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Calculate extrusion width %s as a function of nozzle width, not layer height (#1578)

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* Calculate extrusion width %s as a function of nozzle width, not layer height

* handled more width conversions

* more missing percent handling

* even more missed percent handling

* even more more extrusion % handling

* some fixes

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>
This commit is contained in:
Jason M-H 2023-07-27 11:37:47 -04:00 • committed by GitHub
parent 71ddef9724
commit be54f6bc99
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GPG key ID: 4AEE18F83AFDEB23
20 changed files with 187 additions and 121 deletions
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10
src/libslic3r/PrintObject.cpp
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@ -423,7 +423,10 @@ static const float g_min_overhang_percent_for_lift = 0.3f;
void PrintObject::detect_overhangs_for_lift()
{
if (this->set_started(posDetectOverhangsForLift)) {
const float min_overlap = m_config.line_width * g_min_overhang_percent_for_lift;
const double nozzle_diameter = m_print->config().nozzle_diameter.get_at(0);
const coordf_t line_width = this->config().get_abs_value("line_width", nozzle_diameter);
const float min_overlap = line_width * g_min_overhang_percent_for_lift;
size_t num_layers = this->layer_count();
size_t num_raft_layers = m_slicing_params.raft_layers();
@ -433,14 +436,14 @@ void PrintObject::detect_overhangs_for_lift()
tbb::spin_mutex layer_storage_mutex;
tbb::parallel_for(tbb::blocked_range<size_t>(num_raft_layers + 1, num_layers),
[this, min_overlap](const tbb::blocked_range<size_t>& range)
[this, min_overlap, line_width](const tbb::blocked_range<size_t>& range)
{
for (size_t layer_id = range.begin(); layer_id < range.end(); ++layer_id) {
Layer& layer = *m_layers[layer_id];
Layer& lower_layer = *layer.lower_layer;
ExPolygons overhangs = diff_ex(layer.lslices, offset_ex(lower_layer.lslices, scale_(min_overlap)));
layer.loverhangs = std::move(offset2_ex(overhangs, -0.1f * scale_(m_config.line_width), 0.1f * scale_(m_config.line_width)));
layer.loverhangs = std::move(offset2_ex(overhangs, -0.1f * scale_(line_width), 0.1f * scale_(line_width)));
}
});
@ -2591,6 +2594,7 @@ SupportNecessaryType PrintObject::is_support_necessary()
#if 0
double threshold_rad = (m_config.support_threshold_angle.value < EPSILON ? 30 : m_config.support_threshold_angle.value + 1) * M_PI / 180.;
int enforce_support_layers = m_config.enforce_support_layers;
// not fixing in extrusion width % PR b/c never called
const coordf_t extrusion_width = m_config.line_width.value;
const coordf_t extrusion_width_scaled = scale_(extrusion_width);
float max_bridge_length = scale_(m_config.max_bridge_length.value);