The Persistence of Vision Raytracer (POV-Ray).

This is the legacy Bug Tracking System for the POV-Ray project. Bugs listed here are being migrated to our github issue tracker. Please refer to that for new reports or updates to existing ones on this system.

IDCategoryTask TypeReported InPrioritySeveritySummaryStatusProgressDue In Version  asc
60Geometric PrimitivesDefinite Bug3.70 beta 34Very LowMediumArtifacts using prism in CSGTracked on GitHub
Future release Task Description

Using prisms in intersecion or difference CSG objects may cause artifacts in POV-Ray 3.6.2 as well as 3.7.0.beta.34, as demonstrated by the following code:

camera {
  right    -x
  up        y*image_height/image_width
  location  <-24,19,12>
  look_at   <0,0,0>

light_source { <100,200,100> color rgb 1 }

plane { y, -2 pigment { color rgb 1 } }

#declare KeyValue = 1.366; // pick any you like

difference {
  prism {
    linear_sweep -0.5,0.5, 4
  intersection {
    cylinder { <-7,-0.51,1>, <-7, 0.51,1>, 4.0 }
    plane { z, KeyValue }
  pigment { color rgb 0.5 } 

Apparently the surface of the other object becomes visible when it exactly coincides with a vertex of the prism; probably there is a failure of the inside() test for such values.

75Geometric PrimitivesUnimp. Feature/TODO3.70 beta 34Very LowMediumReplace POV_MALLOC with std::vector in shape codeTracked on GitHub
Future release Task Description

In the files bezier.cpp, fpmetric.cpp, fractal.cpp, hfield.cpp, isosurf.cpp, lathe.cpp, poly.cpp, polygon.cpp, prism.cpp, sor.cpp, and sphsweep.cpp the use of POV_MALLOC can be replaced by std::vector quite easily because the containing class already is a C++ class. As this is a low hanging fruit for continued code cleanup, it should be done sooner rather than later.

98Refactoring/CleanupUnimp. Feature/TODO3.70 beta 36DeferMediumRefactor Windows UI code for Unicode supportTracked 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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