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Detection of curled edges to enhance slowdown for overhangs algorithm (#2056)

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* Overhang perimeter handling

Updated code to handle overhang perimeters as an overhang and not as a bridge.

* Preparing to add curled extrusions identification

* Porting curling calculations from Prusa Slier 2.6.1

* Prototype 1 - slowdown extended to detect curled edges and further reduce speed

First prototype of the code submitted.

* Working prototype - 2

Code is now finally working - external perimeters are slowed down as needed when there is likelyhood of curling up.

ToDo:
1. Reslicing the model causes the algorithm not to run - need to find where this fails to trigger the call for this.
2. Slowdown of internal perimeters not working yet.

* Updated to use overhang wall speed instead of bridging speed for this algorithm

* Fixed bug in speed calculation and tweaked parameters for high speed printer

Fixed bug in speed calculation and tweaked parameters for high speed printer

* Attempting to fix "set started" not being set

* Parameter tweak after print tests

* Fixed estimation not running when model is re-sliced.

* Removing debug printf statements and fixed threading flag.

* Fixed threading

* Parameter tweaks following print tests

* Made this as an option in the GUI

* Reintroduced handling of bridges as per original design

* UI line toggling when option makes sense to be visible.

* Fixed bug in field visibility & made it default to off

* Code optimisation

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>
This commit is contained in:
igiannakas 2023-09-16 15:24:18 +01:00 • committed by GitHub
parent bcedb431ab
commit 61437b2c76
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16 changed files with 322 additions and 143 deletions
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21
src/libslic3r/PrintObject.cpp
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@ -9,6 +9,7 @@
#include "MutablePolygon.hpp"
#include "PrintConfig.hpp"
#include "SupportMaterial.hpp"
#include "SupportSpotsGenerator.hpp"
#include "Support/TreeSupport.hpp"
#include "Surface.hpp"
#include "Slicing.hpp"
@ -499,6 +500,25 @@ void PrintObject::generate_support_material()
}
}
void PrintObject::estimate_curled_extrusions()
{
if (this->set_started(posEstimateCurledExtrusions)) {
if ( std::any_of(this->print()->m_print_regions.begin(), this->print()->m_print_regions.end(),
[](const PrintRegion *region) { return region->config().enable_overhang_speed.getBool(); })) {
// Estimate curling of support material and add it to the malformaition lines of each layer
float support_flow_width = support_material_flow(this, this->config().layer_height).width();
SupportSpotsGenerator::Params params{this->print()->m_config.filament_type.values,
float(this->print()->m_config.inner_wall_acceleration.getFloat()),
this->config().raft_layers.getInt(), this->config().brim_type.value,
float(this->config().brim_width.getFloat())};
SupportSpotsGenerator::estimate_malformations(this->layers(), params);
m_print->throw_if_canceled();
}
//this->set_done(posEstimateCurledExtrusions);
}
}
void PrintObject::simplify_extrusion_path()
{
if (this->set_started(posSimplifyPath)) {
@ -756,6 +776,7 @@ bool PrintObject::invalidate_state_by_config_options(
|| opt_key == "raft_contact_distance"
|| opt_key == "slice_closing_radius"
|| opt_key == "slicing_mode"
|| opt_key == "slowdown_for_curled_perimeters"
|| opt_key == "make_overhang_printable"
|| opt_key == "make_overhang_printable_angle"
|| opt_key == "make_overhang_printable_hole_size") {