POV-Ray : Newsgroups : povray.newusers : image on sphere is reversed. : Re: image on sphere is reversed. Server Time
5 Sep 2024 22:20:39 EDT (-0400)
  Re: image on sphere is reversed.  
From: Bob Hughes
Date: 25 Aug 1999 14:50:41
Message: <37c43b01@news.povray.org>
Oh, and never mind that 'once' keyword for spherical 'map_type 1',
doesn't do anything.

Bob

Bob Hughes <inv### [at] aolcom> wrote in message
news:37c43a94@news.povray.org...
> Change the "rotate <0,180,180>", it's turning the whole thing upside
> down and around. Try 'rotate <0,180,0> instead to see. Also be
careful
> of using multiple vector values in a rotation rather than multiple
> individual rotations. You can't control the order otherwise.
>
> Bob
>
> Chuck Roberts <rob### [at] accnorg> wrote in message
> news:37C438BC.100EE10A@accn.org...
> > Here is the pertinent code:
> > #version 3
> > #include "colors.inc"
> > global_settings
> > {assumed_gamma 1.0
> > }
> > #default {texture {pigment { color Red } } };
> > // ----------------------------------------
> > camera
> > {
> >   location  <0.0, 1.5, -6.0>
> >   direction 1.5*z
> >   right     4/3*x
> >   look_at   <1.0, 0.0,  0.0>
> > }
> >
> > file://Earth
> > sphere
> > {<0,0,0> 1
> >   texture  { pigment
> >     {
> >       image_map
> >       {
> >         sys "earthmap.bmp" // supports gif, tga, png, sys (bmp)
> >         map_type 1    // 1=spherical mapping
> >         file://interpolate 2 // smooth it
> >         once          // don't tile image, just one copy
> >
> >       }
> >       // transform it to unit-size (-1 to +1)
> > //        translate <0,180,0>
> > //        scale .7              // make it unit-sized
> >         rotate<0,180,180>      file://rotate on Y axis over n
frames
> >     }
> >     finish {ambient 0.3}
> >   }
> >     scale 1
> > }
>
>


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