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Bob Hughes wrote:
>
> "Christoph Hormann" <Chr### [at] schunteretctu-bsde> wrote in
> message news:3996D0BA.8D6C3D2F@schunter.etc.tu-bs.de...
> |
> | Jens Strohmeyer wrote:
> | >
> | > i need to know how to fix a SINGLE image
> | > to a surface, e.g. how to fix a bitmap on a special
> | > position on a cylinder. can anyone help ?
> |
> | Don't know, what you exactly mean, but you can add "once" to an image_map
> to
> | avoid tiling. Example:
> |
> | image_map {
> | png "test.png"
> | once
>
> map_type 2 // for putting on cylindrical objects and such
> filter 255, 1 // palette entry 255 will be clear (use 256 color image
> only though)
>
> | }
> |
> | Furthermore you can translate and scale it like every other texture.
>
> The thing to keep in mind is to use a image which is ready to apply. What I
> mean by that is, if you want it only partially on the object like a bottle
> label instead of a can label you will need to set the applicable part of the
> image into another larger image and then set that images background color to
> be clear. That will then wrap fully around the cylinder and leave the
> intended portion only on one area, otherwise it will get put 360 degrees
> around (and 1 unit tall from 0 to 1 y without further scaling/translating).
> If you can't use a paletted image then the next best thing would be planar,
Or a combination of frequency and radial (frequency to "scale" the
image to the right scale and radial to only show the wanted part).
--
* Doctor Jekyll had something * mailto:ber### [at] inamecom
* to Hyde... * http://www.enst.fr/~jberger
*******************************
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