3D-printing/OrcaSlicer
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tamasmeszaros 2018-07-04 14:36:14 +02:00
parent 0b914c5ea3
commit b26d1ef5bf
1 changed files with 30 additions and 6 deletions
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36
xs/src/libslic3r/Model.cpp
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@ -476,13 +476,20 @@ bool arrange(Model &model, coordf_t dist, const Slic3r::BoundingBoxf* bb,
using PConf = Arranger::PlacementConfig; using PConf = Arranger::PlacementConfig;
using SConf = Arranger::SelectionConfig; using SConf = Arranger::SelectionConfig;
PConf pcfg; PConf pcfg; // Placement configuration
SConf scfg; SConf scfg; // Selection configuration
// Try inserting groups of 2, and 3 items in all possible order.
scfg.try_reverse_order = true; scfg.try_reverse_order = true;
// If there are more items that could possibly fit into one bin,
// use multiple threads. (Potencially decreased pack efficiency)
scfg.allow_parallel = false; scfg.allow_parallel = false;
// Use multiple threads whenever possible
scfg.force_parallel = false; scfg.force_parallel = false;
// Align the arranged pile into the center of the bin
pcfg.alignment = PConf::Alignment::CENTER; pcfg.alignment = PConf::Alignment::CENTER;
// TODO cannot use rotations until multiple objects of same geometry can // TODO cannot use rotations until multiple objects of same geometry can
@ -490,28 +497,45 @@ bool arrange(Model &model, coordf_t dist, const Slic3r::BoundingBoxf* bb,
// arranger.useMinimumBoundigBoxRotation(); // arranger.useMinimumBoundigBoxRotation();
pcfg.rotations = { 0.0 }; pcfg.rotations = { 0.0 };
// Magic: we will specify what is the goal of arrangement...
// In this case we override the default object function because we
// (apparently) don't care about pack efficiency and all we care is that the
// larger items go into the center of the pile and smaller items orbit it
// so the resulting pile has a circle-like shape.
// This is good for the print bed's heat profile.
// As a side effect, the arrange procedure is a lot faster (we do not need
// to calculate the convex hulls)
pcfg.object_function = [&bin]( pcfg.object_function = [&bin](
NfpPlacer::Pile pile, double /*area*/, double norm, double penality) NfpPlacer::Pile pile, // The currently arranged pile
double /*area*/, // Sum area of items (not needed)
double norm, // A norming factor for physical dimensions
double penality) // Min penality in case of bad arrangement
{ {
auto bb = ShapeLike::boundingBox(pile); auto bb = ShapeLike::boundingBox(pile);
// We will optimize to the diameter of the circle around the bounding box // We will optimize to the diameter of the circle around the bounding
double score = PointLike::distance(bb.minCorner(), bb.maxCorner()) / norm; // box and use the norming factor to get rid of the physical dimensions
double score = PointLike::distance(bb.minCorner(),
bb.maxCorner()) / norm;
// If it does not fit into the print bed we will beat it
// with a large penality
if(!NfpPlacer::wouldFit(bb, bin)) score = 2*penality - score; if(!NfpPlacer::wouldFit(bb, bin)) score = 2*penality - score;
return score; return score;
}; };
// Create the arranger object
Arranger arranger(bin, min_obj_distance, pcfg, scfg); Arranger arranger(bin, min_obj_distance, pcfg, scfg);
// Set the progress indicator for the arranger.
arranger.progressIndicator(progressind); arranger.progressIndicator(progressind);
// std::cout << "Arranging model..." << std::endl; // std::cout << "Arranging model..." << std::endl;
// bench.start(); // bench.start();
// Arrange and return the items with their respective indices within the // Arrange and return the items with their respective indices within the
// input sequence. // input sequence.
auto result = arranger.arrangeIndexed(shapes.begin(), shapes.end()); auto result = arranger.arrangeIndexed(shapes.begin(), shapes.end());
// bench.stop(); // bench.stop();