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Chris Huff <Chr### [at] compuservecom> wrote:
> There seems to be a problem with filtering objects, filter is treated
> like transmit. I haven't downloaded the bug-fixed version yet, but this
> seems to be unrelated to that bug.
> For example, this:
> sphere {< 0, 0, 0>, 1
> pigment {color Green filter 1}
> translate < 0, 1.0001, 0>
> }
> is invisible when placed on a ground plane, when it should show up as a
> green transparent sphere.
> This happens with #version 3.1 but not with #version 3.14159, I don't
> know if it happens in UVPov.
We tried it and we always get a correct image. The whole scene file we
used is included in this mail.
A little note:
if you set the version in the source, the setting in the prefs dialog
will be overwritten. Thaugt we could better tell you, we have been
looking for a bug that wasn't there. ;-)
There was a problem but that has been fixed by Nathan in 6.1, we waited
for v6.1 to release our version.
Are you sure you weren't working with a version you compiled yourself?
If you can reproduce it again with the nov 17 version, please e-mail us
the complete source and a prefs file.
A little advice: if you have questions about any patch we included,
please post your message in a group where you are more likely to get an
answer (patches, general,..) and give it an appropriate 'Subject'.
Smellenbergh
// Persistence of Vision Ray Tracer Scene Description File
// File: ?.pov
// Vers: 3.1
// Desc: Checkered Floor Example
// Date: mm/dd/yy
// Auth: ?
//
#include "colors.inc"
//#version 3.1;
global_settings
{
assumed_gamma 1.0
}
// ----------------------------------------
camera {
perspective
location <0.0, 1.5, -5>
up y*image_height right x*image_width
angle 60
look_at <0.0, 0.0, 0.0>
}
sky_sphere
{
pigment
{
gradient y
color_map { [0.0 color blue 0.6] [1.0 color rgb 1] }
}
}
light_source
{
0*x // light's position (translated below)
color red 1.0 green 1.0 blue 1.0 // light's color
translate <-30, 30, -30>
}
sphere {< 0, 0, 0>, 1
pigment {color Green filter 1}
translate < 0, 1.0001, 0>
}
// ----------------------------------------
plane
{
y, -1
pigment {
checker
rgbft <1.0, 1.0, 1.0, 0.0, 0.0>,
rgbft <0.6, 0.6, 0.6, 0.0, 0.0>
}
}
--
e-mail:sme### [at] skynetbe
http://users.skynet.be/smellenbergh
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>A little advice: if you have questions about any patch we included,
please post your message in a group where you are more likely to get an
answer (patches, general,..) and give it an appropriate 'Subject'.<
Ok, discussion continued under povray.unofficial.patches, in a message
titled "Unofficial MultiPatch filter bug?".
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For subsurf scat check out:
http://graphics.stanford.EDU/~henrik/
for a first start point....
hope, this is useful...
v
Zan
TonyB wrote:
> About blinn shading, no, not really. Perhaps somewhere on Kinetix's site, or
> you can look around. About the subsurf scat, someone recently posted a link
> to the original inspiration to Nathan Kopp's photon mapping and it's in
> there.
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