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Wipe tower: remove unfinished square wipe tower option

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This commit is contained in:
Lukas Matena 2021-03-17 17:42:07 +01:00
parent 97c4c02001
commit cc7ef40e20
3 changed files with 10 additions and 60 deletions
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65
src/libslic3r/GCode/WipeTower.cpp
View file

@ -9,17 +9,6 @@
#include "BoundingBox.hpp" #include "BoundingBox.hpp"
// Experimental "Peter's wipe tower" feature was partially implemented, inspired by
// PJR's idea of alternating two perpendicular wiping directions on a square tower.
// It is probably never going to be finished, there are multiple remaining issues
// and there is probably no need to go down this way. m_peters_wipe_tower variable
// turns this on, maybe it should just be removed. Anyway, the issues are
// - layer's are not exactly square
// - variable width for higher levels
// - make sure it is not too sparse (apply max_bridge_distance and make last wipe longer)
// - enable enhanced first layer adhesion
namespace Slic3r namespace Slic3r
{ {
@ -738,7 +727,7 @@ WipeTower::ToolChangeResult WipeTower::tool_change(size_t tool)
writer.set_extrusion_flow(m_extrusion_flow) writer.set_extrusion_flow(m_extrusion_flow)
.set_z(m_z_pos) .set_z(m_z_pos)
.set_initial_tool(m_current_tool) .set_initial_tool(m_current_tool)
.set_y_shift(m_y_shift + (tool!=(unsigned int)(-1) && (m_current_shape == SHAPE_REVERSED && !m_peters_wipe_tower) ? m_layer_info->depth - m_layer_info->toolchanges_depth(): 0.f)) .set_y_shift(m_y_shift + (tool!=(unsigned int)(-1) && (m_current_shape == SHAPE_REVERSED) ? m_layer_info->depth - m_layer_info->toolchanges_depth(): 0.f))
.append(";--------------------\n" .append(";--------------------\n"
"; CP TOOLCHANGE START\n") "; CP TOOLCHANGE START\n")
.comment_with_value(" toolchange #", m_num_tool_changes + 1); // the number is zero-based .comment_with_value(" toolchange #", m_num_tool_changes + 1); // the number is zero-based
@ -773,15 +762,11 @@ WipeTower::ToolChangeResult WipeTower::tool_change(size_t tool)
if (last_change_in_layer) {// draw perimeter line if (last_change_in_layer) {// draw perimeter line
writer.set_y_shift(m_y_shift); writer.set_y_shift(m_y_shift);
if (m_peters_wipe_tower) writer.rectangle(Vec2f::Zero(), m_wipe_tower_width, m_layer_info->depth + m_perimeter_width);
writer.rectangle(Vec2f::Zero(), m_layer_info->depth + 3*m_perimeter_width, m_wipe_tower_depth); if (layer_finished()) { // no finish_layer will be called, we must wipe the nozzle
else { writer.add_wipe_point(writer.x(), writer.y())
writer.rectangle(Vec2f::Zero(), m_wipe_tower_width, m_layer_info->depth + m_perimeter_width); .add_wipe_point(writer.x()> m_wipe_tower_width / 2.f ? 0.f : m_wipe_tower_width, writer.y());
if (layer_finished()) { // no finish_layer will be called, we must wipe the nozzle
writer.add_wipe_point(writer.x(), writer.y())
.add_wipe_point(writer.x()> m_wipe_tower_width / 2.f ? 0.f : m_wipe_tower_width, writer.y());
}
} }
} }
@ -1141,7 +1126,7 @@ WipeTower::ToolChangeResult WipeTower::finish_layer()
writer.set_extrusion_flow(m_extrusion_flow) writer.set_extrusion_flow(m_extrusion_flow)
.set_z(m_z_pos) .set_z(m_z_pos)
.set_initial_tool(m_current_tool) .set_initial_tool(m_current_tool)
.set_y_shift(m_y_shift - (m_current_shape == SHAPE_REVERSED && !m_peters_wipe_tower ? m_layer_info->toolchanges_depth() : 0.f)) .set_y_shift(m_y_shift - (m_current_shape == SHAPE_REVERSED ? m_layer_info->toolchanges_depth() : 0.f))
.append(";--------------------\n" .append(";--------------------\n"
"; CP EMPTY GRID START\n") "; CP EMPTY GRID START\n")
.comment_with_value(" layer #", m_num_layer_changes + 1); .comment_with_value(" layer #", m_num_layer_changes + 1);
@ -1174,7 +1159,7 @@ WipeTower::ToolChangeResult WipeTower::finish_layer()
if (m_is_first_layer && m_adhesion) { if (m_is_first_layer && m_adhesion) {
// Extrude a dense infill at the 1st layer to improve 1st layer adhesion of the wipe tower. // Extrude a dense infill at the 1st layer to improve 1st layer adhesion of the wipe tower.
box.expand(-m_perimeter_width/2.f); box.expand(-m_perimeter_width/2.f);
int nsteps = int(floor((box.lu.y() - box.ld.y()) / (2*m_perimeter_width))); int nsteps = int(std::floor((box.lu.y() - box.ld.y()) / (2*m_perimeter_width)));
float step = (box.lu.y() - box.ld.y()) / nsteps; float step = (box.lu.y() - box.ld.y()) / nsteps;
writer.travel(box.ld - Vec2f(m_perimeter_width/2.f, m_perimeter_width/2.f)); writer.travel(box.ld - Vec2f(m_perimeter_width/2.f, m_perimeter_width/2.f));
if (nsteps >= 0) if (nsteps >= 0)
@ -1354,9 +1339,6 @@ void WipeTower::generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &
plan_tower(); plan_tower();
} }
if (m_peters_wipe_tower)
make_wipe_tower_square();
m_layer_info = m_plan.begin(); m_layer_info = m_plan.begin();
// we don't know which extruder to start with - we'll set it according to the first toolchange // we don't know which extruder to start with - we'll set it according to the first toolchange
@ -1376,12 +1358,9 @@ void WipeTower::generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &
for (auto layer : m_plan) for (auto layer : m_plan)
{ {
set_layer(layer.z,layer.height,0,layer.z == m_plan.front().z,layer.z == m_plan.back().z); set_layer(layer.z,layer.height,0,layer.z == m_plan.front().z,layer.z == m_plan.back().z);
if (m_peters_wipe_tower) m_internal_rotation += 180.f;
m_internal_rotation += 90.f;
else
m_internal_rotation += 180.f;
if (!m_peters_wipe_tower && m_layer_info->depth < m_wipe_tower_depth - m_perimeter_width) if (m_layer_info->depth < m_wipe_tower_depth - m_perimeter_width)
m_y_shift = (m_wipe_tower_depth-m_layer_info->depth-m_perimeter_width)/2.f; m_y_shift = (m_wipe_tower_depth-m_layer_info->depth-m_perimeter_width)/2.f;
for (const auto &toolchange : layer.tool_changes) for (const auto &toolchange : layer.tool_changes)
@ -1410,30 +1389,4 @@ void WipeTower::generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &
} }
} }
void WipeTower::make_wipe_tower_square()
{
const float width = m_wipe_tower_width - 3 * m_perimeter_width;
const float depth = m_wipe_tower_depth - m_perimeter_width;
// area that we actually print into is width*depth
float side = sqrt(depth * width);
m_wipe_tower_width = side + 3 * m_perimeter_width;
m_wipe_tower_depth = side + 2 * m_perimeter_width;
// For all layers, find how depth changed and update all toolchange depths
for (auto &lay : m_plan)
{
side = sqrt(lay.depth * width);
float width_ratio = width / side;
//lay.extra_spacing = width_ratio;
for (auto &tch : lay.tool_changes)
tch.required_depth *= width_ratio;
}
plan_tower(); // propagates depth downwards again (width has changed)
for (auto& lay : m_plan) // depths set, now the spacing
lay.extra_spacing = lay.depth / lay.toolchanges_depth();
}
} // namespace Slic3r } // namespace Slic3r

1
src/libslic3r/GCode/WipeTower.hpp
View file

@ -209,7 +209,6 @@ private:
SHAPE_REVERSED = -1 SHAPE_REVERSED = -1
}; };
const bool m_peters_wipe_tower = false; // sparse wipe tower inspired by Peter's post processor - not finished yet
const float Width_To_Nozzle_Ratio = 1.25f; // desired line width (oval) in multiples of nozzle diameter - may not be actually neccessary to adjust const float Width_To_Nozzle_Ratio = 1.25f; // desired line width (oval) in multiples of nozzle diameter - may not be actually neccessary to adjust
const float WT_EPSILON = 1e-3f; const float WT_EPSILON = 1e-3f;
float filament_area() const { float filament_area() const {

4
src/libslic3r/Print.cpp
View file

@ -1987,9 +1987,7 @@ void Print::_make_wipe_tower()
// Set the extruder & material properties at the wipe tower object. // Set the extruder & material properties at the wipe tower object.
for (size_t i = 0; i < number_of_extruders; ++ i) for (size_t i = 0; i < number_of_extruders; ++ i)
wipe_tower.set_extruder(i, m_config);
wipe_tower.set_extruder(
i, m_config);
m_wipe_tower_data.priming = Slic3r::make_unique<std::vector<WipeTower::ToolChangeResult>>( m_wipe_tower_data.priming = Slic3r::make_unique<std::vector<WipeTower::ToolChangeResult>>(
wipe_tower.prime((float)this->skirt_first_layer_height(), m_wipe_tower_data.tool_ordering.all_extruders(), false)); wipe_tower.prime((float)this->skirt_first_layer_height(), m_wipe_tower_data.tool_ordering.all_extruders(), false));