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'Dontcare' extrusions now don't force a toolchange + code reorganization

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This commit is contained in:
Lukas Matena 2018-06-26 14:12:25 +02:00
parent 4dae6cbf60
commit f8388abe17
6 changed files with 259 additions and 180 deletions
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14
xs/src/libslic3r/GCode.cpp
View file

@ -764,7 +764,7 @@ void GCode::_do_export(Print &print, FILE *file, GCodePreviewData *preview_data)
}
// Extrude the layers.
for (auto &layer : layers_to_print) {
const ToolOrdering::LayerTools &layer_tools = tool_ordering.tools_for_layer(layer.first);
const LayerTools &layer_tools = tool_ordering.tools_for_layer(layer.first);
if (m_wipe_tower && layer_tools.has_wipe_tower)
m_wipe_tower->next_layer();
this->process_layer(file, print, layer.second, layer_tools, size_t(-1));
@ -1009,7 +1009,7 @@ void GCode::process_layer(
const Print &print,
// Set of object & print layers of the same PrintObject and with the same print_z.
const std::vector<LayerToPrint> &layers,
const ToolOrdering::LayerTools &layer_tools,
const LayerTools &layer_tools,
// If set to size_t(-1), then print all copies of all objects.
// Otherwise print a single copy of a single object.
const size_t single_object_idx)
@ -1239,18 +1239,20 @@ void GCode::process_layer(
continue;
// This extrusion is part of certain Region, which tells us which extruder should be used for it:
int correct_extruder_id = get_extruder(fill, region); entity_type=="infills" ? std::max<int>(0, (is_solid_infill(fill->entities.front()->role()) ? region.config.solid_infill_extruder : region.config.infill_extruder) - 1) :
int correct_extruder_id = get_extruder(*fill, region); entity_type=="infills" ? std::max<int>(0, (is_solid_infill(fill->entities.front()->role()) ? region.config.solid_infill_extruder : region.config.infill_extruder) - 1) :
std::max<int>(region.config.perimeter_extruder.value - 1, 0);
// Let's recover vector of extruder overrides:
const ExtruderPerCopy* entity_overrides = const_cast<ToolOrdering::LayerTools&>(layer_tools).wiping_extrusions.get_extruder_overrides(fill, correct_extruder_id, layer_to_print.object()->_shifted_copies.size());
const ExtruderPerCopy* entity_overrides = const_cast<LayerTools&>(layer_tools).wiping_extrusions.get_extruder_overrides(fill, correct_extruder_id, layer_to_print.object()->_shifted_copies.size());
// Now we must add this extrusion into the by_extruder map, once for each extruder that will print it:
for (unsigned int extruder : layer_tools.extruders)
{
// Init by_extruder item only if we actually use the extruder:
if (std::find(entity_overrides->begin(), entity_overrides->end(), extruder) != entity_overrides->end() || // at least one copy is overridden to use this extruder
std::find(entity_overrides->begin(), entity_overrides->end(), -extruder-1) != entity_overrides->end()) // at least one copy would normally be printed with this extruder (see get_extruder_overrides function for explanation)
if (std::find(entity_overrides->begin(), entity_overrides->end(), extruder) != entity_overrides->end() || // at least one copy is overridden to use this extruder
std::find(entity_overrides->begin(), entity_overrides->end(), -extruder-1) != entity_overrides->end() || // at least one copy would normally be printed with this extruder (see get_extruder_overrides function for explanation)
(std::find(layer_tools.extruders.begin(), layer_tools.extruders.end(), correct_extruder_id) == layer_tools.extruders.end() && extruder == layer_tools.extruders.back())) // this entity is not overridden, but its extruder is not in layer_tools - we'll print it
//by last extruder on this layer (could happen e.g. when a wiping object is taller than others - dontcare extruders are eradicated from layer_tools)
{
std::vector<ObjectByExtruder::Island> &islands = object_islands_by_extruder(
by_extruder,

2
xs/src/libslic3r/GCode.hpp
View file

@ -185,7 +185,7 @@ protected:
const Print &print,
// Set of object & print layers of the same PrintObject and with the same print_z.
const std::vector<LayerToPrint> &layers,
const ToolOrdering::LayerTools &layer_tools,
const LayerTools &layer_tools,
// If set to size_t(-1), then print all copies of all objects.
// Otherwise print a single copy of a single object.
const size_t single_object_idx = size_t(-1));

194
xs/src/libslic3r/GCode/ToolOrdering.cpp
View file

@ -48,6 +48,7 @@ ToolOrdering::ToolOrdering(const PrintObject &object, unsigned int first_extrude
// (print.config.complete_objects is false).
ToolOrdering::ToolOrdering(const Print &print, unsigned int first_extruder, bool prime_multi_material)
{
m_print_config_ptr = &print.config;
// Initialize the print layers for all objects and all layers.
coordf_t object_bottom_z = 0.;
{
@ -77,9 +78,9 @@ ToolOrdering::ToolOrdering(const Print &print, unsigned int first_extruder, bool
}
ToolOrdering::LayerTools& ToolOrdering::tools_for_layer(coordf_t print_z)
LayerTools& ToolOrdering::tools_for_layer(coordf_t print_z)
{
auto it_layer_tools = std::lower_bound(m_layer_tools.begin(), m_layer_tools.end(), ToolOrdering::LayerTools(print_z - EPSILON));
auto it_layer_tools = std::lower_bound(m_layer_tools.begin(), m_layer_tools.end(), LayerTools(print_z - EPSILON));
assert(it_layer_tools != m_layer_tools.end());
coordf_t dist_min = std::abs(it_layer_tools->print_z - print_z);
for (++ it_layer_tools; it_layer_tools != m_layer_tools.end(); ++it_layer_tools) {
@ -103,7 +104,7 @@ void ToolOrdering::initialize_layers(std::vector<coordf_t> &zs)
coordf_t zmax = zs[i] + EPSILON;
for (; j < zs.size() && zs[j] <= zmax; ++ j) ;
// Assign an average print_z to the set of layers with nearly equal print_z.
m_layer_tools.emplace_back(LayerTools(0.5 * (zs[i] + zs[j-1])));
m_layer_tools.emplace_back(LayerTools(0.5 * (zs[i] + zs[j-1]), m_print_config_ptr));
i = j;
}
}
@ -135,12 +136,25 @@ void ToolOrdering::collect_extruders(const PrintObject &object)
if (layerm == nullptr)
continue;
const PrintRegion &region = *object.print()->regions[region_id];
if (! layerm->perimeters.entities.empty()) {
layer_tools.extruders.push_back(region.config.perimeter_extruder.value);
bool something_nonoverriddable = false;
for (const auto& eec : layerm->perimeters.entities) // let's check if there are nonoverriddable entities
if (!layer_tools.wiping_extrusions.is_overriddable(dynamic_cast<const ExtrusionEntityCollection&>(*eec), *m_print_config_ptr, object, region)) {
something_nonoverriddable = true;
break;
}
if (something_nonoverriddable)
layer_tools.extruders.push_back(region.config.perimeter_extruder.value);
layer_tools.has_object = true;
}
bool has_infill = false;
bool has_solid_infill = false;
bool something_nonoverriddable = false;
for (const ExtrusionEntity *ee : layerm->fills.entities) {
// fill represents infill extrusions of a single island.
const auto *fill = dynamic_cast<const ExtrusionEntityCollection*>(ee);
@ -149,19 +163,32 @@ void ToolOrdering::collect_extruders(const PrintObject &object)
has_solid_infill = true;
else if (role != erNone)
has_infill = true;
if (!something_nonoverriddable && !layer_tools.wiping_extrusions.is_overriddable(*fill, *m_print_config_ptr, object, region))
something_nonoverriddable = true;
}
if (something_nonoverriddable)
{
if (has_solid_infill)
layer_tools.extruders.push_back(region.config.solid_infill_extruder);
if (has_infill)
layer_tools.extruders.push_back(region.config.infill_extruder);
}
if (has_solid_infill)
layer_tools.extruders.push_back(region.config.solid_infill_extruder);
if (has_infill)
layer_tools.extruders.push_back(region.config.infill_extruder);
if (has_solid_infill || has_infill)
layer_tools.has_object = true;
}
}
// Sort and remove duplicates
for (LayerTools &lt : m_layer_tools)
sort_remove_duplicates(lt.extruders);
// Sort and remove duplicates, make sure that there are some tools for each object layer (e.g. tall wiping object will result in empty extruders vector)
for (auto lt_it=m_layer_tools.begin(); lt_it != m_layer_tools.end(); ++lt_it) {
sort_remove_duplicates(lt_it->extruders);
if (lt_it->extruders.empty() && lt_it->has_object)
if (lt_it != m_layer_tools.begin())
lt_it->extruders.push_back(std::prev(lt_it)->extruders.back());
else
lt_it->extruders.push_back(1);
}
}
// Reorder extruders to minimize layer changes.
@ -348,6 +375,151 @@ void WipingExtrusions::set_extruder_override(const ExtrusionEntity* entity, unsi
}
// Finds last non-soluble extruder on the layer
bool WipingExtrusions::is_last_nonsoluble_on_layer(const PrintConfig& print_config, const LayerTools& lt, unsigned int extruder) const {
for (auto extruders_it = lt.extruders.rbegin(); extruders_it != lt.extruders.rend(); ++extruders_it)
if (!print_config.filament_soluble.get_at(*extruders_it))
return (*extruders_it == extruder);
return false;
}
// Decides whether this entity could be overridden
bool WipingExtrusions::is_overriddable(const ExtrusionEntityCollection& eec, const PrintConfig& print_config, const PrintObject& object, const PrintRegion& region) const {
if ((!is_infill(eec.role()) && !object.config.wipe_into_objects) ||
((eec.role() == erTopSolidInfill || eec.role() == erGapFill) && !object.config.wipe_into_objects) ||
(is_infill(eec.role()) && !region.config.wipe_into_infill) ||
(print_config.filament_soluble.get_at(get_extruder(eec, region))) )
return false;
return true;
}
// Following function iterates through all extrusions on the layer, remembers those that could be used for wiping after toolchange
// and returns volume that is left to be wiped on the wipe tower.
float WipingExtrusions::mark_wiping_extrusions(const Print& print, const LayerTools& layer_tools, unsigned int new_extruder, float volume_to_wipe)
{
const float min_infill_volume = 0.f; // ignore infill with smaller volume than this
if (print.config.filament_soluble.get_at(new_extruder))
return volume_to_wipe; // Soluble filament cannot be wiped in a random infill
bool last_nonsoluble = is_last_nonsoluble_on_layer(print.config, layer_tools, new_extruder);
// we will sort objects so that dedicated for wiping are at the beginning:
PrintObjectPtrs object_list = print.objects;
std::sort(object_list.begin(), object_list.end(), [](const PrintObject* a, const PrintObject* b) { return a->config.wipe_into_objects; });
// We will now iterate through
// - first the dedicated objects to mark perimeters or infills (depending on infill_first)
// - second through the dedicated ones again to mark infills or perimeters (depending on infill_first)
// - then all the others to mark infills (in case that !infill_first, we must also check that the perimeter is finished already
// this is controlled by the following variable:
bool perimeters_done = false;
for (int i=0 ; i<(int)object_list.size() ; ++i) {
const auto& object = object_list[i];
if (!perimeters_done && (i+1==(int)object_list.size() || !object_list[i]->config.wipe_into_objects)) { // we passed the last dedicated object in list
perimeters_done = true;
i=-1; // let's go from the start again
continue;
}
// Finds this layer:
auto this_layer_it = std::find_if(object->layers.begin(), object->layers.end(), [&layer_tools](const Layer* lay) { return std::abs(layer_tools.print_z - lay->print_z)<EPSILON; });
if (this_layer_it == object->layers.end())
continue;
const Layer* this_layer = *this_layer_it;
unsigned int num_of_copies = object->_shifted_copies.size();
for (unsigned int copy = 0; copy < num_of_copies; ++copy) { // iterate through copies first, so that we mark neighbouring infills to minimize travel moves
for (size_t region_id = 0; region_id < object->print()->regions.size(); ++ region_id) {
const auto& region = *object->print()->regions[region_id];
if (!region.config.wipe_into_infill && !object->config.wipe_into_objects)
continue;
if (((!print.config.infill_first ? perimeters_done : !perimeters_done) || !object->config.wipe_into_objects) && region.config.wipe_into_infill) {
const ExtrusionEntityCollection& eec = this_layer->regions[region_id]->fills;
for (const ExtrusionEntity* ee : eec.entities) { // iterate through all infill Collections
auto* fill = dynamic_cast<const ExtrusionEntityCollection*>(ee);
if (fill->role() == erTopSolidInfill || fill->role() == erGapFill) // these cannot be changed - such infill is / may be visible
continue;
// What extruder would this normally be printed with?
unsigned int correct_extruder = get_extruder(*fill, region);
bool force_override = false;
// If the extruder is not in layer tools - we MUST override it. This happens whenever all extrusions, that would normally
// be printed with this extruder on this layer are "dont care" (part of infill/perimeter wiping):
if (last_nonsoluble && std::find(layer_tools.extruders.begin(), layer_tools.extruders.end(), correct_extruder) == layer_tools.extruders.end())
force_override = true;
if (!force_override && volume_to_wipe<=0)
continue;
if (!is_overriddable(*fill, print.config, *object, region))
continue;
if (!object->config.wipe_into_objects && !print.config.infill_first && !force_override) {
// In this case we must check that the original extruder is used on this layer before the one we are overridding
// (and the perimeters will be finished before the infill is printed):
if ((!print.config.infill_first && region.config.wipe_into_infill)) {
bool unused_yet = false;
for (unsigned i = 0; i < layer_tools.extruders.size(); ++i) {
if (layer_tools.extruders[i] == new_extruder)
unused_yet = true;
if (layer_tools.extruders[i] == correct_extruder)
break;
}
if (unused_yet)
continue;
}
}
if (force_override || (!is_entity_overridden(fill, copy) && fill->total_volume() > min_infill_volume)) { // this infill will be used to wipe this extruder
set_extruder_override(fill, copy, new_extruder, num_of_copies);
volume_to_wipe -= fill->total_volume();
}
}
}
if (object->config.wipe_into_objects && (print.config.infill_first ? perimeters_done : !perimeters_done))
{
const ExtrusionEntityCollection& eec = this_layer->regions[region_id]->perimeters;
for (const ExtrusionEntity* ee : eec.entities) { // iterate through all perimeter Collections
auto* fill = dynamic_cast<const ExtrusionEntityCollection*>(ee);
// What extruder would this normally be printed with?
unsigned int correct_extruder = get_extruder(*fill, region);
bool force_override = false;
if (last_nonsoluble && std::find(layer_tools.extruders.begin(), layer_tools.extruders.end(), correct_extruder) == layer_tools.extruders.end())
force_override = true;
if (!force_override && volume_to_wipe<=0)
continue;
if (!is_overriddable(*fill, print.config, *object, region))
continue;
if (force_override || (!is_entity_overridden(fill, copy) && fill->total_volume() > min_infill_volume)) {
set_extruder_override(fill, copy, new_extruder, num_of_copies);
volume_to_wipe -= fill->total_volume();
}
}
}
}
}
}
return std::max(0.f, volume_to_wipe);
}
// Following function is called from process_layer and returns pointer to vector with information about which extruders should be used for given copy of this entity.
// It first makes sure the pointer is valid (creates the vector if it does not exist) and contains a record for each copy

106
xs/src/libslic3r/GCode/ToolOrdering.hpp
View file

@ -9,6 +9,8 @@ namespace Slic3r {
class Print;
class PrintObject;
class LayerTools;
// Object of this class holds information about whether an extrusion is printed immediately
@ -16,65 +18,74 @@ class PrintObject;
// of several copies - this has to be taken into account.
class WipingExtrusions
{
public:
public:
bool is_anything_overridden() const { // if there are no overrides, all the agenda can be skipped - this function can tell us if that's the case
return something_overridden;
}
// This is called from GCode::process_layer - see implementation for further comments:
const std::vector<int>* get_extruder_overrides(const ExtrusionEntity* entity, int correct_extruder_id, int num_of_copies);
// This function goes through all infill entities, decides which ones will be used for wiping and
// marks them by the extruder id. Returns volume that remains to be wiped on the wipe tower:
float mark_wiping_extrusions(const Print& print, const LayerTools& layer_tools, unsigned int new_extruder, float volume_to_wipe);
bool is_overriddable(const ExtrusionEntityCollection& ee, const PrintConfig& print_config, const PrintObject& object, const PrintRegion& region) const;
private:
bool is_last_nonsoluble_on_layer(const PrintConfig& print_config, const LayerTools& lt, unsigned int extruder) const;
// This function is called from mark_wiping_extrusions and sets extruder that it should be printed with (-1 .. as usual)
void set_extruder_override(const ExtrusionEntity* entity, unsigned int copy_id, int extruder, unsigned int num_of_copies);
// Returns true in case that entity is not printed with its usual extruder for a given copy:
bool is_entity_overridden(const ExtrusionEntity* entity, int copy_id) const {
return (entity_map.find(entity) == entity_map.end() ? false : entity_map.at(entity).at(copy_id) != -1);
}
// This function is called from Print::mark_wiping_extrusions and sets extruder that it should be printed with (-1 .. as usual)
void set_extruder_override(const ExtrusionEntity* entity, unsigned int copy_id, int extruder, unsigned int num_of_copies);
// This is called from GCode::process_layer - see implementation for further comments:
const std::vector<int>* get_extruder_overrides(const ExtrusionEntity* entity, int correct_extruder_id, int num_of_copies);
private:
std::map<const ExtrusionEntity*, std::vector<int>> entity_map; // to keep track of who prints what
bool something_overridden = false;
};
class ToolOrdering
class LayerTools
{
public:
struct LayerTools
{
LayerTools(const coordf_t z) :
print_z(z),
has_object(false),
has_support(false),
has_wipe_tower(false),
wipe_tower_partitions(0),
wipe_tower_layer_height(0.) {}
LayerTools(const coordf_t z, const PrintConfig* print_config_ptr = nullptr) :
print_z(z),
has_object(false),
has_support(false),
has_wipe_tower(false),
wipe_tower_partitions(0),
wipe_tower_layer_height(0.) {}
bool operator< (const LayerTools &rhs) const { return print_z < rhs.print_z; }
bool operator==(const LayerTools &rhs) const { return print_z == rhs.print_z; }
bool operator< (const LayerTools &rhs) const { return print_z - EPSILON < rhs.print_z; }
bool operator==(const LayerTools &rhs) const { return std::abs(print_z - rhs.print_z) < EPSILON; }
coordf_t print_z;
bool has_object;
bool has_support;
// Zero based extruder IDs, ordered to minimize tool switches.
std::vector<unsigned int> extruders;
// Will there be anything extruded on this layer for the wipe tower?
// Due to the support layers possibly interleaving the object layers,
// wipe tower will be disabled for some support only layers.
bool has_wipe_tower;
// Number of wipe tower partitions to support the required number of tool switches
// and to support the wipe tower partitions above this one.
size_t wipe_tower_partitions;
coordf_t wipe_tower_layer_height;
coordf_t print_z;
bool has_object;
bool has_support;
// Zero based extruder IDs, ordered to minimize tool switches.
std::vector<unsigned int> extruders;
// Will there be anything extruded on this layer for the wipe tower?
// Due to the support layers possibly interleaving the object layers,
// wipe tower will be disabled for some support only layers.
bool has_wipe_tower;
// Number of wipe tower partitions to support the required number of tool switches
// and to support the wipe tower partitions above this one.
size_t wipe_tower_partitions;
coordf_t wipe_tower_layer_height;
// This object holds list of extrusion that will be used for extruder wiping
WipingExtrusions wiping_extrusions;
};
// This holds list of extrusion that will be used for extruder wiping
WipingExtrusions wiping_extrusions;
};
class ToolOrdering
{
public:
ToolOrdering() {}
// For the use case when each object is printed separately
@ -114,17 +125,22 @@ private:
void collect_extruders(const PrintObject &object);
void reorder_extruders(unsigned int last_extruder_id);
void fill_wipe_tower_partitions(const PrintConfig &config, coordf_t object_bottom_z);
void collect_extruder_statistics(bool prime_multi_material);
void collect_extruder_statistics(bool prime_multi_material);
std::vector<LayerTools> m_layer_tools;
// First printing extruder, including the multi-material priming sequence.
unsigned int m_first_printing_extruder = (unsigned int)-1;
// Final printing extruder.
unsigned int m_last_printing_extruder = (unsigned int)-1;
// All extruders, which extrude some material over m_layer_tools.
std::vector<unsigned int> m_all_printing_extruders;
std::vector<LayerTools> m_layer_tools;
// First printing extruder, including the multi-material priming sequence.
unsigned int m_first_printing_extruder = (unsigned int)-1;
// Final printing extruder.
unsigned int m_last_printing_extruder = (unsigned int)-1;
// All extruders, which extrude some material over m_layer_tools.
std::vector<unsigned int> m_all_printing_extruders;
const PrintConfig* m_print_config_ptr = nullptr;
};
} // namespace SLic3r
#endif /* slic3r_ToolOrdering_hpp_ */

113
xs/src/libslic3r/Print.cpp
View file

@ -1064,7 +1064,7 @@ void Print::_make_wipe_tower()
size_t idx_end = m_tool_ordering.layer_tools().size();
// Find the first wipe tower layer, which does not have a counterpart in an object or a support layer.
for (size_t i = 0; i < idx_end; ++ i) {
const ToolOrdering::LayerTools &lt = m_tool_ordering.layer_tools()[i];
const LayerTools &lt = m_tool_ordering.layer_tools()[i];
if (lt.has_wipe_tower && ! lt.has_object && ! lt.has_support) {
idx_begin = i;
break;
@ -1078,7 +1078,7 @@ void Print::_make_wipe_tower()
for (; it_layer != it_end && (*it_layer)->print_z - EPSILON < wipe_tower_new_layer_print_z_first; ++ it_layer);
// Find the stopper of the sequence of wipe tower layers, which do not have a counterpart in an object or a support layer.
for (size_t i = idx_begin; i < idx_end; ++ i) {
ToolOrdering::LayerTools &lt = const_cast<ToolOrdering::LayerTools&>(m_tool_ordering.layer_tools()[i]);
LayerTools &lt = const_cast<LayerTools&>(m_tool_ordering.layer_tools()[i]);
if (! (lt.has_wipe_tower && ! lt.has_object && ! lt.has_support))
break;
lt.has_support = true;
@ -1137,7 +1137,7 @@ void Print::_make_wipe_tower()
float volume_to_wipe = wipe_volumes[current_extruder_id][extruder_id]; // total volume to wipe after this toolchange
if (!first_layer) // unless we're on the first layer, try to assign some infills/objects for the wiping:
volume_to_wipe = mark_wiping_extrusions(layer_tools, extruder_id, wipe_volumes[current_extruder_id][extruder_id]);
volume_to_wipe = layer_tools.wiping_extrusions.mark_wiping_extrusions(*this, layer_tools, extruder_id, wipe_volumes[current_extruder_id][extruder_id]);
wipe_tower.plan_toolchange(layer_tools.print_z, layer_tools.wipe_tower_layer_height, current_extruder_id, extruder_id, first_layer && extruder_id == m_tool_ordering.all_extruders().back(), volume_to_wipe);
current_extruder_id = extruder_id;
@ -1173,114 +1173,7 @@ void Print::_make_wipe_tower()
}
// Following function iterates through all extrusions on the layer, remembers those that could be used for wiping after toolchange
// and returns volume that is left to be wiped on the wipe tower.
float Print::mark_wiping_extrusions(ToolOrdering::LayerTools& layer_tools, unsigned int new_extruder, float volume_to_wipe)
{
const float min_infill_volume = 0.f; // ignore infill with smaller volume than this
if (config.filament_soluble.get_at(new_extruder))
return volume_to_wipe; // Soluble filament cannot be wiped in a random infill
PrintObjectPtrs object_list = objects;
// sort objects so that dedicated for wiping are at the beginning:
std::sort(object_list.begin(), object_list.end(), [](const PrintObject* a, const PrintObject* b) { return a->config.wipe_into_objects; });
// We will now iterate through objects
// - first through the dedicated ones to mark perimeters or infills (depending on infill_first)
// - second through the dedicated ones again to mark infills or perimeters (depending on infill_first)
// - then for the others to mark infills
// this is controlled by the following variable:
bool perimeters_done = false;
for (int i=0 ; i<(int)object_list.size() ; ++i) { // Let's iterate through all objects...
const auto& object = object_list[i];
if (!perimeters_done && (i+1==object_list.size() || !object_list[i]->config.wipe_into_objects)) { // we passed the last dedicated object in list
perimeters_done = true;
i=-1; // let's go from the start again
continue;
}
// Finds this layer:
auto this_layer_it = std::find_if(object->layers.begin(), object->layers.end(), [&layer_tools](const Layer* lay) { return std::abs(layer_tools.print_z - lay->print_z)<EPSILON; });
if (this_layer_it == object->layers.end())
continue;
const Layer* this_layer = *this_layer_it;
unsigned int num_of_copies = object->_shifted_copies.size();
for (unsigned int copy = 0; copy < num_of_copies; ++copy) { // iterate through copies first, so that we mark neighbouring infills to minimize travel moves
for (size_t region_id = 0; region_id < object->print()->regions.size(); ++ region_id) {
const auto& region = *object->print()->regions[region_id];
if (!region.config.wipe_into_infill && !object->config.wipe_into_objects)
continue;
if (((!config.infill_first ? perimeters_done : !perimeters_done) || !object->config.wipe_into_objects) && region.config.wipe_into_infill) {
ExtrusionEntityCollection& eec = this_layer->regions[region_id]->fills;
for (ExtrusionEntity* ee : eec.entities) { // iterate through all infill Collections
if (volume_to_wipe <= 0.f)
return 0.f;
auto* fill = dynamic_cast<ExtrusionEntityCollection*>(ee);
if (fill->role() == erTopSolidInfill || fill->role() == erGapFill) // these cannot be changed - such infill is / may be visible
continue;
// What extruder would this normally be printed with?
unsigned int correct_extruder = get_extruder(fill, region);
if (config.filament_soluble.get_at(correct_extruder)) // if this entity is meant to be soluble, keep it that way
continue;
if (!object->config.wipe_into_objects && !config.infill_first) {
// In this case we must check that the original extruder is used on this layer before the one we are overridding
// (and the perimeters will be finished before the infill is printed):
if (!config.infill_first && region.config.wipe_into_infill) {
bool unused_yet = false;
for (unsigned i = 0; i < layer_tools.extruders.size(); ++i) {
if (layer_tools.extruders[i] == new_extruder)
unused_yet = true;
if (layer_tools.extruders[i] == correct_extruder)
break;
}
if (unused_yet)
continue;
}
}
if (!layer_tools.wiping_extrusions.is_entity_overridden(fill, copy) && fill->total_volume() > min_infill_volume) { // this infill will be used to wipe this extruder
layer_tools.wiping_extrusions.set_extruder_override(fill, copy, new_extruder, num_of_copies);
volume_to_wipe -= fill->total_volume();
}
}
}
if (object->config.wipe_into_objects && (config.infill_first ? perimeters_done : !perimeters_done))
{
ExtrusionEntityCollection& eec = this_layer->regions[region_id]->perimeters;
for (ExtrusionEntity* ee : eec.entities) { // iterate through all perimeter Collections
if (volume_to_wipe <= 0.f)
return 0.f;
auto* fill = dynamic_cast<ExtrusionEntityCollection*>(ee);
// What extruder would this normally be printed with?
unsigned int correct_extruder = get_extruder(fill, region);
if (config.filament_soluble.get_at(correct_extruder)) // if this entity is meant to be soluble, keep it that way
continue;
if (!layer_tools.wiping_extrusions.is_entity_overridden(fill, copy) && fill->total_volume() > min_infill_volume) {
layer_tools.wiping_extrusions.set_extruder_override(fill, copy, new_extruder, num_of_copies);
volume_to_wipe -= fill->total_volume();
}
}
}
}
}
}
return std::max(0.f, volume_to_wipe);
}
std::string Print::output_filename()

10
xs/src/libslic3r/Print.hpp
View file

@ -318,19 +318,15 @@ private:
bool invalidate_state_by_config_options(const std::vector<t_config_option_key> &opt_keys);
PrintRegionConfig _region_config_from_model_volume(const ModelVolume &volume);
// This function goes through all infill entities, decides which ones will be used for wiping and
// marks them by the extruder id. Returns volume that remains to be wiped on the wipe tower:
float mark_wiping_extrusions(ToolOrdering::LayerTools& layer_tools, unsigned int new_extruder, float volume_to_wipe);
// Has the calculation been canceled?
tbb::atomic<bool> m_canceled;
};
// Returns extruder this eec should be printed with, according to PrintRegion config
static int get_extruder(const ExtrusionEntityCollection* fill, const PrintRegion &region) {
return is_infill(fill->role()) ? std::max<int>(0, (is_solid_infill(fill->entities.front()->role()) ? region.config.solid_infill_extruder : region.config.infill_extruder) - 1) :
std::max<int>(region.config.perimeter_extruder.value - 1, 0);
static int get_extruder(const ExtrusionEntityCollection& fill, const PrintRegion &region) {
return is_infill(fill.role()) ? std::max<int>(0, (is_solid_infill(fill.entities.front()->role()) ? region.config.solid_infill_extruder : region.config.infill_extruder) - 1) :
std::max<int>(region.config.perimeter_extruder.value - 1, 0);
}