"Tom Melly" <tom### [at] tomandluforce9couk> wrote in message
news:3879cd93@news.povray.org...
My problem is this - I want a hf of a slanted hill/cliff with a different
texture on top to the bare rock shown at the sides (the exposed cliff).

    I use two images, duplicates of the same original, then convert one to
greyscale and blur it , then rescale the other so that the image_map drapes
over the height_field a little.

    Here is a quick example (read:quality very limited)


height_field
{
  tga "cliff-3.tga"
  water_level 0.2
  smooth
  texture
  {
    pigment
    {
      image_map { tga "cliff-1.tga" map_type 0 interpolate 2 once  }
      rotate x*90
      scale .98
    }
  }
}

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Attachments:
Download 'Cliff001.jpg' (15 KB) Download 'Cliff-2.jpg' (4 KB) Download 'Cliff-1.jpg' (12 KB)

Preview of image 'Cliff001.jpg'

Preview of image 'Cliff-2.jpg'

Preview of image 'Cliff-1.jpg'