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Optimized PressureAdvance

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QIDI TECH
2023-09-01 20:05:08 +08:00
parent 07e2346d8d
commit a2b2cf743e
10 changed files with 212 additions and 1459 deletions
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2
src/libslic3r/CMakeLists.txt
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@@ -35,8 +35,6 @@ set(SLIC3R_SOURCES
BuildVolume.cpp
BuildVolume.hpp
BoostAdapter.hpp
calib.cpp
calib.hpp
clipper.cpp
clipper.hpp
ClipperUtils.cpp

919
src/libslic3r/calib.cpp
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@@ -1,919 +0,0 @@
#include "calib.hpp"
#include "BoundingBox.hpp"
#include "Config.hpp"
#include "Model.hpp"
#include <cmath>
namespace Slic3r {
// Calculate the optimal Pressure Advance speed
float CalibPressureAdvance::find_optimal_PA_speed(const DynamicPrintConfig &config, double line_width, double layer_height,
int filament_idx) {
const double general_suggested_min_speed = 100.0;
double filament_max_volumetric_speed = config.option<ConfigOptionFloats>("filament_max_volumetric_speed")->get_at(0);
Flow pattern_line = Flow(line_width, layer_height, config.option<ConfigOptionFloats>("nozzle_diameter")->get_at(0));
auto pa_speed = std::min(std::max(general_suggested_min_speed,config.option<ConfigOptionFloat>("outer_wall_speed")->value), filament_max_volumetric_speed / pattern_line.mm3_per_mm());
return std::floor(pa_speed);
}
std::string CalibPressureAdvance::move_to(Vec2d pt, GCodeWriter& writer, std::string comment)
{
std::stringstream gcode;
gcode << writer.retract();
gcode << writer.travel_to_xy(pt, comment);
gcode << writer.unretract();
m_last_pos = Vec3d(pt.x(), pt.y(), 0);
return gcode.str();
}
double CalibPressureAdvance::e_per_mm(
double line_width,
double layer_height,
float nozzle_diameter,
float filament_diameter,
float print_flow_ratio
) const
{
const Flow line_flow = Flow(line_width, layer_height, nozzle_diameter);
const double filament_area = M_PI * std::pow(filament_diameter / 2, 2);
return line_flow.mm3_per_mm() / filament_area * print_flow_ratio;
}
std::string CalibPressureAdvance::convert_number_to_string(double num) const
{
auto sNumber = std::to_string(num);
sNumber.erase(sNumber.find_last_not_of('0') + 1, std::string::npos);
sNumber.erase(sNumber.find_last_not_of('.') + 1, std::string::npos);
return sNumber;
}
std::string CalibPressureAdvance::draw_digit(
double startx,
double starty,
char c,
CalibPressureAdvance::DrawDigitMode mode,
double line_width,
double e_per_mm,
GCodeWriter& writer
)
{
const double len = m_digit_segment_len;
const double gap = line_width / 2.0;
const auto dE = e_per_mm * len;
const auto two_dE = dE * 2;
Vec2d p0, p1, p2, p3, p4, p5;
Vec2d p0_5, p4_5;
Vec2d gap_p0_toward_p3, gap_p2_toward_p3;
Vec2d dot_direction;
if (mode == CalibPressureAdvance::DrawDigitMode::Bottom_To_Top) {
// 1-------2-------5
// | | |
// | | |
// 0-------3-------4
p0 = Vec2d(startx, starty);
p0_5 = Vec2d(startx, starty + len / 2);
p1 = Vec2d(startx, starty + len);
p2 = Vec2d(startx + len, starty + len);
p3 = Vec2d(startx + len, starty);
p4 = Vec2d(startx + len * 2, starty);
p4_5 = Vec2d(startx + len * 2, starty + len / 2);
p5 = Vec2d(startx + len * 2, starty + len);
gap_p0_toward_p3 = p0 + Vec2d(gap, 0);
gap_p2_toward_p3 = p2 + Vec2d(0, gap);
dot_direction = Vec2d(-len / 2, 0);
} else {
// 0-------1
// | |
// 3-------2
// | |
// 4-------5
p0 = Vec2d(startx, starty);
p0_5 = Vec2d(startx + len / 2, starty);
p1 = Vec2d(startx + len, starty);
p2 = Vec2d(startx + len, starty - len);
p3 = Vec2d(startx, starty - len);
p4 = Vec2d(startx, starty - len * 2);
p4_5 = Vec2d(startx + len / 2, starty - len * 2);
p5 = Vec2d(startx + len, starty - len * 2);
gap_p0_toward_p3 = p0 - Vec2d(0, gap);
gap_p2_toward_p3 = p2 - Vec2d(gap, 0);
dot_direction = Vec2d(0, len / 2);
}
std::stringstream gcode;
switch (c) {
case '0':
gcode << move_to(p0, writer, "Glyph: 0");
gcode << writer.extrude_to_xy(p1, dE);
gcode << writer.extrude_to_xy(p5, two_dE);
gcode << writer.extrude_to_xy(p4, dE);
gcode << writer.extrude_to_xy(gap_p0_toward_p3, two_dE);
break;
case '1':
gcode << move_to(p0_5, writer, "Glyph: 1");
gcode << writer.extrude_to_xy(p4_5, two_dE);
break;
case '2':
gcode << move_to(p0, writer, "Glyph: 2");
gcode << writer.extrude_to_xy(p1, dE);
gcode << writer.extrude_to_xy(p2, dE);
gcode << writer.extrude_to_xy(p3, dE);
gcode << writer.extrude_to_xy(p4, dE);
gcode << writer.extrude_to_xy(p5, dE);
break;
case '3':
gcode << move_to(p0, writer, "Glyph: 3");
gcode << writer.extrude_to_xy(p1, dE);
gcode << writer.extrude_to_xy(p5, two_dE);
gcode << writer.extrude_to_xy(p4, dE);
gcode << move_to(gap_p2_toward_p3, writer);
gcode << writer.extrude_to_xy(p3, dE);
break;
case '4':
gcode << move_to(p0, writer, "Glyph: 4");
gcode << writer.extrude_to_xy(p3, dE);
gcode << writer.extrude_to_xy(p2, dE);
gcode << move_to(p1, writer);
gcode << writer.extrude_to_xy(p5, two_dE);
break;
case '5':
gcode << move_to(p1, writer, "Glyph: 5");
gcode << writer.extrude_to_xy(p0, dE);
gcode << writer.extrude_to_xy(p3, dE);
gcode << writer.extrude_to_xy(p2, dE);
gcode << writer.extrude_to_xy(p5, dE);
gcode << writer.extrude_to_xy(p4, dE);
break;
case '6':
gcode << move_to(p1, writer, "Glyph: 6");
gcode << writer.extrude_to_xy(p0, dE);
gcode << writer.extrude_to_xy(p4, two_dE);
gcode << writer.extrude_to_xy(p5, dE);
gcode << writer.extrude_to_xy(p2, dE);
gcode << writer.extrude_to_xy(p3, dE);
break;
case '7':
gcode << move_to(p0, writer, "Glyph: 7");
gcode << writer.extrude_to_xy(p1, dE);
gcode << writer.extrude_to_xy(p5, two_dE);
break;
case '8':
gcode << move_to(p2, writer, "Glyph: 8");
gcode << writer.extrude_to_xy(p3, dE);
gcode << writer.extrude_to_xy(p4, dE);
gcode << writer.extrude_to_xy(p5, dE);
gcode << writer.extrude_to_xy(p1, two_dE);
gcode << writer.extrude_to_xy(p0, dE);
gcode << writer.extrude_to_xy(p3, dE);
break;
case '9':
gcode << move_to(p5, writer, "Glyph: 9");
gcode << writer.extrude_to_xy(p1, two_dE);
gcode << writer.extrude_to_xy(p0, dE);
gcode << writer.extrude_to_xy(p3, dE);
gcode << writer.extrude_to_xy(p2, dE);
break;
case '.':
gcode << move_to(p4_5, writer, "Glyph: .");
gcode << writer.extrude_to_xy(p4_5 + dot_direction, dE);
break;
default:
break;
}
return gcode.str();
}
std::string CalibPressureAdvance::draw_number(
double startx,
double starty,
double value,
CalibPressureAdvance::DrawDigitMode mode,
double line_width,
double e_per_mm,
double speed,
GCodeWriter& writer
)
{
auto sNumber = convert_number_to_string(value);
std::stringstream gcode;
gcode << writer.set_speed(speed);
for (std::string::size_type i = 0; i < sNumber.length(); ++i) {
if (i > m_max_number_len) {
break;
}
switch (mode) {
case DrawDigitMode::Bottom_To_Top:
gcode << draw_digit(
startx,
starty + i * number_spacing(),
sNumber[i],
mode,
line_width,
e_per_mm,
writer
);
break;
default:
gcode << draw_digit(
startx + i * number_spacing(),
starty,
sNumber[i],
mode,
line_width,
e_per_mm,
writer
);
}
}
return gcode.str();
}
std::string CalibPressureAdvanceLine::generate_test(double start_pa /*= 0*/, double step_pa /*= 0.002*/, int count /*= 10*/)
{
BoundingBoxf bed_ext = get_extents(mp_gcodegen->config().bed_shape.values);
if (is_delta()) {
CalibPressureAdvanceLine::delta_scale_bed_ext(bed_ext);
}
auto bed_sizes = mp_gcodegen->config().bed_shape.values;
const auto &w = bed_ext.size().x();
const auto &h = bed_ext.size().y();
count = std::min(count, int((h - 10) / m_space_y));
m_length_long = 40 + std::min(w - 120.0, 0.0);
auto startx = (w - m_length_short * 2 - m_length_long - 20) / 2;
auto starty = (h - count * m_space_y) / 2;
if (is_delta()) {
CalibPressureAdvanceLine::delta_modify_start(startx, starty, count);
}
return print_pa_lines(startx, starty, start_pa, step_pa, count);
}
bool CalibPressureAdvanceLine::is_delta() const
{
return mp_gcodegen->config().bed_shape.values.size() > 4;
}
std::string CalibPressureAdvanceLine::print_pa_lines(double start_x, double start_y, double start_pa, double step_pa, int num)
{
auto& writer = mp_gcodegen->writer();
const auto& config = mp_gcodegen->config();
const auto filament_diameter = config.filament_diameter.get_at(0);
const auto print_flow_ratio = 1;
const double e_per_mm = CalibPressureAdvance::e_per_mm(
m_line_width,
m_height_layer,
m_nozzle_diameter,
filament_diameter,
print_flow_ratio
);
const double thin_e_per_mm = CalibPressureAdvance::e_per_mm(
m_thin_line_width,
m_height_layer,
m_nozzle_diameter,
filament_diameter,
print_flow_ratio
);
const double number_e_per_mm = CalibPressureAdvance::e_per_mm(
m_number_line_width,
m_height_layer,
m_nozzle_diameter,
filament_diameter,
print_flow_ratio
);
const double fast = CalibPressureAdvance::speed_adjust(m_fast_speed);
const double slow = CalibPressureAdvance::speed_adjust(m_slow_speed);
std::stringstream gcode;
gcode << mp_gcodegen->writer().travel_to_z(m_height_layer);
double y_pos = start_y;
// prime line
auto prime_x = start_x - 2;
gcode << move_to(Vec2d(prime_x, y_pos + (num - 4) * m_space_y), writer);
gcode << writer.set_speed(slow);
gcode << writer.extrude_to_xy(Vec2d(prime_x, y_pos + 3 * m_space_y), e_per_mm * m_space_y * num * 1.1);
for (int i = 0; i < num; ++i) {
gcode << writer.set_pressure_advance(start_pa + i * step_pa);
gcode << move_to(Vec2d(start_x, y_pos + i * m_space_y), writer);
gcode << writer.set_speed(slow);
gcode << writer.extrude_to_xy(Vec2d(start_x + m_length_short, y_pos + i * m_space_y), e_per_mm * m_length_short);
gcode << writer.set_speed(fast);
gcode << writer.extrude_to_xy(Vec2d(start_x + m_length_short + m_length_long, y_pos + i * m_space_y), e_per_mm * m_length_long);
gcode << writer.set_speed(slow);
gcode << writer.extrude_to_xy(Vec2d(start_x + m_length_short + m_length_long + m_length_short, y_pos + i * m_space_y), e_per_mm * m_length_short);
}
gcode << writer.set_pressure_advance(0.0);
if (m_draw_numbers) {
// draw indicator lines
gcode << writer.set_speed(fast);
gcode << move_to(Vec2d(start_x + m_length_short, y_pos + (num - 1) * m_space_y + 2), writer);
gcode << writer.extrude_to_xy(Vec2d(start_x + m_length_short, y_pos + (num - 1) * m_space_y + 7), thin_e_per_mm * 7);
gcode << move_to(Vec2d(start_x + m_length_short + m_length_long, y_pos + (num - 1) * m_space_y + 7), writer);
gcode << writer.extrude_to_xy(Vec2d(start_x + m_length_short + m_length_long, y_pos + (num - 1) * m_space_y + 2), thin_e_per_mm * 7);
for (int i = 0; i < num; i += 2) {
gcode << draw_number(
start_x + m_length_short + m_length_long + m_length_short + 3,
y_pos + i * m_space_y + m_space_y / 2,
start_pa + i * step_pa,
m_draw_digit_mode,
m_number_line_width,
number_e_per_mm,
3600,
writer
);
}
}
return gcode.str();
}
void CalibPressureAdvanceLine::delta_modify_start(double& startx, double& starty, int count)
{
startx = -startx;
starty = -(count * m_space_y) / 2;
}
CalibPressureAdvancePattern::CalibPressureAdvancePattern(
const Calib_Params& params,
const DynamicPrintConfig& config,
bool is_bbl_machine,
Model& model,
const Vec3d& origin
) :
m_params(params)
{
this->m_draw_digit_mode = DrawDigitMode::Bottom_To_Top;
refresh_setup(config, is_bbl_machine, model, origin);
};
void CalibPressureAdvancePattern::generate_custom_gcodes(
const DynamicPrintConfig& config,
bool is_bbl_machine,
Model& model,
const Vec3d& origin
)
{
std::stringstream gcode;
gcode << "; start pressure advance pattern for layer\n";
refresh_setup(config, is_bbl_machine, model, origin);
gcode << move_to(Vec2d(m_starting_point.x(), m_starting_point.y()), m_writer, "Move to start XY position");
gcode << m_writer.travel_to_z(height_first_layer(), "Move to start Z position");
gcode << m_writer.set_pressure_advance(m_params.start);
const DrawBoxOptArgs default_box_opt_args(*this);
// create anchoring frame
gcode << draw_box(
m_starting_point.x(),
m_starting_point.y(),
print_size_x(),
frame_size_y(),
default_box_opt_args
);
// create tab for numbers
DrawBoxOptArgs draw_box_opt_args = default_box_opt_args;
draw_box_opt_args.is_filled = true;
draw_box_opt_args.num_perimeters = wall_count();
gcode << draw_box(
m_starting_point.x(),
m_starting_point.y() + frame_size_y() + line_spacing_first_layer(),
glyph_tab_max_x() - m_starting_point.x(),
max_numbering_height() + line_spacing_first_layer() + m_glyph_padding_vertical * 2,
draw_box_opt_args
);
std::vector<CustomGCode::Item> gcode_items;
const DrawLineOptArgs default_line_opt_args(*this);
const int num_patterns = get_num_patterns(); // "cache" for use in loops
// draw pressure advance pattern
for (int i = 0; i < m_num_layers; ++i) {
if (i > 0) {
gcode << "; end pressure advance pattern for layer\n";
CustomGCode::Item item;
item.print_z = height_first_layer() + (i - 1) * height_layer();
item.type = CustomGCode::Type::Custom;
item.extra = gcode.str();
gcode_items.push_back(item);
gcode = std::stringstream(); // reset for next layer contents
gcode << "; start pressure advance pattern for layer\n";
const double layer_height = height_first_layer() + (i * height_layer());
gcode << m_writer.travel_to_z(layer_height, "Move to layer height");
}
// line numbering
if (i == 1) {
gcode << m_writer.set_pressure_advance(m_params.start);
double number_e_per_mm = e_per_mm(
line_width(),
height_layer(),
m_config.option<ConfigOptionFloats>("nozzle_diameter")->get_at(0),
m_config.option<ConfigOptionFloats>("filament_diameter")->get_at(0),
m_config.option<ConfigOptionFloats>("filament_flow_ratio")->get_at(0)
);
// glyph on every other line
for (int j = 0; j < num_patterns; j += 2) {
gcode << draw_number(
glyph_start_x(j),
m_starting_point.y() + frame_size_y() + m_glyph_padding_vertical + line_width(),
m_params.start + (j * m_params.step),
m_draw_digit_mode,
line_width(),
number_e_per_mm,
speed_first_layer(),
m_writer
);
}
}
DrawLineOptArgs draw_line_opt_args = default_line_opt_args;
double to_x = m_starting_point.x() + pattern_shift();
double to_y = m_starting_point.y();
double side_length = m_wall_side_length;
// shrink first layer to fit inside frame
if (i == 0) {
double shrink =
(
line_spacing_first_layer() * (wall_count() - 1) +
(line_width_first_layer() * (1 - m_encroachment))
) / std::sin(to_radians(m_corner_angle) / 2)
;
side_length = m_wall_side_length - shrink;
to_x += shrink * std::sin(to_radians(90) - to_radians(m_corner_angle) / 2);
to_y +=
line_spacing_first_layer() * (wall_count() - 1) +
(line_width_first_layer() * (1 - m_encroachment))
;
}
double initial_x = to_x;
double initial_y = to_y;
gcode << move_to(Vec2d(to_x, to_y), m_writer, "Move to pattern start");
for (int j = 0; j < num_patterns; ++j) {
// increment pressure advance
gcode << m_writer.set_pressure_advance(m_params.start + (j * m_params.step));
for (int k = 0; k < wall_count(); ++k) {
to_x += std::cos(to_radians(m_corner_angle) / 2) * side_length;
to_y += std::sin(to_radians(m_corner_angle) / 2) * side_length;
draw_line_opt_args = default_line_opt_args;
draw_line_opt_args.height = i == 0 ? height_first_layer() : height_layer();
draw_line_opt_args.line_width = line_width(); // don't use line_width_first_layer so results are consistent across all layers
draw_line_opt_args.speed = i == 0 ? speed_adjust(speed_first_layer()) : speed_adjust(speed_perimeter());
draw_line_opt_args.comment = "Print pattern wall";
gcode << draw_line(Vec2d(to_x, to_y), draw_line_opt_args);
to_x -= std::cos(to_radians(m_corner_angle) / 2) * side_length;
to_y += std::sin(to_radians(m_corner_angle) / 2) * side_length;
gcode << draw_line(Vec2d(to_x, to_y), draw_line_opt_args);
to_y = initial_y;
if (k != wall_count() - 1) {
// perimeters not done yet. move to next perimeter
to_x += line_spacing_angle();
gcode << move_to(Vec2d(to_x, to_y), m_writer, "Move to start next pattern wall");
} else if (j != num_patterns - 1) {
// patterns not done yet. move to next pattern
to_x += m_pattern_spacing + line_width();
gcode << move_to(Vec2d(to_x, to_y), m_writer, "Move to next pattern");
} else if (i != m_num_layers - 1) {
// layers not done yet. move back to start
to_x = initial_x;
gcode << move_to(Vec2d(to_x, to_y), m_writer, "Move back to start position");
} else {
// everything done
}
}
}
}
gcode << m_writer.set_pressure_advance(m_params.start);
gcode << "; end pressure advance pattern for layer\n";
CustomGCode::Item item;
item.print_z = max_layer_z();
item.type = CustomGCode::Type::Custom;
item.extra = gcode.str();
gcode_items.push_back(item);
CustomGCode::Info info;
info.mode = CustomGCode::Mode::SingleExtruder;
info.gcodes = gcode_items;
//model.plates_custom_gcodes[model.curr_plate_index] = info;
}
void CalibPressureAdvancePattern::refresh_setup(
const DynamicPrintConfig& config,
bool is_bbl_machine,
const Model& model,
const Vec3d& origin
)
{
m_config = config;
m_config.apply(model.objects.front()->config.get(), true);
m_config.apply(model.objects.front()->volumes.front()->config.get(), true);
m_is_delta = (m_config.option<ConfigOptionPoints>("bed_shape")->values.size() > 4);
_refresh_starting_point(model);
_refresh_writer(is_bbl_machine, model, origin);
}
void CalibPressureAdvancePattern::_refresh_starting_point(const Model& model)
{
ModelObject* obj = model.objects.front();
//BoundingBoxf3 bbox =
// obj->instance_bounding_box(
// *obj->instances.front(),
// false
// )
//;
m_starting_point = Vec3d(0, 0, 0);
m_starting_point.y() += m_handle_spacing;
if (m_is_delta) {
m_starting_point.x() *= -1;
m_starting_point.y() -= (frame_size_y() / 2);
}
}
void CalibPressureAdvancePattern::_refresh_writer(
bool is_bbl_machine,
const Model& model,
const Vec3d& origin
)
{
PrintConfig print_config;
print_config.apply(m_config, true);
m_writer.apply_print_config(print_config);
//m_writer.set_xy_offset(origin(0), origin(1));
const unsigned int extruder_id = model.objects.front()->volumes.front()->extruder_id();
m_writer.set_extruders({ extruder_id });
m_writer.set_extruder(extruder_id);
}
std::string CalibPressureAdvancePattern::draw_line(
Vec2d to_pt,
DrawLineOptArgs opt_args
)
{
const double e_per_mm = CalibPressureAdvance::e_per_mm(
opt_args.line_width,
opt_args.height,
m_config.option<ConfigOptionFloats>("nozzle_diameter")->get_at(0),
m_config.option<ConfigOptionFloats>("filament_diameter")->get_at(0),
m_config.option<ConfigOptionFloats>("filament_flow_ratio")->get_at(0)
);
const double length = get_distance(Vec2d(m_last_pos.x(), m_last_pos.y()), to_pt);
auto dE = e_per_mm * length;
std::stringstream gcode;
gcode << m_writer.set_speed(opt_args.speed);
gcode << m_writer.extrude_to_xy(to_pt, dE, opt_args.comment);
m_last_pos = Vec3d(to_pt.x(), to_pt.y(), 0);
return gcode.str();
}
std::string CalibPressureAdvancePattern::draw_box(
double min_x,
double min_y,
double size_x,
double size_y,
DrawBoxOptArgs opt_args
)
{
std::stringstream gcode;
double x = min_x;
double y = min_y;
const double max_x = min_x + size_x;
const double max_y = min_y + size_y;
const double spacing = opt_args.line_width - opt_args.height * (1 - M_PI / 4);
// if number of perims exceeds size of box, reduce it to max
const int max_perimeters =
std::min(
// this is the equivalent of number of perims for concentric fill
std::floor(size_x * std::sin(to_radians(45))) / (spacing / std::sin(to_radians(45))),
std::floor(size_y * std::sin(to_radians(45))) / (spacing / std::sin(to_radians(45)))
)
;
opt_args.num_perimeters = std::min(opt_args.num_perimeters, max_perimeters);
gcode << move_to(Vec2d(min_x, min_y), m_writer, "Move to box start");
DrawLineOptArgs line_opt_args(*this);
line_opt_args.height = opt_args.height;
line_opt_args.line_width = opt_args.line_width;
line_opt_args.speed = opt_args.speed;
for (int i = 0; i < opt_args.num_perimeters; ++i) {
if (i != 0) { // after first perimeter, step inwards to start next perimeter
x += spacing;
y += spacing;
gcode << move_to(Vec2d(x, y), m_writer, "Step inwards to print next perimeter");
}
y += size_y - i * spacing * 2;
line_opt_args.comment = "Draw perimeter (up)";
gcode << draw_line(Vec2d(x, y), line_opt_args);
x += size_x - i * spacing * 2;
line_opt_args.comment = "Draw perimeter (right)";
gcode << draw_line(Vec2d(x, y), line_opt_args);
y -= size_y - i * spacing * 2;
line_opt_args.comment = "Draw perimeter (down)";
gcode << draw_line(Vec2d(x, y), line_opt_args);
x -= size_x - i * spacing * 2;
line_opt_args.comment = "Draw perimeter (left)";
gcode << draw_line(Vec2d(x, y), line_opt_args);
}
if (!opt_args.is_filled) {
return gcode.str();
}
// create box infill
const double spacing_45 = spacing / std::sin(to_radians(45));
const double bound_modifier =
(spacing * (opt_args.num_perimeters - 1)) +
(opt_args.line_width * (1 - m_encroachment))
;
const double x_min_bound = min_x + bound_modifier;
const double x_max_bound = max_x - bound_modifier;
const double y_min_bound = min_y + bound_modifier;
const double y_max_bound = max_y - bound_modifier;
const int x_count = std::floor((x_max_bound - x_min_bound) / spacing_45);
const int y_count = std::floor((y_max_bound - y_min_bound) / spacing_45);
double x_remainder = std::fmod((x_max_bound - x_min_bound), spacing_45);
double y_remainder = std::fmod((y_max_bound - y_min_bound), spacing_45);
x = x_min_bound;
y = y_min_bound;
gcode << move_to(Vec2d(x, y), m_writer, "Move to fill start");
for (int i = 0; i < x_count + y_count + (x_remainder + y_remainder >= spacing_45 ? 1 : 0); ++i) { // this isn't the most robust way, but less expensive than finding line intersections
if (i < std::min(x_count, y_count)) {
if (i % 2 == 0) {
x += spacing_45;
y = y_min_bound;
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step right");
y += x - x_min_bound;
x = x_min_bound;
line_opt_args.comment = "Fill: Print up/left";
gcode << draw_line(Vec2d(x, y), line_opt_args);
} else {
y += spacing_45;
x = x_min_bound;
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step up");
x += y - y_min_bound;
y = y_min_bound;
line_opt_args.comment = "Fill: Print down/right";
gcode << draw_line(Vec2d(x, y), line_opt_args);
}
} else if (i < std::max(x_count, y_count)) {
if (x_count > y_count) {
// box is wider than tall
if (i % 2 == 0) {
x += spacing_45;
y = y_min_bound;
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step right");
x -= y_max_bound - y_min_bound;
y = y_max_bound;
line_opt_args.comment = "Fill: Print up/left";
gcode << draw_line(Vec2d(x, y), line_opt_args);
} else {
if (i == y_count) {
x += spacing_45 - y_remainder;
y_remainder = 0;
} else {
x += spacing_45;
}
y = y_max_bound;
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step right");
x += y_max_bound - y_min_bound;
y = y_min_bound;
line_opt_args.comment = "Fill: Print down/right";
gcode << draw_line(Vec2d(x, y), line_opt_args);
}
} else {
// box is taller than wide
if (i % 2 == 0) {
x = x_max_bound;
if (i == x_count) {
y += spacing_45 - x_remainder;
x_remainder = 0;
} else {
y += spacing_45;
}
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step up");
x = x_min_bound;
y += x_max_bound - x_min_bound;
line_opt_args.comment = "Fill: Print up/left";
gcode << draw_line(Vec2d(x, y), line_opt_args);
} else {
x = x_min_bound;
y += spacing_45;
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step up");
x = x_max_bound;
y -= x_max_bound - x_min_bound;
line_opt_args.comment = "Fill: Print down/right";
gcode << draw_line(Vec2d(x, y), line_opt_args);
}
}
} else {
if (i % 2 == 0) {
x = x_max_bound;
if (i == x_count) {
y += spacing_45 - x_remainder;
} else {
y += spacing_45;
}
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step up");
x -= y_max_bound - y;
y = y_max_bound;
line_opt_args.comment = "Fill: Print up/left";
gcode << draw_line(Vec2d(x, y), line_opt_args);
} else {
if (i == y_count) {
x += spacing_45 - y_remainder;
} else {
x += spacing_45;
}
y = y_max_bound;
gcode << move_to(Vec2d(x, y), m_writer, "Fill: Step right");
y -= x_max_bound - x;
x = x_max_bound;
line_opt_args.comment = "Fill: Print down/right";
gcode << draw_line(Vec2d(x, y), line_opt_args);
}
}
}
return gcode.str();
}
double CalibPressureAdvancePattern::get_distance(Vec2d from, Vec2d to) const
{
return std::hypot((to.x() - from.x()), (to.y() - from.y()));
}
double CalibPressureAdvancePattern::object_size_x() const
{
return get_num_patterns() * ((wall_count() - 1) * line_spacing_angle()) +
(get_num_patterns() - 1) * (m_pattern_spacing + line_width()) +
std::cos(to_radians(m_corner_angle) / 2) * m_wall_side_length +
line_spacing_first_layer() * wall_count()
;
}
double CalibPressureAdvancePattern::object_size_y() const
{
return 2 * (std::sin(to_radians(m_corner_angle) / 2) * m_wall_side_length) +
max_numbering_height() +
m_glyph_padding_vertical * 2 +
line_width_first_layer();
}
double CalibPressureAdvancePattern::glyph_start_x(int pattern_i) const
{
// note that pattern_i is zero-based!
// align glyph's start with first perimeter of specified pattern
double x =
// starting offset
m_starting_point.x() +
pattern_shift() +
// width of pattern extrusions
pattern_i * (wall_count() - 1) * line_spacing_angle() + // center to center distance of extrusions
pattern_i * line_width() + // endcaps. center to end on either side = 1 line width
// space between each pattern
pattern_i * m_pattern_spacing
;
// align to middle of pattern walls
x += wall_count() * line_spacing_angle() / 2;
// shift so glyph is centered on pattern
// m_digit_segment_len = half of X length of glyph
x -= (glyph_length_x() / 2);
return x;
}
double CalibPressureAdvancePattern::glyph_length_x() const
{
// half of line_width sticks out on each side
return line_width() + (2 * m_digit_segment_len);
}
double CalibPressureAdvancePattern::glyph_tab_max_x() const
{
// only every other glyph is shown, starting with 1
int num = get_num_patterns();
int max_num =
(num % 2 == 0)
? num - 1
: num
;
// padding at end should be same as padding at start
double padding = glyph_start_x(0) - m_starting_point.x();
return
glyph_start_x(max_num - 1) + // glyph_start_x is zero-based
(glyph_length_x() - line_width() / 2) +
padding
;
}
double CalibPressureAdvancePattern::max_numbering_height() const
{
std::string::size_type most_characters = 0;
const int num_patterns = get_num_patterns();
// note: only every other number is printed
for (std::string::size_type i = 0; i < num_patterns; i += 2) {
std::string sNumber = convert_number_to_string(m_params.start + (i * m_params.step));
if (sNumber.length() > most_characters) {
most_characters = sNumber.length();
}
}
most_characters = std::min(most_characters, m_max_number_len);
return (most_characters * m_digit_segment_len) + ((most_characters - 1) * m_digit_gap_len);
}
double CalibPressureAdvancePattern::pattern_shift() const
{
return
(wall_count() - 1) * line_spacing_first_layer() +
line_width_first_layer() +
m_glyph_padding_horizontal
;
}
} // namespace Slic3r

281
src/libslic3r/calib.hpp
View File

@@ -1,281 +0,0 @@
#pragma once
#define calib_pressure_advance_dd
#include "GCode.hpp"
#include "GCodeWriter.hpp"
#include "PrintConfig.hpp"
namespace Slic3r {
enum class CalibMode : int {
Calib_None = 0,
Calib_PA_Line,
Calib_PA_Pattern,
Calib_PA_Tower,
Calib_Temp_Tower,
Calib_Vol_speed_Tower,
Calib_VFA_Tower,
Calib_Retraction_tower,
Calib_FRF
};
struct Calib_Params {
Calib_Params() : mode(CalibMode::Calib_None) { };
double start, end, step;
bool print_numbers;
CalibMode mode;
};
class CalibPressureAdvance {
public:
static float find_optimal_PA_speed(const DynamicPrintConfig &config, double line_width, double layer_height,
int filament_idx = 0);
protected:
CalibPressureAdvance() =default;
~CalibPressureAdvance() =default;
enum class DrawDigitMode {
Left_To_Right,
Bottom_To_Top
};
void delta_scale_bed_ext(BoundingBoxf& bed_ext) const { bed_ext.scale(1.0f / 1.41421f); }
std::string move_to(Vec2d pt, GCodeWriter& writer, std::string comment = std::string());
double e_per_mm(
double line_width,
double layer_height,
float nozzle_diameter,
float filament_diameter,
float print_flow_ratio
) const;
double speed_adjust(int speed) const { return speed * 60; };
std::string convert_number_to_string(double num) const;
double number_spacing() const { return m_digit_segment_len + m_digit_gap_len; };
std::string draw_digit(
double startx,
double starty,
char c,
CalibPressureAdvance::DrawDigitMode mode,
double line_width,
double e_per_mm,
GCodeWriter& writer
);
std::string draw_number(
double startx,
double starty,
double value,
CalibPressureAdvance::DrawDigitMode mode,
double line_width,
double e_per_mm,
double speed,
GCodeWriter& writer
);
Vec3d m_last_pos;
DrawDigitMode m_draw_digit_mode {DrawDigitMode::Left_To_Right};
const double m_digit_segment_len {2};
const double m_digit_gap_len {1};
const std::string::size_type m_max_number_len {5};
};
class CalibPressureAdvanceLine : public CalibPressureAdvance {
public:
CalibPressureAdvanceLine(GCode* gcodegen) :
mp_gcodegen(gcodegen),
m_nozzle_diameter(gcodegen->config().nozzle_diameter.get_at(0))
{ };
~CalibPressureAdvanceLine() { };
std::string generate_test(double start_pa = 0, double step_pa = 0.002, int count = 50);
void set_speed(double fast = 100.0, double slow = 20.0) {
m_slow_speed = slow;
m_fast_speed = fast;
}
const double& line_width() { return m_line_width; };
bool is_delta() const;
bool& draw_numbers() { return m_draw_numbers; }
private:
std::string print_pa_lines(double start_x, double start_y, double start_pa, double step_pa, int num);
void delta_modify_start(double& startx, double& starty, int count);
GCode* mp_gcodegen;
double m_nozzle_diameter;
double m_slow_speed, m_fast_speed;
const double m_height_layer {0.2};
const double m_line_width {0.6};
const double m_thin_line_width {0.44};
const double m_number_line_width {0.48};
const double m_space_y {3.5};
double m_length_short {20.0}, m_length_long {40.0};
bool m_draw_numbers {true};
};
struct SuggestedConfigCalibPAPattern {
const std::vector<std::pair<std::string, double>> float_pairs {
{"initial_layer_print_height", 0.25},
{"layer_height", 0.2},
{"initial_layer_speed", 30}
};
const std::vector<std::pair<std::string, double>> nozzle_ratio_pairs {
{"line_width", 112.5},
{"initial_layer_line_width", 140}
};
const std::vector<std::pair<std::string, int>> int_pairs {
{"skirt_loops", 0},
{"wall_loops", 3}
};
const std::pair<std::string, BrimType> brim_pair {"brim_type", BrimType::btNoBrim};
};
class CalibPressureAdvancePattern : public CalibPressureAdvance {
friend struct DrawLineOptArgs;
friend struct DrawBoxOptArgs;
public:
CalibPressureAdvancePattern(
const Calib_Params& params,
const DynamicPrintConfig& config,
bool is_bbl_machine,
Model& model,
const Vec3d& origin
);
double handle_xy_size() const { return m_handle_xy_size; };
double handle_spacing() const { return m_handle_spacing; };
double print_size_x() const { return object_size_x() + pattern_shift(); };
double print_size_y() const { return object_size_y(); };
double max_layer_z() const { return height_first_layer() + ((m_num_layers - 1) * height_layer()); };
void generate_custom_gcodes(
const DynamicPrintConfig& config,
bool is_bbl_machine,
Model& model,
const Vec3d& origin
);
protected:
double speed_first_layer() const { return m_config.option<ConfigOptionFloat>("initial_layer_speed")->value; };
double speed_perimeter() const { return m_config.option<ConfigOptionFloat>("outer_wall_speed")->value; };
double line_width_first_layer() const { return m_config.get_abs_value("initial_layer_line_width"); };
double line_width() const { return m_config.get_abs_value("line_width"); };
int wall_count() const { return m_config.option<ConfigOptionInt>("wall_loops")->value; };
private:
struct DrawLineOptArgs {
DrawLineOptArgs(const CalibPressureAdvancePattern& p) :
height {p.height_layer()},
line_width {p.line_width()},
speed {p.speed_adjust(p.speed_perimeter())}
{ };
double height;
double line_width;
double speed;
std::string comment {"Print line"};
};
struct DrawBoxOptArgs {
DrawBoxOptArgs(const CalibPressureAdvancePattern& p) :
num_perimeters {p.wall_count()},
height {p.height_first_layer()},
line_width {p.line_width_first_layer()},
speed {p.speed_adjust(p.speed_first_layer())}
{ };
bool is_filled {false};
int num_perimeters;
double height;
double line_width;
double speed;
};
void refresh_setup(
const DynamicPrintConfig& config,
bool is_bbl_machine,
const Model& model,
const Vec3d& origin
);
void _refresh_starting_point(const Model& model);
void _refresh_writer(
bool is_bbl_machine,
const Model& model,
const Vec3d& origin
);
double height_first_layer() const { return m_config.option<ConfigOptionFloat>("initial_layer_print_height")->value; };
double height_layer() const { return m_config.option<ConfigOptionFloat>("layer_height")->value; };
const int get_num_patterns() const
{
return std::ceil((m_params.end - m_params.start) / m_params.step + 1);
}
std::string draw_line(
Vec2d to_pt,
DrawLineOptArgs opt_args
);
std::string draw_box(
double min_x,
double min_y,
double size_x,
double size_y,
DrawBoxOptArgs opt_args
);
double to_radians(double degrees) const { return degrees * M_PI / 180; };
double get_distance(Vec2d from, Vec2d to) const;
/*
from slic3r documentation: spacing = extrusion_width - layer_height * (1 - PI/4)
"spacing" = center-to-center distance of adjacent extrusions, which partially overlap
https://manual.slic3r.org/advanced/flow-math
https://ellis3dp.com/Print-Tuning-Guide/articles/misconceptions.html#two-04mm-perimeters--08mm
*/
double line_spacing() const { return line_width() - height_layer() * (1 - M_PI / 4); };
double line_spacing_first_layer() const { return line_width_first_layer() - height_first_layer() * (1 - M_PI / 4); };
double line_spacing_angle() const { return line_spacing() / std::sin(to_radians(m_corner_angle) / 2); };
double object_size_x() const;
double object_size_y() const;
double frame_size_y() const { return std::sin(to_radians(double(m_corner_angle) / 2)) * m_wall_side_length * 2; };
double glyph_start_x(int pattern_i = 0) const;
double glyph_length_x() const;
double glyph_tab_max_x() const;
double max_numbering_height() const;
double pattern_shift() const;
const Calib_Params& m_params;
DynamicPrintConfig m_config;
GCodeWriter m_writer;
bool m_is_delta;
Vec3d m_starting_point;
const double m_handle_xy_size {5};
const double m_handle_spacing {2};
const int m_num_layers {4};
const double m_wall_side_length {30.0};
const int m_corner_angle {90};
const int m_pattern_spacing {2};
const double m_encroachment {1. / 3.};
const double m_glyph_padding_horizontal {1};
const double m_glyph_padding_vertical {1};
};
} // namespace Slic3r