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Hiya,
Any reason why megaPOV 0.5a will render only a black scene with some
of my POV files? Most render and re-render fine if I stop them part
way through a render. Some just show that they rendered completely but
are all black. I only found this with scenes containg radiosity and
photon mapping. When this happens, I have to end MegaPOV and
completely restart the program EVERY time. Also, I don't think the
comments would have anything to do with it. And the INC file has been
included in the scene file so there are no outside references to
mterials or objects. This only started happening when I started
getting more accurate with the radiosity and photon settings.
SPECS: 256mb SDRAM
Win98SE/Win2000
V3 3000 AGP
Thanks, and any help would be appreciated but not expected.
The following are the file contents:
// Persistence of Vision Raytracer V3.1
// World definition file.
//
// Contains 1 lights, 6 materials and 9 primitives.
//
// This file was generated for POV-Ray V3.1 by
// Moray V3.2 For Windows Copyright (c) 1993-2000 Lutz + Kretzschmar
//
#version unofficial MegaPov 0.5;
// Date : 07/19/2000 (19.07.2000)
//
/*
The text between these two comments is in MorayPOV.INC and is
automatically included in all POV files that Moray exports.
*/
default {
texture {
pigment { rgb <1,0,0> }
}
}
/* // Scene Comment
This scene was created with Moray For Windows.
*/ // End Scene Comment
global_settings {
// adc_bailout 0.003922
ambient_light <0.0,0.0,0.0>
assumed_gamma 1.9
hf_gray_16 off
irid_wavelength <0.247059,0.176471,0.137255>
max_intersections 64 // 64
max_trace_level 8 // 16
number_of_waves 10
radiosity{
pretrace_start 0.08 // 0.04
pretrace_end 0.04 // 0.02
count 400 // CHANGE range from 20 to 150 (max is 1600)
400 200 75
media 100 // -100
nearest_count 3 // CHANGE range from 3 to 20 // 6 4
3 1
error_bound 0.1 // CHANGE - range from 1 to 3 // 0.2
0.1 0.6
recursion_limit 1 // CHANGE
// distance_maximum 4.0 // 3.0
low_error_factor 0.3 // leave this 0.2 0.8 0.3 0.1
gray_threshold 0.0 // leave this 0.0
minimum_reuse 0.015 // leave this 0.015 or 0.000 0.31
0.1 - blotchiness below 0.4
brightness 2.0 // leave this 1.0
// max_sample -100.0
adc_bailout 0.1/0 // CHANGE - use adc_bailout = 0.01 /
brightest_ambient_object 0.01/2 0.5/0
normal on
media on
save_file "c01.rad" //
// load_file "c01.rad"
always_sample on
} /**/
photons{
// spacing 0.035 // 0.005 0.0075 0.0025 0.004
0.035
gather 20, 100 // 20, 100
autostop 0.01 // //
radius 5.0 // 1.0 0.2
expand_thresholds 100, 100 //
count 300000 // count 2000000 3000000 //
// max_trace_level 12
jitter 5.0 // jitter 8.0 0.75 1.0 3.0
// media 100 , 100
save_file "c01.ph" //
// load_file "c01.ph"
reflection_blur on
} /**/
}
background { color <0.000,0.000,0.000> }
camera { // Camera StdCam
location < -0.051, -10.119, 0.651>
sky < 0.00000, 0.00000, 1.00000> // Use right
handed-system
up < 0.0, 0.0, 1.0> // Where Z is up
right < 1.36295, 0.0, 0.0> // Right Vector is
adjusted to compensate for spherical (Moray) vs. planar (POV-Ray)
aspect ratio
angle 43.30465 // Vertical 32.478
look_at < -0.028, 0.005, 0.111>
}
//
// ******* L I G H T S *******
//
light_source { // Spotlight Spotlight001
<0.0, 0.0, 0.0>
color rgb <0.9, 0.9, 0.9>
area_light <2.0, 0.000, 0.000>, <0.000, 2.0, 0.000>, 8, 8 /**/
adaptive 2
jitter
spotlight
point_at <0.0, 0.0, -2.000>
falloff 100.000 // outer radius (in deg)
radius 45.000 // inner radius
tightness 0.000
fade_distance 3.3 //
fade_power 2.0
media_attenuation on
scale <0.944956, 0.854249, 0.00001>
media_attenuation on
translate 2.280531*z
photons {
global
refraction on
reflection on
area_light //
}
}
//
// ******** MATERIALS *******
//
// $MRY$: 'white light'
#declare white_light =
material // white light
{
texture
{
pigment
{
color rgb <1.0, 1.0, 1.0>
}
finish
{
ambient 100.0
diffuse 100.0
brilliance 100.0
phong 0.0
phong_size 0.0
specular 0.0
roughness 0.0
}
}
}
// $MRY$: 'glass_mat'
#declare glass_mat =
material // glass_mat
{
texture
{
pigment
{
color rgbt <0.0, 0.0, 0.0, 1.0>
}
finish
{
ambient 0.0
diffuse 1.0
brilliance 0.0
/* phong_size 0.0
phong 0.0
specular 0.0 */
roughness 0.0
reflection_type 1
reflection_min 0.1 // 0.3 0.2 0.1 0.1 0.1
0.1
reflection_max 0.1 // 0.1 0.5 0.6 0.5 0.2
0.1
}
}
interior
{
ior 1.66
/* caustics 1.0
media
{
emission rgbft <0.0, 0.0, 0.0, 0.0, 0.0> // <0.0,
0.0, 0.0, 1.0, 1.0>
} */
}
}
// $MRY$: 'chrome_mat'
#declare chrome_mat =
material // chrome_mat
{
texture
{
pigment
{
color rgb <0.0, 0.0, 0.0>
}
finish
{
ambient 0.0
diffuse 0.0
brilliance 0.0
phong_size 0.0
roughness 0.0
reflection 1.0
}
}
}
// $MRY$: 'left_mat'
#declare left_mat =
material // left_mat
{
texture
{
pigment
{
color rgb <0.937, 0.463, 0.463>
}
finish
{
ambient 0.0
diffuse 1.0
phong_size 0.0
roughness 0.0
}
}
}
// $MRY$: 'right_mat'
#declare right_mat =
material // right_mat
{
texture
{
pigment
{
color rgb <0.474510, 0.439216, 0.74902>
}
finish
{
ambient 0.0
diffuse 1.0
phong_size 0.0
roughness 0.0
}
}
}
// $MRY$: 'walls_mat'
#declare walls_mat =
material // walls_mat
{
texture
{
pigment
{
color rgb <0.729020, 0.729020, 0.729020>
}
finish
{
ambient 0.0
diffuse 1.0
phong_size 0.0
roughness 0.0
}
}
}
//
// ******** REFERENCED OBJECTS *******
//
//
// ******** OBJECTS *******
//
box { // floor
<-1, -1, -1>, <1, 1, 1>
material {
walls_mat
}
scale <0.000507, 4.448451, 2.801902>
rotate -90.0*y
translate <0.0, 0.0, -2.27461>
}
box { // top
<-1, -1, -1>, <1, 1, 1>
material {
walls_mat
}
scale <0.000507, 4.448451, 2.801902>
rotate -90.0*y
translate <-0.014077, 0.0, 2.28461>
}
box { // rightwall
<-1, -1, -1>, <1, 1, 1>
material {
right_mat
}
scale <0.000507, 4.448451, 2.295117>
translate <2.77324, 0.0, 0.014077>
}
box { // backwall
<-1, -1, -1>, <1, 1, 1>
material {
walls_mat
}
scale <0.000507, 2.8014, 2.295117>
rotate 90.0*z
translate <-0.014077, 4.42146, 0.014077>
}
box { // leftwall
<-1, -1, -1>, <1, 1, 1>
material {
left_mat
}
scale <0.000507, 4.448451, 2.295117>
translate <-2.801395, 0.0, 0.014077>
}
box { // lightbox
<-1, -1, -1>, <1, 1, 1>
material {
white_light
}
scale <0.944956, 0.854249, 0.00001>
translate <-0.032521, 0.943114, 2.280532>
}
sphere { // glass
<0,0,0>,1
material {
glass_mat
}
scale 0.9
translate <1.306932, 0.602898, -1.416993>
photons {
target 1.0
refraction on
reflection on
//ignore_photons
} /**/
}
sphere { // chrome
<0,0,0>,1
material {
chrome_mat
}
scale 0.9
translate <-1.354372, 2.131973, -1.402916>
photons {
target 1.0
refraction off
reflection on
//ignore_photons
} /**/
}
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