The current Windows version of POV-Ray does not fully support forward slashes in pathnames; specifically, POV-Ray fails to recognize drive letters when followed by a forward slash, e.g. “C:/foo/bar.pov” or “C:/foo\bar.pov”, rejecting such names for e.g. Input_File_Name.

Recruit version 3.7 documentation editors from the users community.

The following scene has four spheres with different pigment color & filter settings:

- Left: filter 1
- Right: filter 0

- Top: red 0.0 green 0.5 blue 1.0
- Bottom: red 0.00 green 0.05 blue 0.10 (10% of the above)

Background is set to black, so that we only see the diffuse component of the object’s effective color.

Theoretically, both left spheres should be invisible, as they are fully transmissive (with a filtering effect), but apparently with a high filter setting, reducing an object’s pigment color actually increases the object’s effective diffuse color.

//+w600 +h600

global_settings{ assumed_gamma 1.0 }

camera {
  orthographic
  location  <0,0,-10>
  right 4*x
  up 4*y
  look_at   <0,0,0>
}

light_source{<10,10,-10> color rgb 1 parallel }

background { color rgb 0 }

default {
  finish {
    ambient 0
    diffuse 1
    specular 0
    phong 0
    reflection { 0.0 }
  }
}


sphere { <-1, 1, 0>, 0.8 texture { pigment { color rgb <0,0.5,1.0> filter 1.0 } } }
sphere { < 1, 1, 0>, 0.8 texture { pigment { color rgb <0,0.5,1.0> filter 0.0 } } }

sphere { <-1,-1, 0>, 0.8 texture { pigment { color rgb <0,0.5,1.0>*0.1 filter 1.0 } } }
sphere { < 1,-1, 0>, 0.8 texture { pigment { color rgb <0,0.5,1.0>*0.1 filter 0.0 } } }

This bug has been around in 3.6 already.

It would be nice when quitting a render if the remaining space were filled with empty pixels. That way the partial render will still be viewable in all image apps.

File output code for virtually all file formats performs gamma correction on unclipped color values, which leads to issues when color values happen to be negative for some reason and gamma does not happen to be an integer value such as 1.0 or 2.0. As a consequence, subsequent steps (clipping and converting to integer) apparently produce compiler-dependent results. Compiled with Microsift or Intel compilers, POV-Ray seems to write zero brightness in such cases, while compiled with g++ 4.4 (and possibly other compilers) it seems to write full brightness instead.

(See thread news://news.povray.org:119/4ba819f6@news.povray.org for examples.)

The proper solution should be to apply gamma correction after clipping.

I can no longer run a Myfile.ini over a network, on a different computer.

Possiblely related to:

    http://bugs.povray.org/task/97   FS#97  (Forward-slash pathnames not fully supported in Windows version)

-
Cannot open INI file
‘\\STEPHEN-POVRAY\Bishop3d\Objects\Industrial_enclosure\Telco_enclosure_extra.ini’.
Failed to start render: Failed to parse INI file

I tried to use 3.7 RC3. This was my first time with 3.7.

I got source, configured and compiled it and installed into Debian with checkinstall. And then I tried to use it. First run was with -benchmark (it took about 9 minutes, ok). Then I tried very simple scene:

rekcahx@oah:~/pov$ povray +Iaa.pov
povray: This is a RELEASE CANDIDATE version of POV-Ray. General distribution is discouraged.
Failed to parse command-line option

I tried to debug with strace:

rekcahx@oah:~/pov$ strace -o debug.strace povray +Iaa.pov
povray: This is a RELEASE CANDIDATE version of POV-Ray. General distribution is discouraged.
Persistence of Vision™ Ray Tracer Version 3.7.0.RC3 (g++ 4.6.1 @
x86_64-unknown-linux-gnu)
This is a release candidate of POV-Ray version 3.7.0.
General distribution is strongly discouraged.

POV-Ray is based on DKBTrace 2.12 by David K. Buck & Aaron A. Collins
Copyright 1991-2003 Persistence of Vision Team
Copyright 2003-2011 Persistence of Vision Raytracer Pty. Ltd.

Primary POV-Ray 3.7 Architects/Developers: (Alphabetically)

Chris Cason         Thorsten Froehlich  Christoph Lipka   

With Assistance From: (Alphabetically)

Nicolas Calimet     James Holsenback    Christoph Hormann   Nathan Kopp       
Juha Nieminen     

Past Contributors: (Alphabetically)

Steve Anger         Eric Barish         Dieter Bayer        David K. Buck     
Nicolas Calimet     Chris Cason         Aaron A. Collins    Chris Dailey      
Steve Demlow        Andreas Dilger      Alexander Enzmann   Dan Farmer        
Thorsten Froehlich  Mark Gordon         James Holsenback    Christoph Hormann 
Mike Hough          Chris Huff          Kari Kivisalo       Nathan Kopp       
Lutz Kretzschmar    Christoph Lipka     Jochen Lippert      Pascal Massimino  
Jim McElhiney       Douglas Muir        Juha Nieminen       Ron Parker        
Bill Pulver         Eduard Schwan       Wlodzimierz Skiba   Robert Skinner    
Yvo Smellenbergh    Zsolt Szalavari     Scott Taylor        Massimo Valentini 
Timothy Wegner      Drew Wells          Chris Young       

Other contributors are listed in the documentation.

Support libraries used by POV-Ray:

ZLib 1.2.3.4, Copyright 1995-1998 Jean-loup Gailly and Mark Adler
LibPNG 1.2.44, Copyright 1998-2002 Glenn Randers-Pehrson
LibJPEG 62, Copyright 1998 Thomas G. Lane
LibTIFF 3.9.5, Copyright 1988-1997 Sam Leffler, 1991-1997 SGI
Boost 1.46, http://www.boost.org/
OpenEXR, Copyright (c) 2004-2007, Industrial Light & Magic.

Parser Options

Input file: aa.pov
Remove bounds........On 
Split unions.........Off
Library paths:
  /usr/share/povray
  /usr/share/povray/ini
  /usr/share/povray/include
Clock value:    0.000  (Animation off)

Image Output Options

Image resolution.....320 by 240 (rows 1 to 240, columns 1 to 320).
Output file..........aa.png, 24 bpp PNG
Dithering............Off
Graphic display......Off
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 

[Parsing...]

Parse Time:       0 hours  0 minutes  0 seconds (0.001 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

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

[Rendering...]

Photon Time:      No photons
Radiosity Time:   No radiosity
Trace Time:       0 hours  0 minutes  0 seconds (0.016 seconds)
            using 4 thread(s) with 0.036 CPU-seconds total

I/O restrictions:          disabled
X Window display:          enabled (using SDL)
Supported image formats:   gif tga iff ppm pgm hdr png jpeg tiff openexr
Unsupported image formats: -

Build architecture:  x86_64-unknown-linux-gnu
Built/Optimized for: x86_64-unknown-linux-gnu (using -march=native)
Compiler vendor:     gnu
Compiler version:    g++ 4.6.1
Compiler flags:      -pipe -Wno-multichar -Wno-write-strings -fno-enforce-eh-specs -s -O3 -ffast-math -march=native -pthread

Hi,

when I’m trying to render a scene on my MacBook Air with the following .ini-settings, I get a failed assertion and the program halts.

Here are the .ini-Settings:

Width=640
Height=480

Test_Abort=Off
Continue_Trace=On
Pause_When_Done=Off
Verbose=On
Draw_Vistas=Off
Sampling_Method=1
Quality=9
Jitter=Off
Display=Off
Buffer_Output=Off
Debug_File=false

Final_Frame=10

This is the failed assertion:

Assertion failed: 1), function SetRGBFTValue, file image/image.cpp, l

Oddly, if I change width and height to something very small like 320×200, it works.

This is the complete stack trace:

Process: povray [11188]
Path: /opt/local/bin/povray
Identifier: povray
Version: ??? (???)
Code Type: X86-64 (Native)
Parent Process: bash [11184]

Date/Time: 2014-03-07 14:44:04.423 +0100
OS Version: Mac OS X 10.7.5 (11G63)
Report Version: 9

Interval Since Last Report: 708124 sec
Crashes Since Last Report: 23
Per-App Crashes Since Last Report: 21
Anonymous UUID: FB98BF62-1511-4E59-94F3-E89C04491CA5

Crashed Thread: 3

Exception Type: EXC_CRASH (SIGABRT)
Exception Codes: 0×0000000000000000, 0×0000000000000000

Application Specific Information:
objc[11188]: garbage collection is OFF
Assertion failed: 2), function SetRGBFTValue, file image/image.cpp, line 1827.

Thread 0:: Dispatch queue: com.apple.main-thread
0 libsystem_kernel.dylib 0x00007fff96134bca psynch_cvwait + 10
1 libsystem_c.dylib 0x00007fff90454274 _pthread_cond_wait + 840
2 povray 0x000000010eba589d bool boost::condition_variable_any::do_wait_until<boost::unique_lock<boost::mutex> >(boost::unique_lock<boost::mutex>&, timespec const&) + 77
3 povray 0x000000010eba0846 vfe::vfeSession::GetStatus(bool, int) + 198
4 povray 0x000000010ebc0147 SDL_main + 3511
5 povray 0x000000010ed4d621 -[SDLMain applicationDidFinishLaunching:] + 49
6 com.apple.Foundation 0x00007fff8bc3ad0e -[NSNotificationCenter addObserver:selector:name:object:]_block_invoke_1 + 47
7 com.apple.CoreFoundation 0x00007fff8fcda7ba _CFXNotificationPost + 2634
8 com.apple.Foundation 0x00007fff8bc26fc3 -[NSNotificationCenter postNotificationName:object:userInfo:] + 65
9 com.apple.AppKit 0x00007fff8ef08e2b -[NSApplication _postDidFinishNotification] + 212
10 com.apple.AppKit 0x00007fff8ef08b91 -[NSApplication _sendFinishLaunchingNotification] + 78
11 com.apple.AppKit 0x00007fff8ef07858 -[NSApplication(NSAppleEventHandling) _handleAEOpenEvent:] + 242
12 com.apple.AppKit 0x00007fff8ef075b9 -[NSApplication(NSAppleEventHandling) _handleCoreEvent:withReplyEvent:] + 330
13 com.apple.CoreFoundation 0x00007fff8fd24541 -[NSObject performSelector:withObject:withObject:] + 65
14 com.apple.Foundation 0x00007fff8bc5d7c7 -[NSAppleEventManager setEventHandler:andSelector:forEventClass:andEventID:]_block_invoke_1 + 101
15 com.apple.Foundation 0x00007fff8bc5c74e -[NSAppleEventManager dispatchRawAppleEvent:withRawReply:handlerRefCon:] + 283
16 com.apple.Foundation 0x00007fff8bc5c5dc _NSAppleEventManagerGenericHandler + 105
17 com.apple.AE 0x00007fff91d02c25 aeDispatchAppleEvent(AEDesc const*, AEDesc*, unsigned int, unsigned char*) + 200
18 com.apple.AE 0x00007fff91d02b03 _ZL25dispatchEventAndSendReplyPK6AEDescPS_ + 38
19 com.apple.AE 0x00007fff91d029f7 aeProcessAppleEvent + 250
20 com.apple.HIToolbox 0x00007fff8a57bb69 AEProcessAppleEvent + 102
21 com.apple.AppKit 0x00007fff8ef049c5 _DPSNextEvent + 1247
22 com.apple.AppKit 0x00007fff8ef0407d -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 135
23 com.apple.AppKit 0x00007fff8ef009b9 -[NSApplication run] + 470
24 povray 0x000000010ed4dc40 main + 1280
25 povray 0x000000010eb78744 start + 52 Thread 1:: Dispatch queue: com.apple.libdispatch-manager
0 libsystem_kernel.dylib 0x00007fff961357e6 kevent + 10
1 libdispatch.dylib 0x00007fff8c8d6786 _dispatch_mgr_invoke + 923
2 libdispatch.dylib 0x00007fff8c8d5316 _dispatch_mgr_thread + 54 Thread 2:
0 libsystem_kernel.dylib 0x00007fff96135036 sigwait + 10
1 libsystem_c.dylib 0x00007fff90406aab sigwait + 68
2 povray 0x000000010ebbe222 SignalHandler() + 66
3 libboost_thread-mt.dylib 0x000000010f3a0814 thread_proxy + 132
4 libsystem_c.dylib 0x00007fff904508bf _pthread_start + 335
5 libsystem_c.dylib 0x00007fff90453b75 thread_start + 13

Thread 3 Crashed:
0 libsystem_kernel.dylib 0x00007fff96134ce2 pthread_kill + 10
1 libsystem_c.dylib 0x00007fff904527d2 pthread_kill + 95
2 libsystem_c.dylib 0x00007fff90443a7a abort + 143
3 libsystem_c.dylib 0x00007fff904765de assert_rtn + 146
4 povray 0x000000010ed2232b pov_base::RGBFTImage<std::vector<float, std::allocator<float> > >::SetRGBFTValue(unsigned int, unsigned int, float, float, float, float, float) + 171
5 povray 0x000000010ecf4d51 pov_frontend::ImageMessageHandler::DrawPixelBlockSet(pov_frontend::SceneData const&, pov_frontend::ViewData const&, POVMS_Object&) + 2529
6 povray 0x000000010eb98d46 pov_frontend::RenderFrontend<vfe::vfeParserMessageHandler, pov_frontend::FileMessageHandler, vfe::vfeRenderMessageHandler, pov_frontend::ImageMessageHandler>::HandleImageMessage(pov_frontend::RenderFrontendBase::Id, unsigned int, POVMS_Object&) + 310
7 povray 0x000000010ece78a1 pov_frontend::RenderFrontendBase::ContinueBackup(POVMS_Object&, pov_frontend::ViewData&, pov_frontend::RenderFrontendBase::Id, int&, std::vector<int, std::allocator<int> >&, pov_base::Path const&) + 1265
8 povray 0x000000010eb92f01 pov_frontend::RenderFrontend<vfe::vfeParserMessageHandler, pov_frontend::FileMessageHandler, vfe::vfeRenderMessageHandler, pov_frontend::ImageMessageHandler>::StartRender(pov_frontend::RenderFrontendBase::Id, POVMS_Object&) + 865
9 povray 0x000000010eb8f4a9 vfe::VirtualFrontEnd::Process() + 5129
10 povray 0x000000010eb9f46e vfe::vfeSession::ProcessFrontend() + 30
11 povray 0x000000010eb9fb8f vfe::vfeSession::WorkerThread() + 1279
12 libboost_thread-mt.dylib 0x000000010f3a0814 thread_proxy + 132
13 libsystem_c.dylib 0x00007fff904508bf _pthread_start + 335
14 libsystem_c.dylib 0x00007fff90453b75 thread_start + 13

Thread 4:
0 libsystem_kernel.dylib 0x00007fff96134bca psynch_cvwait + 10
1 libsystem_c.dylib 0x00007fff90454274 _pthread_cond_wait + 840
2 povray 0x000000010eba589d bool boost::condition_variable_any::do_wait_until<boost::unique_lock<boost::mutex> >(boost::unique_lock<boost::mutex>&, timespec const&) + 77
3 povray 0x000000010eb87d26 vfe::SysQNode::Receive(int*, bool) + 214
4 povray 0x000000010ecf6e39 POVMS_ProcessMessages(void*, bool, bool) + 201
5 povray 0x000000010ebc34f3 (anonymous namespace)::MainThreadFunction(boost::function0<void> const&) + 259
6 libboost_thread-mt.dylib 0x000000010f3a0814 thread_proxy + 132
7 libsystem_c.dylib 0x00007fff904508bf _pthread_start + 335
8 libsystem_c.dylib 0x00007fff90453b75 thread_start + 13 Thread 5:
0 libsystem_kernel.dylib 0x00007fff96134bca psynch_cvwait + 10
1 libsystem_c.dylib 0x00007fff90454274 _pthread_cond_wait + 840
2 povray 0x000000010ebd60f4 void boost::condition_variable_any::wait<boost::unique_lock<boost::recursive_mutex> >(boost::unique_lock<boost::recursive_mutex>&) + 68
3 povray 0x000000010ebd5ffd pov::TaskQueue::Process() + 1421
4 povray 0x000000010ec03088 pov::Scene::ParserControlThread() + 40
5 libboost_thread-mt.dylib 0x000000010f3a0814 thread_proxy + 132
6 libsystem_c.dylib 0x00007fff904508bf _pthread_start + 335
7 libsystem_c.dylib 0x00007fff90453b75 thread_start + 13

Thread 3 crashed with X86 Thread State (64-bit):

rax: 0x0000000000000000  rbx: 0x0000000000000006  rcx: 0x0000000112d74408  rdx: 0x0000000000000000
rdi: 0x0000000000006f03  rsi: 0x0000000000000006  rbp: 0x0000000112d74430  rsp: 0x0000000112d74408
 r8: 0x00007fff7a13afb8   r9: 0x0000000000000723  r10: 0x00007fff96134d0a  r11: 0xffffff80002dad60
r12: 0x000000010ed9fd23  r13: 0x000000010f3cb000  r14: 0x0000000112d75000  r15: 0x000000010ed9faf5
rip: 0x00007fff96134ce2  rfl: 0x0000000000000246  cr2: 0x000000010f3cb000

Logical CPU: 0

Binary Images:

     0x10eb77000 -        0x10edf2fff +povray (??? - ???) <907923FC-1CA9-3125-A8D4-E6C7F0DF1951> /opt/local/bin/povray
     0x10ef73000 -        0x10efc9ff7 +libSDL-1.2.0.dylib (12.4.0 - compatibility 12.0.0) <63771EDE-135A-398E-8AE7-3CB843CE10E7> /opt/local/lib/libSDL-1.2.0.dylib
     0x10efe8000 -        0x10eff4ff7 +libXpm.4.dylib (16.0.0 - compatibility 16.0.0) <2F6BD59E-E16F-300D-AA09-71F8A97AE907> /opt/local/lib/libXpm.4.dylib
     0x10effa000 -        0x10efffff7 +libSM.6.dylib (7.1.0 - compatibility 7.0.0) <BABB8D11-A7B7-37CD-A70F-DF94180B3F9C> /opt/local/lib/libSM.6.dylib
     0x10f003000 -        0x10f014ff7 +libICE.6.dylib (10.0.0 - compatibility 10.0.0) <4B372A07-054D-3B0F-A15F-428D4D491A85> /opt/local/lib/libICE.6.dylib
     0x10f022000 -        0x10f128fff +libX11.6.dylib (10.0.0 - compatibility 10.0.0) <382A15EE-B562-36CD-BDCB-D21A367E0AC1> /opt/local/lib/libX11.6.dylib
     0x10f150000 -        0x10f1f7ff7 +libIlmImf.6.dylib (7.0.0 - compatibility 7.0.0) <B4182C14-085B-332D-B49D-6DD0581A3DB2> /opt/local/lib/libIlmImf.6.dylib
     0x10f232000 -        0x10f243fff +libz.1.dylib (1.2.8 - compatibility 1.0.0) <2FA66C30-65DE-3D33-9014-73C171F82CC1> /opt/local/lib/libz.1.dylib
     0x10f24b000 -        0x10f24ffff +libImath.6.dylib (7.0.0 - compatibility 7.0.0) <4CC9BC46-14DD-3857-843C-252DFE3E6C85> /opt/local/lib/libImath.6.dylib
     0x10f258000 -        0x10f299ff7 +libHalf.6.dylib (7.0.0 - compatibility 7.0.0) <B1DAC1AA-0B9C-3937-8B1F-A3DA53BB6DCD> /opt/local/lib/libHalf.6.dylib
     0x10f29e000 -        0x10f2a5ff7 +libIex.6.dylib (7.0.0 - compatibility 7.0.0) <AE2EBEF8-D014-3F81-B6E5-04FF7CE4BFD8> /opt/local/lib/libIex.6.dylib
     0x10f2b5000 -        0x10f2b8ff7 +libIlmThread.6.dylib (7.0.0 - compatibility 7.0.0) <4952CFB4-08AB-38BB-A12C-D1EBC1279274> /opt/local/lib/libIlmThread.6.dylib
     0x10f2bd000 -        0x10f31eff7 +libtiff.5.dylib (8.0.0 - compatibility 8.0.0) <178F87DE-0349-3A3F-B9B8-498F6CC81880> /opt/local/lib/libtiff.5.dylib
     0x10f32c000 -        0x10f361fff +libjpeg.9.dylib (10.0.0 - compatibility 10.0.0) <FD880310-8758-3D66-81AF-36916F505B56> /opt/local/lib/libjpeg.9.dylib
     0x10f36f000 -        0x10f393fff +libpng15.15.dylib (33.0.0 - compatibility 33.0.0) <8A144BC2-8438-3CD4-9C32-D79E6B999B5D> /opt/local/lib/libpng15.15.dylib
     0x10f39e000 -        0x10f3acfff +libboost_thread-mt.dylib (??? - ???) <90D975FD-5D2C-315E-8AC5-D487AA0A6356> /opt/local/lib/libboost_thread-mt.dylib
     0x10f3d0000 -        0x10f3d3ff7 +libboost_system-mt.dylib (??? - ???) <34DAECFB-23EC-388A-8B14-C23B24DB9F43> /opt/local/lib/libboost_system-mt.dylib
     0x10f3d9000 -        0x10f3e1fff +libXrandr.2.dylib (5.0.0 - compatibility 5.0.0) <B410D479-DF82-30C8-A2AB-83ACDD4B0768> /opt/local/lib/libXrandr.2.dylib
     0x10f3e9000 -        0x10f3f5ff7 +libXext.6.dylib (11.0.0 - compatibility 11.0.0) <5E2FBA3C-F7C7-3753-A93F-7E4914A1E741> /opt/local/lib/libXext.6.dylib
     0x10f401000 -        0x10f407ff7 +libXrender.1.dylib (5.0.0 - compatibility 5.0.0) <38B4C91D-606B-3754-8ED8-5EC0B7A2384A> /opt/local/lib/libXrender.1.dylib
     0x10f40c000 -        0x10f421ff7 +libxcb.1.dylib (3.0.0 - compatibility 3.0.0) <413E6D1B-AEFE-3569-9A63-B672A8B38FAD> /opt/local/lib/libxcb.1.dylib
     0x10f432000 -        0x10f433fff +libXau.6.dylib (7.0.0 - compatibility 7.0.0) <6A7B9112-128C-32C1-A1D7-38D0B93E1E35> /opt/local/lib/libXau.6.dylib
     0x10f437000 -        0x10f43afe7 +libXdmcp.6.dylib (7.0.0 - compatibility 7.0.0) <6B7DEE53-1C33-3B57-AF4E-5D47402C89ED> /opt/local/lib/libXdmcp.6.dylib
     0x10f43d000 -        0x10f446fff +libintl.8.dylib (10.2.0 - compatibility 10.0.0) <1BC778A5-CD8D-371B-B16C-251853631275> /opt/local/lib/libintl.8.dylib
     0x10f451000 -        0x10f549ff7 +libiconv.2.dylib (8.1.0 - compatibility 8.0.0) <5E426CF4-4755-31A1-8A3A-6B332E8CF0FC> /opt/local/lib/libiconv.2.dylib
     0x10f557000 -        0x10f574fff +liblzma.5.dylib (6.5.0 - compatibility 6.0.0) <D7F4E560-AF1A-390D-BEF1-D1866B7810FC> /opt/local/lib/liblzma.5.dylib
  0x7fff6e777000 -     0x7fff6e7abbaf  dyld (195.6 - ???) <C58DAD8A-4B00-3676-8637-93D6FDE73147> /usr/lib/dyld
  0x7fff893c0000 -     0x7fff89428ff7  com.apple.audio.CoreAudio (4.0.3 - 4.0.3) <9987DC46-2A96-3BA0-B88B-04E573C0AD9B> /System/Library/Frameworks/CoreAudio.framework/Versions/A/CoreAudio
  0x7fff89429000 -     0x7fff8942afff  libunc.dylib (24.0.0 - compatibility 1.0.0) <337960EE-0A85-3DD0-A760-7134CF4C0AFF> /usr/lib/system/libunc.dylib
  0x7fff8942b000 -     0x7fff89436fff  com.apple.CommonAuth (2.2 - 2.0) <77E6F0D0-85B6-30B5-B99C-F57104DD2EBA> /System/Library/PrivateFrameworks/CommonAuth.framework/Versions/A/CommonAuth
  0x7fff89437000 -     0x7fff8953cfff  libFontParser.dylib (??? - ???) <D2E56B6E-3182-3667-A78C-4172C435523A> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ATS.framework/Versions/A/Resources/libFontParser.dylib
  0x7fff8953f000 -     0x7fff8953ffff  com.apple.Carbon (153 - 153) <C1A30E01-E113-38A0-95CA-99360F92A37A> /System/Library/Frameworks/Carbon.framework/Versions/A/Carbon
  0x7fff89540000 -     0x7fff89545fff  libcompiler_rt.dylib (6.0.0 - compatibility 1.0.0) <98ECD5F6-E85C-32A5-98CD-8911230CB66A> /usr/lib/system/libcompiler_rt.dylib
  0x7fff89546000 -     0x7fff89549fff  libCoreVMClient.dylib (??? - ???) <28CB0F3F-A202-391F-8CAC-FC9A1398A962> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libCoreVMClient.dylib
  0x7fff8954a000 -     0x7fff89598fff  libauto.dylib (??? - ???) <D8AC8458-DDD0-3939-8B96-B6CED81613EF> /usr/lib/libauto.dylib
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  0x7fff91cff000 -     0x7fff91d3efff  com.apple.AE (527.7 - 527.7) <B82F7ABC-AC8B-3507-B029-969DD5CA813D> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/AE.framework/Versions/A/AE
  0x7fff91d42000 -     0x7fff91ee2ff7  com.apple.QuartzCore (1.7 - 270.5) <19E5E0AB-DAA9-3F97-988C-D9A46AFB9C04> /System/Library/Frameworks/QuartzCore.framework/Versions/A/QuartzCore
  0x7fff91ee3000 -     0x7fff91ee4fff  libDiagnosticMessagesClient.dylib (??? - ???) <3DCF577B-F126-302B-BCE2-4DB9A95B8598> /usr/lib/libDiagnosticMessagesClient.dylib
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  0x7fff91ff6000 -     0x7fff91ff6fff  com.apple.vecLib (3.7 - vecLib 3.7) <9A58105C-B36E-35B5-812C-4ED693F2618F> /System/Library/Frameworks/vecLib.framework/Versions/A/vecLib
  0x7fff91ff7000 -     0x7fff92005ff7  libkxld.dylib (??? - ???) <01161870-E3B3-3F87-BA4A-0AA7A081F409> /usr/lib/system/libkxld.dylib
  0x7fff9227f000 -     0x7fff922a7fff  com.apple.PerformanceAnalysis (1.11 - 11) <8D4C6382-DD92-37A2-BCFC-E89951320848> /System/Library/PrivateFrameworks/PerformanceAnalysis.framework/Versions/A/PerformanceAnalysis
  0x7fff92434000 -     0x7fff9243bff7  com.apple.CommerceCore (1.0 - 17) <3894FE48-EDCE-30E9-9796-E2F959D92704> /System/Library/PrivateFrameworks/CommerceKit.framework/Versions/A/Frameworks/CommerceCore.framework/Versions/A/CommerceCore
  0x7fff9243c000 -     0x7fff9243fff7  com.apple.securityhi (4.0 - 1) <7146CB8E-B754-3B0E-A74E-77E9138A81C5> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/SecurityHI.framework/Versions/A/SecurityHI
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  0x7fff927ea000 -     0x7fff927ebfff  liblangid.dylib (??? - ???) <CACBE3C3-2F7B-3EED-B50E-EDB73F473B77> /usr/lib/liblangid.dylib
  0x7fff9287f000 -     0x7fff928d7ff7  libTIFF.dylib (??? - ???) <59353B7F-EA9A-32D5-A501-283443B30C60> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libTIFF.dylib
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  0x7fff92d9a000 -     0x7fff92d9bff7  libremovefile.dylib (21.1.0 - compatibility 1.0.0) <739E6C83-AA52-3C6C-A680-B37FE2888A04> /usr/lib/system/libremovefile.dylib
  0x7fff93205000 -     0x7fff9327bfff  com.apple.CoreSymbolication (2.2 - 73.2) <126415E3-3A35-315B-B4B7-507CDBED0D58> /System/Library/PrivateFrameworks/CoreSymbolication.framework/Versions/A/CoreSymbolication
  0x7fff9338e000 -     0x7fff93602fff  com.apple.CoreImage (7.99.1 - 1.0.1) <4BB09B79-275B-364C-9466-0FF36ABB1218> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/CoreImage.framework/Versions/A/CoreImage
  0x7fff93603000 -     0x7fff9360cff7  libsystem_notify.dylib (80.1.0 - compatibility 1.0.0) <A4D651E3-D1C6-3934-AD49-7A104FD14596> /usr/lib/system/libsystem_notify.dylib
  0x7fff9360d000 -     0x7fff93624fff  com.apple.MultitouchSupport.framework (231.4 - 231.4) <559C1AFB-E0B4-3D23-9189-18DE09C06FFE> /System/Library/PrivateFrameworks/MultitouchSupport.framework/Versions/A/MultitouchSupport
  0x7fff9369b000 -     0x7fff9369bfff  com.apple.CoreServices (53 - 53) <043C8026-8EDD-3241-B090-F589E24062EF> /System/Library/Frameworks/CoreServices.framework/Versions/A/CoreServices
  0x7fff936c8000 -     0x7fff936cbfff  libRadiance.dylib (??? - ???) <CD89D70D-F177-3BAE-8A26-644EA7D5E28E> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libRadiance.dylib
  0x7fff936d9000 -     0x7fff93719ff7  libcups.2.dylib (2.9.0 - compatibility 2.0.0) <7D2E5016-A960-3ADE-B042-F74063E79550> /usr/lib/libcups.2.dylib
  0x7fff93761000 -     0x7fff937adff7  com.apple.SystemConfiguration (1.11.3 - 1.11) <131780ED-E8DD-3153-81F2-5FEC4F6554C2> /System/Library/Frameworks/SystemConfiguration.framework/Versions/A/SystemConfiguration
  0x7fff937ae000 -     0x7fff937b4ff7  libunwind.dylib (30.0.0 - compatibility 1.0.0) <1E9C6C8C-CBE8-3F4B-A5B5-E03E3AB53231> /usr/lib/system/libunwind.dylib
  0x7fff937b5000 -     0x7fff93811ff7  com.apple.HIServices (1.21 - ???) <B012EE97-D1CD-3F4B-812D-9AC7E6852FE6> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/HIServices.framework/Versions/A/HIServices
  0x7fff93812000 -     0x7fff93818fff  libmacho.dylib (800.0.0 - compatibility 1.0.0) <165514D7-1BFA-38EF-A151-676DCD21FB64> /usr/lib/system/libmacho.dylib
  0x7fff93819000 -     0x7fff9384cff7  com.apple.GSS (2.2 - 2.0) <971395D0-B9D0-3FDE-B23F-6F9D0A2FB95F> /System/Library/Frameworks/GSS.framework/Versions/A/GSS
  0x7fff9384d000 -     0x7fff93857ff7  liblaunch.dylib (392.39.0 - compatibility 1.0.0) <8C235D13-2928-30E5-9E12-2CC3D6324AE2> /usr/lib/system/liblaunch.dylib
  0x7fff93858000 -     0x7fff93865ff7  libbz2.1.0.dylib (1.0.5 - compatibility 1.0.0) <3373D310-3B10-3DD1-B754-B7B138CD448D> /usr/lib/libbz2.1.0.dylib
  0x7fff93885000 -     0x7fff939bbfff  com.apple.vImage (5.1 - 5.1) <A08B7582-67BC-3EED-813A-4833645964A7> /System/Library/Frameworks/Accelerate.framework/Versions/A/Frameworks/vImage.framework/Versions/A/vImage
  0x7fff939bc000 -     0x7fff939e7ff7  libxslt.1.dylib (3.24.0 - compatibility 3.0.0) <E71220D3-8015-38EC-B97D-7FDB383C2BDC> /usr/lib/libxslt.1.dylib
  0x7fff93a2d000 -     0x7fff93a3cff7  libxar-nossl.dylib (??? - ???) <A6ABBFB9-E4ED-38AD-BBBB-F9958B9CEFB5> /usr/lib/libxar-nossl.dylib
  0x7fff93d63000 -     0x7fff93e65fff  libxml2.2.dylib (10.3.0 - compatibility 10.0.0) <AFBB22B7-07AE-3F2E-B88C-70BEEBFB8A86> /usr/lib/libxml2.2.dylib
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  0x7fff949cd000 -     0x7fff94e94fff  FaceCoreLight (1.4.7 - compatibility 1.0.0) <BDD0E1DE-CF33-3AF8-B33B-4D1574CCC19D> /System/Library/PrivateFrameworks/FaceCoreLight.framework/Versions/A/FaceCoreLight
  0x7fff954e6000 -     0x7fff954edfff  com.apple.NetFS (4.0 - 4.0) <433EEE54-E383-3505-9154-45B909FD3AF0> /System/Library/Frameworks/NetFS.framework/Versions/A/NetFS
  0x7fff955cf000 -     0x7fff955d3fff  libCGXType.A.dylib (600.0.0 - compatibility 64.0.0) <35D606B1-7AD9-38E3-A2A9-E92B904BDDE8> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCGXType.A.dylib
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  0x7fff956d2000 -     0x7fff956fbfff  com.apple.CoreVideo (1.7 - 70.3) <9A9D4058-9935-3B0A-B1A6-27EB78D02249> /System/Library/Frameworks/CoreVideo.framework/Versions/A/CoreVideo
  0x7fff95743000 -     0x7fff95745fff  com.apple.TrustEvaluationAgent (2.0 - 1) <1F31CAFF-C1C6-33D3-94E9-11B721761DDF> /System/Library/PrivateFrameworks/TrustEvaluationAgent.framework/Versions/A/TrustEvaluationAgent
  0x7fff95787000 -     0x7fff957c7fe7  libGLImage.dylib (??? - ???) <0B7DAB2B-F1C6-39C7-B864-61EF683B6656> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGLImage.dylib
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External Modification Summary:

Calls made by other processes targeting this process:
  task_for_pid: 2
  thread_create: 0
  thread_set_state: 0
Calls made by this process:
  task_for_pid: 0
  thread_create: 0
  thread_set_state: 0
Calls made by all processes on this machine:
  task_for_pid: 29684
  thread_create: 0
  thread_set_state: 0

VM Region Summary:
ReadOnly portion of Libraries: Total=152.0M resident=86.4M(57%) swapped_out_or_unallocated=65.6M(43%)
Writable regions: Total=129.5M written=26.5M(20%) resident=28.4M(22%) swapped_out=4K(0%) unallocated=101.0M(78%)

REGION TYPE VIRTUAL

Using a facet pattern in a normal map results in a unspecified error in Evaluate_TPat at the render stage.
This probably should be caught at parse time to give a more descriptive error and a line number.

Example:

sphere {
  0, 1
  texture{
    pigment{rgb <1,1,1>}   
    normal {
      facets
      normal_map {
         [0 bumps ]
         [0.5 facets ]
         [1 bumps ]
      }
    } 
  }
}

Improve native support for 2D primitives. Ideally a 1:1 mapping of SVG primitives/shapes. They go a long way to making diagrams look a lot better. Having to create image maps based on externally created bitmaps slows the workflow down a lot!

The ability to specify an exact name for output images during animations would be great. As it is, POV-Ray appends a numerical designation to each image (e.g. image001.png, image002.png, etc. Overriding this behavior would allow certain tasks to be accomplished without cluttering the hard drive. For instance, an image could be rendered over and over again. Certain things like cellular automata, ripple tank simulations and feedback fractals could be performed without the resulting long list of images in a given directory.

The command line option could be in the form of +oefile/+Output_File_Name_Exact=file or some such.

In POV SDL it can sometimes be ambiguous what exactly a macro returns. An explicit #RETURNS statement would make this unambiguous.

There is a confirmed bug when writing jpg file format with the current linux build (beta39). when specifying +fj output format the following error occurs:

JPEG parameter struct mismatch: library thinks size is 372, caller
expects 376
JPEG parameter struct mismatch: library thinks size is 372, caller
expects 376
Render failed

this has been confirmed on ubuntu 10.4 and openSuSe 11.2 (assuming 32 bit version) as openSuSe 11.2 64-bit reports no problem

there has been a proposed fix to ~smp/source/base/image/jpeg.cpp that appears to work, however it requires some additional work to make it a platform (linux) and compiler (gcc) specific fix.

REcently I installed POV-Ray tracing software in my mac OS X version 10.6.8. When I run the software its displaying a fatal error occured and the error number is -43. I’m new to POV-Ray...pls help me guys...

I used POV-Ray to make an animation of my Morgan driving around a slalom course. (If you are curious, you can see the output on youtube under my user name, nojonushi.) To make the long swooping fenders I used Mike William’s SweepSpline macro.

The code rendered the 1189 frames in one go with no problems. But the wheels in that animation do not rotate, so I then added code to rotate the wheels. In the calculations I added I used a #while loop to step through the spline containing the route coordinates and total up the distance traveled. Running POV-Ray on this file produced a random number of images and then issued an error, e.g.

 0:00:00 Processing Frame 456 of 1189
 0:00:00 Parsing

File: mogslalom.pov Line: 1918
Parse Warning: Patch objects not allowed in intersection.
File: mogslalom.pov Line: 2988
File Context (5 lines):

                object {
                SweepSpline(TFSpline,

Parse Error: Identifier expected, incomplete function call or spline call found instead.

Most of the parameters for the macro are missing. But this is after successfully generating, in this case, 455 images.

I have attached a text file with set-up and sample code that has given the error on two different machines.

Consider the following script:

  #fopen F "foo.txt" read
  #read (F, Foo)
  #debug concat ("'", Foo, "'\n")
  #fclose F

Now assume that foo.txt erroneously contains unquoted text (which will result in a parse error):

  Blah

When the error is reported, POV-Ray for Windows will helpfully open foo.txt, but any attempt to save a corrected version of foo.txt will fail until you exit the POV-Ray GUI, presumably because foo.txt is not properly closed by the parser.

clipka anonymous@anonymous.org wrote:
> Am 29.06.2010 04:27, schrieb jberry02:
>
> > First, note that this is the Windows version.
> > Second the issue is not with opening the ini file, but with opening the scene
> > file from within the ini file.
> >
> > I have a scene.ini file, that has a line:
> >
> > Input_File_Name=scene
> >
> > under POV-Ray 3.5 *and* POV-Ray 3.6, the scene defined in the file scene.pov is
> > rendered properly using the parameters specified in the scene.ini file. The ini
> > file is opened from the POV-Ray GUI, and run using the “Run” button.
> >
> > under POV-Ray 3.7, I get an error - I originally thought that it was simply not
> > looking for scene.pov (i.e., it wasn’t adding the .pov extension when trying to
> > open the scene file), but looking closer the error is *actually*:
> >
> > Input file ‘C:\[...]\scene’ not found; cannot determine I/O permission for
> > write.
> > Failed to start render: Cannot open file.
> >
> > In other words, it appears that the problem is that it isn’t adding the default
> > ..pov extension when it is trying to do the I/O permission check. I do not have
> > any special I/O permisssions configured for any version of POV-Ray (I get the
> > pop-up dialogs), and this is a change in behavior from 3.6 to the current beta
> > of 3.7. The scene.pov file is not in any of the POV-Ray directories - it is in
> > a separate tree where I keep my scene files.
>
> Having looked at it in a debugger, I can confirm that there is a
> problem, and that you don’t seem to be far off the mark:
>
> The error occurs when POV-Ray tries to determine the I/O permissions for
> the /output/ file. If that isn’t explicitly specified with a path,
> POV-Ray will try to get the path from the input file; however, it will
> take the unprocessed parameter (in the sample case “scene”) rather than
> the file name POV-Ray makes of it (”scene.pov”), and then attempts to
> get the full /long/ path name of the file (remember the good old 8.3
> filenames for compatibility with 16-bit programs?), which only works
> when the file exists.
>
> Would you mind submitting a bug report to <http://bugs.povray.org>?

I tried to render a candle’s flame (an object with interior made of emission media) against an Alpha background. In 3.6, the “flame” appears as a bright object against the alpha background; but in 3.7, the flame disappears against the alpha (as the attached scene will make clear, the “flame” is still visible against opaque background objects). I used the settings “Output_Alpha=true Output_File_Type=N”.

If there is another (better?) way to achieve a similar effect, I am open to using a work-around.

Windows 7, Home Premium 64bit
In Options/Editor Window/Editor Preferences/Language Tabs
saving a tab size of 4 does not work - on restart it reverts to the default of 8

In Options/Editor Window/Editor Preferences/Misc
saving a Line numbering style of Decimal and a Start number of 1, does not work, on restart the defaults are restored.

The following editor issue experienced in 3.7 RC 6 under Win7/64::

Place the curser at the middle of a row.
Press enter. Now the line has been split and the cursor is at the beginning of the new line, followed by the rest of the original line
Press backspace.
Instead of restoring the original line, the second part of the line disappears.

RC 3 under Vista/32 (and earlier versions) behave normally.

Certain types of errors are being reported twice. For example:

Parse Error: Expected ‘numeric expression’, } found instead
Parse Error: Expected ‘object’, undeclared identifier ‘foo’

The first error was a user typo when not enough parameters were specified, and the later when calling a yet to be declared object.

During investigation it was also discovered that improperly formed scale statements also produced the double error report: <scale 1,0.5,1>

Verified on linux and windows platforms.

The version 3.6 documentation needs to be updated to suit the changes for version 3.7.

The documentation assumes that INI files (as well as the command line!) are parsed and processed instantly. This no longer holds true for POV-Ray 3.7, where parsing INI files (and the command line) and processing it are separate operations that occur at different times. As such, one consequence is that INI file options only take effect after reading the whole INI file, and possibly later.

As such, documentation statements such as <http://www.povray.org/documentation/view/3.6.1/222/>
“Note: that these options take effect immediately when specified. Obviously any error or warning messages that might occur before the option is read will not be affected.”

Are no longer correct. It needs to be explained that options only take effect after the INI file has been read. An error in the INi file causes other options _not_ to take effect because reading of the INi file is aborted prematurely.

Source code inspection during examination of issues with the scene published at http://povray.sitewww.ch/?p=177 show the following issues with current (beta.34) implementation of dispersion in POV-Ray 3.7:

• The same adjustment to the IOR that is applied at the very first dispersion interface is erroneously applied to all subsequent interfaces.

• As an exception, dispersion adjustment is erroneously not applied to any interface defined by the surface of a non-dispersing object embedded into a dispersing object.

While this still allows to use dispersion for artistic effect, it is neither physically realistic, nor does it match 3.6 behavior.

The function of the “Debug_File=” .ini option has changed from 3.6 to 3.7.37a.
In 3.6, when rendering multiple frames, a debug file would be created that then appended the debug lines for each frame into the file. It was therefore able to have debug data that identified what parameters were used in which frame in case a frame did not have the desired effect.

In 3.7.37a, the debug file does not perform this function. Instead it creates a new debug file (overwriting the prior) with each new frame. Therefore the debug data is only useful for the final frame (or wherever the render was halted). This is useful for a single frame render or for identifying a fault within a series of frames (because only the last one will remain) but it is not useful for many frames that render successfully.

This problem does not cause any rendering errors or other defects. The debug file specified will only contain the debug data for the last frame rendered.

Per discussion in the forum it was unknown if this was a bug or “feature”. At this time it is causing me a problem so I am submitting the bug. No related bugs were found searching for “output” or “debug” in any status.

Operating System in use is Windows XP. I cannot test 3.7.37a in additional OSes, but it does not seem like it would be OS-specific.

I’d like to request the ability to create a date/time stamp on output images so that new renders don’t always overwrite old ones. Thanks.

When using cutaway_textures the differenced part traces black. Simple scene file attached.

For some particularly “heavy” SDL scripts, it might be desirable to override (or complement) the standard “Parsing 47110815K tokens” progress information with some more helpful custom info, e.g. “Planting trees... (37%)”, or “Generating terrain mesh row 47 of 500”.

Bounding box computation for CSG intersection appears to be broken when one member is an arbitrarily transformed plane.

// +W640 +H480 +MB1

#include "transforms.inc"

camera {
  location  <-0.2, 0.5, -4.0>
  direction 1.5*z
  right     x*image_width/image_height
  look_at   <0.0, 0.0,  0.0>
}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 rgb <0.6,0.7,1.0>]
      [0.7 rgb <0.0,0.1,0.8>]
    }
  }
}

light_source {
  <0, 0, 0>            // light's position (translated below)
  color rgb <1, 1, 1>  // light's color
  translate <-30, 30, -30>
}

plane {
  y, -1
  pigment { color rgb <0.7,0.5,0.3> }
}

intersection {
  sphere {
    0.0, 1 }
  plane { -x, 0 transform { Shear_Trans(x,y+x*0.3,z) } }
  texture {
    pigment {
      radial
      frequency 8
      color_map {
        [0.00 color rgb <1.0,0.4,0.2> ]
        [0.33 color rgb <0.2,0.4,1.0> ]
        [0.66 color rgb <0.4,1.0,0.2> ]
        [1.00 color rgb <1.0,0.4,0.2> ]
      }
    }
    finish{
      specular 0.6
    }
  }
  rotate -y*5
}

Bounding box computation for CSG intersection appears to be broken when one member is an arbitrarily transformed plane.

POV-Ray 3.6.2 has the same problem (can’t test for 3.6.1).

// +W640 +H480 +MB1

#include "transforms.inc"

camera {
  location  <-0.2, 0.5, -4.0>
  direction 1.5*z
  right     x*image_width/image_height
  look_at   <0.0, 0.0,  0.0>
}

sky_sphere {
  pigment {
    gradient y
    color_map {
      [0.0 rgb <0.6,0.7,1.0>]
      [0.7 rgb <0.0,0.1,0.8>]
    }
  }
}

light_source {
  <0, 0, 0>            // light's position (translated below)
  color rgb <1, 1, 1>  // light's color
  translate <-30, 30, -30>
}

plane {
  y, -1
  pigment { color rgb <0.7,0.5,0.3> }
}

intersection {
  sphere {
    0.0, 1 }
  plane { -x, 0 transform { Shear_Trans(x,y+x*0.3,z) } }
  texture {
    pigment {
      radial
      frequency 8
      color_map {
        [0.00 color rgb <1.0,0.4,0.2> ]
        [0.33 color rgb <0.2,0.4,1.0> ]
        [0.66 color rgb <0.4,1.0,0.2> ]
        [1.00 color rgb <1.0,0.4,0.2> ]
      }
    }
    finish{
      specular 0.6
    }
  }
  rotate -y*5
}

A df3 file is written, with header 00 00 00 00 00 00 and no data (hypothetically valid df3 file).
This file is used as density file for media, using interpolation. This causes a crash once Pov-Ray starts rendering the pixels that contain media.
All pixels rendered before that render fine. Using no interpolation does not cause a crash.

Sample Scene:
#fopen out “random.df3” write
#write (out, uint16be <0,0,0>)
#fclose out

box{0,1 pigment{rgbt 1} hollow interior{media{
density{density_file df3 “random.df3” interpolate 1}}}} // interpolate 2 also crashes, interpolate 0 does not.

System: Win7 x64, 3.7 Beta 38

Turns out the crand feature, which depends on a real random number generator (and hence has threading issues) was disabled early on during 3.7 development, and hasn’t been fixed yet. The code is commented out in line 2426/2427 of trace.cpp.

(This happens as of beta 34)

The following scene will cause POV-Ray to allocate memory until all available memory is used, resulting in an Out of Memory error message:

#declare n1 = normal
{
    crackle .5
    scale 0.001
    accuracy 0.0001
}

#declare n2 = normal
{
    bumps 0
}

camera
{
    location <0, 0.2, -1>
    look_at <0.4, 0.3, 1>

    focal_point <0.4, 0.3-.0, 1>
    blur_samples 25
    confidence .9
    variance 0
    aperture .05
}

light_source
{
    <-10, 10,-5>, rgb 1.5
    area_light x*2,y*2,7,7 orient adaptive 2
}

sphere{ <0, 0, 0>, 0.5 pigment {color rgbf <0.85,1,.95,1>}

    interior
    {
        ior 1.5
        fade_color rgb <0.0, 0.5, 0.0>
        fade_power 2
        fade_distance 10.5
        dispersion 1.1
        dispersion_samples 100
    }

    normal {

        checker normal{n2} normal{n1}
        scale 0.1
        warp { spherical }

    }

    translate z*1
} 

When I try to re-render the insert menu bitmaps,on the Windows version 3.7b36 there is an error with the
Shapes.pov file.
line 474: Parse Error: Unexpected additional ‘.’ in floating-point number

line 474 is:

<2.6, 0>, <3.6.9>, <4, 1.1>, <3.4, 2>, <3, 1>, <2, 1>

The second vector has two decimal points
Change to <3.6,.9>

From post in povray.general (circa 29 september 2010: “Maximum Resolution of Renders?”)

The ultimate goal would be a 41000×41000 image. However each time I have attempted to render that Pov-Ray has crashed on
me. Even when using a single, simple test object (a plain white sphere that
should use a single pixel). So I think this is running into a program limitation
at present.

It won’t be for the faint hearted: a 30500 x 30500 does still produces the bug, but you’d better have 24 GB of true ram to test it.
(it’s a render of a few “real” minutes if you do not swap, for any very quick scene (a 305 x 305 in 0.117s moved to 220s for 30500×30500 on my system when corrected))

With core-dumped enable, the issue is pointed in the creator of PixelContainer.
The problem is due to the resize() parameter: despite the parameter being a size_t (8 bytes long on 64bits), the computation ( h * w * 5 ) use unsigned int for h & w (and signed int for 5).

As a consequence, the value of resize is computed as a signed int... havoc might happen when the signed bit (#31) is propagated to the #63 to #32 of size_t... vector does not enjoy a negative value for resize (and destroy itself: no iterator on coming soon call! hence the crash when the values in the vector are to be initialised)

30500²: (in hex)

1 15 3C 71 50 floats
4 54 F1 C5 40 bytes

Basic solution: promote the 5 to an unsigned long, forcing the computation to happen on unsigned long, avoiding promotion of silly sign-bit, and keeping the resize’s value as a good number.

aka: resize( w * h * 5) becomes resize ( w * h * 5ul )

This solution has been tested and seems fine (it’s just that in base/image/image.cpp, there is a lot of resize()!).
For all resize(), the “ul” must be added. (and that means also that resize( w * h ) must be rewritten as ( w * h * 1ul ). )

I’ve been trying to upgrade povray 3.6.1 to 3.7-beta-32. I’ve configured with no additional arguments, and the configure dies with:

checking whether to build the boost thread library from sources... no
checking for boostlib >= 1.35... yes
checking whether the Boost::Thread library is available... yes
checking for exit in -lboost_thread... no
checking for exit in -lboost_thread-boost_thread... no
configure: error: Could not link against boost_thread-boost_thread !

I figured that the problem was with my boost installation (1.35) and upgraded boost to 1.39; the problem remains. I tried to see if exit was defined in libboost_thread and/or libboost_thread-boost_thread and it isn’t. Just to be sure that my currrent setup works for the released version, I rebuilt/reninstalled 3.6.1, which went without problem.

I’m on a slackware-12.2 box, using gcc-4.4.0.

Cone is not on good place when first base point is lower then end cap point.
Example:

cone { <0, 0, 0>, 2, <0, 1, 0>, 1 } - good
cone { <0, 0, 0>, 1, <0, 1, 0>, 2 } - bad

This is on 3.7 beta 35 version.

The following scene, showing an almost cylindrical cone floating above a plane, renders fine in POV 3.6.2, but is obviously broken in 3.7.0.beta.34:

camera {
  right     x
  up        y*image_height/image_width
  location  <80,50,40>
  look_at   <0,0,0>
}

light_source { <500,500,500> color rgb 1 }

cone {
  <0,0,30>, 11.303000, <0,0,-30>, 11.302999
  texture { pigment { color rgb 1 } }
}

plane { y, -20 texture { pigment { color rgb 0.3 } } }

The error occurs even with the -MB option, indicating that the problem has nothing to do with bounding, but is in the cone intersection testing code.

The attached TIFF file was created with IC using compression. When used in an image_map, POV-Ray 3.7.0.beta.34 on Windows XP x64 renders the image all transparent, while POV-Ray 3.6.2 renders the file fine. The same effect can be seen with LZW-compressed TIFF files created with Adobe Photoshop 6.0.

Uncompressed TIFF files created with either IC or Photoshop render fine in both versions of POV-Ray.

Stepping through the code of POV-Ray 3.7.0 shows that the same code path is taken regardless of compression, but the libtiff library returns different alpha channel values, indicating a problem in that library. POV-Ray 3.7 still uses libtiff 3.6.1, whereas the POV-Ray 3.6 branch has been updated to libtiff 3.8.2, which according to the change history includes a few alpha-related changes.

Reported for freebsd 7.2 (current production version, true for previous version, unknown for 8.0 in beta now)

freebsd does not provide CLOCK_PROCESS_CPUTIME_ID
(even if CLOCK... is posix).

As a consequence, compilation of the unix-source is currently not possible for freebsd target.

Might be a simple selection for Change 4356 ?
(assuming a relevant test in ./configure)
(getrusage() seems available on freebsd, but does it provide the pieces of information needed, I do not know that code good enough to assert that)

In POV-ray 3.7 beta 33 under Windows XP, the editor’s MRU list incorrectly handles files that have a comma in the pathname. Only the part of the name before the comma appears on the MRU list, but the rest of the name is left off.
Consequently, the file cannot be reopened via the MRU list. The file is also not reopened on launch if pov was closed with the file open. This also occurs in 3.6.1, I haven’t tried it under 3.6.2 yet.

Interestingly enough, a quick peek in the registry shows that both 3.6 and 3.7
are saving the entire path name correctly under HKEY_CURRENT_USER\Software\POV-Ray\v3.6\POV-Edit\Recent (or \v3.7\POV-Edit\Recent).

This seems to be limited strictly to the editor’s MRU list. The file can still be opened normally using the open dialog box. Calling POV-ray from the command line and using a file or path name with commas in it works correctly. Included files with commas in the path work correctly, and the Tools→Edit last rendered file/View last rendered file work correctly also.

To duplicate, save a file with a comma in the pathname (either in the directory
name or the filename itself). Close the file, then attempt to reopen it using the MRU list in the file menu.

povray +Imesh_camera.pov +Omesh_camera.png +FN +W800 +H600 produces a “Failed to parse command-line option” error. when I rename my pov source file to ess_mesh_camera.pov it runs fine. seems to be pointing to a clash with the +im option. i also had another file that renaming it got me going.

Quoted strings as parameters to command-line options work on the command line but not in INI files; e.g.:

+i"test.pov"

Root cause has already been identified (actually the problem was found during code inspection) and a fix is under way.

Overlapping partially transparent objects can result in speckled shadows.
Rays shouldn’t leak through the coincident areas, they should return one
of the two textures. This was correct in 3.6.

#declare testmat = material { texture {
      pigment {color <1,0,0> transmit 0.5}
}};

camera { location  <1.0, 2.0, -4.0>
   direction 1.5*z
   right     x*image_width/image_height
   look_at   <1.0, -0.2,  0.0>
   angle 30 }

light_source {<-10, 10, -5> color rgb <1, 1, 1>}

plane {y,-1 pigment{rgb <1,1,1>}}

union {
   sphere {<0.0,0,0>,0.5 material{testmat}}
   sphere {<0.1,0,0>,0.5 material{testmat}}
   sphere {<0.2,0,0>,0.5 material{testmat}}
   sphere {<0.3,0,0>,0.5 material{testmat}}
   sphere {<0.4,0,0>,0.5 material{testmat}}
   sphere {<0.5,0,0>,0.5 material{testmat}}
}

In POV-Ray 3.6 (including 3.62), checker and cells patterns are off by 0.001 (1e-3) units, as can be demonstrated with this scene:

camera {
  location  <0.0, 0.0, -5.0>
  direction 1.5*z
  right     x*image_width/image_height
  look_at   <0.0, 0.0,  0.0>
}

box { <-1,-1,0>, <0,0,1> pigment { checker color rgb 1 color rgb 0 scale   0.2 translate <-0.5,-0.5,0> } finish { ambient 1 diffuse 0 } }
box { < 1, 1,0>, <0,0,1> pigment { checker color rgb 1 color rgb 0 scale   0.2 translate < 0.5, 0.5,0> } finish { ambient 1 diffuse 0 } }
box { < 1,-1,0>, <0,0,1> pigment { checker color rgb 1 color rgb 0 scale 200.0 translate < 0.5,-0.5,0> } finish { ambient 1 diffuse 0 } }
box { <-1, 1,0>, <0,0,1> pigment { checker color rgb 1 color rgb 0 scale 200.0 translate <-0.5, 0.5,0> } finish { ambient 1 diffuse 0 } }

The same can be demonstrated for the cells pattern.

POV-Ray 3.7 beta 34 is “clean”.

Some sample scenes are no longer up-to-date, causing warnings, and should be fixed. For instance, the advanced/benchmark scene still includes “Buffer_Output=Off” and “Buffer_Size=0” in its .ini file. This should be checked systematically, and fixed as appropriate.

The text object isn’t working with /usr/share/fonts/truetype/freefont/FreeSans.ttf. Used to work - taken from an old .pov file of mine.

Rebuilt from
http://www.povray.org/redirect/www.povray.org/ftp/pub/povray/Official/Unix/povray-3.6.tar.bz2

$ povray +ifonttest.pov +ofonttest.png

Persistence of Vision™ Ray Tracer Version 3.6.1 (g++ 4.4.3 @
x86_64-unknown-linux-gnu)
This is an unofficial version compiled by:
darxus [at] chaosreignscom

.....

File: fonttest.pov Line: 8
Parse Warning: Character 101 (0×65) not found in /usr/share/fonts/truetype/freefont/FreeSans.ttf
File: fonttest.pov Line: 8
Parse Warning: Character 115 (0×73) not found in /usr/share/fonts/truetype/freefont/FreeSans.ttf

Verification that the problem is not in the .ttf file, this works (imagemagick):

convert -background lightblue -fill blue -pointsize 48 -font
/usr/share/fonts/truetype/freefont/FreeSans.ttf label:test fonttest.png

Problem verified when compiled from source on Ubuntu Lucid. Also exists in Ubuntu binaries from Lucid and Hardy.

Currently, cameras placed inside object or union statements will halt the render with an error. Take for instance the following case:

#local temp_camera_1 = camera
{
  orthographic
  location  z*-12
  direction  z
  up    y
  right    x*image_width/image_height
  scale    32
}

#local temp_light_1 = light_source
{
  0
  color rgb 1
  translate <-30, 30, -30>
}

#local temp_light_2 = light_source
{
  0
  color rgb 1
  translate <-30, 30, +30>
}

union
{
  object {temp_light_1}
  object {temp_light_2}
//  camera {temp_camera_1}  // doesn't work!!!
}

//object {temp_camera_1}  // doesn't work!!!
camera {temp_camera_1}  // works!!!

Changing this behavior would make it possible to more easily apply transformations to scene objects and the camera at the same time in situations where the scene’s frame of reference is in motion relative to the rest of the scene, for instance in animations.

original post on povray.beta-test:

POV-Ray 3.7.0.RC3 on Slackware 13.0 x86_64.
I pointed povray to use the calibri.ttf font over on my Windows 7 partition.
The result is garbled - strange letters with accents appear instead of the
expected text. (KDE's kfontview opens calibri.ttf OK, with nothing strange).

Pointing povray to use other fonts of Win7, e.g. comic.ttf and arial.ttf, was
OK.

I solved the problem by pushing calibri.ttf through fontforge and resaving it
as mycalibri.ttf.

Cheers,
Peter

Confirmed with development version on Windows XP x64.

Possibly a similar problem as  FS#162 .

Recently, I have been rendering an animation with POV-Ray 3.7 RC 6 using radiosity, photons and backside illumination. Many frames contained artefacts like in the attached image file. Trying to eliminate those artefacts I observed the following:

• Rendering the same frame several times did not reproduce the artefacts or reproduced them differently. I.e., when I rendered a second (third, fourth, ...) time with +SF100 +EF100, the black space in the image was somewhere else or in some cases disappeared.
• With radiosity turned off, no such artefacts have happened since, even in the scenes where they happened with radiosity turned on.
• Turning off photons with radiosity still turned on did not remove the artefacts.
• Rendering with one thread on one CPU core instead of two threads on two cores did not change anything except the rendering time.
• Changing the radiosity settings I have not tried thoroughly, but at least raising or lowering count or error_bound does not seem to have any effect on this.

While POV-Ray was rendering, no other memory-intensive or CPU-intensive programs were running and POV-Ray itself did not report any error (just the usual warnings that some of the used features could change in future versions etc.). Render priotity was set to “high”.