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Fixed an extruder ordering bug on the 1st layer wipe tower.

Browse source 
This is a regression after introducing the extruder priming areas
at the edge of the print bed.
This commit is contained in:
bubnikv 2017-12-03 09:43:00 +01:00
parent 73a539780a
commit 16bd3fc624
5 changed files with 13 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

4
xs/src/libslic3r/GCode/ToolOrdering.hpp
View file

@ -53,14 +53,14 @@ public:
void clear() { m_layer_tools.clear(); }
// Get the first extruder printing the layer_tools, returns -1 if there is no layer printed.
// Get the first extruder printing, including the extruder priming areas, returns -1 if there is no layer printed.
unsigned int first_extruder() const { return m_first_printing_extruder; }
// Get the first extruder printing the layer_tools, returns -1 if there is no layer printed.
unsigned int last_extruder() const { return m_last_printing_extruder; }
// For a multi-material print, the printing extruders are ordered in the order they shall be primed.
std::vector<unsigned int> all_extruders() const { return m_all_printing_extruders; }
const std::vector<unsigned int>& all_extruders() const { return m_all_printing_extruders; }
// Find LayerTools with the closest print_z.
LayerTools& tools_for_layer(coordf_t print_z);

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

@ -109,7 +109,7 @@ public:
// print_z of the first layer.
float first_layer_height,
// Extruder indices, in the order to be primed. The last extruder will later print the wipe tower brim, print brim and the object.
std::vector<unsigned int> tools,
const std::vector<unsigned int> &tools,
// If true, the last priming are will be the same as the other priming areas, and the rest of the wipe will be performed inside the wipe tower.
// If false, the last priming are will be large enough to wipe the last extruder sufficiently.
bool last_wipe_inside_wipe_tower,

2
xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp
View file

@ -368,7 +368,7 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::prime(
// print_z of the first layer.
float first_layer_height,
// Extruder indices, in the order to be primed. The last extruder will later print the wipe tower brim, print brim and the object.
std::vector<unsigned int> tools,
const std::vector<unsigned int> &tools,
// If true, the last priming are will be the same as the other priming areas, and the rest of the wipe will be performed inside the wipe tower.
// If false, the last priming are will be large enough to wipe the last extruder sufficiently.
bool last_wipe_inside_wipe_tower,

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

@ -112,7 +112,7 @@ public:
// print_z of the first layer.
float first_layer_height,
// Extruder indices, in the order to be primed. The last extruder will later print the wipe tower brim, print brim and the object.
std::vector<unsigned int> tools,
const std::vector<unsigned int> &tools,
// If true, the last priming are will be the same as the other priming areas, and the rest of the wipe will be performed inside the wipe tower.
// If false, the last priming are will be large enough to wipe the last extruder sufficiently.
bool last_wipe_inside_wipe_tower,

12
xs/src/libslic3r/Print.cpp
View file

@ -974,7 +974,6 @@ void Print::_make_wipe_tower()
// Let the ToolOrdering class know there will be initial priming extrusions at the start of the print.
m_tool_ordering = ToolOrdering(*this, (unsigned int)-1, true);
unsigned int initial_extruder_id = m_tool_ordering.first_extruder();
if (! m_tool_ordering.has_wipe_tower())
// Don't generate any wipe tower.
return;
@ -983,7 +982,7 @@ void Print::_make_wipe_tower()
WipeTowerPrusaMM wipe_tower(
float(this->config.wipe_tower_x.value), float(this->config.wipe_tower_y.value),
float(this->config.wipe_tower_width.value), float(this->config.wipe_tower_per_color_wipe.value),
initial_extruder_id);
m_tool_ordering.first_extruder());
//wipe_tower.set_retract();
//wipe_tower.set_zhop();
@ -1006,7 +1005,8 @@ void Print::_make_wipe_tower()
// Generate the wipe tower layers.
m_wipe_tower_tool_changes.reserve(m_tool_ordering.layer_tools().size());
unsigned int current_extruder_id = initial_extruder_id;
// Set current_extruder_id to the last extruder primed.
unsigned int current_extruder_id = m_tool_ordering.all_extruders().back();
for (const ToolOrdering::LayerTools &layer_tools : m_tool_ordering.layer_tools()) {
if (! layer_tools.has_wipe_tower)
// This is a support only layer, or the wipe tower does not reach to this height.
@ -1021,7 +1021,11 @@ void Print::_make_wipe_tower()
last_layer);
std::vector<WipeTower::ToolChangeResult> tool_changes;
for (unsigned int extruder_id : layer_tools.extruders)
if ((first_layer && extruder_id == initial_extruder_id) || extruder_id != current_extruder_id) {
// Call the wipe_tower.tool_change() at the first layer for the initial extruder
// to extrude the wipe tower brim,
if ((first_layer && extruder_id == m_tool_ordering.all_extruders().back()) ||
// or when an extruder shall be switched.
extruder_id != current_extruder_id) {
tool_changes.emplace_back(wipe_tower.tool_change(extruder_id, extruder_id == layer_tools.extruders.back(), WipeTower::PURPOSE_EXTRUDE));
current_extruder_id = extruder_id;
}