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On Mon, 04 Oct 2004 19:36:12 +1000, Peter Duthie
<pli### [at] warlordsofbeercom> wrote:
>Is it possible to set the frequency of a cylindrically mapped image map
>to something other than one?
>
>Ie, currently if I map an image bitmap to a cylinder (map_type 2), I get
>an image wrapped once around the Y axis, as documented. However, what I
>would like to do is map the texture such that N copies wrap around the Y
>axis.
>
>For example, lets say I have a seamless texture, and a very large
>cylinder close to the camera. Up close the texture looks grainy, as it
>is only wrapped once about the Y axis, however as it's seamless, and the
>camera is only seeing a small portion of the surface, one could get away
>with increasing the frequency of the texture about the Y axis to
>something greater than one (and scale on the y axis appropriately).
>
>Is this possible? If so, how?
>
#declare desired_frequency = 2; // integer >= 1
pigment {
image_map {
tga "whatever.tga"
}
scale <1/desired_frequency, 1, 1>
warp { cylindrical }
}
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