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Hi,
currently i give Moray a try and experiment with Radiosity. I build
a simple scene with a sphere over a plane. The sphere first had the
material Water1 from the Library. Computing the scene with radiosity
in Megapov and without any ambient light results in the sphere shining
blue and illuminating the plane. I tried to modify the color of the
sphere but everytime i do this the result is a black image. It seems
that only rgbf <0,0,1,0.9> gives this result with the possibility to
very small changings. E.g. if i modify rgbf to <0,0,0.95,0.9> its too
much change. Can someone explain this to me? Why is it not possible
to light a scene by a sphere with color <1,1,1,0.9>?
// File: rad2.inc
// Material Include file.
//
// This file was generated for POV-Ray V3.1 by
// NOTE: Do *NOT* remove the comment lines containing '$MRY$'.
// To make Moray not re-export the material, change
// the '$MRY$' to '$MRX$'.
//
//
// ******** MATERIALS *******
//
// Materials from previous exports [MRY]
// Materials exported in this run [MRY]
// $MRY$: 'Ebene'
#declare Ebene =
material // Ebene
{
texture
{
pigment
{
color rgb <1.0, 1.0, 1.0>
}
}
}
// $MRY$: 'Water1'
#declare Water1 =
material // Water1
{
texture
{
pigment
{
color rgbf <0.0, 0.0, 1.0, 0.9>
}
}
}
// $MRY$: 'PDB_Tex_C'
#declare PDB_Tex_C =
material // PDB_Tex_C
{
texture
{
pigment
{
color rgb <1.0, 1.0, 1.0>
}
finish
{
ambient 0.15
specular 0.309333
roughness 0.006177
}
}
}
// File: rad2.pov
// Persistence of Vision Raytracer V3.1
// World definition file.
//
// Contains 0 lights, 3 materials and 3 primitives.
//
// This file was generated for POV-Ray V3.1 by
// Moray V3.3 For Windows Copyright (c) 1993-2000 Lutz + Kretzschmar
//
// Date : 07/10/2001 (10.07.2001)
//
/*
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 V3.3 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
max_trace_level 10
number_of_waves 10
radiosity {
brightness 130.0
count 100
distance_maximum 10.0
error_bound 0.1
gray_threshold 0.1
low_error_factor 0.01
minimum_reuse 0.01
nearest_count 3
recursion_limit 7
}
}
background { color <0.000,0.000,0.000> }
camera { // Camera Camera01
location < 1.037, -8.000, 5.074>
sky < 0.00000, 0.00000, 1.00000> // Use right
handed-system
up < 0.0, 0.0, 1.0> // Where Z is up
right < 1.38192, 0.0, 0.0> // Right Vector is
adjusted to compensate for spherical (Moray) vs. planar (POV-Ray) aspect
ratio
angle 54.40000 // Vertical 40.800
look_at < 0.000, 0.000, 1.000>
}
//
// ******** MATERIALS *******
//
#include "rad2.inc"
//
// ******** REFERENCED OBJECTS *******
//
//
// ******** OBJECTS *******
//
box { // Cube001
<-1, -1, -1>, <1, 1, 1>
material {
PDB_Tex_C
}
scale <0.1, 0.1, 1.0>
translate <1.49505, -2.446446, 1.0>
}
sphere { // Sphere002
<0,0,0>,1
material {
Water1
}
translate <-1.143836, -2.9901, 2.542269>
}
plane { // Plane001
z,0
material {
Ebene
}
}
// File rad2.ini
All_Console=On
All_File=
Bounding=On
Bounding_Threshold=3
Buffer_Output=Off
Buffer_Size=0
Clock=0
Create_Ini=rerun.ini
Cyclic_Animation=Off
Debug_Console=On
Debug_File=
Display_Gamma=2.2
Draw_Vistas=Off
Fatal_Console=On
Fatal_Error_Command=
Fatal_Error_Return= I
Fatal_File=
Field_Render=Off
Output_Alpha=On
Output_File_Name=
Output_to_File=On
Output_File_Type=N
Final_Clock=1
Final_Frame=-1
Histogram_Name=
Histogram_Grid_Size=0.0
Histogram_Type=X ; NONE
Initial_Clock=0
Initial_Frame=1
Library_Path=
Light_Buffer=On
Odd_Field=Off
Palette=3
Post_Frame_Command=
Post_Frame_Return= I
Post_Scene_Command=
Post_Scene_Return= I
Preview_End_Size=1
Preview_Start_Size=1
Pre_Frame_Command=
Pre_Frame_Return= I
Pre_Scene_command=
Pre_Scene_Return= I
Quality=9
Remove_Bounds=On
Render_Console=On
Render_File=
Sampling_Method=1
Split_Unions=Off
Statistic_Console=On
Statistic_File=
Subset_End_Frame=-1
Subset_Start_Frame=-1
Test_Abort_Count=100
User_Abort_Command=
User_Abort_Return= I
Version=3.1
Video_Mode=0
Vista_Buffer=On
Warning_Console=On
Warning_File=
Bits_Per_Color=8
Radiosity=On
Width = 800
Height = 600
Antialias = On
Antialias_Threshold = 0.4
Jitter=On
Jitter_Amount = 0.0
Antialias_Depth = 2
Sampling_Method = 2
Pause_When_Done = Off
Display = On
Verbose = Off
Continue_Trace = Off
Test_Abort = On
Input_File_Name = rad2.pov
Output_File_Type = N
Preview_Start_Size=1
Preview_End_Size=1
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