POV-Ray : Newsgroups : povray.general : Image map doesnt start at given coordinates : Re: Image map doesnt start at given coordinates Server Time
31 Jul 2024 08:20:07 EDT (-0400)
  Re: Image map doesnt start at given coordinates  
From: Penelope20k
Date: 24 Jul 2007 05:45:54
Message: <46a5ca52@news.povray.org>
the translate -.5  is optional ..only if you want the origin of you image to
be the center of your image ...
else the origin of you image will be 'the bottom left corner'





46a5c9bd@news.povray.org...
> image map is extended from <0,0> to <1,1>
>
> then if you create a box from <0.2,0.1> to <0.75,0.57> for exemple, the
> image will be always centered as <0,0> to <1,1>
>
>
> hence if you want an image map center then do always your object like this
>
>
> method one
>
> box {pt1, pt2
> texture {
>         pigment {
>         image_map{myimage}
>         translate -.5   // wil always centered you image to <0.5,0.5>
>         scale myscale  //scale to an ppropriate scale
>         translate pt3   //pt3 is the center of the face you want to
texture}
> should be (pt1+pt2)/2
>     // note: that will translate you pigment ...not your object
> }}}
>
> or
> box {  - corner , corner pigment {image_map {myimage}  translate -0.5
scale
> myscale}   translate Point2  // will translate your object and as well you
> pigment which as been applied on it}
>
>
>
>
>

> web.46a5b36b5f494fa5d779672f0@news.povray.org...
> > Hi all,
> >
> > I'm trying to apply an image map to a section of the wall. The image is
a
> > door which you can see here.
> > http://www.evolve.ro/files/nuc_national_p.jpg
> >
> > After rendering the door you can see that it is a little bit off.
> > http://www.evolve.ro/files/bedroom.jpg
> >
> > What do I have to do to make the mapping start from the first point and
> not
> > from the middle of the area?
> >
> > The code for the door is this
> >
> > box{<33,1,34><33,7,37>
> > pigment
> > { image_map
> >   { jpeg "./tiles/usi/nuc_national_p.jpg"
> >     map_type 0
> >   }
> >   scale 7
> >   rotate y*90
> > }
> > }
> >
> > Thanks
> >
> >
>
>


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