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Your original post, from April 3rd of this year, is still on the news server.
Is this what you were looking for?
Subject:
Re: Image Map Tutorial?
Date:
Thu, 6 Apr 2000 22:20:49 -0700
From:
"Chris Spencer" <chr### [at] bluelectrode com>
Newsgroups:
povray.general
References:
1 , 2 , 3 , 4 , 5 , 6
> Oh wow, confusing me :-)
> Anyway, all you're really needing is to center the image first then scale
it to
> the size you have set in the camera. Since the image starts off as 1 unit
> square with lower left corner at <0,0,0> then you want to do 'translate
> <-0.5,-0.5,0>' and then 'scale <25,25,1>' and finally 'rotate 90*x' for
the
> camera to see it.
> That should be it I think. That plane {z,-10 is not going to show up
though.
> The camera will be looking parallel along it and therefore see nothing of
it.
That worked out fine. The checkered plane was there for a later 3D view,
when the ortho camera was commented out.
I tried mapping the image as a spherical type, but it became incredibly
distorted. Planar seemed the best option and didn't distort much.
Thanks again,
-Chris-
> If I'm understanding this right then you are trying to get a spherical
image
> which is actually mapped on as planar to be seen orthographically which
then no
> longer has any spherical quality. Which is why I got confused. Anyone
else?
Kevin Jackson-Mead
http://www.mindspring.com/~jacksonmead
"Chris S." wrote:
> A long time ago I asked this question, and received an excellent answer, yet
> I've long since forgotten what was said(and the post unretrievable). My
> question concerns the basics of image mapping a "decal" on an object. The
> basics of what I remember involve giving the object an ambient texture and
> then using an orthographic camera to render an image later to be used as a
> template in a paint program. What I do not remember are the
> scaling/translation rules, based on the settings of the camera, used to
> place the image map.
>
> Guidance much appreciated,
> --
> -Chris-
>
> ICQ 85873475
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