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Wipe tower changes to reduce wiping volumes where appropriate

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This commit is contained in:
Lukas Matena
2018-05-24 17:24:37 +02:00
parent 95795f249a
commit 132a67edb2
4 changed files with 57 additions and 92 deletions
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22
xs/src/libslic3r/GCode/WipeTowerPrusaMM.hpp
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@@ -44,7 +44,7 @@ public:
// wipe_area -- space available for one toolchange in mm
WipeTowerPrusaMM(float x, float y, float width, float rotation_angle, float cooling_tube_retraction,
float cooling_tube_length, float parking_pos_retraction, float extra_loading_move, float bridging,
const std::vector<float>& wiping_matrix, unsigned int initial_tool) :
const std::vector<std::vector<float>>& wiping_matrix, unsigned int initial_tool) :
m_wipe_tower_pos(x, y),
m_wipe_tower_width(width),
m_wipe_tower_rotation_angle(rotation_angle),
@@ -56,12 +56,9 @@ public:
m_parking_pos_retraction(parking_pos_retraction),
m_extra_loading_move(extra_loading_move),
m_bridging(bridging),
m_current_tool(initial_tool)
{
unsigned int number_of_extruders = (unsigned int)(sqrt(wiping_matrix.size())+WT_EPSILON);
for (unsigned int i = 0; i<number_of_extruders; ++i)
wipe_volumes.push_back(std::vector<float>(wiping_matrix.begin()+i*number_of_extruders,wiping_matrix.begin()+(i+1)*number_of_extruders));
}
m_current_tool(initial_tool),
wipe_volumes(wiping_matrix)
{}
virtual ~WipeTowerPrusaMM() {}
@@ -99,7 +96,7 @@ public:
// Appends into internal structure m_plan containing info about the future wipe tower
// to be used before building begins. The entries must be added ordered in z.
void plan_toolchange(float z_par, float layer_height_par, unsigned int old_tool, unsigned int new_tool, bool brim);
void plan_toolchange(float z_par, float layer_height_par, unsigned int old_tool, unsigned int new_tool, bool brim, float wiping_volume_reduction = 0.f);
// Iterates through prepared m_plan, generates ToolChangeResults and appends them to "result"
void generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &result);
@@ -238,7 +235,7 @@ private:
// A fill-in direction (positive Y, negative Y) alternates with each layer.
wipe_shape m_current_shape = SHAPE_NORMAL;
unsigned int m_current_tool = 0;
std::vector<std::vector<float>> wipe_volumes;
const std::vector<std::vector<float>> wipe_volumes;
float m_depth_traversed = 0.f; // Current y position at the wipe tower.
bool m_left_to_right = true;
@@ -255,7 +252,7 @@ private:
// Calculates length of extrusion line to extrude given volume
float volume_to_length(float volume, float line_width, float layer_height) const {
return volume / (layer_height * (line_width - layer_height * (1. - M_PI / 4.)));
return std::max(0., volume / (layer_height * (line_width - layer_height * (1. - M_PI / 4.))));
}
// Calculates depth for all layers and propagates them downwards
@@ -308,8 +305,9 @@ private:
float required_depth;
float ramming_depth;
float first_wipe_line;
ToolChange(unsigned int old,unsigned int newtool,float depth=0.f,float ramming_depth=0.f,float fwl=0.f)
: old_tool{old}, new_tool{newtool}, required_depth{depth}, ramming_depth{ramming_depth},first_wipe_line{fwl} {}
float wipe_volume;
ToolChange(unsigned int old, unsigned int newtool, float depth=0.f, float ramming_depth=0.f, float fwl=0.f, float wv=0.f)
: old_tool{old}, new_tool{newtool}, required_depth{depth}, ramming_depth{ramming_depth}, first_wipe_line{fwl}, wipe_volume{wv} {}
};
float z; // z position of the layer
float height; // layer height