void SkirtBrim::generate(SliceDataStorage& storage, Polygons first_layer_outline, int start_distance, unsigned int primary_line_count)
{
const bool is_skirt = start_distance > 0;
Scene& scene = Application::getInstance().current_slice->scene;
const size_t adhesion_extruder_nr = scene.current_mesh_group->settings.get<ExtruderTrain&>("adhesion_extruder_nr").extruder_nr;
const Settings& adhesion_settings = scene.extruders[adhesion_extruder_nr].settings;
const coord_t primary_extruder_skirt_brim_line_width = adhesion_settings.get<coord_t>("skirt_brim_line_width") * adhesion_settings.get<Ratio>("initial_layer_line_width_factor");
const coord_t primary_extruder_minimal_length = adhesion_settings.get<coord_t>("skirt_brim_minimal_length");
Polygons& skirt_brim_primary_extruder = storage.skirt_brim[adhesion_extruder_nr];
const bool has_ooze_shield = storage.oozeShield.size() > 0 && storage.oozeShield[0].size() > 0;
const bool has_draft_shield = storage.draft_protection_shield.size() > 0;
if (is_skirt && (has_ooze_shield || has_draft_shield))
{ // make sure we don't generate skirt through draft / ooze shield
first_layer_outline = first_layer_outline.offset(start_distance - primary_extruder_skirt_brim_line_width / 2, ClipperLib::jtRound).unionPolygons(storage.draft_protection_shield);
if (has_ooze_shield)
{
first_layer_outline = first_layer_outline.unionPolygons(storage.oozeShield[0]);
}
first_layer_outline = first_layer_outline.approxConvexHull();
start_distance = primary_extruder_skirt_brim_line_width / 2;
}
int offset_distance = generatePrimarySkirtBrimLines(start_distance, primary_line_count, primary_extruder_minimal_length, first_layer_outline, skirt_brim_primary_extruder);
// handle support-brim
const ExtruderTrain& support_infill_extruder = scene.current_mesh_group->settings.get<ExtruderTrain&>("support_infill_extruder_nr");
if (support_infill_extruder.settings.get<bool>("support_brim_enable"))
{
generateSupportBrim(storage);
}
// generate brim for ooze shield and draft shield
if (!is_skirt && (has_ooze_shield || has_draft_shield))
{
// generate areas where to make extra brim for the shields
// avoid gap in the middle
// V
// +---+ +----+
// |+-+| |+--+|
// || || ||[]|| > expand to fit an extra brim line
// |+-+| |+--+|
// +---+ +----+
const int64_t primary_skirt_brim_width = (primary_line_count + primary_line_count % 2) * primary_extruder_skirt_brim_line_width; // always use an even number, because we will fil the area from both sides
Polygons shield_brim;
if (has_ooze_shield)
{
shield_brim = storage.oozeShield[0].difference(storage.oozeShield[0].offset(-primary_skirt_brim_width - primary_extruder_skirt_brim_line_width));
}
if (has_draft_shield)
{
shield_brim = shield_brim.unionPolygons(storage.draft_protection_shield.difference(storage.draft_protection_shield.offset(-primary_skirt_brim_width - primary_extruder_skirt_brim_line_width)));
}
const Polygons outer_primary_brim = first_layer_outline.offset(offset_distance, ClipperLib::jtRound);
shield_brim = shield_brim.difference(outer_primary_brim.offset(primary_extruder_skirt_brim_line_width));
// generate brim within shield_brim
skirt_brim_primary_extruder.add(shield_brim);
while (shield_brim.size() > 0)
{
shield_brim = shield_brim.offset(-primary_extruder_skirt_brim_line_width);
skirt_brim_primary_extruder.add(shield_brim);
}
// update parameters to generate secondary skirt around
first_layer_outline = outer_primary_brim;
if (has_draft_shield)
{
first_layer_outline = first_layer_outline.unionPolygons(storage.draft_protection_shield);
}
if (has_ooze_shield)
{
first_layer_outline = first_layer_outline.unionPolygons(storage.oozeShield[0]);
}
offset_distance = 0;
}
{ // process other extruders' brim/skirt (as one brim line around the old brim)
int last_width = primary_extruder_skirt_brim_line_width;
std::vector<bool> extruder_is_used = storage.getExtrudersUsed();
for (size_t extruder_nr = 0; extruder_nr < Application::getInstance().current_slice->scene.extruders.size(); extruder_nr++)
{
if (extruder_nr == adhesion_extruder_nr || !extruder_is_used[extruder_nr])
{
continue;
}
const ExtruderTrain& train = Application::getInstance().current_slice->scene.extruders[extruder_nr];
const coord_t width = train.settings.get<coord_t>("skirt_brim_line_width") * train.settings.get<Ratio>("initial_layer_line_width_factor");
const coord_t minimal_length = train.settings.get<coord_t>("skirt_brim_minimal_length");
offset_distance += last_width / 2 + width/2;
last_width = width;
while (storage.skirt_brim[extruder_nr].polygonLength() < minimal_length)
{
storage.skirt_brim[extruder_nr].add(first_layer_outline.offset(offset_distance, ClipperLib::jtRound));
offset_distance += width;
}
}
}
}
void SkirtBrim::generate(SliceDataStorage& storage, int start_distance, unsigned int primary_line_count)
{
const bool is_skirt = start_distance > 0;
const unsigned int adhesion_extruder_nr = storage.getSettingAsIndex("adhesion_extruder_nr");
const ExtruderTrain* adhesion_extruder = storage.meshgroup->getExtruderTrain(adhesion_extruder_nr);
const int primary_extruder_skirt_brim_line_width = adhesion_extruder->getSettingInMicrons("skirt_brim_line_width") * adhesion_extruder->getSettingAsRatio("initial_layer_line_width_factor");
const int64_t primary_extruder_minimal_length = adhesion_extruder->getSettingInMicrons("skirt_brim_minimal_length");
Polygons& skirt_brim_primary_extruder = storage.skirt_brim[adhesion_extruder_nr];
Polygons first_layer_outline;
getFirstLayerOutline(storage, primary_line_count, primary_extruder_skirt_brim_line_width, is_skirt, first_layer_outline);
const bool has_ooze_shield = storage.oozeShield.size() > 0 && storage.oozeShield[0].size() > 0;
const bool has_draft_shield = storage.draft_protection_shield.size() > 0;
if (is_skirt && (has_ooze_shield || has_draft_shield))
{ // make sure we don't generate skirt through draft / ooze shield
first_layer_outline = first_layer_outline.offset(start_distance - primary_extruder_skirt_brim_line_width / 2, ClipperLib::jtRound).unionPolygons(storage.draft_protection_shield);
if (has_ooze_shield)
{
first_layer_outline = first_layer_outline.unionPolygons(storage.oozeShield[0]);
}
first_layer_outline = first_layer_outline.approxConvexHull();
start_distance = primary_extruder_skirt_brim_line_width / 2;
}
int offset_distance = generatePrimarySkirtBrimLines(start_distance, primary_line_count, primary_extruder_skirt_brim_line_width, primary_extruder_minimal_length, first_layer_outline, skirt_brim_primary_extruder);
// generate brim for ooze shield and draft shield
if (!is_skirt && (has_ooze_shield || has_draft_shield))
{
// generate areas where to make extra brim for the shields
// avoid gap in the middle
// V
// +---+ +----+
// |+-+| |+--+|
// || || ||[]|| > expand to fit an extra brim line
// |+-+| |+--+|
// +---+ +----+
const int64_t primary_skirt_brim_width = (primary_line_count + primary_line_count % 2) * primary_extruder_skirt_brim_line_width; // always use an even number, because we will fil the area from both sides
Polygons shield_brim;
if (has_ooze_shield)
{
shield_brim = storage.oozeShield[0].difference(storage.oozeShield[0].offset(-primary_skirt_brim_width - primary_extruder_skirt_brim_line_width));
}
if (has_draft_shield)
{
shield_brim = shield_brim.unionPolygons(storage.draft_protection_shield.difference(storage.draft_protection_shield.offset(-primary_skirt_brim_width - primary_extruder_skirt_brim_line_width)));
}
const Polygons outer_primary_brim = first_layer_outline.offset(offset_distance, ClipperLib::jtRound);
shield_brim = shield_brim.difference(outer_primary_brim.offset(primary_extruder_skirt_brim_line_width));
// generate brim within shield_brim
skirt_brim_primary_extruder.add(shield_brim);
while (shield_brim.size() > 0)
{
shield_brim = shield_brim.offset(-primary_extruder_skirt_brim_line_width);
skirt_brim_primary_extruder.add(shield_brim);
}
// update parameters to generate secondary skirt around
first_layer_outline = outer_primary_brim;
if (has_draft_shield)
{
first_layer_outline = first_layer_outline.unionPolygons(storage.draft_protection_shield);
}
if (has_ooze_shield)
{
first_layer_outline = first_layer_outline.unionPolygons(storage.oozeShield[0]);
}
offset_distance = 0;
}
{ // process other extruders' brim/skirt (as one brim line around the old brim)
int last_width = primary_extruder_skirt_brim_line_width;
std::vector<bool> extruder_is_used = storage.getExtrudersUsed();
for (unsigned int extruder = 0; extruder < storage.meshgroup->getExtruderCount(); extruder++)
{
if (extruder == adhesion_extruder_nr || !extruder_is_used[extruder])
{
continue;
}
const ExtruderTrain* train = storage.meshgroup->getExtruderTrain(extruder);
const int width = train->getSettingInMicrons("skirt_brim_line_width") * train->getSettingAsRatio("initial_layer_line_width_factor");
const int64_t minimal_length = train->getSettingInMicrons("skirt_brim_minimal_length");
offset_distance += last_width / 2 + width/2;
last_width = width;
while (storage.skirt_brim[extruder].polygonLength() < minimal_length)
{
storage.skirt_brim[extruder].add(first_layer_outline.offset(offset_distance, ClipperLib::jtRound));
offset_distance += width;
}
}
}
}
