1) Flipped the order of "discover_vertical_shells" and "process_external_surfaces",
now the external surfaces are expanded after "discover_vertical_shells"
aka "ensure vertical wall thickness" is solved.
2) Reworked LayerRegion::process_external_surfaces() to only expand into
"ensure vertical wall thickness" regions, also the expansion is done
in small steps to avoid overflowing into neighbor regions.
also:
Utility functions reserve_more(), reserve_power_of_2(), reserve_more_power_of_2()
Various SurfaceCollecion::filter_xxx() modified to accept an initializer list of surface types.
New bridges detector refactored to accept overhang boundaries.
BoundingBoxWrapper was moved from RetractCrossingPerimeters to AABBTreeIndirect.
1) New region expansion code to propagate wave from a boundary
of a region inside of it.
2) get_extents() extended with a template attribute to work with
zero area data sets.
3) ClipperZUtils.hpp for handling Clipper operation with Z coordinate
(for source contour identification)
Fixes Slicing slows or hangs on "Generating Permiters 20%" cpu load is at 100% #8164
Fixes Slicing hangs on generating perimeters with thing:3565827 (30g) #3259
with int64s instead of doubles.
Polygon / ExPolygon: contains() reworked to use ClipperLib::PointInPolygon().
The Slic3r own implementation was not robust.
Fixed test_perimeters after recent refactoring (sorting of extrusions
into LayerIslands)
New step - estimation of curling on both the model and the support extrusions.
Improvements in curled filament estimation algortihm
Implementation of Jump Point Search algorithm
Use of JPS algorithm to avoid curled extrusions during travel moves in Gcode export
of Layer->LayerSlice->LayerIsland hierarchy. This should improve
tool path ordering of multiple parts within the same object #5511.
Some shells tests rewritten from Perl to C++.
FIXME: Gap fill extrusions are currently not handled by the initial
G-code preview!
Refactored PerimeterGenerator for functional style, better constness
with the goal of calling PerimeterGenerator::process_xxx()
for each surface at once to collect its fill expolygons.
into a graph with links to the layer above / below.
In addition:
Members of LayerRegion were made private, public interface const only.
this->m_xxx replaced with just m_xxx
SurfacesPtr was made a vector of const pointers.
https://github.com/tcbrindle/span
Replacing a homebrew const pointer wrapper const correctness helper
with the C++20 like span library.
One day when we switch to C++20 we will just use the C++20 spans instead.
That allows computed better values in cases when the extrusion width of the first layer or for the infill differs from the extrusion width for perimeters.
Parameters min_feature_size and wall_transition_length now can be set in percentages, and then they will be calculated based on nozzle size. Old profiles with default values are forced to replace old default values with new default values in percentages.
Try to increase number of rays in Beam to prevent colisions
Put back threshold for intersections with model in sla tree tests
Increase safety distance for branching tree instead of increasing rays
This is the follow-up to 63c66f4f18. Detection of non-planar (degenerated) Voronoi diagrams was rewritten to check if all neighboring edges of the Voronoi vertex are CCW ordered.
../src/libslic3r/CutSurface.cpp:1798:12: warning: variable 'is_same' set but not used [-Wunused-but-set-variable]
../src/libslic3r/CutSurface.cpp:1837:12: warning: unused variable 'distance_sq' [-Wunused-variable]
../src/libslic3r/CutSurface.cpp:2795:22: warning: unused variable 'def_value' [-Wunused-variable]
../tests/libslic3r/test_aabbindirect.cpp:122:12: warning: variable 'distance_sq' set but not used [-Wunused-but-set-variable]
../src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp:1336:17: warning: unused variable 'was_opened' [-Wunused-variable]
../src/slic3r/GUI/Gizmos/GLGizmoEmboss.cpp:1336:17: warning: 'was_opened' defined but not used [-Wunused-variable]
../src/slic3r/GUI/Jobs/EmbossJob.cpp:398:12: warning: unused variable 'biggest_index' [-Wunused-variable]
../src/slic3r/GUI/Jobs/EmbossJob.cpp:352:43: warning: 'const Slic3r::GUI::UseSurfaceData::ModelSource* get_biggest(const ModelSources&)' defined but not used [-Wunused-function]
We introduced detecting for those degeneration cases. When degenerated Voronoi diagram is detected, then the input polygons are rotated, and the Voronoi diagram is recomputed. Usually, rotation of input data solves issues like this.
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