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Variable layer height enabled, nozzle diameters properly passed to the wipe tower generator

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This commit is contained in:
Lukas Matena 2018-03-29 15:32:09 +02:00
parent 6fd3f38717
commit 281732ca38
3 changed files with 19 additions and 9 deletions
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2
xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp
View file

@ -1104,7 +1104,7 @@ void WipeTowerPrusaMM::plan_tower()
if (this_layer_depth > m_wipe_tower_depth - m_perimeter_width)
m_wipe_tower_depth = this_layer_depth + m_perimeter_width;
for (int i = layer_index - 1; i >= 0 /*&& m_plan[i].depth < this_layer_depth*/; i--)
for (int i = layer_index - 1; i >= 0 ; i--)
{
if (m_plan[i].depth - this_layer_depth < 2*m_perimeter_width )
m_plan[i].depth = this_layer_depth;

13
xs/src/libslic3r/GCode/WipeTowerPrusaMM.hpp
View file

@ -67,7 +67,7 @@ public:
// Set the extruder properties.
void set_extruder(size_t idx, material_type material, int temp, int first_layer_temp, float loading_speed,
float unloading_speed, float delay, float cooling_time, std::string ramming_parameters)
float unloading_speed, float delay, float cooling_time, std::string ramming_parameters, float nozzle_diameter)
{
//while (m_filpar.size() < idx+1) // makes sure the required element is in the vector
m_filpar.push_back(FilamentParameters());
@ -79,6 +79,9 @@ public:
m_filpar[idx].unloading_speed = unloading_speed;
m_filpar[idx].delay = delay;
m_filpar[idx].cooling_time = cooling_time;
m_filpar[idx].nozzle_diameter = nozzle_diameter; // to be used in future with (non-single) multiextruder MM
m_perimeter_width = nozzle_diameter * Width_To_Nozzle_Ratio; // all extruders are now assumed to have the same diameter
std::stringstream stream{ramming_parameters};
float speed = 0.f;
@ -171,8 +174,7 @@ private:
const bool m_peters_wipe_tower = false; // sparse wipe tower inspired by Peter's post processor - not finished yet
const float Filament_Area = M_PI * 1.75f * 1.75f / 4.f; // filament area in mm^3
const float Nozzle_Diameter = 0.4f; // nozzle diameter in mm
const float Filament_Area = M_PI * 1.75f * 1.75f / 4.f; // filament area in mm^2
const float Width_To_Nozzle_Ratio = 1.25f; // desired line width (oval) in multiples of nozzle diameter - may not be actually neccessary to adjust
const float WT_EPSILON = 1e-3f;
@ -194,7 +196,7 @@ private:
float m_bridging = 0.f;
bool m_adhesion = true;
float m_perimeter_width = Nozzle_Diameter * Width_To_Nozzle_Ratio; // Width of an extrusion line, also a perimeter spacing for 100% infill.
float m_perimeter_width = 0.4 * Width_To_Nozzle_Ratio; // Width of an extrusion line, also a perimeter spacing for 100% infill.
float m_extrusion_flow = 0.038; //0.029f;// Extrusion flow is derived from m_perimeter_width, layer height and filament diameter.
@ -209,6 +211,7 @@ private:
float ramming_line_width_multiplicator = 0.f;
float ramming_step_multiplicator = 0.f;
std::vector<float> ramming_speed;
float nozzle_diameter;
};
// Extruder specific parameters.
@ -235,7 +238,7 @@ private:
{
if ( layer_height < 0 )
return m_extrusion_flow;
return layer_height * ( Width_To_Nozzle_Ratio * Nozzle_Diameter - layer_height * (1-M_PI/4.f)) / (Filament_Area);
return layer_height * ( m_perimeter_width - layer_height * (1-M_PI/4.f)) / Filament_Area;
}
// Calculates length of extrusion line to extrude given volume

13
xs/src/libslic3r/Print.cpp
View file

@ -581,6 +581,12 @@ std::string Print::validate() const
return "The Spiral Vase option can only be used when printing single material objects.";
}
if (this->config.single_extruder_multi_material) {
for (size_t i=1; i<this->config.nozzle_diameter.values.size(); ++i)
if (this->config.nozzle_diameter.values[i] != this->config.nozzle_diameter.values[i-1])
return "All extruders must have the same diameter for single extruder multimaterial printer.";
}
if (this->has_wipe_tower() && ! this->objects.empty()) {
#if 0
for (auto dmr : this->config.nozzle_diameter.values)
@ -606,10 +612,10 @@ std::string Print::validate() const
bool was_layer_height_profile_valid = object->layer_height_profile_valid;
object->update_layer_height_profile();
object->layer_height_profile_valid = was_layer_height_profile_valid;
for (size_t i = 5; i < object->layer_height_profile.size(); i += 2)
/*for (size_t i = 5; i < object->layer_height_profile.size(); i += 2)
if (object->layer_height_profile[i-1] > slicing_params.object_print_z_min + EPSILON &&
std::abs(object->layer_height_profile[i] - object->config.layer_height) > EPSILON)
return "The Wipe Tower is currently only supported with constant Z layer spacing. Layer editing is not allowed.";
return "The Wipe Tower is currently only supported with constant Z layer spacing. Layer editing is not allowed.";*/
}
}
@ -1066,7 +1072,8 @@ void Print::_make_wipe_tower()
this->config.filament_unloading_speed.get_at(i),
this->config.filament_toolchange_delay.get_at(i),
this->config.filament_cooling_time.get_at(i),
this->config.filament_ramming_parameters.get_at(i));
this->config.filament_ramming_parameters.get_at(i),
this->config.nozzle_diameter.get_at(i));
// When printing the first layer's wipe tower, the first extruder is expected to be active and primed.
// Therefore the number of wipe sections at the wipe tower will be (m_tool_ordering.front().extruders-1) at the 1st layer.