like this:

  height_field {
    tga "Track Tile.tga"
    smooth
    scale <SCALE_FACTOR, 45.000000, SCALE_FACTOR>
  }

That should work.

Kyle


On Sat,  2 Jul 2005 20:40:58 EDT, "waynehays1" <way### [at] yahoocom>
wrote:

>I have look high and low.  Why does the render hang up on "smooth"?
>
>object {
>  height_field {
>    tga "Track Tile.tga"
>    scale <SCALE_FACTOR, 45.000000, SCALE_FACTOR>
>    smooth
>  }
>  texture {
>    pigment {
>      image_map {
>        tga "TrackTile_TEX_960.tga"
>      }
>      scale SCALE_FACTOR
>      rotate <90, 0, 0>
>    }
>
>    finish {
>      ambient <0.35, 0.35, 0.32>
>      diffuse 2.5
>      crand 0.1
>    }
>  }
>}
>
>The render runs fine if I comment out "smooth" but I really need to have it
>as the render is very jagged looking.
>
>Any help would be great, thanks.
>
>Wayne
>

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