POV-Ray: Newsgroups: povray.unofficial.patches: UberPOV does not render shadows of an object with a texture map, POV does.: UberPOV does not render shadows of an object with a texture map, POV does.

POV-Ray : Newsgroups : povray.unofficial.patches : UberPOV does not render shadows of an object with a texture map, POV does. : UberPOV does not render shadows of an object with a texture map, POV does.		Server Time 17 Jan 2025 10:47:08 EST (-0500)

From: Ard
Date: 23 Sep 2014 06:45:01
Message: <web.54214e42b2c0e8b8b6820d7a0@news.povray.org>

Hi folks.  Hope you can help.  The two boxes in this scene cast shadows onto the
usual plane when I render it with vanilla POV-Ray, but UberPOV does not cast a
shadow behind the one with the texture map.

Uber build 1.37.1.0-beta.8.msvc10.win64

scenes/textures/pigments/txtrmap.pov also renders differently, which makes me
think this is more likely to be a bug than my doing something dumb, but I will
take either.

Sorry not to chase this down and submit a patch myself, but the last time I
looked at this tracer it was called DKB!

Thanks in advance.  Scene follows:


camera { location <0, 5, -5> look_at 0}
plane {  y, -2 texture { pigment { checker colour rgb y colour rgb z} }}
light_source { <2.5, 5.5, -3> rgb 1 }

box { -1, 1
  texture { wood
    texture_map {
      [ 0 pigment { rgb 0.5 } ]
      [ 1 pigment { rgb 1 } ]
    } } }

box { 0 2 pigment {rgb x} }

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