3DPrinting/PrusaSlicer-NonPlainar
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Reduce curling of Rear seams, improve its quality

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Relevant issue: 8841 Rear Seam Not Aligned, Not Rear of Model
This commit is contained in:
PavelMikus 2022-09-12 10:53:17 +02:00
parent 2781f716f4
commit 63222eb529
1 changed files with 13 additions and 6 deletions
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19
src/libslic3r/GCode/SeamPlacer.cpp
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@ -1,5 +1,7 @@
#include "SeamPlacer.hpp"
#include "Point.hpp"
#include "libslic3r.h"
#include "tbb/parallel_for.h"
#include "tbb/blocked_range.h"
#include "tbb/parallel_reduce.h"
@ -729,8 +731,9 @@ void gather_enforcers_blockers(GlobalModelInfo &result, const PrintObject *po) {
struct SeamComparator {
SeamPosition setup;
float angle_importance;
explicit SeamComparator(SeamPosition setup) :
setup(setup) {
Vec2f rear_attractor;
explicit SeamComparator(SeamPosition setup, const Vec2f& rear_attractor = Vec2f::Zero()) :
setup(setup), rear_attractor(rear_attractor) {
angle_importance =
setup == spNearest ? SeamPlacer::angle_importance_nearest : SeamPlacer::angle_importance_aligned;
}
@ -761,8 +764,9 @@ struct SeamComparator {
return false;
}
if (setup == SeamPosition::spRear && a.position.y() != b.position.y()) {
return a.position.y() > b.position.y();
if (setup == SeamPosition::spRear) {
return (a.position.head<2>() - rear_attractor).squaredNorm() <
(b.position.head<2>() - rear_attractor).squaredNorm();
}
float distance_penalty_a = 0.0f;
@ -824,7 +828,8 @@ struct SeamComparator {
}
if (setup == SeamPosition::spRear) {
return a.position.y() + SeamPlacer::seam_align_score_tolerance * 5.0f > b.position.y();
return (a.position.head<2>() - rear_attractor).squaredNorm() - a.perimeter.flow_width <
(b.position.head<2>() - rear_attractor).squaredNorm();
}
float penalty_a = a.overhang + a.visibility
@ -1452,7 +1457,9 @@ void SeamPlacer::init(const Print &print, std::function<void(void)> throw_if_can
for (const PrintObject *po : print.objects()) {
throw_if_canceled_func();
SeamPosition configured_seam_preference = po->config().seam_position.value;
SeamComparator comparator { configured_seam_preference };
Vec2f rear_attractor = unscaled(po->bounding_box().center()).cast<float>() +
1.5f * Vec2f(0.0f, unscale<float>(po->bounding_box().max.y()));
SeamComparator comparator{configured_seam_preference, rear_attractor};
{
GlobalModelInfo global_model_info { };