The Persistence of Vision Raytracer (POV-Ray).
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Opened by Timo Poikola - 2011-07-13
Last edited by William F Pokorny - 2016-10-19
FS#214 - Failed to parse command-line option in Debian
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 Warning: This scene did not contain a #version directive. Please be aware
that as of POV-Ray 3.7, unless already specified via an INI option, a #version
is expected as the first declaration in a scene file. POV-Ray may apply
settings to some features that are intended to maintain compatibility with
pre-3.7 scenes. You are strongly encouraged to add a #version statement to the
scene to make your intent clear. Future versions of POV-Ray may make the
presence of a #version statement mandatory.
Parser Statistics
Finite Objects: 1
Infinite Objects: 0
Light Sources: 1
Total: 2
Parser Time
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
—————————————————————————-
Render Options
Quality: 9 Bounding boxes.......On Bounding threshold: 3 Antialiasing.........Off
[Rendering...]
Rendered 76800 of 76800 pixels (100%)
Render Statistics
Image Resolution 320 x 240
Pixels: 76800 Samples: 0 Smpls/Pxl: 0.00
Rays: 76800 Saved: 0 Max Level: 1/5
Ray→Shape Intersection Tests Succeeded Percentage
Box 78226 1426 1.82
Shadow Ray Tests: 1426 Succeeded: 0
Render Time:
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
POV-Ray finished
—
Every now and then all other command line options than –version, -version, -V, –help, -help -h, -?, –benchmark and –benchmark without leading strace in command line produces “Faild to parse command-line option” error.
My system: ebian GNU/Linux unstable (sid), quadcore AMD Phenom 2.6 GHz, 8GB ram.
Povray:
rekcahx@oah:~/pov$ povray –version
povray: This is a RELEASE CANDIDATE version of POV-Ray. General distribution is discouraged.
POV-Ray 3.7.0.RC3
This is a release candidate of POV-Ray version 3.7.0.
General distribution is strongly discouraged.
Copyright 1991-2003 Persistence of Vision Team
Copyright 2003-2011 Persistence of Vision Raytracer Pty. Ltd.
Built-in features:
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: -
Compilation settings:
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
Wednesday, 19 October 2016, 12:12 GMT
Reason for closing: Fixed
Additional comments about closing:
For the remaining documentation issue see the inbuilt documentation newsgroup thread:
http://news
.povray.org/povray.documentation.inbuilt
/message/<58075f7b%241%40news.pov
ray.org>
fs#194 might be in the way (+IM(int) get moved to +MI(int) to avoid interference with +I(file) )
Also, have you checked if a previous installation of 3.7 might have already been performed ?
(the system INI files, as well as the user INI files might have changed before 3.7RC3 and not be compatible)
(benchmark ignore the user's INI files, and I even wonder if it ignore also the system INI files)
Is the debian system using SELinux or plain old permissions ?
User's INI files are ~/.povray/3.7/povray.conf ~/.povray/3.7/povray.ini
System's INI files are in /usr/local/share/povray-3.7/ini/povray.ini
Can you read them ?
I think that fs#194 is not problem in this case. Behaviour is not dependent on existence of +I or input filename.
SELinux is disabled in my system, so only old permission scheme is used.
User's INI files and system's INI files are readable by user and them are installed from this 3.7 RC3 source.
As I can see, all options from povray-3.7.0.RC3/vfe/unix/unixoptions.cpp works well. All other command line arguments works only if povray is called by strace or su -c. This is short list of my observations:
strace -o foo povray aa.pov (works)
su rekcahx -c 'povray aa.pov' (works)
povray aa.pov (doesn't work)
povray –help (works)
strace -o foo povray –help (works)
strace -o foo povray +Iaa.pov (works)
povray +Iaa.pov (doesn't work)
povray skene-test.pov (doesn't work)
strace -o foo povray skene-test.pov (works)
Could it be some conflicts on some shared libraries ?
maybe su/strace preloads some (or clear your environment)
Could you do a check with "ldd /usr/local/bin/povray" ?
what is your shell ? ($SHELL)
Can you create a fresh account (like user guest_povray) and tests under that login ? (without installation of the ~/.povray/3.7/*, of course)
(do not copy any .profile/.bashrc/whatever from your user to that new one)
Is /tmp available ? (writable & readable)
Can you check there is no empty line and that the last line is complete (with a carriage/linefeed) in all the configuration files (system & user's) ?
Are these files in DOS or UNIX format ? Is there any out-of-ascii character in them (so they are either in utf-8 or latin... )
(it's easy to see with vim/gvim (:set), the command 'file' can also be handy, even if it try to guess more)
Uhm, case closed. I found a solution.
My previous povray installation in this machine was 3.6. And to preventing semitransparent preview window I added alias to .bashrc:
alias povray='povray -visual DirectColor'
This alias seems to be unneeded with 3.7 and actually it interfered 3.7's command line parser.
Maybe more verbose error message would be better solution for situation like this. "Unknown option: -visual" or "Unknown arguments: -visual DirectColor" instead of "Failed to parse command-line".
Thanks.
don't know if this is any consolation but it did get mentioned in the documentation
Understanding POV-Ray Options
If the last link (wiki of Povray option) is supposed to be accurate, it does not apply to 3.7.
-geometry fails
-help provides the povray help
-icon try to render the con (con.pov) file
-title fails
-visual fails
-display fails too
(the environment variable DISPLAY is honored, no need for a -display; other options are taken away by SDL)
Anyway, #5460 to dump the actual command line in case of error for parsing the command line option on unix.
With respect to the switches that refer to X-windows options (-geometry, -title, -visual etc), if my memory serves me correctly (keep in mind it's been 20 years since I've done any serious X application coding) X has some code that pre-parses arguments and removes any that it considers 'belong' to it (and actions them). Thus, programs written to work with X don't have to worry about the implementation of any X-specific command-line options (and new ones can be added without changing the program).
Hence if X is not enabled, the above options get passed through to POV, which of course doesn't understand them. On the other hand, if X is enabled and POV-Ray gets to see -geometry or other similar options, then something isn't being done correctly since they should never get as far as our command-line parser.
What's the current status? Do we still need to do anything about this error?
From my point of view, the original issue is closed (as now with #5460, the offending line would be dumped, the detection of forgotten alias or magic macro should be trivial).
The part about the Wiki of Unix options is still open: 3.7 use the SDL library, which does not intercept the X11 setting. so -display, -icon and so on are not supported. Supported specific options are in the unix specific source file (from memory: –help, –version; and their shortcuts).
-display and al. were supported at least in 3.1, and that was before SDL library. I do not know when the change occured (3.5, 3.6, or 3.7).