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IDProjectCategoryTask TypeReported InPrioritySeveritySummary  ascStatusProgressDue Date
319POV-RayTexture/Material/FinishFeature Request3.70 releaseVery LowLowAdd interior to #default directiveTracked on GitHub
0%
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.

 297 POV-RayOtherFeature Request3.70 RC7Very LowLow Have a user-definable epsilon Closed
100%
Task Description

There are times when scaling an entire scene up or down is difficult or just not feasible.

One suggestion is a global_settings option.

Also, I’ve noticed that in some situations, such as interactions between certain transparent objects, the epsilon seems to kick in quite early. Perhaps there could be situational or contextual epsilons, such as the “tolerance” of sphere_sweep or the “accuracy” of isosurface.

 331 POV-RayGeometric PrimitivesDefinite Bug3.70 releaseVery LowMedium Intersection causes quadric to disappear Closed
100%
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.

 236 POV-RayAnimationPossible Bug3.70 RC3Very LowMedium Segmentation fault with animation of large image Closed
100%
Task Description

If the image is more than 1270 pixels wide or more than 720 pixels high, animation fails with a segmentation fault during the second rendered frame. This happens after parsing is complete and the .pov-state file is created. The last message line is the “[Rendering...]” line. (There is also a separate, but possibly related, issue that the output display does not work for these renders.)

On one occasion, POV-Ray hung, and I had to ctrl-Z kill -9 out of it.

On another occasion, instead of the segmentation fault, I got the message:

povray: xcb_io.c:140: dequeue_pending_request: Assertion `req == dpy->xcb->pending_requests' failed.
Aborted

There is no crash when -D is used.

I have not run an animation this large in Windows, so I don’t know if it’s a problem there.

Neither problem occurs in POV-Ray 3.6.1.

I used the following source code:

global_settings { assumed_gamma 1 }
light_source { <-1, 1, -1> * 1000, rgb 1 }
sphere { 2.5 * z, 1 pigment { red 1 } }

Platform

Operating system: openSUSE Linux 12.1
Hardware: HP Pavilion dv5030us Notebook PC (32 bits)
RAM: 1GB
Displays: 1280×800 built-in panel; 1680×1050 HP w2007 external monitor

Libraries

Boost 1.48.0 (Note: bzip2 and python dependent modules did not compile, and MPI support does not work.)
Zlib 1.2.5 (LibXML 2.7.8)
LibPNG 1.5.7
LibJPEG IJG 8d
LibTIFF 3.8.2
OpenEXR 1.6.1 (IlmBase 1.0.1)
SDL unknown

 247 POV-RayOtherFeature Request3.70 RC6Very LowLow Set no_radiosity in Screen_Object() Closed
100%
Task Description

Suggestion:

In file screen.inc, have macro Screen_Object() set no_radiosity on the object.

 234 POV-RayFrontendDefinite Bug3.70 RC3Very LowLow The +GD flag does not work Closed
100%
Task Description

The +GD flag gives me an “Invalid parameter” error, whether on the command line or in a .ini file.

Debug_File= still works.

I reported this in povray.beta-test, but did not receive a response.

The problem occurs in both Windows 7 and in Linux.

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