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Option to use volumetric E values. #1746

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This commit is contained in:
Alessandro Ranellucci
2015-01-05 19:39:10 +01:00
parent 6776d6bc00
commit 47e4e8bb66
7 changed files with 66 additions and 22 deletions
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18
xs/src/libslic3r/Extruder.cpp
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@@ -9,8 +9,12 @@ Extruder::Extruder(int id, GCodeConfig *config)
reset();
// cache values that are going to be called often
this->e_per_mm3 = this->extrusion_multiplier()
* (4 / ((this->filament_diameter() * this->filament_diameter()) * PI));
if (config->use_volumetric_e) {
this->e_per_mm3 = this->extrusion_multiplier();
} else {
this->e_per_mm3 = this->extrusion_multiplier()
* (4 / ((this->filament_diameter() * this->filament_diameter()) * PI));
}
this->retract_speed_mm_min = this->retract_speed() * 60;
}
@@ -80,12 +84,22 @@ Extruder::e_per_mm(double mm3_per_mm) const
double
Extruder::extruded_volume() const
{
if (this->config->use_volumetric_e) {
// Any current amount of retraction should not affect used filament, since
// it represents empty volume in the nozzle. We add it back to E.
return this->absolute_E + this->retracted;
}
return this->used_filament() * (this->filament_diameter() * this->filament_diameter()) * PI/4;
}
double
Extruder::used_filament() const
{
if (this->config->use_volumetric_e) {
return this->extruded_volume() / (this->filament_diameter() * this->filament_diameter() * PI/4);
}
// Any current amount of retraction should not affect used filament, since
// it represents empty volume in the nozzle. We add it back to E.
return this->absolute_E + this->retracted;