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Write the first layer temperatures of the printed filaments into the G-code header (#16422)

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The `; first_layer_bed_temperature` and `; first_layer_temperature` compatibility lines were always taken from filament 1. Anycubic's GoKlipper reads the bed line to heat the bed, so a plate printed only with another filament got the wrong temperature.

The bed line now follows `bed_temperature_formula` (highest used filament or first printing filament). The nozzle line uses the first printing filament. Both values are computed before the by-object loop.
This commit is contained in:
xNoVoSx
2026-10-14 16:11:57 -05:00
committed by GitHub
parent 0df9b782bb
commit 5e94368863
2 changed files with 99 additions and 9 deletions
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src/libslic3r/GCode.cpp
+11 -9
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@@ -3570,6 +3570,13 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
print.throw_if_canceled();
// Taken before the object loop, which reassigns initial_extruder_id when printing by object.
const int compat_first_layer_bed_temp = m_config.bed_temperature_formula == BedTempFormula::btfHighestTemp ?
get_highest_bed_temperature(true, print) :
get_bed_temperature(initial_extruder_id, true, print.config().curr_bed_type);
const int compat_first_layer_nozzle_temp =
print.config().nozzle_temperature_initial_layer.get_at(get_filament_config_index((int) initial_extruder_id));
int extruder_id = get_extruder_id(initial_extruder_id);
m_cooling_buffer = make_unique<CoolingBuffer>(*this);
@@ -4160,12 +4167,8 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
file.write(full_config);
// SoftFever: write compatiple image
int first_layer_bed_temperature = get_bed_temperature(0, true, print.config().curr_bed_type);
file.write_format("; first_layer_bed_temperature = %d\n",
first_layer_bed_temperature);
file.write_format(
"; first_layer_temperature = %d\n",
print.config().nozzle_temperature_initial_layer.get_at(0));
file.write_format("; first_layer_bed_temperature = %d\n", compat_first_layer_bed_temp);
file.write_format("; first_layer_temperature = %d\n", compat_first_layer_nozzle_temp);
file.write("; CONFIG_BLOCK_END\n\n");
} else if (thumbnail_cb != nullptr) {
// generate the thumbnails
@@ -4750,10 +4753,9 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
file.write(full_config);
// SoftFever: write compatiple info
int first_layer_bed_temperature = get_bed_temperature(0, true, print.config().curr_bed_type);
file.write_format("; first_layer_bed_temperature = %d\n", first_layer_bed_temperature);
file.write_format("; first_layer_bed_temperature = %d\n", compat_first_layer_bed_temp);
file.write_format("; bed_shape = %s\n", print.full_print_config().opt_serialize("printable_area").c_str());
file.write_format("; first_layer_temperature = %d\n", print.config().nozzle_temperature_initial_layer.get_at(0));
file.write_format("; first_layer_temperature = %d\n", compat_first_layer_nozzle_temp);
file.write_format("; first_layer_height = %.3f\n", print.config().initial_layer_print_height.value);
//SF TODO