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303 | Other | Definite Bug | 3.70 RC7 | Defer | Very Low | wrong bit depth reported for OpenEXR file format | Tracked on GitHub | |
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Task Description
When using OpenEXR output file format, POV-Ray erroneously reports it as “24 bpp EXR” in the message output, while in fact it generates a 3×16 = 48 bpp file.
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300 | Other | Feature Request | 3.70 RC7 | Defer | Very Low | Reference Documentation Support | Tracked on GitHub | |
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Task Description
As emerged as an idea during the discussion of FS#299, an SDL / POV-Ray editor feature would be useful that allows API documentation via formal comments, e.g. in include files:
/**
* Creates a car object.
* @param a
* description of param a
* ...
*/
#macro car(a,b,c)
...
#end
In addition to the ability of (auto-)generating a documentation file from such comments, an editor window feature would be convenient that allows popup display of a macro’s (object’s / parameter’s / ...) documentation section.
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296 | Geometric Primitives | Definite Bug | 3.70 RC7 | Defer | Medium | max gradient computation is not thread safe (isosurface... | Tracked on GitHub | |
3.71 release |
Task Description
It appears as a side effect of investigation of #294: the code in isosurf.cpp, inside bool IsoSurface::Function_Find_Root_R(ISO_ThreadData& itd, const ISO_Pair* EP1, const ISO_Pair* EP2, DBL dt, DBL t21, DBL len, DBL& maxg)
if(gradient < temp)
gradient = temp;
is not thread-safe (The code is used at render time, there is a data race between < and = operation, as gradient is stored in the global object and accessed in write mode by the cited code)
It is only important if the gradient is initially undervaluated (otherwise, all is fine, no write-access)
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282 | Image format | Feature Request | Not applicable | Defer | Low | Unrendered region should be transparent, not black | Tracked on GitHub | |
Future release |
Task Description
When rendering only a region of a file, using the command-line options +sc/+sr/+ec/+er, the area of the image that is excluded comes out as black in the final PNG.
Expected behaviour is for it to be transparent.
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281 | Geometric Primitives | Feature Request | 3.70 RC7 | Defer | Low | Bug in rendering of Bézier patches | Tracked on GitHub | |
Future release |
Task Description
In version 3.7.0.RC7.msvc10.win64, there is a bug in rendering Bézier patches in which four points (along one edge) are all the same point.
The rendering can be seen here: http://i.imgur.com/eq2UIXR.png [Edit: See attachment for the rendering]
As you can see, there is a visible unwanted artifact in the corner of each patch. The two patches shown are essentially the same, except with the 4×4 matrix of vertices transposed (just to demonstrate that simply transposing it didn’t fix it).
Expected rendering is a smooth surface without the artifact.
Below is the code used to render the above example.
#version 3.7;
global_settings { assumed_gamma 1.0 }
camera {
location <45, 31, -10>
look_at <40, 21, 200>
right x*image_width/image_height
}
light_source {
<660, 300, -525>
color rgb 1
}
Example 1: First point in each row is the same point bicubic_patch { type 1 flatness 0.001 u_steps 4 v_steps 4 <32.2168, -23.78125, 0>, <34.4968, -23.78125, 0>, <35.2168, -23.78125, -0.72>, <35.2168, -23.78125, -3>, <32.2168, -23.78125, 0>, <34.4968, -22.10256, 0>, <35.2168, -21.57244, -0.72>, <35.2168, -21.57244, -3>, <32.2168, -23.78125, 0>, <33.9709, -21.55577, 0>, <34.52483, -20.85299, -0.72>, <34.52483, -20.85299, -3>, <32.2168, -23.78125, 0>, <32.30556, -21.50298, 0>, <32.33359, -20.78352, -0.72>, <32.33359, -20.78352, -3> rotate 180*x
scale 1.4 translate ←5, 0, 0> pigment { color <1, 0, 0> } }
Example 2: First row is all the same point bicubic_patch {
type 1 flatness 0.001
u_steps 4 v_steps 4
<32.2168, -23.78125, 0>, <32.2168, -23.78125, 0>, <32.2168, -23.78125, 0>, <32.2168, -23.78125, 0>,
<34.4968, -23.78125, 0>, <34.4968, -22.10256, 0>, <33.9709, -21.55577, 0>, <32.30556, -21.50298, 0>,
<35.2168, -23.78125, -0.72>, <35.2168, -21.57244, -0.72>, <34.52483, -20.85299, -0.72>, <32.33359, -20.78352, -0.72>,
<35.2168, -23.78125, -3>, <35.2168, -21.57244, -3>, <34.52483, -20.85299, -3>, <32.33359, -20.78352, -3>
rotate 180*x
scale 1.4
pigment { color <1, 1, 0> }
}
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272 | Other | Feature Request | 3.70 RC6 | Defer | Very Low | Minor change, significant speedup in cubic polynomial s... | Tracked on GitHub | |
3.71 release |
Task Description
While familiarizing myself with the code, I found some small changes in the solve_cubic function that lead to a significant speedup.
In my experience, “pow” is by far the slowest function in math.h and replacing it with simpler functions usually makes a tremendous impact on the speed (it’s an order of magnitude slower than sqrt/exp/cbrt/log).
solve_cubic has a “pow” function that can be replaced by cbrt (cubic root), which is standard in ISO-C99 and should be available on all systems. Separate benchmarks of solve_cubic function show this change almost doubles the speed and does not lower the accuracy. As solve_cubic is part of the solution of quartic equation, this improves the speed for many primitives. Testing with a scene containing many torus intersection tests (attached below) I still observed almost 10% speedup (Intel, 4 threads, 2 hyperthreaded cores, antialiasing on, 600×600: from 91 to 84 seconds). And this is for a torus, where a lot of time is spent in the solve_quartic and cubic solver is only called once! Similar speedup should be expected for prism, ovus, sor and blob.
I do believe the cubic solver can be done without trigonometry, but that would mean changing the algorithm, introducing new bugs and requiring a lot of testing. However, the trigonometric evaluation can still be simplified (3% speedup in full torus benchmark).
These changes don’t affect the algorithm at all, they are mathematically identical to the existing code, so the changes can be applied immediately. I also included other changes just as suggestions. Every change is commented and marked with [SC 2.2013].
This sadly does not speedup the sturm solver, which uses bisection and regula-falsi and looks very optimized already.
The test scene I used has a lot of torus intersections from various directions (shadow rays, main rays, transmitted rays).
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271 | Texture/Material/Finish | Definite Bug | 3.70 RC6 | Defer | Low | filter affects object's own brightness in an improper w ... | Closed | |
3.70 release |
Task Description
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.
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264 | Photons | Unimp. Feature/TODO | 3.70 RC6 | Defer | Low | Improve precision of photon direction information | Tracked on GitHub | |
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Task Description
In the photons map, the direction of each photon is stored as separate latitude & longitude angles (encoded in one byte each), causing the longitudinal direction component’s precision to be unnecessarily high for directions close to the “poles” (Y axis); in addition, encoded value -128 is never used. For better overall precision as well as precision homogenity, the following scheme could be used instead:
latCode = (int)((LatCount-1) * (lat/M_PI + 0.5) + 0.5)
For each latitude code, define a specific number of encodable longitude values, LngCount[latCode] = approx. cos(lat)*pi*65536/(2*LatCount); this can be a pre-computed table, and may need slight tweaking for optimum use of the code space. Encode the longitude (-pi to +pi) into a value from 0 to (LngCount[lat]-1) using
LC = LngCount[latCode];
lngCode = (int)(LC * (lng/(2*M_PI) + 0.5) + 0.5) % LC;
dirCode = LatBase[latCode] + lngCode;
For decoding, a simple lookup from a precomputed list of directions could be used (2^15 entries, i.e. one hemisphere, will suffice). To conserve space, direction vectors could be scaled by (2^N-1) and stored as (N+1)-bit signed integer triples rather than floating point values; due to the limited precision of the lat/long information, 8 bits per coordinate might be enough, giving a table size of 96k. A full double-precision table would require 786k instead.
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245 | Other | Feature Request | All | Defer | Low | POVMS message queue can fill up with GB of data for ver... | Tracked on GitHub | |
Future release |
Task Description
With very fast renders and very large output files, the message queue can fill up because the producers are not limited by IO, while the consumer performance is limited by disk IO. Consequently, the message queue can fill up to exhaust all available memory. The solution is to build in some better control of pending output data in the message queue on the producer side. This will also pave the way for message communication over slow links (i.e. a network).
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243 | Geometric Primitives | Unimp. Feature/TODO | All | Defer | Low | Sphere sweep behaves wrong when scaled | Tracked on GitHub | |
Future release |
Task Description
The sphere_sweep renders well when specified directly, but when it is scaled, its bounding box is calculated incorrectly, which clips the object so it almost disappears.
The effect is present for all three types of splines.
I’m attaching a test scene and the rendering result. The saving of the object with #declare has no effect, I just wanted to show both transformed and untransformed version.
I don’t think this issue is related to other artifacts occuring with sphere_sweep, as it is obviously an issue of the internal bounding box.
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242 | Other | Feature Request | All | Defer | Very Low | Algorithm to fix the so-called shadow line artifact | Tracked on GitHub | |
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Task Description
The so-called shadow line artifact (http://wiki.povray.org/content/Knowledgebase:The_Shadow_Line_Artifact) which affects objects with a ‘normal’ statement as well as smooth meshes and heightfields can be really annoying sometimes. Currently the only way to remove it is to make the object shadowless, which isn’t a good solution except in very special cases.
This algorithm could remove the artifact: If the actual normal vector of the object points away from the light source (its dot-product with the light vector is negative) but the perturbed normal points towards it (dot-product positive), then ignore the first shadow-test intersection with the object itself.
There are alternative ways of implementing an equivalent functionality:
- Don’t check the condition (if it’s too difficult to check due to how the code is designed) but always ignore the first intersection with the objects itself. This will work properly with closed surfaces but not with open ones, so it might need to be a feature for the user to turn on with a keyword (similar to eg. ‘double_illuminate’).
- Alternatively, don’t ignore the first intersection, but instead ignore the “opposite side” of the object’s surface (again, possibly only if a keyword has been specified). In other words, if we are rendering the outer side of the object, ignore its inner side when shadow-testing, and vice-versa.
- Perhaps simply add a feature to make surfaces one-sided (similarly to how they can be made so in OpenGL and similar scanline rendering systems). In other words, the inner side of a surface is completely ignored everywhere, making the object virtually invisible from the inside. The advantage of this feature would be that it can have uses other than simply removing the shadow line artifact.
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237 | User interface | Definite Bug | 3.70 RC3 | Defer | Very Low | Glitch in displaying rendered pixels and percentage | Tracked on GitHub | |
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Task Description
When rendering in multiple passes (radiosity in my case), the elapsed pixels and percentage, written to terminal are first displayed like this: Rendered 126202 of 360000 pixels (35%) Then on the second stage the output text becomes shorter and you see Rendered 25344 of 360000 pixels (7%)%) The contents of the previous status are not erased, so the longer text persists (note the duplicate percentage sign and closing parenthesis). Such a glitch could have more drastic effect in rare cases.
I’m running Version 3.7.0.RC3 (g++ 4.6.2 x86_64-unknown-linux-gnu) compiled for the Arch Linux package.
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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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133 | Geometric Primitives | Feature Request | 3.70 beta 37a | Defer | Very Low | Subdivision support | Tracked on GitHub | |
Future release |
Task Description
Someone built a version of Povray with internal support for automatic subdivision of meshes. See:
http://www.cise.ufl.edu/~xwu/Pov-Sub/
Would like to see this feature added natively to Povray.
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129 | Parser/SDL | Feature Request | 3.70 beta 37a | Defer | Very Low | Hash arrays | Tracked on GitHub | |
Future release |
Task Description
Currently, array items may only be referenced by their index number (an integer). It would be nice to also be able to assign string values as array indexes, as in other scripting languages.
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124 | Parser/SDL | Feature Request | 3.70 beta 37a | Defer | Very Low | variable number of parameters in macros | Closed | |
Future release |
Task Description
Many programming languages support an indeterminate number of parameters in functions/macros.
JavaScript for instance supports an “arguments” object.
Lua for instance supports the “args” object.
I would like to see that added to POV as well.
Here’s an JavaScript example:
function ArgTest(a, b){
var i, s = "The ArgTest function expected ";
var numargs = arguments.length; //Get number of arguments passed.
var expargs = ArgTest.length; //Get number of arguments expected.
if (expargs < 2)
s += expargs + " argument. ";
else
s += expargs + " arguments. ";
if (numargs < 2)
s += numargs + " was passed.";
else
s += numargs + " were passed.";
s += "\n\n"
for (i =0 ; i < numargs; i++){ //Get argument contents.
s += " Arg " + i + " = " + arguments[i] + "\n";
}
return(s); //Return list of arguments.
}
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109 | Other | Compatibility Issue | 3.70 beta 37a | Defer | Very Low | Debug_File No Longer Appends Frame by Frame Debug Data | Closed | |
Future release |
Task Description
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.
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99 | Refactoring/Cleanup | Unimp. Feature/TODO | 3.70 beta 36 | Defer | Very Low | Refactor engine (front- & back-end) code for Unicode su... | Tracked on GitHub | |
Future release |
Task Description
Front- & Back-end code should be refactored for full Unicode support in scene files and strings.
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98 | Refactoring/Cleanup | Unimp. Feature/TODO | 3.70 beta 36 | Defer | Medium | Refactor Windows UI code for Unicode support | Tracked on GitHub | |
Future release |
Task Description
Windows UI code should be refactored to use _TCHAR throughout instead of char, as well as the corresponding string function macros, to head for Unicode support.
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91 | Texture/Material/Finish | Feature Request | 3.70 beta 36 | Defer | Low | Slope pattern applied to object is not transformed afte... | Tracked on GitHub | |
Future release |
Task Description
There is an big issue with the slope pattern: when the object it is applied to is instanced (again) with a transformation (in particular a rotation, as a translation would not impact.. but a shear might), the colours of the surfaces are changed.
object { p translate -5*x }
object { p rotate 220*y+20*x translate 3*x }
Nobody would expect the object to be different in appearance. If slope {} is replaced with wood, all is fine. (as for others textures, i guess)
IMHO, the slope vector need to be adjusted for the later transformation(s) (so as to compensate the issue of using the Perturbed Normal vector).
This should not impact the AOI/FACING (experimental) patterns, as AOI definition is pretty clear about duplicating & transform if you think about it a bit, as well as FACING: for these two, it is expected to either use the ray(current point of view) or a fixed 3D point as reference. At the limit, discussion about moving the 3D point of FACING might also be opened to interpretation.
AOI/FACING are in task #19
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87 | Geometric Primitives | Feature Request | Not applicable | Defer | Very Low | Add new feature: Reference object | Tracked on GitHub | |
Future release |
Task Description
When you instantiate an object several times, eg:
object { MyObj translate -x*10 }
object { MyObj translate x*10 }
POV-Ray will copy that object in memory, at least for most types of objects. Not for all of them, though. Most famously if MyObj is a mesh, it won’t be copied, but only a reference to the original will be used, thus saving memory. (There are a few other primitives which also don’t cause a copy, such as bicubic_patch and blob, but those are naturally not so popular as mesh, so it’s a less known fact.)
AFAIK the reason why referencing (rather than copying) is not used for all types of objects is rather complicated, and mostly related to how transformations are applied to these objects. For example if the object being instantiated is a union, the translates above will be (AFAIK) applied to the individual members of the union rather than to the union object itself.
Copying, however, can be quite detrimental in some situations. For example if you have a huge union, and you want to instantiate it many times, the memory usage will be that many times larger (compared to just one instance). This is sometimes something which the user would not want, even if it made the rendering slightly slower as a consequence. (In other words, better to be able to render the scene in the first place, rather than running out of memory.)
Redesigning POV-Ray so that all objects would be referenced rather than copied would probably be a huge job, and in some cases a questionable one. There probably are situations where the current method really produces faster rendering times, so redesigning POV-Ray so that it would always reference instead of copy, could make some scenes render slower.
So this got me thinking about an alternative approach: How hard would it be to create a special object which sole purpose is to act as a reference to another object, without copying it? This special reference object would act as any regular object, would have its own transformation matrix and all that data related to objects, but its sole purpose is to simply be a “wrapper” which references an existing object. It could be, for example, like this:
object_ref { MyObj translate -x*10 }
object_ref { MyObj translate x*10 }
The end result would be exactly identical as earlier, but the difference is that now MyObj behaves in the same way as a mesh (in the sense that it’s not instantiated twice, but only once, even though it appears twice in the scene), regardless of what MyObj is.
In some cases this might render slightly slower than the first version (because POV-Ray has to apply the transformations of the object_ref first, after which it applies whatever transformations are inside MyObj), but that’s not the point here. The point is to save memory if MyObj is large.
An object_ref would behave like any other object, so you could do things like:
#declare MyObjRef = object_ref { MyObj };
object { MyObjRef translate -x*10 }
object { MyObjRef translate x*10 }
(The only thing being instantiated (and copied) here is the “MyObjRef” object, not the object it’s referring to, so that actual object is still stored in memory only once.)
In some situations it might even be so that referenced objects actually render faster than if the objects were copied because references increase data locality, lessening cache misses.
I believe this could be a rather useful feature and should be seriously considered, unless there are some major obstacles in implementing it.
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86 | Parser/SDL | Feature Request | Not applicable | Defer | Very Low | Add support for more RNG types | Tracked on GitHub | |
Future release |
Task Description
The current 32-bit linear congruential generator used as RNG in POV-Ray is sometimes quite limited for some purposes and in a few cases its poor quality shows up (as has been demonstrated more than once in the newsgroup). Thus it would be nice if POV-Ray offered additional, higher-quality random number generators, besides the current one (which should probably remain for backwards compatibility). These RNGs could include algorithms like the Mersenne Twister and the ISAAC RNG, both of which have very decent quality and have an enormous periods (while at the same time being very fast).
After a long discussion, the following syntax for specifying the RNG type and seed (which may be larger than 32 bits) has been suggested:
seed(<value>) | seed(<type>, <value> [, <values>])
For example:
#declare Seed1 = seed(123); // Use the current RNG, with seed 123
#declare Seed2 = seed(1, 123); // Identical to the previous one
#declare Seed3 = seed(2, 456, 789, 123); // Use RNG algorithm #2,
// with a large seed (96 bits specified here)
A C++ implementation of the ISAAC RNG can be found at http://warp.povusers.org/IsaacRand.zip
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85 | Other | Feature Request | Not applicable | Defer | Low | Aspect ratio issues | Tracked on GitHub | |
Future release |
Task Description
Background
When rendering an image, there are actually three aspect ratios involved:
1) The aspect ratio of the camera, set with the up and right vectors.
2) The aspect ratio of the rendered image, set with the +W and +H parameters.
3) The aspect ratio of the pixels in the intended target medium. While this is very often 1:1, it’s definitely not always so (anamorphic images are common in some media, such as DVDs).
The aspect ratio of the camera does not (and arguably should not, although some people might disagree) define the aspect ratio of the image resolution, but the aspect ratio of the image as shown on the final medium. In other words, it defines how the image should be displayed, not what the resolution of the image should be.
This of course means that the aspect ratio of the target medium pixels has to be taken into account when specifying the image resolution. If the target medium pixels are not 1:1 (eg. when rendering for a medium with non-square pixels, or when rendering an anamorphic image eg. for a DVD), the proper resolution has to be specified so that the aspect ratio of the displayed image remains the same as the one specified in the camera block.
This isn’t generally a problem. It usually goes like “my screen is physically 4:3, so I design my scene for that aspect ratio, but the resolution of my screen is mxn which is not 4:3, but that doesn’t matter; I just render with +Wm +Hn and I get a correct image for my screen”.
However, problems start when someone renders an image using an image aspect ratio / pixel aspect ratio combination which does not match the camera aspect ratio. By far the most common situation is rendering a scene with a 4:3 camera for a screen with square pixels but with a non-4:3 resolution (most typically 16:9 or 16:10 nowadays). The image will be horizontally stretched.
In a few cases the effect is the reverse: The scene (and thus the camera) has been designed for some less-typical aspect ratio, eg. a cinematic 2.4:1 aspect ratio, but then someone renders the image with a 4:3 resolution. The resulting image will be horizontally squeezed.
In a few cases this is actually the correct and desired behavior, ie. when you are really rendering the image in an anamorphic format (eg. for a DVD). However, often it’s an inadverted mistake.
Some people argue that this default behavior should be changed. However, there are also good arguments why it should not be changed. Some argue that POV-Ray should have more features (at the SDL level, at the command-line level or both) to control this behavior.
There are several possible situations, which is why this issue is so complicated. These situations may include:
- The scene author doesn’t really care what aspect ratio is used to render the image, even if it means that additional parts of the scenery become visible or parts are cropped away when using a different aspect ratio than what he used.
In this case the choice of camera aspect ratio should be up to the person who renders the image, and thus selectable on the command-line. However, he should have an easy choice of how changing the aspect ratio affects the image: Should it extend the viewing range, or should it crop part of it, compared to the original?
And this, of course, while still making it possible to render for an anamorphic format.
- The author wants to support different aspect ratios, but he wants to control precisely how it affects the composition of the image. Maybe he never wants anything cropped away within certain limits, but instead the image should always be extended in whichever direction is necessary due to the aspect ratio. Or maybe he wants to allow cropping the image, but only up to a certain point. Or whatever.
In this case the choice of camera aspect ratio should be up to the author, and thus selectable in the scene file, while still allowing some changes from the command-line.
- The author designed his scene for a precise aspect ratio and nothing else, and doesn’t want the image to be rendered in any other aspect ratio. Maybe he used some very peculiar aspect ratio (eg. something like 1:2, ie. twice as tall as wide) for artistic composition reasons, and wants the image rendered with that aspect ratio, period.
Perhaps the author should be able to completely forbid the change of camera aspect ratio in the command-line.
Of course anamorphic rendering should still be supported for targets with a different pixel aspect ratio.
Possible solution
This solution does not necessarily address all the problems described above perfectly, but could be a good starting point for more ideas:
Add a way to specify in the camera block minimum and maximum limits for the horizontal and vertical viewing angles (and if any of them is unspecified, it’s unlimited). Of course for this to be useful in any way, there should also be a way to change the camera and pixel aspect ratios from the command line.
The idea with this is that the author of the scene can use these angle limits to define a rectangular “protected zone” at the center of the view, using the minimum angle limits. In other words, no matter how the camera aspect ratio is modified, the horizontal and/or vertical viewing angles will never get smaller than these minimum angles. This ensures that the image will never be cropped beyond a certain limit, only extended either horizontally or vertically to ensure that the “protected zone” always remains fully visible regardless of what aspect ratio is used.
The maximum angles can be used for the reverse: They ensure that no scenery beyond a certain point will ever become visible, no matter what aspect ratio is used. This can be used to make sure that unmodelled parts of the scene never come into view. Thus the image will always be cropped to ensure this, depending on the aspect ratio.
I’m not completely sure what should be done if both minimum and maximum angles are specified, and the user specifies an aspect ratio which would break these limits. An error message could be a possibility. At least it would be a way for the author to make sure his scene is never rendered using an aspect ratio he doesn’t want. He can use these angle limits to give some leeway how much the aspect ratio can change, to an extent, or he could even force a specific aspect ratio and nothing else (by specifying that both the minimum and maximum angles are the same).
So in short:
- Add a “minimum/maximum horizontal/vertical angles” feature to the camera block. These can be used to define a “protected zone” in the image which must not be breached by command-line options.
- Add a command-line syntax to change the camera aspect ratio (which automatically obeys the “protected zone” settings). Could perhaps give an error message if the command-line options break the limits in the scene camera.
- Add a command-line syntax to specify a pixel aspect ratio other than 1:1. This can be used to render anamorphic versions of the image on purpose (iow. not by mistake).
This can probably be made backwards-compatible in that if none of these new features are used, the behavior could be the same as currently (or at least similar).
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84 | Parser/SDL | Feature Request | Not applicable | Defer | Very Low | A for-loop construct | Closed | |
3.70 beta 37 |
Task Description
Many people clearly miss a simple for-loop construct in povray. It is indeed true that probably at least 99% of #while loops out there have the form of a simple for-loop. It’s much rarer to have to use more exotic forms of looping supported by the #while mechanism. Thus it would make sense if a #for construct would be added which would make writing such loops much easier and convenient.
The only remaining question would be the syntax.
IMO the for-loop construct should implicitly declare a local variable of a specified name, automatically increment it during the loop, and then undefine it after the loop ends. It could perhaps be something along the lines of:
#for(<identifier name>, <initial value>, <final value> [, <step>])
<loop body>
#end
Example:
#for(Counter, 1, 10) // 'Counter' gets values 1, 2, 3, ..., 10
#debug concat(str(Counter, 0, 0), "\n")
#end
#for(Counter, 1, 10, 3) // 'Counter' gets values 1, 4, 7, 10
#debug concat(str(Counter, 0, 0), "\n")
#end
I think this syntax ought to be relatively easy to implement (compared to more “traditional” syntaxes, such as something like “for Counter = 1 to 10” or the C syntax, which would be a lot more complicated).
Of course this raises a couple of questions:
1) What happens if ‘Counter’ was already declared as an identifier? One of three possibilities comes to mind:
2) Should the user be able to modify the counter variable from inside the body of the loop? Something like this comes to mind as viable:
// Prints the values 1, 2, 3, 9 and 10
#for(Counter, 1, 10)
#debug concat(str(Counter, 0, 0), "\n")
#if(Counter = 3) #local Counter = 8; #end
#end
Alternatively the counter variable could be read-only.
Additionally, it could be nice if #break could be used to immediately jump out of the current loop (either #while or #for).
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66 | Texture/Material/Finish | Feature Request | 3.62 | Defer | Low | checker and cells pattern are slightly off-center | Closed | |
|
Task Description
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”.
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58 | Parser/SDL | Unimp. Feature/TODO | 3.70 beta 32 | Defer | Low | allow SDL code to detect optional features | Tracked on GitHub | |
|
Task Description
Some features are optional in custom builds of POV-Ray (I’m thinking about OpenEXR in particular); it would be nice to have a syntax for an SDL script to check for support of such features, so it may take some fallback action if the feature is not supported.
|
|
30 | Parser/SDL | Feature Request | Not applicable | Defer | Very Low | Custom progress information during parsing | Closed | |
|
Task Description
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”.
|
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25 | Animation | Definite Bug | 3.70 beta 32 | Defer | Low | Pause sometimes fails when rendering animation | Tracked on GitHub | |
|
Task Description
There is an issue where the pause button in POVWIN will sometimes not work during an animation (primarily where the frame rate is high), and furthermore, POVWIN can then get into a state where it’s not possible to use the pause until it is re-started.
Newsgroup report.
|
|
8 | Radiosity | Unimp. Feature/TODO | 3.70 beta 32 | Defer | Low | Improve Radiosity "Cross-Talk" Rejection in Corners | Tracked on GitHub | |
Future release |
Task Description
Near concave edges, radiosity samples may be re-used at a longer distance away from the edge than towards the edge; there is code in place to ensure this, but it only works properly where two surfaces meet roughly rectangularly, while failing near the junction of three surfaces or non-rectangular edges, potentially causing “cross-talk”.
It should be investigated how the algorithm can be improved or replaced to better cope with non-trivial geometry.
|
|
6 | Subsurface Scattering | Unimp. Feature/TODO | 3.70 beta 32 | Defer | Low | Integrate Subsurface Scattering with Photons | Tracked on GitHub | |
Future release |
Task Description
Subsurface scattering must be made photon-aware.
|
|
336 | Parser/SDL | Definite Bug | 3.70 release | Very Low | Low | #fopen w/o OPEN_TYPE crash povray (segfault) | Closed | |
3.71 release |
Task Description
#fopen directive w/o OPEN_TYPE (yeah, I forgot it, some other languages have ‘read’ as default value)
expected behavior: Parse error msg “line XXX, OPEN_TYPE missing in #fopen directive”, then stop.
observed behavior: crash - Segfault err (core dump) in Parsing stage
minimal working example attached
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335 | Parser/SDL | Possible Bug | 3.70 release | Very Low | Low | macro works in variable but not in array | Tracked on GitHub | |
|
Task Description
This doesn’t work:
#declare pavement_object = array[2] {
object {trash_can_macro() scale 3/4 translate -x * 1/2},
object {potted_plant_macro(_CT_rand2) scale 3/4 scale 3/2 translate -x * 1/2}
}
This does work:
#declare trash_can_object = object {trash_can_macro()}; #declare potted_plant_object = object {potted_plant_macro(_CT_rand2)}; #declare pavement_object = array[2] {
object {trash_can_object scale 3/4 translate -x * 1/2},
object {potted_plant_object scale 3/4 scale 3/2 translate -x * 1/2}
}
Logically, I cannot see a reason for this to be so.
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334 | Texture/Material/Finish | Feature Request | 3.70 release | Very Low | Low | HLS colors | Tracked on GitHub | |
|
Task Description
It would be nice to be able to specify colors in HLS as well as RGB.
Currently, you can use a macor to convert individual colors. But this does not work in color_maps where you want smooth gradations/interpolations between two or several colors.
|
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333 | User interface | Feature Request | 3.70 release | Very Low | Low | Make text in "about" alt+b dialog selectable with the m... | Tracked on GitHub | |
|
Task Description
When you press alt+b or access the “about” dialog in the Help menu it displays some text including software version number and list of contributors.
It would be nice to be able to select and copy this text using this mouse. Sometimes in the newsgroup I have to tell people what version of POVray I am using, and typing the version number can be a pain.
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332 | User interface | Feature Request | 3.70 release | Very Low | Low | Progress animation in taskbar tabs | Closed | |
|
Task Description
On Windows 7 and newer operating systems, some programs are able to display their progress in the taskbar buttons.
Here is an example of Chrome downloading something and showing the progress in the taskbar:
http://www.winbeta.org/sites/default/files/news/oldfashinoned.jpg
Here is an example with Paint.NET instead:
http://www.getpaint.net/images/pdn351_superbarProgress.png
I think this feature would use fewer CPU resources than a) minimizing/maximizing the whole application window each time you want to check progress, or b) hovering the mouse over the taskbar button to show the thumbnails.
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331 | Geometric Primitives | Definite Bug | 3.70 release | Very Low | Medium | Intersection causes quadric to disappear | Closed | |
|
Task Description
The following paraboloid renders correctly:
intersection
{ quadric { <1, 0, 1>, <0, 0, 0>, <0, 1, 0>, -1 }
cylinder { 0, y, 1 }
}
However, when I extend the clipping cylinder downward:
intersection
{ quadric { <1, 0, 1>, <0, 0, 0>, <0, 1, 0>, -1 }
cylinder { -y, y, 1 }
}
the object disappears completely in POV-Ray 3.7 and 3.7.1. In POV-Ray 3.6.1, it renders as expected.
POV-Ray 3.7.0.unofficial (self-compiled with g++ 4.8, but completely unaltered) POV-Ray 3.7.1-alpha.8150025.unofficial openSUSE 13.2 GNU/Linux
This scene file illustrates the problem:
// +w480 +h240
#version 3.6; //[sic]
global_settings { assumed_gamma 1 }
camera
{ location <0, 1, -7.5958>
look_at <0, 1, 0>
right 2 * x
up y
angle 43.1038
}
#default { finish { diffuse 0.6 ambient rgb 0.15618 } }
light_source
{ <-4.3125, 9.6250, -7.4695>,
rgb 6856.3
fade_power 2 fade_distance 0.10417
spotlight point_at <0, 1, 0> radius 45 falloff 90
}
box
{ -<9, 11, 9>, <9, 11, 9>
pigment { rgb 1 }
}
plane
{ y, 0
pigment { checker rgb 0.05 rgb 1 }
}
intersection
{ quadric { <1, 0, 1>, <0, 0, 0>, <0, 1, 0>, -1 }
cylinder { 0, y, 1 }
pigment { green 0.5 }
translate <-1.25, 1, 0>
}
intersection
{ quadric { <1, 0, 1>, <0, 0, 0>, <0, 1, 0>, -1 }
cylinder { -y, y, 1 }
pigment { green 0.5 }
translate <1.25, 1, 0>
}
On the right side, there should have been a cylinder capped with a paraboloid. A thread has been started in povray.bugreports. Jerome has started to look at it.
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330 | Platform-specific | Definite Bug | 3.70 release | Very Low | Low | Typo in QUICKRES.INI | Closed | |
|
Task Description
Height=36084
[640×360, AA 0.3] Width=640 Height=36084 Antialias=On Antialias_Threshold=0.3
should be:
[640×360, AA 0.3] Width=640 Height=360 Antialias=On Antialias_Threshold=0.3
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329 | Documentation | Possible Bug | 3.70 release | Very Low | Low | Mesh_camera type 0 output seems | Closed | |
|
Task Description
When using mesh_camera type ‘0’
The first line of the mesh output seems to be repeated resulting in incorrect light colour values.
If the first line of the texture is skipped then the values seem to be correct.
|
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328 | User interface | Definite Bug | 3.70 release | Very Low | Medium | Ascii char '=' in filenames causes command line parsing... | Tracked on GitHub | |
|
Task Description
The following command fails with parsing error: povray +OqXfFbD0Vg5XjZgi5sOefkvdF_oCGrZ1ChVhrQw==.png +IqXfFbD0Vg5XjZgi5sOefkvdF_oCGrZ1ChVhrQw==.pov +W1000 +H1000
The following command succeeds: povray +OqXfFbD0Vg5XjZgi5sOefkvdF_oCGrZ1ChVhrQw.png +IqXfFbD0Vg5XjZgi5sOefkvdF_oCGrZ1ChVhrQw.pov +W1000 +H1000
Any option that gets a filename as parameter will fail if it contains ‘=’.
It is a regression, as it worked fine with 3.6.
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327 | Parser/SDL | Feature Request | 3.70 release | Very Low | Low | Support for non-ASCII characters in filename strings | Tracked on GitHub | |
|
Task Description
pov 3.7 Can not identify the Chinese.I give the texture map filename in chinese,it turns out parse error.
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326 | Other | Definite Bug | 3.70 release | Very Low | Low | restricted setting ignored in 3.7 | Tracked on GitHub | |
|
Task Description
Due to a typo in the conf file parser (introduced, I think, in refactoring after 3.6), the restricted setting is ignored, and access checks aren’t performed.
Fixing this reveals some other issues:
%INSTALLDIR%/../../etc is incompletely canonicalized to /usr/local/share/../etc , not /usr/local/etc
read+write paths are added to the read list only, so writing is impossible
See attached patch.
Relatedly, I think it would be nice to add a new replacement token %CONFDIR% instead of %INSTALLDIR%/../../etc .
Also, there’s a realpath function that could simplify path handling, though I’m not sure if it’s available on all platforms.
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325 | Subsurface Scattering | Possible Bug | 3.70 release | Very Low | Medium | SSLT Glow issue with radiosity | Closed | |
|
Task Description
Hi,
I think I may have found a bug in the subsurface/radiosity features of Povray 3.7 attached image showing the issue and sample files required to reproduce. The original files (on povray forum images thread) had different radiosity settings but these ones show the problem and only take a few seconds to render the image without AA so probably better for bug fixing/testing etc.
Thanks
Sean
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324 | Geometric Primitives | Definite Bug | 3.70 release | Very Low | High | 3.7 mesh2 rendering artifact, regression from 3.6 | Tracked on GitHub | |
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Task Description
Povray 3.7 has rendering artifact in meshes with polygons that meet at shallow angles. Please see the attached file.
The part of concern is the mesh2, which produces the partly-transparent faces of a shallow pyramid. The file result-3_6.png shows the output of povray-3.6, and the file result-3_7.png shows the output of povray-3.7. In 3.7, you can see a thin light-colored margin all around the base of the pyramid, especially thick under the top cylinder. In 3.6, this artifact is absent. For comparison purposes, I have inserted a “#version 3.6;” directive at the top of the file so that the output images are as close to each other as possible. However, the artifact is still present in 3.7 without this directive.
The attached scene file is only a small part of a much larger scene, where this artifact shows up in numerous very obvious places, where it doesn’t in 3.6. I have hunted in the documentation and online for ways to solve this problem, but haven’t found anything. Because of this, I am forced to stay with 3.6 for production use, which is quite unfortunate since I’d like to take advantage of the new features of 3.7.
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323 | User interface | Possible Bug | 3.70 release | Very Low | Very Low | Tooltip for render speed status bar has wrong unit | Tracked on GitHub | |
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Task Description
Tooltip popup for render speed always displays as “Pixels per Second” rather than matching status bar. I’ve noticed it in 3 renders so far. Most of my renders are fast enough not to see any other unit besides PPS, but I should be able to reproduce again if necessary.
|
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322 | Configure/Build | Definite Bug | 3.70 release | Very Low | Medium | ubuntu 14.04, boost 1.54, can not configure | Closed | |
|
Task Description
can not run POV-Ray on ubuntu 14.04, boost 1.54,
./configure COMPILED_BY=”Dmitry <my>”
...
Libraries
---------
checking whether to link with cygwin DLL... no
checking whether to enable static linking... no
checking for the pthreads library -lpthreads... no
checking whether pthreads work without any flags... no
checking whether pthreads work with -Kthread... no
checking whether pthreads work with -kthread... no
checking for the pthreads library -llthread... no
checking whether pthreads work with -pthread... yes
checking for joinable pthread attribute... PTHREAD_CREATE_JOINABLE
checking if more special flags are required for pthreads... no
checking for boostlib >= 1.37... yes
checking whether the Boost::Thread library is available... yes
checking whether the boost thread library is usable... no
configure: error: in `/home/di/workspace2/povray-3.7-stable':
configure: error: cannot link with the boost thread library
log in attach file
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321 | Other | Definite Bug | 3.70 release | Very Low | Low | bounding threshold inconsistency | Tracked on GitHub | |
|
Task Description
User reported documentation inconsistency. Investigation led to the discovery of a bug in the setting of the current default value.
~source/frontend/renderfrontend.cpp reports the value “3” while ~source/backend/scene/scene.cpp sets a default value of “1”
Before for addressing this issue, are there any thoughts as to what the default value should be?
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320 | Animation | Definite Bug | 3.70 release | Very Low | High | Failed Assertion in image/image.cpp | Closed | |
|
Task Description
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
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0x7fff90c89000 - 0x7fff90c9cff7 libCRFSuite.dylib (??? - ???) <0B76941F-218E-30C8-B6DE-E15919F8DBEB> /usr/lib/libCRFSuite.dylib
0x7fff90c9d000 - 0x7fff90cdfff7 libcommonCrypto.dylib (55010.0.0 - compatibility 1.0.0) <BB770C22-8C57-365A-8716-4A3C36AE7BFB> /usr/lib/system/libcommonCrypto.dylib
0x7fff90cfd000 - 0x7fff90d04fff libGFXShared.dylib (??? - ???) <D3598924-B167-372E-8C9F-1BBF68852542> /System/Library/Frameworks/OpenGL.framework/Versions/A/Libraries/libGFXShared.dylib
0x7fff90d05000 - 0x7fff90d05fff com.apple.audio.units.AudioUnit (1.7.3 - 1.7.3) <04C10813-CCE5-3333-8C72-E8E35E417B3B> /System/Library/Frameworks/AudioUnit.framework/Versions/A/AudioUnit
0x7fff90d06000 - 0x7fff90d79fff libstdc++.6.dylib (52.0.0 - compatibility 7.0.0) <6BDD43E4-A4B1-379E-9ED5-8C713653DFF2> /usr/lib/libstdc++.6.dylib
0x7fff90d7a000 - 0x7fff90d7afff libkeymgr.dylib (23.0.0 - compatibility 1.0.0) <61EFED6A-A407-301E-B454-CD18314F0075> /usr/lib/system/libkeymgr.dylib
0x7fff90da4000 - 0x7fff90dbaff7 com.apple.ImageCapture (7.1.0 - 7.1.0) <1AD40E02-2126-377B-A0D2-CBB21D932558> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/ImageCapture.framework/Versions/A/ImageCapture
0x7fff90ebd000 - 0x7fff90ed1ff7 com.apple.LangAnalysis (1.7.0 - 1.7.0) <04C31EF0-912A-3004-A08F-CEC27030E0B2> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/LangAnalysis.framework/Versions/A/LangAnalysis
0x7fff90ed2000 - 0x7fff90f3aff7 com.apple.coreui (1.2.2 - 165.11) <9316266A-39CA-3EC7-9C9E-726462CEFF4D> /System/Library/PrivateFrameworks/CoreUI.framework/Versions/A/CoreUI
0x7fff90f3b000 - 0x7fff90f58fff libxpc.dylib (77.19.0 - compatibility 1.0.0) <9F57891B-D7EF-3050-BEDD-21E7C6668248> /usr/lib/system/libxpc.dylib
0x7fff90f59000 - 0x7fff90f85ff7 com.apple.CoreServicesInternal (113.19 - 113.19) <74532B3B-EDE0-3553-9BED-F02B9CDF1FF7> /System/Library/PrivateFrameworks/CoreServicesInternal.framework/Versions/A/CoreServicesInternal
0x7fff90f86000 - 0x7fff90f98ff7 libz.1.dylib (1.2.5 - compatibility 1.0.0) <30CBEF15-4978-3DED-8629-7109880A19D4> /usr/lib/libz.1.dylib
0x7fff90fc4000 - 0x7fff90fd9fff com.apple.speech.synthesis.framework (4.0.74 - 4.0.74) <C061ECBB-7061-3A43-8A18-90633F943295> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/SpeechSynthesis.framework/Versions/A/SpeechSynthesis
0x7fff90fda000 - 0x7fff90fdcff7 com.apple.print.framework.Print (7.4 - 247.3) <626C58D5-2841-3329-8C32-9F4A8353F3E7> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Print.framework/Versions/A/Print
0x7fff91023000 - 0x7fff91107ff7 com.apple.CoreServices.OSServices (478.50 - 478.50) <3D6AA4EF-C601-36C7-8F3A-A00964F01759> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/OSServices.framework/Versions/A/OSServices
0x7fff91108000 - 0x7fff911a2ff7 com.apple.SearchKit (1.4.0 - 1.4.0) <4E70C394-773E-3A4B-A93C-59A88ABA9509> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/SearchKit.framework/Versions/A/SearchKit
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0x7fff912ad000 - 0x7fff913a2fff libiconv.2.dylib (7.0.0 - compatibility 7.0.0) <5C40E880-0706-378F-B864-3C2BD922D926> /usr/lib/libiconv.2.dylib
0x7fff913a3000 - 0x7fff913a8fff com.apple.OpenDirectory (10.7 - 146) <7960A302-F9AC-3F72-838E-3A382032DCA6> /System/Library/Frameworks/OpenDirectory.framework/Versions/A/OpenDirectory
0x7fff913a9000 - 0x7fff913a9fff libOpenScriptingUtil.dylib (??? - ???) <A7847713-F410-39C0-884F-A7188A18E742> /usr/lib/libOpenScriptingUtil.dylib
0x7fff9146a000 - 0x7fff914d5ff7 com.apple.framework.IOKit (2.0 - ???) <FE838BB6-D42E-3291-A1A0-6F53FC970261> /System/Library/Frameworks/IOKit.framework/Versions/A/IOKit
0x7fff914e4000 - 0x7fff914e9fff libGIF.dylib (??? - ???) <58A4492D-AAE7-3B8F-8B06-62867471A3EE> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libGIF.dylib
0x7fff914ea000 - 0x7fff91513fff libJPEG.dylib (??? - ???) <64D079F9-256A-323B-A837-84628B172F21> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/ImageIO.framework/Versions/A/Resources/libJPEG.dylib
0x7fff91868000 - 0x7fff9186cfff libmathCommon.A.dylib (2026.0.0 - compatibility 1.0.0) <FF83AFF7-42B2-306E-90AF-D539C51A4542> /usr/lib/system/libmathCommon.A.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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0x7fff91ff2000 - 0x7fff91ff5fff com.apple.help (1.3.2 - 42) <BF14DE49-F7E8-336F-81FB-BBDF2DB3AC09> /System/Library/Frameworks/Carbon.framework/Versions/A/Frameworks/Help.framework/Versions/A/Help
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
0x7fff928d8000 - 0x7fff92933ff7 com.apple.opencl (2.0.19 - 2.0.19) <B05BF605-73B8-328F-A228-6FA59E1FC73A> /System/Library/Frameworks/OpenCL.framework/Versions/A/OpenCL
0x7fff92934000 - 0x7fff9296efe7 com.apple.DebugSymbols (2.1 - 87) <ED2B177C-4146-3715-91DF-D99A8ED5449A> /System/Library/PrivateFrameworks/DebugSymbols.framework/Versions/A/DebugSymbols
0x7fff9296f000 - 0x7fff929e5ff7 libc++.1.dylib (28.4.0 - compatibility 1.0.0) <A24FC3DA-4FFA-3DD2-9DCC-2B8D1B3BF97C> /usr/lib/libc++.1.dylib
0x7fff92a0f000 - 0x7fff92a1cfff libCSync.A.dylib (600.0.0 - compatibility 64.0.0) <72C53E7B-C222-3BE5-9984-FDC328CC4846> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/Resources/libCSync.A.dylib
0x7fff92a1d000 - 0x7fff92a71ff7 com.apple.ScalableUserInterface (1.0 - 1) <33563775-C662-313D-B7FA-3D575A9F3D41> /System/Library/Frameworks/QuartzCore.framework/Versions/A/Frameworks/ScalableUserInterface.framework/Versions/A/ScalableUserInterface
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
0x7fff9402e000 - 0x7fff949cca27 com.apple.CoreGraphics (1.600.0 - ???) <576777EA-921B-3D94-98C3-40A9CF8EBD18> /System/Library/Frameworks/ApplicationServices.framework/Versions/A/Frameworks/CoreGraphics.framework/Versions/A/CoreGraphics
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
0x7fff95648000 - 0x7fff956cbfef com.apple.Metadata (10.7.0 - 627.37) <B9BEB598-B6F2-3BFF-A8F3-C3C87CD076AB> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/Metadata.framework/Versions/A/Metadata
0x7fff956cc000 - 0x7fff956d1fff libcache.dylib (47.0.0 - compatibility 1.0.0) <1571C3AB-BCB2-38CD-B3B2-C5FC3F927C6A> /usr/lib/system/libcache.dylib
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
0x7fff95802000 - 0x7fff95b1efff com.apple.CoreServices.CarbonCore (960.25 - 960.25) <4FC1AB30-022C-3C67-AC46-FDCBFCB7EEDE> /System/Library/Frameworks/CoreServices.framework/Versions/A/Frameworks/CarbonCore.framework/Versions/A/CarbonCore
0x7fff9611d000 - 0x7fff9611dfff com.apple.Cocoa (6.6 - ???) <7EC4D759-B2A6-3A99-AC75-809FED1500C6> /System/Library/Frameworks/Cocoa.framework/Versions/A/Cocoa
0x7fff9611e000 - 0x7fff9613efff libsystem_kernel.dylib (1699.32.7 - compatibility 1.0.0) <66C9F9BD-C7B3-30D4-B1A0-03C8A6392351> /usr/lib/system/libsystem_kernel.dylib
0x7fff9632c000 - 0x7fff963cefff com.apple.securityfoundation (5.0 - 55116) <70CDC3ED-39AA-3784-8715-F0F5E2CB9754> /System/Library/Frameworks/SecurityFoundation.framework/Versions/A/SecurityFoundation
0x7fff963cf000 - 0x7fff963daff7 libc++abi.dylib (14.0.0 - compatibility 1.0.0) <8FF3D766-D678-36F6-84AC-423C878E6D14> /usr/lib/libc++abi.dylib
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
CG backing stores 164K CG shared images 3416K CoreGraphics 16K CoreServices 2588K MALLOC 45.0M MALLOC guard page 48K Memory tag=242 12K STACK GUARD 24K Stack 66.5M VM_ALLOCATE 16.1M CI_BITMAP 80K DATA 13.0M IMAGE 528K LINKEDIT 51.1M TEXT 100.9M UNICODE 544K mapped file 32.3M shared memory 308K
TOTAL 332.6M
Model: MacBookAir3,1, BootROM MBA31.0061.B07, 2 processors, Intel Core 2 Duo, 1.4 GHz, 4 GB, SMC 1.67f10 Graphics: NVIDIA GeForce 320M, NVIDIA GeForce 320M, PCI, 256 MB Memory Module: BANK 0/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54333235533642465238412D47372020 Memory Module: BANK 1/DIMM0, 2 GB, DDR3, 1067 MHz, 0x80AD, 0x484D54333235533642465238412D47372020 AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xD1), Broadcom BCM43xx 1.0 (5.106.198.19.22) Bluetooth: Version 4.0.8f17, 2 service, 11 devices, 1 incoming serial ports Network Service: AirPort, AirPort, en0 Serial ATA Device: APPLE SSD TS128C, 121,33 GB USB Device: FaceTime Camera (Built-in), apple_vendor_id, 0x850a, 0×24600000 / 2 USB Device: BRCM2070 Hub, 0x0a5c (Broadcom Corp.), 0×4500, 0×04500000 / 3 USB Device: Bluetooth USB Host Controller, apple_vendor_id, 0x821b, 0×04530000 / 5 USB Device: Apple Internal Keyboard / Trackpad, apple_vendor_id, 0×0243, 0×04300000 / 2
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319 | Texture/Material/Finish | Feature Request | 3.70 release | Very Low | Low | Add interior to #default directive | Tracked on GitHub | |
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Task Description
When working with predefined materials, it would be useful to have something like:
#if (!Use_photons)
#default { interior { caustics 1 } }
#end
#include "my_predefined_materials.inc"
Default medias or IORs could also be useful.
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318 | Texture/Material/Finish | Definite Bug | 3.70 release | Very Low | Low | method 3 (default) scattering media is too bright & cau ... | Closed | |
3.71 release |
Task Description
The following scene demonstrates how media sampling method 3 gives inaccurate results with scattering media.
The scene shows four spheres with uniform media, using (left to right) sampling methods 1, 2 and 3 with default settings, and sampling method 3 with high minimum sample count, respectively.
Note how changing the sample count significantly affects the result, despite the media being uniform.
Code analysis shows that the root cause is an underestimation of the extinction effect on the light scattered by the media, corresponding in order of magnitude to half the distance between mandatory samples (as defined by minimum sample count).
The effect also leads to visible artifacts when nesting hollow objects inside the media, as can be demonstrated by un-commenting the four smaller spheres.
#version 3.7;
camera {
perspective angle 25
location <0.0 , 0.0 ,-20.0>
right x*image_width/image_height
look_at <0.0 , 0.0 , 0.0>
}
light_source {
<0,3000,-3000> color rgb 1
}
background { color rgb 0.5 }
plane {
<0,1,0>, -1
texture { pigment { checker color rgb<1,1,1>*1.2 color rgb<0.25,0.15,0.1>*0 } }
}
#declare T_Transparent = texture {
pigment { color rgbt <1,1,1,1> } finish { diffuse 1 }
}
sphere { <-3,0,0>, 1.00
texture { T_Transparent }
hollow
interior {
media {
scattering { 1 color rgb 2 extinction 1 }
method 1
}
}
}
sphere { <-1,0,0>, 1.00
texture { T_Transparent }
hollow
interior {
media {
scattering { 1 color rgb 2 extinction 1 }
method 2
}
}
}
sphere { <1,0,0>, 1.00
texture { T_Transparent }
hollow
interior {
media {
scattering { 1 color rgb 2 extinction 1 }
method 3
}
}
}
sphere { <3,0,0>, 1.00
texture { T_Transparent }
hollow
interior {
media {
scattering { 1 color rgb 2 extinction 1 }
method 3
samples 100
}
}
}
/*
sphere { <-3,0,0>,0.8 texture { T_Transparent } hollow }
sphere { <-1,0,0>,0.8 texture { T_Transparent } hollow }
sphere { < 1,0,0>,0.8 texture { T_Transparent } hollow }
sphere { < 3,0,0>,0.8 texture { T_Transparent } hollow }
*/
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317 | Preview | Definite Bug | 3.70 release | Very Low | High | problem with +D option at specific output file dimensio ... | Closed | |
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Task Description
Reported in p.beta-test by James Dietrich (2013-12-12)
when the display window must be scaled (because one or both dimensions are larger than the actual screen), the ratio of scale might be too large in some occasion, performing a memory corruption in two places and usually crashing povray.
How to reproduce, with a 1920×1080 display (or 1920×1200):
povray +W2596 +H1003 +Ispiral.pov +Ospiral.png +D
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