Le_Forgeron <lef### [at] freefr> wrote:
> Le 06/01/2011 09:31, zalakainz a écrit :
> > I have a problem with windows64 version 3.7 RC1:
> >  The image in the window POVRAY not match the saved to disk.
> >  Am I doing something wrong or is the fault of povray?.
> >  Thanks
>
> Both png seems similar to me.

I clearly observed bands of color in the image saved to disk.

> The screen capture has no gamma information, whereas the rendered one
> has a gamma info of .45455 (traditional 2.2) with an histogram.
Sorry, too technical for me

> May be your visualisation program has some issue with gamma handling ?
> (default for png when no gamma info is provided is 2.2, IIRC)

I used photoshop and Irfanview

> Try rendering to another format (+FB for bmp, +FJ for jpeg) to check.

yes I tried to save the image to the format. hdr. exr. bmp with the same
result

> Have you checked the message log panel ?
Preset INI file is
'C:\USERS\ADMINISTRADOR\DOCUMENTS\POV-RAY\V3.7\INI\QUICKRES.INI', section is
'[800x600, No AA]'.
Preset source file is 'C:\Users\Administrador\Documents\borrar\Exp1.pov'.
Rendering using command line 'File_Gamma=sRGB Display_Gamma=sRGB'.
Rendering with 1 thread.
Parser Options
  Input file: C:\Users\Administrador\Documents\borrar\Exp1.pov
  Remove bounds........On
  Split unions.........Off
  Library paths:
    C:\Users\Administrador\Documents\POV-Ray\v3.7\scenes\camera\mesh_camera\
    C:\Program Files (x86)\POV-Ray for Windows v3.6\INCLUDE
    C:\Windows\Fonts
    C:\Program Files (x86)\POV-Ray for Windows v3.6\INCLUDE\LightsysIV
    C:\Users\Administrador\Documents\POVEXPORT
    C:\Users\Administrador\Documents\POV-Ray\v3.7\include
  Clock value:    0.000  (Animation off)
Image Output Options
  Image resolution.....800 by 600 (rows 1 to 800, columns 1 to 600).
  Output file..........C:\Users\Administrador\Documents\borrar\Exp1.png, 24 bpp
PNG
  Dithering............Off
  Graphic display......On  (gamma: sRGB)
  Mosaic preview.......Off
  Continued trace......Off
Information Output Options
  All Streams to console..........On
  Debug Stream to console.........On
  Fatal Stream to console.........On
  Render Stream to console........On
  Statistics Stream to console....On
  Warning Stream to console.......On
Parse Warning: This rendering uses the following experimental feature(s):
radiosity. The design and implementation of these features is likely to change
in future versions of
POV-Ray. Backward compatibility with the current implementation is not
guaranteed.

Parser Statistics

Finite Objects:            2
Infinite Objects:          0
Light Sources:             1
Total:                     3

Parser Time
  Parse Time:       0 hours  0 minutes  0 seconds (0.000 seconds)
              using 1 thread(s) with 0.000 CPU-seconds total
  Bounding Time:    0 hours  0 minutes  0 seconds (0.000 seconds)
              using 1 thread(s) with 0.000 CPU-seconds total

Render Options
  Quality:  9
  Bounding boxes.......On   Bounding threshold: 3
  Antialiasing.........Off

Render Statistics
Image Resolution 800 x 600

Pixels:           482505   Samples:               0   Smpls/Pxl: 0.00
Rays:            5045505   Saved:                 0   Max Level: 2/5

Ray->Shape Intersection          Tests       Succeeded  Percentage

Mesh                           7061303         7061301    100.00
Sphere                          104548           46978     44.93
Bounding Box                 174360260        54282663     31.13

Shadow Ray Tests:           2016285   Succeeded:                     0

Radiosity samples calculated:             4563 (0.95 %)
  discarded due to low quality:             30
  retained for re-use:                    4533
Radiosity samples reused:               477942
Radiosity sample rays shot:            4563000
Radiosity octree nodes:                    809
Radiosity octree samples/node:            5.64
Radiosity blocks examined:            50722920
Radiosity blocks passed test 0:       50722920 (100.00 %)
Radiosity blocks passed test 1:        6464501 (12.74 %)
Radiosity blocks passed test 2:        5877733 (11.59 %)
Radiosity blocks passed test 3:        5863918 (11.56 %)
Radiosity blocks passed test 4:        5863918 (11.56 %)
Radiosity blocks passed test 5:        5678822 (11.20 %)
Radiosity blocks rejected:            45044098 (88.80 %)

Radiosity Depth 0 calculated:             4563 (0.95 %)
Radiosity Depth 0 reused:               477942
Radiosity Depth 0 rays shot:           4563000

Radiosity (final) calculated:             2058 (0.43 %)
Radiosity (final) reused:               477942
Radiosity (final) rays shot:           2058000

  Pass     Depth 0           Total

  1            130             130
  2            475             475
  3           1900            1900
  Final       2058            2058

  Total       4563            4563
  Weight     0.800

Render Time:
  Photon Time:      No photons
  Radiosity Time:   0 hours  0 minutes  6 seconds (6.390 seconds)
              using 1 thread(s) with 6.359 CPU-seconds total
  Trace Time:       0 hours  0 minutes  8 seconds (8.594 seconds)
              using 1 thread(s) with 8.562 CPU-seconds total
POV-Ray finished
-
CPU time used: kernel 0.42 seconds, user 15.81 seconds, total 16.23 seconds.
Elapsed time 16.13 seconds.
Render averaged 29767.44 PPS (29566.89 PPS CPU time) over 480000 pixels.
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