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GeomUtils::intersect2dSeg2dSegParametric().
It is double-checked that this is not a bug :)
This fix was suggested as part of the patch set committed in revision 53887, thanks again Bastien!
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(from gcc 4.7),
mostly by commenting out unused variables, or using the BLI's SET_UINT_IN_POINTER macro.
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on the console during Freestyle rendering. The debug prints are turned off
by default now. Errors are still printed on the console.
A patch set implementing this functionality was provided by Bastien Montagne.
Many thanks! :)
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Reported by Bastien Montagne, thanks!
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Patch contribution by Bastien Montagne, thanks!
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The value is used as a seed for random number generation if it is equal to
or greater than zero; otherwise, time is used as a seed.
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* View map calculation has been intensively optimized for speed by
means of:
1) new spatial grid data structures (SphericalGrid for perspective
cameras and BoxGrid for orthographic cameras; automatically switched
based on the camera type);
2) a heuristic grid density calculation algorithm; and
3) new line visibility computation algorithms: A "traditional"
algorithm for emulating old visibility algorithms, and a "cumulative"
algorithm for improved, more consistent line visibility, both exploiting
the new spatial grid data structures for fast ray casting.
A new option "Raycasting Algorithm" was added to allow users to choose
a ray casting (line visibility) algorithm. Available choices are:
- Normal Ray Casting
- Fast Ray Casting
- Very Fast Ray Casting
- Culled Traditional Visibility Detection
- Unculled Traditional Visibility Detection
- Culled Cumulative Visibility Detection
- Unculled Cumulative Visibility Detection
The first three algorithms are those available in the original
Freestyle (the "normal" ray casting was used unconditionally, though).
The "fast" and "very fast" ray casting algorithms achieve a faster
calculation at the cost of less visibility accuracy.
The last four are newly introduced optimized options. The culled
versions of the new algorithms will exclude from visibility
calculation those faces that lay outside the camera, which leads to a
faster view map construction. The unculled counterparts will take all
faces into account. The unculled visibility algorithms are useful
when culling affects stroke chaining.
The recommended options for users are the culled/unculled cumulative
visibility algorithms. These options are meant to replace the old
algorithms in the future.
Performance improvements over the old algorithms depend on the scenes
to be rendered.
* Silhouette detection has also been considerably optimized for speed.
Performance gains by this optimization do not depend on scenes.
* Improper handling of error conditions in the view map construction
was fixed.
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Made an attempt to fix "2D intersection out of range" warnings.
These warnings may cause "3D intersection out of range" warnings,
which often lead to a crash.
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GeomUtils::intersect2dSeg2dSegParametric() was not properly tested.
Now two collinear line segments are not considered an intersection.
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end of a file.
* Fixed compiler warnings due to an invalid argument to PyList_New().
NULL was used instead of 0 to create an empty list.
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The main contribution of this commit is the possibility to save Freestyle configuration information inside .blend files. It required an extensive refactoring of the previous interface code.
The code has been tested and does not crash on my machine. If you encounter issues, please let me know (and if possible, sending me an sample .blend file).
DETAILS:
- refactored code to notify Freestyle when adding/removing render layers (FRS_freestyle_config.{h,cpp})
- corrected the freeing of style modules when files are read from / written to disk
- moved Freestyle configuration information into scene renderlayers, to allow loading / saving .blend files (DNA_scene_types.h DNA_freestyle_types.h FRS_freestyle.cpp)
- inserted temporary trick to prevent crashes when orthographic camera is used (SilhouetteGeomEngine.cpp), but outputting incorrect feature line calculations
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IMPORTANT: The setters functions' names were normalized due to constant confusion regarding capitalization. All the function names start with set... instead of Set.... This convention was changed all throughout Freestyle. To use Freestyle as an external renderer, the SWIG library MUST be regenerated.
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QImage dependencies. Up to this commit, the following directories compile well (and without any warning): system, image, geometry, graph, winged_edge, view_map, stroke.
Modified code is commented by //soc and unused variables by //soc unused
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source/blender/freestyle
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