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125 | Parser/SDL | Feature Request | 3.70 beta 37a | Very Low | Very Low | System variable to track whether a file has been includ ... | Closed | |
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Task Description
Request a system variable to test whether a scene file has been included by another scene file.
For instance:
#if (is_included)
camera {...}
#end
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126 | Parser/SDL | Feature Request | 3.70 beta 37a | Very Low | Low | Explicit #RETURN statement inside macros | Closed | |
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Task Description
In POV SDL it can sometimes be ambiguous what exactly a macro returns. An explicit #RETURNS statement would make this unambiguous.
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128 | Parser/SDL | Feature Request | 3.70 beta 37a | Very Low | Low | Mixed-type arrays | Closed | |
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Task Description
Currently, arrays may contain only one object type. Would be nice to eliminate this restriction and allow arrays to contain objects of different types.
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130 | Parser/SDL | Feature Request | 3.70 beta 37a | Very Low | High | Master scene unit system variable | Closed | |
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Task Description
Currently, many POV scenes/include files behave differently depending on the basic units used within the scene. Scaling them differently can affect things like ior and media. A master system variable that users can set to configure the scene’s units would be beneficial for sharing and collaboration purposes, so that person A’s glass interior works correctly in person B’s wine glass scene. Just like the #version system variable, it should have a default value but should be possible to explicitly override.
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132 | Geometric Primitives | Feature Request | 3.70 beta 37a | Very Low | Low | Native support for mesh-based surface approximations | Closed | |
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Task Description
There are various scripts around the Net meant for approximating things like isosurfaces and parametric objects using meshes. It would probably run bit faster and be easier to use if this were supported natively within Povray. The feature would require an additional object parameter in order to toggle this behavior on/off.
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134 | Image format | Feature Request | 3.70 beta 37a | Very Low | Low | INI option to overlay render information on output imag ... | Closed | |
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Task Description
It would be nice to configure an INI option to add render information like render time, date, and input file to output images.
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135 | Platform-specific | Feature Request | 3.70 beta 37a | Very Low | Low | Right-click menu when clicking on editor tab | Closed | |
3.70 beta 38 |
Task Description
When right-clicking on a tab in the editor window a list of options should appear, such as:
* Close * Close all but this * Save * Save as * Print
See Notepad++, EditPad Lite, and Firefox for examples.
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136 | Parser/SDL | Feature Request | 3.70 beta 37a | Defer | Very Low | String concatenation operator | Closed | |
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Task Description
Using the concat function is tedious. Why not just have an operator with which to concatenate strings?
“Hello " + “world!”
“Hello " . “world!”
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137 | Include files | Feature Request | 3.70 beta 37a | Very Low | Low | atand function | Closed | |
3.70 beta 38 |
Task Description
There already exist atan, atan2 and atan2d functions, why not atand?
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139 | Platform-specific | Feature Request | 3.70 beta 37a | Very Low | Low | "Delete" option in File menu | Closed | |
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Task Description
Would be nice to have a “Delete” option in the File menu to delete the current file from disk.
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141 | Documentation | Compatibility Issue | 3.70 beta 37a | Very Low | Low | Document changed behavior processing INI files | Closed | |
3.70 release |
Task Description
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.
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143 | Backend | Feature Request | 3.70 beta 37a | Very Low | Low | explicit Output_File_Name for images/animations | Closed | |
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Task Description
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.
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146 | Parser/SDL | Possible Bug | 3.70 beta 37a | Very Low | Low | Macros are finnicky about how you type your code | Closed | |
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Task Description
Macros are finicky about how you type your code. What works outside macros sometimes fails inside them. For more information see the threads:
“Problems with macro (3.6)”, in p.a-u, 06-09-10 “Bad operands”, in p.g, 05-20-10
Still not sure *what* exactly the problem was, but one of my workarounds ended up working.
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147 | Frontend | Possible Bug | 3.70 beta 37a | Very Low | Low | Statistic_File not working? | Closed | |
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Task Description
In POV 3.6 you could set the Statistic_File option to a custom file and folder path. In the beta I get an “Cannot open file” error. Has the feature been intentionally removed or did it become broken?
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148 | Documentation | Feature Request | 3.70 beta 37a | Very Low | Low | Thumbnails in docs for shapes.inc, shapes_old.inc, shap ... | Closed | |
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Task Description
The documentation entries for shapes.inc, shapes_old.inc, shapes2.inc, shapesq.inc, etc. should have thumbnails next to the object descriptions.
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149 | User interface | Feature Request | 3.70 beta 37a | Very Low | Low | Tray icon: show render progress | Closed | |
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Task Description
In the tray icon, I’d like to see the render progress indicated somehow icon itself. Either a set of numbers (percents), or a change in color of the icon (e.g. from top to bottom). Something like the attached images.
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150 | Frontend | Compatibility Issue | 3.70 beta 37a | Very Low | Low | Windows file association problems (Win7 only??) | Closed | |
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Task Description
Windows allows you to associate programs with file extensions using the “Open with” file manager right-click menu extension.
I’m running Windows 7 64bit, and installed the 64 bit versions of 3.6.2 and the beta appropriately.
A couple of problems that I haven’t tested very thoroughly:
1. If you have both POV 3.6.2 and the beta installed at the same time, you can no longer using this dialog change the association to the beta once it has been created for 3.6.2. There’s no error or anything; it just opens the file inside 3.6.2 instead. Maybe because both versions appear as “POV-Ray for Windows” to this dialog? Would adding the version number to the name fix things? Anything I can do on my end of things to resolve this?
2. In POV-Ray 3.6.2, I can use this dialog to open *.inc, *.txt and other files in POV-Ray, but only if POV-Ray isn’t already running. If POV-Ray is already running I get an “Only /EDIT and /RENDER may be passed to previous instance” error. Files with the *.pov extension open properly regardless, without any error. I am unable to test this in the beta at the moment due to the first problem unfortunately. Could someone please test this with the beta and confirm whether the behavior also exists?
3. With the POV-Ray 3.7 beta, entering the following command in the command prompt results in the same error:
"C:\Program Files\POV-Ray for Windows v3.7\bin\pvengine64.exe" "D:\Working\Povray\GearHead\LoadingScreen\btr_maanji.pov"
If I change it to the following it works however:
"C:\Program Files\POV-Ray for Windows v3.7\bin\pvengine64.exe" /EDIT "D:\Working\Povray\GearHead\LoadingScreen\btr_maanji.pov"
Is this error/behavior really necessary? Would it be OK to instead change the behavior when the /EDIT flag is omitted in the command-line such that the file is opened in the editor by default, without throwing an error?
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152 | Parser/SDL | Feature Request | 3.70 beta 37a | Very Low | Low | Camera in object, union statements | Closed | |
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Task Description
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.
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153 | Runtime error | Possible Bug | 3.70 beta 37a | Very Low | Low | Error determining I/O permissions when using .ini file | Closed | |
3.70 release |
Task Description
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>?
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154 | Setup/Install | Possible Bug | 3.70 beta 37a | Very Low | Low | Installation on linux (unix ?) in $HOME/.povray/3.7 set ... | Closed | |
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Task Description
Installation script (from sources) when run with a classical “sudo make install” would create povray.ini & povray.conf in $HOME/.povray/3.7 (so far so fine) with the owner as root and the permission to readonly for the real user.
Same goes for the owner of the 3.7 directories tree : .povray & .povray/3.7 are created with root owner, despite being in $HOME of the performing user.
Please fix ?
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157 | Include files | Definite Bug | 3.70 beta 37a | Very Low | Medium | Warnings when parsing include file provided by distribu ... | Closed | |
3.70 beta 39 |
Task Description
Include file golds.inc still provides warnings when parsed, a shame for a standard include file. (colors.inc is ok, I did not test the other includes)
File '/usr/local/share/povray-3.7/include/golds.inc' line 118: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 119: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 129: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 130: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 140: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 141: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 151: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 152: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 162: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
File '/usr/local/share/povray-3.7/include/golds.inc' line 163: Parse Warning:
Expected pure RGB color expression, unexpected filter and transmit components
will have no effect.
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155 | Runtime error | Definite Bug | 3.70 beta 38 | Very Low | Medium | Not able to run --benchmark | Closed | |
3.70 beta 39 |
Task Description
Compiled on linux (revision #5066), ./configure COMPILED_BY=”###” –disable-io-restrictions
the command: povray –benchmark
is failing: Failed to parse INI file
povray –version
povray: this pre-release version of POV-Ray for Unix expires in 27 day(s) and 5 hour(s) POV-Ray 3.7.0.beta.38
This is a time-limited beta test version which expires 31 Dec 2010. General distribution is strongly discouraged.
Copyright 1991-2003 Persistence of Vision Team Copyright 2003-2010 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++ 4.4.3
Compiler flags: -pipe -Wno-multichar -Wno-write-strings -fno-enforce-eh-specs -s -O3 -ffast-math -march=native -pthread
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156 | Other | Definite Bug | 3.70 beta 38 | Very Low | Low | Crash when reading from DF3 file with no data, using in ... | Closed | |
3.70 RC4 |
Task Description
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
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158 | Other | Definite Bug | 3.70 beta 38 | Very Low | Low | Antialias Gamma reporting error | Closed | |
3.70 beta 39 |
Task Description
value is erroneously clipped to the range 0..1 before being displayed
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159 | Frontend | Possible Bug | 3.70 beta 38 | Very Low | Low | Test bug for checking features of flyspray | Closed | |
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Task Description
Test bug for checking features of flyspray.
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161 | Image format | Definite Bug | 3.70 beta 38 | Very Low | Medium | error when writing jpg format (linux build) | Closed | |
3.70 release |
Task Description
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.
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163 | Parser/SDL | Unimp. Feature/TODO | 3.70 beta 38 | Very Low | Medium | no pigment warning | Closed | |
Future release |
Task Description
no warning is issued when an object/primitive has no pigment type given
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164 | Other | Feature Request | 3.70 beta 38 | Very Low | Low | Date/time stamp on rendered images | Closed | |
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Task Description
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.
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166 | Texture/Material/Finish | Definite Bug | 3.70 beta 38 | Very Low | Low | quick_color does not work | Closed | |
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Task Description
the quick_color feature doesn’t work when +qN or Quality=N is set to 5 or below
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167 | Other | Definite Bug | 3.70 beta 38 | Very Low | Medium | Core dump when rendering to huge dimensions | Closed | |
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Task Description
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 ). )
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168 | Texture/Material/Finish | Definite Bug | 3.70 beta 38 | Very Low | Medium | noise_generator default broken | Closed | |
3.70 beta 40 |
Task Description
[Original Title: “texture_map interpolation does not work correctly for some patterns”]
The below test scene should yield identical textures T_STRAND1 and T_STRAND2 but this is not the case. Reported and verified in
http://news.povray.org/povray.general/thread/%3C4cbd804b%241%40news.povray.org%3E/
The problem seems to affect bozo, bumps, dents, granite, spotted, and maybe wrinkles. The problem was reported earlier in
http://news.povray.org/povray.beta-test/thread/%3C48112367%241%40news.povray.org%3E
with a comment that 3.6 gives the expected results
#declare C_STRAND = color rgb 1;
#declare C_CLEAR = color rgb 0;
#declare T_STRAND = texture
{
pigment {color C_STRAND}
}
#declare T_CLEAR = texture
{
pigment {color C_CLEAR}
}
#declare T_STRANDS1 = texture
{
pigment
{
granite scale 2 color_map
{
[0.0 color C_STRAND]
[0.5 color C_CLEAR]
[1.0 color C_CLEAR]
}
}
}
#declare T_STRANDS2 = texture
{
granite scale 2 texture_map
{
[0.0 T_STRAND]
[0.5 T_CLEAR]
[1.0 T_CLEAR]
}
}
plane
{
z, 10
texture {T_STRANDS1}
//texture {T_STRANDS2}
}
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103 | Image format | Definite Bug | 3.70 beta 37 | Very Low | Low | JPEG output does not conform to baseline JFIF standard | Closed | |
3.70 beta 38 |
Task Description
POV-Ray 3.7-generated JPEG image output files do not conform to the JFIF standard. Most importantly, the files written do not use the standard YCbCr color model (they seem to use plain RGB instead), nor do they have a proper JFIF tag.
As a consequence, some software may be unable to read the generated JPEG files properly. In addition, it seems that POV-Ray mixes up the Red and Blue channels.
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104 | Image format | Definite Bug | 3.70 beta 37 | Medium | Critical | Output file gamma broken for File_Gamma=1.0 | Closed | |
3.70 beta 37a |
Task Description
Setting File_Gamma=1.0 produces unexpectedly bright output files for most output file formats, as if File_Gamma was set to 2.2 instead.
The underlying problem is a bug that, when File_Gamma is set to exactly 1.0, causes the encoding gamma function to be undefined, which was not meant to happen in current versions, and instead was reserved for future versions to signal that a file-format-specific default encoding gamma should be used. The image file output handlers already support this, most of them choosing the sRGB transfer function, giving roughly the same output as setting File_Gamma=2.2.
As a preliminary workaround, users may want to set File_Gamma=1.02 (any value smaller than 0.99 or greater than 1.01 should do).
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105 | User interface | Unimp. Feature/TODO | 3.70 beta 37 | Very Low | Low | output options not displayed | Closed | |
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Task Description
POV-Ray 3.7 does not show output options, such as:
Output Options
Image resolution 640 by 480 (rows 1 to 480, columns 1 to 640).
Output file: D:\foo\test.png, 24 bpp PNG
Graphic display......On (gamma: 2.2)
Mosaic preview.......Off
CPU usage histogram..Off
Continued trace......Off
(the above is what 3.6 used to show)
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107 | Parser/SDL | Definite Bug | 3.70 beta 37 | Very Low | Low | Failed to parse INI file, over network | Closed | |
3.70 beta 38 |
Task Description
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
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78 | Photons | Possible Bug | 3.70 beta 35a | Very Low | High | Wrong rendering of BeamTest-Scene in 3.7.beta.35a | Closed | |
3.70 beta 37 |
Task Description
Hi,
following scene will not be rendered correctly in 3.7.beta.35a:
http://lib.povray.org/collection/beamtest/cousin%20ricky%201.1/beamtest.html
maybe it is a configuration problem or it is a real bug.
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80 | Parser/SDL | Possible Bug | 3.70 beta 35a | Very Low | Medium | Bad behavior for missing image file | Closed | |
|
Task Description
The following SDL code
sphere {0, 1 pigment {image_map {png "missing.png"}}
yields “render failed” in 3.7b25 and the position of the error is not highlighted in source code, giving no clue what went wrong. In 3.6 this yields “Parse Error: Cannot open PNG file”.
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82 | Other | Possible Bug | 3.70 beta 35a | Very Low | Low | correction to Shapes.pov | Closed | |
|
Task Description
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>
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83 | Source code | Possible Bug | 3.70 beta 36 | Very Low | Very Low | redundant code in pvengine.cpp | Closed | |
3.70 beta 37 |
Task Description
In pvengine.cpp (file revision 154), lines 4003-4006 are exact duplicates of lines 3999-4002:
3997 case KEYWORD_LOOKUP_MESSAGE :
3998 hh_aklink.pszKeywords = (LPCSTR) lParam ;
3999 if (strncmp (hh_aklink.pszKeywords, "oooo", 4) == 0)
4000 hh_aklink.pszKeywords = "" ;
4001 if (strncmp (hh_aklink.pszKeywords, "//", 2) == 0)
4002 hh_aklink.pszKeywords = "" ;
4003 if (strncmp (hh_aklink.pszKeywords, "oooo", 4) == 0)
4004 hh_aklink.pszKeywords = "" ;
4005 if (strncmp (hh_aklink.pszKeywords, "//", 2) == 0)
4006 hh_aklink.pszKeywords = "" ;
4007 HtmlHelp (NULL, engineHelpPath, HH_KEYWORD_LOOKUP, (DWORD_PTR) &hh_aklink) ;
4008 return (true) ;
This duplication appears pretty much useless to me - or am I missing something?
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88 | Image format | Definite Bug | 3.70 beta 36 | Very Low | Low | File output code does not properly handle negative colo ... | Closed | |
3.70 beta 37 |
Task Description
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.
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89 | Image format | Definite Bug | 3.70 beta 36 | Very Low | Low | PPM output garbled for bit depths other than 8 bits | Closed | |
3.70 beta 37 |
Task Description
When choosing PPM output with a bit depth other than 8 bits per color channel (e.g. +FP16), POV-Ray messes up the colors (see thread news://news.povray.org:119/4babb48f$1@news.povray.org)
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90 | Parser/SDL | Definite Bug | 3.70 beta 36 | Very Low | Very Low | POV-Ray accepts additional patterns after "slope" | Closed | |
3.70 beta 37 |
Task Description
The following code is erroneously accepted by POV-Ray (tested with 3.7.0.beta.36):
pigment{
slope { x }
checker
}
The result is a checker pattern.
Apparently there is an EXIT statement missing in the slope-pattern parsing code in parstxtr.cpp.
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92 | Geometric Primitives | Definite Bug | 3.70 beta 36 | Low | High | Sphere_Sweep Bug | Closed | |
3.70 beta 37 |
Task Description
This item may need to be merged with item FS#81. This is another sphere sweep bug, though they are of different spline types.
The code is
#include "colors.inc"
camera {
location <0, 0.0, -4.0>
direction 1.5*z
right x*image_width/image_height
look_at <0.0, 0.0, 0.0>
}
light_source {
<0, 0, 0> // light's position (translated below)
color rgb <1, 1, 1> // light's color
translate <-30, 30, -30>
}
#declare i_start = 0;
#declare i_stop = 3;
#declare i_step = 0.05;
#declare i_inc = i_start;
sphere_sweep {
linear_spline // linear curve
(i_stop - i_start)/i_step + 1, // number of specified sphere positions
#while(i_inc<=i_stop)
#declare y_coor = 0.23*sin(7.1*i_inc);
<i_inc, y_coor, 0>, 0.05
#declare i_inc = i_inc + i_step;
#end
pigment{color Orange}
}
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93 | Photons | Definite Bug | 3.70 beta 36 | Very Low | Medium | Photons are unnaturally amplified by pass_through objec ... | Closed | |
3.70 release |
Task Description
The following scene shows how photons are “boosted” by pass_through objects; removing one of the boxes will reduce the effect; the effect can be seen with 3.6 as well as current betas:
global_settings {
max_trace_level 10 // makes a difference!
photons { spacing 0.02 }
}
camera {
right x*image_width/image_height
location <0,2.6,-10>
look_at <0,0.75,0>
}
light_source {
<500,500,150>
color rgb 1.3
photons {
refraction on
reflection on
}
}
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>]
}
}
}
plane {
y, 0
texture { pigment { color rgb <1.0, 0.8, 0.6> } }
}
#declare M_Glass=
material {
texture {
pigment {rgbt 1}
finish {
ambient 0.0
diffuse 0.05
specular 0.6
roughness 0.005
reflection { 0.1, 1.0 fresnel on }
conserve_energy
}
}
interior {
ior 1.5
fade_power 1001
fade_distance 0.9
fade_color <0.5,0.8,0.6>
}
}
sphere {
<1.1,1,-1.3>, 1
material { M_Glass }
photons {
target 1.0
refraction on
reflection on
}
}
cylinder {
<-1.2,0.01,0.8>, <-1.2,2.5,0.8>, 1
material { M_Glass }
photons { // photon block for an object
target 1.0
refraction on
reflection on
}
}
box {
<2.4,0,-2.3>, <2.6,4,-0.3>
material { M_Glass }
photons { pass_through }
}
box {
<2.9,0,-2.3>, <3.1,4,-0.3>
material { M_Glass }
photons { pass_through }
}
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94 | Texture/Material/Finish | Definite Bug | 3.70 beta 36 | Very Low | High | Unexpected refraction angle in interfaces with changing ... | Closed | |
3.70 beta 37 |
Task Description
I’ve tried to model this setup: http://kschwebke.webng.com/povray/ior-interfaces/drawing.png with the following SDL: http://kschwebke.webng.com/povray/ior-interfaces/rs2.pov.txt
A small overlap between the two transparent solids is needed, because a gap would lead to total reflection. The camera in the test scene looks in the direction of the ray in the setup drawing. The setup is surrounded with angular markers, so one can easily read the final resulting looking angle.
POV-Ray 3.6.1 renders the expected result (~53° in the center of the screen): http://kschwebke.webng.com/povray/ior-interfaces/rs2-35.jpeg
POV-Ray 3.7.0b35a (compiled Unix source) renders a different (and in my opinion wrong) angle (~67°), however – for the very same scene file: http://kschwebke.webng.com/povray/ior-interfaces/rs2-37b35a.jpeg
I’ve started a discussion about this issue in povray.beta-test: http://news.povray.org/povray.beta-test/thread/%3Cweb.4bba4677730ab9f3e8c084b40%40news.povray.org%3E/
All linked documents are also attached.
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95 | Photons | Definite Bug | 3.70 beta 36 | Low | High | Photons are over-attenuated by semi-transparent surface ... | Closed | |
3.70 beta 37 |
Task Description
The code to attenuate transmitted photons according to surface texture was apparently duplicated during refactoring of the source code for version 3.7. Behavior has changed from 3.6 to 3.7 (beta.36) accordingly, as can be demonstrated with the following scene:
global_settings {
assumed_gamma 1.0
max_trace_level 10
photons { spacing 0.02 }
}
camera {
right x*image_width/image_height
location <0,2.6,-10>
look_at <0,0.75,0>
}
light_source {
<500,300,150>
color rgb 1.3
photons {
refraction on
reflection on
}
}
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>]
}
}
}
plane {
y, 0
texture { pigment { color rgb <1.0, 0.8, 0.6> } }
}
#declare M_Glass=
material {
texture {
pigment {rgbt 1}
finish {
ambient 0.0
diffuse 0.05
specular 0.6
roughness 0.005
reflection { 0.1, 1.0 fresnel on }
conserve_energy
}
}
interior {
ior 1.5
fade_power 1001
fade_distance 0.9
fade_color <0.5,0.8,0.6>
}
}
#declare M_PseudoGlass2=
material {
texture {
pigment {rgbf <0.8,0.2,0.2,0.8>}
finish {
ambient 0.0
diffuse 0.05
specular 0.6
roughness 0.005
reflection { 0.1, 1.0 fresnel on }
conserve_energy
}
}
interior {
ior 1.0
}
}
sphere {
<1.1,1,-1.3>, 1
material { M_Glass }
photons {
target 1.0
refraction on
reflection on
}
}
box {
<2.4,0,-2.3>, <2.6,4,0.3>
material { M_PseudoGlass2 }
photons { target 1.0 refraction on reflection on }
}
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97 | Other | Possible Bug | 3.70 beta 36 | Very Low | Low | Forward-slash pathnames not fully supported in Windows ... | Closed | |
3.70 beta 38 |
Task Description
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.
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100 | Texture/Material/Finish | Definite Bug | 3.70 beta 36 | Very Low | Low | cutaway_textures | Closed | |
3.70 beta 37 |
Task Description
When using cutaway_textures the differenced part traces black. Simple scene file attached.
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101 | Include files | Feature Request | 3.70 beta 36 | Very Low | Low | woodmaps.inc dependency | Closed | |
3.70 beta 38 |
Task Description
woodmaps.inc depends on colors.inc, more specifically the definition of the color “Clear” perhaps a #ifndef colors.inc belongs in woodmaps.inc or probably more correctly changing the call of “Clear” to rgbf 1
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77 | Geometric Primitives | Definite Bug | 3.70 beta 35 | Very Low | High | Cone is not on good place when first base point is lowe ... | Closed | |
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Task Description
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.
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