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FIX: delete unnecessary travel of wipe tower 

STUDIO-2203

Change-Id: Ic55030a09f66a789245f80096e8f3ffea73a904f
This commit is contained in:
zhimin.zeng 2023-03-27 17:00:55 +08:00 committed by Lane.Wei
parent cf6077fe7d
commit ad80943c69
1 changed files with 52 additions and 8 deletions
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60
src/libslic3r/GCode/WipeTower.cpp
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@ -30,6 +30,35 @@ inline float align_floor(float value, float base)
return std::floor((value) / base) * base;
}
static bool is_valid_gcode(const std::string &gcode)
{
int str_size = gcode.size();
int start_index = 0;
int end_index = 0;
bool is_valid = false;
while (end_index < str_size) {
if (gcode[end_index] != '\n') {
end_index++;
continue;
}
if (end_index > start_index) {
std::string line_str = gcode.substr(start_index, end_index - start_index);
line_str.erase(0, line_str.find_first_not_of(" "));
line_str.erase(line_str.find_last_not_of(" ") + 1);
if (!line_str.empty() && line_str[0] != ';') {
is_valid = true;
break;
}
}
start_index = end_index + 1;
end_index = start_index;
}
return is_valid;
}
class WipeTowerWriter
{
public:
@ -1085,7 +1114,8 @@ void WipeTower::toolchange_Wipe(
x_to_wipe -= (xr - xl);
if (x_to_wipe < WT_EPSILON) {
writer.travel(m_left_to_right ? xl + 1.5f*m_perimeter_width : xr - 1.5f*m_perimeter_width, writer.y(), 7200);
// BBS: Delete some unnecessary travel
//writer.travel(m_left_to_right ? xl + 1.5f*m_perimeter_width : xr - 1.5f*m_perimeter_width, writer.y(), 7200);
break;
}
// stepping to the next line:
@ -1097,9 +1127,12 @@ void WipeTower::toolchange_Wipe(
// We may be going back to the model - wipe the nozzle. If this is followed
// by finish_layer, this wipe path will be overwritten.
//writer.add_wipe_point(writer.x(), writer.y())
// .add_wipe_point(writer.x(), writer.y() - dy)
// .add_wipe_point(! m_left_to_right ? m_wipe_tower_width : 0.f, writer.y() - dy);
// BBS: modify the wipe_path after toolchange
writer.add_wipe_point(writer.x(), writer.y())
.add_wipe_point(writer.x(), writer.y() - dy)
.add_wipe_point(! m_left_to_right ? m_wipe_tower_width : 0.f, writer.y() - dy);
.add_wipe_point(! m_left_to_right ? m_wipe_tower_width : 0.f, writer.y());
if (m_layer_info != m_plan.end() && m_current_tool != m_layer_info->tool_changes.back().new_tool)
m_left_to_right = !m_left_to_right;
@ -1167,13 +1200,15 @@ WipeTower::ToolChangeResult WipeTower::finish_layer(bool extrude_perimeter, bool
writer.rectangle_fill_box(this, fill_box.ld, fill_box.rd.x() - fill_box.ld.x(), fill_box.ru.y() - fill_box.rd.y(), feedrate);
// we are in one of the corners, travel to ld along the perimeter:
if (writer.x() > fill_box.ld.x() + EPSILON) writer.travel(fill_box.ld.x(), writer.y());
if (writer.y() > fill_box.ld.y() + EPSILON) writer.travel(writer.x(), fill_box.ld.y());
// BBS: Delete some unnecessary travel
//if (writer.x() > fill_box.ld.x() + EPSILON) writer.travel(fill_box.ld.x(), writer.y());
//if (writer.y() > fill_box.ld.y() + EPSILON) writer.travel(writer.x(), fill_box.ld.y());
// Extrude infill to support the material to be printed above.
const float dy = (fill_box.lu.y() - fill_box.ld.y() - m_perimeter_width);
float left = fill_box.lu.x() + 2*m_perimeter_width;
float right = fill_box.ru.x() - 2 * m_perimeter_width;
std::vector<Vec2f> finish_rect_wipe_path;
if (extruder_fill && dy > m_perimeter_width)
{
writer.travel(fill_box.ld + Vec2f(m_perimeter_width * 2, 0.f))
@ -1221,6 +1256,9 @@ WipeTower::ToolChangeResult WipeTower::finish_layer(bool extrude_perimeter, bool
writer.travel(x,writer.y());
writer.extrude(x,i%2 ? fill_box.rd.y() : fill_box.ru.y());
}
// BBS: add wipe_path for this case: only with finish rectangle
finish_rect_wipe_path.emplace_back(writer.pos());
finish_rect_wipe_path.emplace_back(Vec2f(left + dx * n, n % 2 ? fill_box.ru.y() : fill_box.rd.y()));
}
writer.append("; CP EMPTY GRID END\n"
@ -1274,6 +1312,11 @@ WipeTower::ToolChangeResult WipeTower::finish_layer(bool extrude_perimeter, bool
(writer.pos() == wt_box.rd ? wt_box.ru :
(writer.pos() == wt_box.ru ? wt_box.lu :
wt_box.ld)));
// BBS: add wipe_path for this case: only with finish rectangle
if (finish_rect_wipe_path.size() == 2 && finish_rect_wipe_path[0] == writer.pos())
target = finish_rect_wipe_path[1];
writer.add_wipe_point(writer.pos())
.add_wipe_point(target);
@ -1602,7 +1645,7 @@ void WipeTower::generate(std::vector<std::vector<WipeTower::ToolChangeResult>> &
else {
if (idx == -1)
layer_result[0] = merge_tcr(finish_layer_tcr, layer_result[0]);
else
else if (is_valid_gcode(finish_layer_tcr.gcode))
layer_result[idx] = merge_tcr(layer_result[idx], finish_layer_tcr);
}
@ -1637,8 +1680,9 @@ WipeTower::ToolChangeResult WipeTower::only_generate_out_wall()
bool toolchanges_on_layer = m_layer_info->toolchanges_depth() > WT_EPSILON;
// we are in one of the corners, travel to ld along the perimeter:
if (writer.x() > fill_box.ld.x() + EPSILON) writer.travel(fill_box.ld.x(), writer.y());
if (writer.y() > fill_box.ld.y() + EPSILON) writer.travel(writer.x(), fill_box.ld.y());
// BBS: Delete some unnecessary travel
//if (writer.x() > fill_box.ld.x() + EPSILON) writer.travel(fill_box.ld.x(), writer.y());
//if (writer.y() > fill_box.ld.y() + EPSILON) writer.travel(writer.x(), fill_box.ld.y());
// outer perimeter (always):
// BBS