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NEW: Add temperature-hold flag to machine_start_gcode

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Description:By calculating the total area of the first layer (object, support, wipe tower), the flag is true when the area is greater than 200 and the height is less than 0.3 mm. machine_start_code placeholder: "hold_chamber_temp_for_flat_print"

jira: STUDIO-13370
Change-Id: If5982da28afb57e9bbb8a0a1ba69bc45f5cc1c7c
(cherry picked from commit eb942df30e6779acbdf1d330cae5c6ebe0010abf)
(cherry picked from commit 47a242ecd639cc630f70d9b6cf4d1fd91fd511d4)
(cherry picked from commit 87f4741d9caaf33699d647a2ce5b4f60d535f7b1)
This commit is contained in:
songwei.li
2025-07-15 10:41:15 +08:00
committed by Noisyfox
parent a0f52e2c74
commit 99cb888421
1 changed files with 40 additions and 0 deletions
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40
src/libslic3r/GCode.cpp
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@@ -2785,6 +2785,46 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
this->placeholder_parser().set("scan_first_layer", new ConfigOptionBool(false));
}
}
{ // hold chamber temp for flat print: Flag
double print_area_sum_threshold = 40000.0, pring_hight_threshold = 0.3; // thresholds in mm^2 and mm as units
double area_sum_temp = 0.0;
coordf_t max_hight_temp = -1.0;
for (ObjectID print_object_ID_t : print.print_object_ids()) {
const PrintObject *print_object = print.get_object(print_object_ID_t);
// object hight
if (!print_object->layers().empty() && print_object->layers().back()->print_z > max_hight_temp) max_hight_temp = print_object->layers().back()->print_z;
// object area
if (!print_object->layers().empty() && print_object->layers().front()->print_z < print.config().initial_layer_print_height + EPSILON &&
!print_object->layers().front()->lslices.empty()) {
ExPolygons temp_Expolys = print_object->layers().front()->lslices;
for (ExPolygon &temp_Expoly : temp_Expolys) { area_sum_temp += temp_Expoly.area(); }
}
// suport area
if (!print_object->support_layers().empty() && print_object->support_layers().front()->print_z < print.config().initial_layer_print_height + EPSILON &&
!print_object->support_layers().front()->support_islands.empty()) {
ExPolygons temp_Expolys = print_object->support_layers().front()->support_islands;
for (ExPolygon &temp_Expoly : temp_Expolys) { area_sum_temp += temp_Expoly.area(); }
}
// brim area
if (print.m_brimMap.find(print_object_ID_t) != print.m_brimMap.end() && !print.m_brimMap.at(print_object_ID_t).entities.empty()) { // contain brim
for (const ExtrusionEntity *entities_temp : print.m_brimMap.at(print_object_ID_t).entities) {
Polygons temp_Expolys;
entities_temp->polygons_covered_by_spacing(temp_Expolys, 0.0f);
for (Polygon &temp_Expoly : temp_Expolys) { area_sum_temp += temp_Expoly.area(); }
}
}
}
// wipe tower area
if (has_wipe_tower) {
Polygon temp_Expoly = print.wipe_tower_data().wipe_tower_mesh_data->bottom;
area_sum_temp += temp_Expoly.area();
}
bool hold_chamber_temp_for_flat_print = max_hight_temp > 0 && max_hight_temp < pring_hight_threshold && area_sum_temp > print_area_sum_threshold * 1.0e10;
this->placeholder_parser().set("hold_chamber_temp_for_flat_print", new ConfigOptionBool(hold_chamber_temp_for_flat_print));
}
std::string machine_start_gcode = this->placeholder_parser_process("machine_start_gcode", print.config().machine_start_gcode.value, initial_extruder_id);
if (print.config().gcode_flavor != gcfKlipper) {
// Set bed temperature if the start G-code does not contain any bed temp control G-codes.