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Minor refactoring, actualized comments, etc.

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This commit is contained in:
Lukas Matena 2018-02-22 11:03:29 +01:00
parent 5a02bde170
commit 5f5a59328b
2 changed files with 36 additions and 32 deletions
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35
xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp
View file

@ -1193,26 +1193,32 @@ void WipeTowerPrusaMM::plan_toolchange(float z_par, float layer_height_par, unsi
{
assert(m_plan.back().z <= z_par + WT_EPSILON ); // refuses to add a layer below the last one
if (m_plan.empty() || m_plan.back().z + WT_EPSILON < z_par) // if we moved to a new layer, we'll add it to m_plan first
m_plan.push_back(WipeTowerInfo(z_par, layer_height_par));
if (brim) { // this toolchange prints brim - we must add it to m_plan, but not to count its depth
m_plan.back().tool_changes.push_back(WipeTowerInfo::ToolChange(old_tool, new_tool));
return;
}
if (old_tool==new_tool) // new layer without toolchanges - we are done
return;
// this is an actual toolchange - let's calculate depth to reserve on the wipe tower
float depth = 0.f;
float width = m_wipe_tower_width - 3*m_perimeter_width;
float length_to_extrude = volume_to_length(0.25f * std::accumulate(ramming_speed.begin(), ramming_speed.end(), 0.f),
m_line_width * ramming_line_width_multiplicator,
layer_height_par);
float depth = (int(length_to_extrude / width) + 1) * (m_line_width * ramming_line_width_multiplicator * ramming_step_multiplicator);
m_line_width * ramming_line_width_multiplicator,
layer_height_par);
depth = (int(length_to_extrude / width) + 1) * (m_line_width * ramming_line_width_multiplicator * ramming_step_multiplicator);
length_to_extrude = width*((length_to_extrude / width)-int(length_to_extrude / width)) - width;
length_to_extrude += volume_to_length(wipe_volumes[old_tool][new_tool], m_line_width, layer_height_par);
length_to_extrude = std::max(length_to_extrude,0.f);
depth += (int(length_to_extrude / width) + 1) * m_line_width;
depth *= m_extra_spacing;
if (m_plan.empty() || m_plan.back().z + WT_EPSILON < z_par) // if we moved to a new layer, we'll add it to m_plan along with the first toolchange
m_plan.push_back(WipeTowerInfo(z_par, layer_height_par));
if ( brim || old_tool != new_tool ) {
if (brim) // this toolchange prints brim, we need it in m_plan, but not to count its depth
depth = 0.f;
m_plan.back().tool_changes.push_back(WipeTowerInfo::ToolChange(old_tool, new_tool, depth));
}
depth *= m_extra_spacing;
m_plan.back().tool_changes.push_back(WipeTowerInfo::ToolChange(old_tool, new_tool, depth));
// Calculate m_wipe_tower_depth (maximum depth for all the layers) and propagate depths downwards
/*float this_layer_depth = m_plan.back().toolchanges_depth();
m_plan.back().depth = this_layer_depth;
@ -1283,6 +1289,9 @@ void WipeTowerPrusaMM::make_wipe_tower_square()
// Resulting ToolChangeResults are appended into vector "result"
void WipeTowerPrusaMM::generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &result)
{
if (m_plan.empty()) return;
else m_layer_info = m_plan.begin();
m_extra_spacing = 1.f;
plan_tower();

33
xs/src/libslic3r/GCode/WipeTowerPrusaMM.hpp
View file

@ -93,10 +93,13 @@ public:
// 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);
// Iterates through prepared m_plan, generates ToolChangeResults and appends them to "result"
void generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &result);
// Calculates depth for all layers and propagates them downwards
void plan_tower();
// Goes through m_plan and recalculates depths and width of the WT to make it exactly square - experimental
void make_wipe_tower_square();
// Switch to a next layer.
@ -115,7 +118,7 @@ public:
m_z_pos = print_z;
m_layer_height = layer_height;
m_is_first_layer = is_first_layer;
// Start counting the color changes from zero. Special case: -1 - extrude a brim first.
// Start counting the color changes from zero. Special case -1: extrude a brim first.
///m_idx_tool_change_in_layer = is_first_layer ? (unsigned int)(-1) : 0;
m_print_brim = is_first_layer;
m_depth_traversed = 0.f; // to make room for perimeter line
@ -126,14 +129,8 @@ public:
// Calculates extrusion flow from desired line width, nozzle diameter, filament diameter and layer_height
m_extrusion_flow = extrusion_flow(layer_height);
// FIXME - ideally get rid of set_layer altogether and iterate through m_plan in generate(...)
m_layer_info = nullptr;
for (auto &a : m_plan)
if ( a.z > print_z - WT_EPSILON && a.z < print_z + WT_EPSILON ) {
m_extra_spacing = a.extra_spacing;
m_layer_info = &a;
break;
}
while (!m_plan.empty() && m_layer_info->z < print_z - WT_EPSILON && m_layer_info+1!=m_plan.end())
++m_layer_info;
}
// Return the wipe tower position.
@ -159,13 +156,11 @@ public:
// On the first layer, extrude a brim around the future wipe tower first.
virtual ToolChangeResult tool_change(unsigned int new_tool, bool last_in_layer, Purpose purpose);
// Close the current wipe tower layer with a perimeter and possibly fill the unfilled space with a zig-zag.
// Fill the unfilled space with a zig-zag.
// Call this method only if layer_finished() is false.
virtual ToolChangeResult finish_layer(Purpose purpose);
// Is the current layer finished? A layer is finished if either the wipe tower is finished, or
// the wipe tower has been completely covered by the tool change extrusions,
// or the rest of the tower has been filled by a sparse infill with the finish_layer() method.
// Is the current layer finished?
virtual bool layer_finished() const {
return ( (m_is_first_layer ? m_wipe_tower_depth - m_perimeter_width : m_layer_info->depth) - WT_EPSILON < m_depth_traversed);
}
@ -219,13 +214,15 @@ private:
bool m_left_to_right = true;
float m_extra_spacing = 1.f;
float extrusion_flow(float layer_height = -1.f) const
// Calculates extrusion flow needed to produce required line width for given layer height
float extrusion_flow(float layer_height = -1.f) const // negative layer_height - return current m_extrusion_flow
{
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);
}
// 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.)));
}
@ -269,7 +266,7 @@ private:
unsigned int old_tool;
unsigned int new_tool;
float required_depth;
ToolChange(unsigned int old,unsigned int newtool,float depth) : old_tool{old}, new_tool{newtool}, required_depth{depth} {}
ToolChange(unsigned int old,unsigned int newtool,float depth=0.f) : old_tool{old}, new_tool{newtool}, required_depth{depth} {}
};
float z; // z position of the layer
float height; // layer height
@ -283,10 +280,8 @@ private:
: z{z_par}, height{layer_height_par}, depth{0}, extra_spacing{1.f} {}
};
// Stores information about all layers and toolchanges for the future wipe tower (filled by plan_toolchange(...))
std::vector<WipeTowerInfo> m_plan;
WipeTowerInfo* m_layer_info;
std::vector<WipeTowerInfo> m_plan; // Stores information about all layers and toolchanges for the future wipe tower (filled by plan_toolchange(...))
std::vector<WipeTowerInfo>::iterator m_layer_info;
// Returns gcode for wipe tower brim