Fix of #3919 (extremely wide wipe tower with 0.35mm FAST profile)

This is an excerpt from ec86d94, which was recently reverted because
the other changes from that commit broke some functionality.
This commit is contained in:
Lukas Matena 2020-06-02 16:29:42 +02:00
parent 8ecb0bfe0e
commit ed98a859af
3 changed files with 14 additions and 5 deletions

View File

@ -94,7 +94,7 @@ ToolOrdering::ToolOrdering(const PrintObject &object, unsigned int first_extrude
// Reorder the extruders to minimize tool switches.
this->reorder_extruders(first_extruder);
this->fill_wipe_tower_partitions(object.print()->config(), object.layers().front()->print_z - object.layers().front()->height);
this->fill_wipe_tower_partitions(object.print()->config(), object.layers().front()->print_z - object.layers().front()->height, object.config().layer_height);
this->collect_extruder_statistics(prime_multi_material);
}
@ -107,6 +107,7 @@ ToolOrdering::ToolOrdering(const Print &print, unsigned int first_extruder, bool
// Initialize the print layers for all objects and all layers.
coordf_t object_bottom_z = 0.;
coordf_t max_layer_height = 0.;
{
std::vector<coordf_t> zs;
for (auto object : print.objects()) {
@ -122,6 +123,8 @@ ToolOrdering::ToolOrdering(const Print &print, unsigned int first_extruder, bool
object_bottom_z = layer->print_z - layer->height;
break;
}
max_layer_height = std::max(max_layer_height, object->config().layer_height.value);
}
this->initialize_layers(zs);
}
@ -144,7 +147,7 @@ ToolOrdering::ToolOrdering(const Print &print, unsigned int first_extruder, bool
// Reorder the extruders to minimize tool switches.
this->reorder_extruders(first_extruder);
this->fill_wipe_tower_partitions(print.config(), object_bottom_z);
this->fill_wipe_tower_partitions(print.config(), object_bottom_z, max_layer_height);
this->collect_extruder_statistics(prime_multi_material);
}
@ -318,7 +321,7 @@ void ToolOrdering::reorder_extruders(unsigned int last_extruder_id)
}
}
void ToolOrdering::fill_wipe_tower_partitions(const PrintConfig &config, coordf_t object_bottom_z)
void ToolOrdering::fill_wipe_tower_partitions(const PrintConfig &config, coordf_t object_bottom_z, coordf_t max_object_layer_height)
{
if (m_layer_tools.empty())
return;
@ -351,6 +354,10 @@ void ToolOrdering::fill_wipe_tower_partitions(const PrintConfig &config, coordf_
mlh = 0.75 * config.nozzle_diameter.values[i];
max_layer_height = std::min(max_layer_height, mlh);
}
// The Prusa3D Fast (0.35mm layer height) print profile sets a higher layer height than what is normally allowed
// by the nozzle. This is a hack and it works by increasing extrusion width. See GH #3919.
max_layer_height = std::max(max_layer_height, max_object_layer_height);
for (size_t i = 0; i + 1 < m_layer_tools.size(); ++ i) {
const LayerTools &lt = m_layer_tools[i];
const LayerTools &lt_next = m_layer_tools[i + 1];
@ -404,7 +411,7 @@ void ToolOrdering::fill_wipe_tower_partitions(const PrintConfig &config, coordf_
unsigned int j = i+1;
double last_wipe_tower_print_z = lt_next.print_z;
while (++j < m_layer_tools.size()-1 && !m_layer_tools[j].has_wipe_tower)
if (m_layer_tools[j+1].print_z - last_wipe_tower_print_z > max_layer_height) {
if (m_layer_tools[j+1].print_z - last_wipe_tower_print_z > max_layer_height + EPSILON) {
m_layer_tools[j].has_wipe_tower = true;
last_wipe_tower_print_z = m_layer_tools[j].print_z;
}

View File

@ -168,7 +168,7 @@ private:
void initialize_layers(std::vector<coordf_t> &zs);
void collect_extruders(const PrintObject &object, const std::vector<std::pair<double, unsigned int>> &per_layer_extruder_switches);
void reorder_extruders(unsigned int last_extruder_id);
void fill_wipe_tower_partitions(const PrintConfig &config, coordf_t object_bottom_z);
void fill_wipe_tower_partitions(const PrintConfig &config, coordf_t object_bottom_z, coordf_t max_layer_height);
void collect_extruder_statistics(bool prime_multi_material);
std::vector<LayerTools> m_layer_tools;

View File

@ -13,6 +13,8 @@
#include "wxExtensions.hpp"
#include "ObjectDataViewModel.hpp"
#include "libslic3r/PrintConfig.hpp"
class wxBoxSizer;
class wxBitmapComboBox;
class wxMenuItem;