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WIP: Splitting the number of top / bottom support interface layers.

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If the new support_material_bottom_interface_layers is left at default -1,
then support_material_interface_layers is used for both top and bottom
interface layers.
If support_material_interface_layers == 0, then neither top nor bottom
interface layers are being extruded.
This commit is contained in:
Vojtech Bubnik 2021-03-09 15:29:13 +01:00
parent adcbe4347c
commit 00db3dc419
8 changed files with 81 additions and 49 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/libslic3r/Flow.hpp
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@ -118,7 +118,10 @@ public:
private:
Flow(float width, float height, float spacing, float nozzle_diameter, bool bridge) :
m_width(width), m_height(height), m_spacing(spacing), m_nozzle_diameter(nozzle_diameter), m_bridge(bridge)
{ assert(width >= height); }
{
// Gap fill violates this condition.
//assert(width >= height);
}
float m_width { 0 };
float m_height { 0 };

2
src/libslic3r/Preset.cpp
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@ -428,7 +428,7 @@ const std::vector<std::string>& Preset::print_options()
"min_skirt_length", "brim_width", "brim_offset", "brim_type", "support_material", "support_material_auto", "support_material_threshold", "support_material_enforce_layers",
"raft_layers", "raft_first_layer_density", "raft_first_layer_expansion", "raft_contact_distance", "raft_expansion",
"support_material_pattern", "support_material_with_sheath", "support_material_spacing",
"support_material_synchronize_layers", "support_material_angle", "support_material_interface_layers",
"support_material_synchronize_layers", "support_material_angle", "support_material_interface_layers", "support_material_bottom_interface_layers",
"support_material_interface_pattern", "support_material_interface_spacing", "support_material_interface_contact_loops", "support_material_contact_distance",
"support_material_buildplate_only", "dont_support_bridges", "thick_bridges", "notes", "complete_objects", "extruder_clearance_radius",
"extruder_clearance_height", "gcode_comments", "gcode_label_objects", "output_filename_format", "post_process", "perimeter_extruder",

12
src/libslic3r/PrintConfig.cpp
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@ -2299,7 +2299,7 @@ void PrintConfigDef::init_fff_params()
def->set_default_value(new ConfigOptionInt(1));
def = this->add("support_material_interface_layers", coInt);
def->label = L("Interface layers");
def->label = L("Top interface layers");
def->category = L("Support material");
def->tooltip = L("Number of interface layers to insert between the object(s) and support material.");
def->sidetext = L("layers");
@ -2307,6 +2307,16 @@ void PrintConfigDef::init_fff_params()
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionInt(3));
def = this->add("support_material_bottom_interface_layers", coInt);
def->label = L("Bottom interface layers");
def->category = L("Support material");
def->tooltip = L("Number of interface layers to insert between the object(s) and support material. "
"Set to -1 to use support_material_interface_layers");
def->sidetext = L("layers");
def->min = -1;
def->mode = comAdvanced;
def->set_default_value(new ConfigOptionInt(-1));
def = this->add("support_material_interface_spacing", coFloat);
def->label = L("Interface pattern spacing");
def->category = L("Support material");

2
src/libslic3r/PrintConfig.hpp
View File

@ -509,6 +509,7 @@ public:
ConfigOptionBool support_material_interface_contact_loops;
ConfigOptionInt support_material_interface_extruder;
ConfigOptionInt support_material_interface_layers;
ConfigOptionInt support_material_bottom_interface_layers;
// Spacing between interface lines (the hatching distance). Set zero to get a solid interface.
ConfigOptionFloat support_material_interface_spacing;
ConfigOptionFloatOrPercent support_material_interface_speed;
@ -560,6 +561,7 @@ protected:
OPT_PTR(support_material_extrusion_width);
OPT_PTR(support_material_interface_extruder);
OPT_PTR(support_material_interface_layers);
OPT_PTR(support_material_bottom_interface_layers);
OPT_PTR(support_material_interface_spacing);
OPT_PTR(support_material_interface_speed);
OPT_PTR(support_material_pattern);

1
src/libslic3r/PrintObject.cpp
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@ -587,6 +587,7 @@ bool PrintObject::invalidate_state_by_config_options(
|| opt_key == "support_material_extruder"
|| opt_key == "support_material_extrusion_width"
|| opt_key == "support_material_interface_layers"
|| opt_key == "support_material_bottom_interface_layers"
|| opt_key == "support_material_interface_pattern"
|| opt_key == "support_material_interface_contact_loops"
|| opt_key == "support_material_interface_extruder"

105
src/libslic3r/SupportMaterial.cpp
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@ -2720,17 +2720,23 @@ std::pair<PrintObjectSupportMaterial::MyLayersPtr, PrintObjectSupportMaterial::M
m_object_config->support_material_interface_extruder.value > 0 && m_print_config->filament_soluble.get_at(m_object_config->support_material_interface_extruder.value - 1) &&
// Base extruder: Either "print with active extruder" not soluble.
(m_object_config->support_material_extruder.value == 0 || ! m_print_config->filament_soluble.get_at(m_object_config->support_material_extruder.value - 1));
int num_interface_layers = m_object_config->support_material_interface_layers.value;
int num_base_interface_layers = soluble_interface_non_soluble_base ? std::min(num_interface_layers / 2, 2) : 0;
int num_interface_layers_top = m_object_config->support_material_interface_layers;
int num_interface_layers_bottom = m_object_config->support_material_bottom_interface_layers;
if (num_interface_layers_bottom < 0)
num_interface_layers_bottom = num_interface_layers_top;
int num_base_interface_layers_top = soluble_interface_non_soluble_base ? std::min(num_interface_layers_top / 2, 2) : 0;
int num_base_interface_layers_bottom = soluble_interface_non_soluble_base ? std::min(num_interface_layers_bottom / 2, 2) : 0;
if (! intermediate_layers.empty() && num_interface_layers > 1) {
if (! intermediate_layers.empty() && (num_interface_layers_top > 1 || num_interface_layers_bottom > 1)) {
// For all intermediate layers, collect top contact surfaces, which are not further than support_material_interface_layers.
BOOST_LOG_TRIVIAL(debug) << "PrintObjectSupportMaterial::generate_interface_layers() in parallel - start";
// Since the intermediate layer index starts at zero the number of interface layer needs to be reduced by 1.
-- num_interface_layers;
int num_interface_layers_only = num_interface_layers - num_base_interface_layers;
-- num_interface_layers_top;
-- num_interface_layers_bottom;
int num_interface_layers_only_top = num_interface_layers_top - num_base_interface_layers_top;
int num_interface_layers_only_bottom = num_interface_layers_bottom - num_base_interface_layers_bottom;
interface_layers.assign(intermediate_layers.size(), nullptr);
if (num_base_interface_layers)
if (num_base_interface_layers_top || num_base_interface_layers_bottom)
base_interface_layers.assign(intermediate_layers.size(), nullptr);
tbb::spin_mutex layer_storage_mutex;
// Insert a new layer into base_interface_layers, if intersection with base exists.
@ -2754,7 +2760,8 @@ std::pair<PrintObjectSupportMaterial::MyLayersPtr, PrintObjectSupportMaterial::M
return &layer_new;
};
tbb::parallel_for(tbb::blocked_range<int>(0, int(intermediate_layers.size())),
[&bottom_contacts, &top_contacts, &intermediate_layers, &insert_layer, num_interface_layers, num_base_interface_layers, num_interface_layers_only,
[&bottom_contacts, &top_contacts, &intermediate_layers, &insert_layer,
num_interface_layers_top, num_interface_layers_bottom, num_base_interface_layers_top, num_base_interface_layers_bottom, num_interface_layers_only_top, num_interface_layers_only_bottom,
&interface_layers, &base_interface_layers](const tbb::blocked_range<int>& range) {
// Gather the top / bottom contact layers intersecting with num_interface_layers resp. num_interface_layers_only intermediate layers above / below
// this intermediate layer.
@ -2765,45 +2772,51 @@ std::pair<PrintObjectSupportMaterial::MyLayersPtr, PrintObjectSupportMaterial::M
auto num_intermediate = int(intermediate_layers.size());
for (int idx_intermediate_layer = range.begin(); idx_intermediate_layer < range.end(); ++ idx_intermediate_layer) {
MyLayer &intermediate_layer = *intermediate_layers[idx_intermediate_layer];
// Top / bottom Z coordinate of a slab, over which we are collecting the top / bottom contact surfaces
coordf_t top_z = intermediate_layers[std::min(num_intermediate - 1, idx_intermediate_layer + num_interface_layers - 1)]->print_z;
coordf_t top_inteface_z = std::numeric_limits<coordf_t>::max();
coordf_t bottom_z = intermediate_layers[std::max(0, idx_intermediate_layer - num_interface_layers + 1)]->bottom_z;
coordf_t bottom_interface_z = - std::numeric_limits<coordf_t>::max();
if (num_base_interface_layers > 0) {
// Some base interface layers will be generated.
if (num_interface_layers_only == 0)
// Only base interface layers to generate.
std::swap(top_inteface_z, bottom_interface_z);
else {
top_inteface_z = intermediate_layers[std::min(num_intermediate - 1, idx_intermediate_layer + num_interface_layers_only - 1)]->print_z;
bottom_interface_z = intermediate_layers[std::max(0, idx_intermediate_layer - num_interface_layers_only)]->bottom_z;
}
}
// Move idx_top_contact_first up until above the current print_z.
idx_top_contact_first = idx_higher_or_equal(top_contacts, idx_top_contact_first, [&intermediate_layer](const MyLayer *layer){ return layer->print_z >= intermediate_layer.print_z; }); // - EPSILON
// Collect the top contact areas above this intermediate layer, below top_z.
Polygons polygons_top_contact_projected_interface;
Polygons polygons_top_contact_projected_base;
for (int idx_top_contact = idx_top_contact_first; idx_top_contact < int(top_contacts.size()); ++ idx_top_contact) {
const MyLayer &top_contact_layer = *top_contacts[idx_top_contact];
//FIXME maybe this adds one interface layer in excess?
if (top_contact_layer.bottom_z - EPSILON > top_z)
break;
polygons_append(top_contact_layer.bottom_z - EPSILON > top_inteface_z ? polygons_top_contact_projected_base : polygons_top_contact_projected_interface, top_contact_layer.polygons);
}
// Move idx_bottom_contact_first up until touching bottom_z.
idx_bottom_contact_first = idx_higher_or_equal(bottom_contacts, idx_bottom_contact_first, [bottom_z](const MyLayer *layer){ return layer->print_z >= bottom_z - EPSILON; });
// Collect the top contact areas above this intermediate layer, below top_z.
Polygons polygons_bottom_contact_projected_interface;
Polygons polygons_bottom_contact_projected_base;
for (int idx_bottom_contact = idx_bottom_contact_first; idx_bottom_contact < int(bottom_contacts.size()); ++ idx_bottom_contact) {
const MyLayer &bottom_contact_layer = *bottom_contacts[idx_bottom_contact];
if (bottom_contact_layer.print_z - EPSILON > intermediate_layer.bottom_z)
break;
polygons_append(bottom_contact_layer.print_z - EPSILON > bottom_interface_z ? polygons_bottom_contact_projected_interface : polygons_bottom_contact_projected_base, bottom_contact_layer.polygons);
if (num_interface_layers_top > -1) {
// Top Z coordinate of a slab, over which we are collecting the top / bottom contact surfaces
coordf_t top_z = intermediate_layers[std::min(num_intermediate - 1, idx_intermediate_layer + num_interface_layers_top - 1)]->print_z;
coordf_t top_inteface_z = std::numeric_limits<coordf_t>::max();
if (num_base_interface_layers_top > 0)
// Some top base interface layers will be generated.
top_inteface_z = num_interface_layers_only_top == 0 ?
// Only base interface layers to generate.
- std::numeric_limits<coordf_t>::max() :
intermediate_layers[std::min(num_intermediate - 1, idx_intermediate_layer + num_interface_layers_only_top - 1)]->print_z;
// Move idx_top_contact_first up until above the current print_z.
idx_top_contact_first = idx_higher_or_equal(top_contacts, idx_top_contact_first, [&intermediate_layer](const MyLayer *layer){ return layer->print_z >= intermediate_layer.print_z; }); // - EPSILON
// Collect the top contact areas above this intermediate layer, below top_z.
for (int idx_top_contact = idx_top_contact_first; idx_top_contact < int(top_contacts.size()); ++ idx_top_contact) {
const MyLayer &top_contact_layer = *top_contacts[idx_top_contact];
//FIXME maybe this adds one interface layer in excess?
if (top_contact_layer.bottom_z - EPSILON > top_z)
break;
polygons_append(top_contact_layer.bottom_z - EPSILON > top_inteface_z ? polygons_top_contact_projected_base : polygons_top_contact_projected_interface, top_contact_layer.polygons);
}
}
if (num_interface_layers_bottom > -1) {
// Bottom Z coordinate of a slab, over which we are collecting the top / bottom contact surfaces
coordf_t bottom_z = intermediate_layers[std::max(0, idx_intermediate_layer - num_interface_layers_bottom + 1)]->bottom_z;
coordf_t bottom_interface_z = - std::numeric_limits<coordf_t>::max();
if (num_base_interface_layers_bottom > 0)
// Some bottom base interface layers will be generated.
bottom_interface_z = num_interface_layers_only_bottom == 0 ?
// Only base interface layers to generate.
std::numeric_limits<coordf_t>::max() :
intermediate_layers[std::max(0, idx_intermediate_layer - num_interface_layers_only_bottom)]->bottom_z;
// Move idx_bottom_contact_first up until touching bottom_z.
idx_bottom_contact_first = idx_higher_or_equal(bottom_contacts, idx_bottom_contact_first, [bottom_z](const MyLayer *layer){ return layer->print_z >= bottom_z - EPSILON; });
// Collect the top contact areas above this intermediate layer, below top_z.
for (int idx_bottom_contact = idx_bottom_contact_first; idx_bottom_contact < int(bottom_contacts.size()); ++ idx_bottom_contact) {
const MyLayer &bottom_contact_layer = *bottom_contacts[idx_bottom_contact];
if (bottom_contact_layer.print_z - EPSILON > intermediate_layer.bottom_z)
break;
polygons_append(bottom_contact_layer.print_z - EPSILON > bottom_interface_z ? polygons_bottom_contact_projected_interface : polygons_bottom_contact_projected_base, bottom_contact_layer.polygons);
}
}
MyLayer *interface_layer = nullptr;
if (! polygons_bottom_contact_projected_interface.empty() || ! polygons_top_contact_projected_interface.empty()) {
interface_layer = insert_layer(
@ -3712,10 +3725,6 @@ void PrintObjectSupportMaterial::generate_toolpaths(
base_layer.merge(std::move(top_contact_layer));
else if (base_layer.empty() && !top_contact_layer.empty() && !top_contact_layer.layer->bridging)
std::swap(base_layer, top_contact_layer);
if (base_layer.could_merge(bottom_contact_layer))
base_layer.merge(std::move(bottom_contact_layer));
else if (base_layer.empty() && !bottom_contact_layer.empty() && !bottom_contact_layer.layer->bridging)
std::swap(base_layer, bottom_contact_layer);
}
} else {
loop_interface_processor.generate(top_contact_layer, m_support_material_interface_flow);
@ -3725,6 +3734,12 @@ void PrintObjectSupportMaterial::generate_toolpaths(
if (top_contact_layer.could_merge(interface_layer))
top_contact_layer.merge(std::move(interface_layer));
}
if ((m_object_config->support_material_interface_layers == 0 || m_object_config->support_material_bottom_interface_layers == 0) && m_can_merge_support_regions) {
if (base_layer.could_merge(bottom_contact_layer))
base_layer.merge(std::move(bottom_contact_layer));
else if (base_layer.empty() && !bottom_contact_layer.empty() && !bottom_contact_layer.layer->bridging)
std::swap(base_layer, bottom_contact_layer);
}
#if 0
if ( ! interface_layer.empty() && ! base_layer.empty()) {

2
src/slic3r/GUI/ConfigManipulation.cpp
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@ -286,7 +286,7 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig* config)
toggle_field(el, have_support_material);
toggle_field("support_material_threshold", have_support_material_auto);
for (auto el : { "support_material_interface_spacing", "support_material_interface_extruder",
for (auto el : { "support_material_bottom_interface_layers", "support_material_interface_spacing", "support_material_interface_extruder",
"support_material_interface_speed", "support_material_interface_contact_loops" })
toggle_field(el, have_support_material && have_support_interface);
toggle_field("support_material_synchronize_layers", have_support_soluble);

1
src/slic3r/GUI/Tab.cpp
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@ -1512,6 +1512,7 @@ void TabPrint::build()
optgroup->append_single_option_line("support_material_spacing", category_path + "pattern-spacing-0-inf");
optgroup->append_single_option_line("support_material_angle", category_path + "pattern-angle");
optgroup->append_single_option_line("support_material_interface_layers", category_path + "interface-layers");
optgroup->append_single_option_line("support_material_bottom_interface_layers", category_path + "interface-layers");
optgroup->append_single_option_line("support_material_interface_pattern", category_path + "interface-pattern");
optgroup->append_single_option_line("support_material_interface_spacing", category_path + "interface-pattern-spacing");
optgroup->append_single_option_line("support_material_interface_contact_loops", category_path + "interface-loops");