3DPrinting/PrusaSlicer-NonPlainar
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Use smarter object function in partial arrangement with empty bed.

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This commit is contained in:
tamasmeszaros 2020-12-02 17:53:22 +01:00
parent 2813db8906
commit 869ae0247e
2 changed files with 20 additions and 8 deletions
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8
src/libnest2d/include/libnest2d/placers/nfpplacer.hpp
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@ -167,6 +167,8 @@ struct NfpPConfig {
const ItemGroup& // remaining items const ItemGroup& // remaining items
)> before_packing; )> before_packing;
std::function<void(const ItemGroup &, NfpPConfig &config)> on_preload;
NfpPConfig(): rotations({0.0, Pi/2.0, Pi, 3*Pi/2}), NfpPConfig(): rotations({0.0, Pi/2.0, Pi, 3*Pi/2}),
alignment(Alignment::CENTER), starting_point(Alignment::CENTER) {} alignment(Alignment::CENTER), starting_point(Alignment::CENTER) {}
}; };
@ -577,6 +579,12 @@ public:
Base::clearItems(); Base::clearItems();
} }
void preload(const ItemGroup& packeditems) {
Base::preload(packeditems);
if (config_.on_preload)
config_.on_preload(packeditems, config_);
}
private: private:
using Shapes = TMultiShape<RawShape>; using Shapes = TMultiShape<RawShape>;

20
src/libslic3r/Arrange.cpp
View file

@ -109,6 +109,7 @@ void fill_config(PConf& pcfg, const ArrangeParams &params) {
// Apply penalty to object function result. This is used only when alignment // Apply penalty to object function result. This is used only when alignment
// after arrange is explicitly disabled (PConfig::Alignment::DONT_ALIGN) // after arrange is explicitly disabled (PConfig::Alignment::DONT_ALIGN)
// Also, this will only work well for Box shaped beds.
static double fixed_overfit(const std::tuple<double, Box>& result, const Box &binbb) static double fixed_overfit(const std::tuple<double, Box>& result, const Box &binbb)
{ {
double score = std::get<0>(result); double score = std::get<0>(result);
@ -348,6 +349,17 @@ public:
m_pconf.object_function = get_objfn(); m_pconf.object_function = get_objfn();
m_pconf.on_preload = [this](const ItemGroup &items, PConfig &cfg) {
if (items.empty()) return;
cfg.alignment = PConfig::Alignment::DONT_ALIGN;
auto bb = sl::boundingBox(m_bin);
auto bbcenter = bb.center();
cfg.object_function = [this, bb, bbcenter](const Item &item) {
return fixed_overfit(objfunc(item, bbcenter), bb);
};
};
auto on_packed = params.on_packed; auto on_packed = params.on_packed;
if (progressind || on_packed) if (progressind || on_packed)
@ -384,13 +396,6 @@ public:
const PConfig& config() const { return m_pconf; } const PConfig& config() const { return m_pconf; }
inline void preload(std::vector<Item>& fixeditems) { inline void preload(std::vector<Item>& fixeditems) {
m_pconf.alignment = PConfig::Alignment::DONT_ALIGN;
auto bb = sl::boundingBox(m_bin);
auto bbcenter = bb.center();
m_pconf.object_function = [this, bb, bbcenter](const Item &item) {
return fixed_overfit(objfunc(item, bbcenter), bb);
};
// Build the rtree for queries to work // Build the rtree for queries to work
for(unsigned idx = 0; idx < fixeditems.size(); ++idx) { for(unsigned idx = 0; idx < fixeditems.size(); ++idx) {
@ -398,7 +403,6 @@ public:
itm.markAsFixedInBin(itm.binId()); itm.markAsFixedInBin(itm.binId());
} }
m_pck.configure(m_pconf);
m_item_count += fixeditems.size(); m_item_count += fixeditems.size();
} }
}; };