612 lines
25 KiB
C++
612 lines
25 KiB
C++
#include "Layer.hpp"
|
||
#include "ClipperUtils.hpp"
|
||
#include "Print.hpp"
|
||
#include "Fill/Fill.hpp"
|
||
#include "ShortestPath.hpp"
|
||
#include "SVG.hpp"
|
||
#include "BoundingBox.hpp"
|
||
#include "libslic3r/AABBTreeLines.hpp"
|
||
#include <boost/log/trivial.hpp>
|
||
static const int Continuitious_length = scale_(0.01);
|
||
static const int dist_scale_threshold = 1.2;
|
||
|
||
namespace Slic3r {
|
||
|
||
Layer::~Layer()
|
||
{
|
||
this->lower_layer = this->upper_layer = nullptr;
|
||
for (LayerRegion *region : m_regions)
|
||
delete region;
|
||
m_regions.clear();
|
||
}
|
||
|
||
// Test whether whether there are any slices assigned to this layer.
|
||
bool Layer::empty() const
|
||
{
|
||
for (const LayerRegion *layerm : m_regions)
|
||
if (layerm != nullptr && ! layerm->slices.empty())
|
||
// Non empty layer.
|
||
return false;
|
||
return true;
|
||
}
|
||
|
||
LayerRegion* Layer::add_region(const PrintRegion *print_region)
|
||
{
|
||
m_regions.emplace_back(new LayerRegion(this, print_region));
|
||
return m_regions.back();
|
||
}
|
||
void Layer::apply_auto_circle_compensation()
|
||
{
|
||
for (LayerRegion *layerm : m_regions) {
|
||
layerm->auto_circle_compensation(layerm->slices, this->object()->get_auto_circle_compenstaion_params(), scale_(this->object()->config().circle_compensation_manual_offset));
|
||
}
|
||
}
|
||
|
||
// merge all regions' slices to get islands
|
||
void Layer::make_slices()
|
||
{
|
||
ExPolygons slices;
|
||
if (m_regions.size() == 1) {
|
||
// optimization: if we only have one region, take its slices
|
||
slices = to_expolygons(m_regions.front()->slices.surfaces);
|
||
} else {
|
||
Polygons slices_p;
|
||
for (LayerRegion *layerm : m_regions)
|
||
polygons_append(slices_p, to_polygons(layerm->slices.surfaces));
|
||
slices = union_safety_offset_ex(slices_p);
|
||
}
|
||
|
||
this->lslices.clear();
|
||
this->lslices.reserve(slices.size());
|
||
|
||
// prepare ordering points
|
||
Points ordering_points;
|
||
ordering_points.reserve(slices.size());
|
||
for (const ExPolygon &ex : slices)
|
||
ordering_points.push_back(ex.contour.first_point());
|
||
|
||
// sort slices
|
||
std::vector<Points::size_type> order = chain_points(ordering_points);
|
||
|
||
// populate slices vector
|
||
for (size_t i : order)
|
||
this->lslices.emplace_back(std::move(slices[i]));
|
||
}
|
||
|
||
static inline bool layer_needs_raw_backup(const Layer *layer)
|
||
{
|
||
// BBS: backup raw slice for generating support
|
||
//return ! (layer->regions().size() == 1 && (layer->id() > 0 || layer->object()->config().elefant_foot_compensation.value == 0));
|
||
return true;
|
||
}
|
||
|
||
void Layer::backup_untyped_slices()
|
||
{
|
||
if (layer_needs_raw_backup(this)) {
|
||
for (LayerRegion *layerm : m_regions)
|
||
layerm->raw_slices = to_expolygons(layerm->slices.surfaces);
|
||
} else {
|
||
assert(m_regions.size() == 1);
|
||
m_regions.front()->raw_slices.clear();
|
||
}
|
||
}
|
||
|
||
void Layer::restore_untyped_slices()
|
||
{
|
||
if (layer_needs_raw_backup(this)) {
|
||
for (LayerRegion *layerm : m_regions)
|
||
layerm->slices.set(layerm->raw_slices, stInternal);
|
||
} else {
|
||
assert(m_regions.size() == 1);
|
||
m_regions.front()->slices.set(this->lslices, stInternal);
|
||
}
|
||
}
|
||
|
||
// Similar to Layer::restore_untyped_slices()
|
||
// To improve robustness of detect_surfaces_type() when reslicing (working with typed slices), see GH issue #7442.
|
||
// Only resetting layerm->slices if Slice::extra_perimeters is always zero or it will not be used anymore
|
||
// after the perimeter generator.
|
||
void Layer::restore_untyped_slices_no_extra_perimeters()
|
||
{
|
||
if (layer_needs_raw_backup(this)) {
|
||
for (LayerRegion *layerm : m_regions)
|
||
//BBS: remove extra_perimeters. Always false
|
||
//if (! layerm->region().config().extra_perimeters.value)
|
||
layerm->slices.set(layerm->raw_slices, stInternal);
|
||
} else {
|
||
assert(m_regions.size() == 1);
|
||
LayerRegion *layerm = m_regions.front();
|
||
// This optimization is correct, as extra_perimeters are only reused by prepare_infill() with multi-regions.
|
||
//if (! layerm->region().config().extra_perimeters.value)
|
||
layerm->slices.set(this->lslices, stInternal);
|
||
}
|
||
}
|
||
|
||
ExPolygons Layer::merged(float offset_scaled) const
|
||
{
|
||
assert(offset_scaled >= 0.f);
|
||
// If no offset is set, apply EPSILON offset before union, and revert it afterwards.
|
||
float offset_scaled2 = 0;
|
||
if (offset_scaled == 0.f) {
|
||
offset_scaled = float( EPSILON);
|
||
offset_scaled2 = float(- EPSILON);
|
||
}
|
||
Polygons polygons;
|
||
for (LayerRegion *layerm : m_regions) {
|
||
const PrintRegionConfig &config = layerm->region().config();
|
||
// Our users learned to bend Slic3r to produce empty volumes to act as subtracters. Only add the region if it is non-empty.
|
||
if (config.bottom_shell_layers > 0 || config.top_shell_layers > 0 || config.sparse_infill_density > 0. || config.wall_loops > 0)
|
||
append(polygons, offset(layerm->slices.surfaces, offset_scaled));
|
||
}
|
||
ExPolygons out = union_ex(polygons);
|
||
if (offset_scaled2 != 0.f)
|
||
out = offset_ex(out, offset_scaled2);
|
||
return out;
|
||
}
|
||
|
||
// Here the perimeters are created cummulatively for all layer regions sharing the same parameters influencing the perimeters.
|
||
// The perimeter paths and the thin fills (ExtrusionEntityCollection) are assigned to the first compatible layer region.
|
||
// The resulting fill surface is split back among the originating regions.
|
||
//这里，为共享影响周长的相同参数的所有层区域累积创建周长。
|
||
//周界路径和薄填充（ExtrusionEntityCollection）被指定给第一个兼容的图层区域。
|
||
//生成的填充曲面在原始区域之间被拆分。
|
||
void Layer::make_perimeters()
|
||
{
|
||
BOOST_LOG_TRIVIAL(trace) << "Generating perimeters for layer " << this->id();
|
||
// keep track of regions whose perimeters we have already generated
|
||
//跟踪我们已经生成边界的区域
|
||
std::vector<unsigned char> done(m_regions.size(), false);
|
||
|
||
for (LayerRegionPtrs::iterator layerm = m_regions.begin(); layerm != m_regions.end(); ++ layerm)
|
||
if ((*layerm)->slices.empty()) {
|
||
(*layerm)->perimeters.clear();
|
||
(*layerm)->fills.clear();
|
||
(*layerm)->thin_fills.clear();
|
||
} else {
|
||
size_t region_id = layerm - m_regions.begin();
|
||
if (done[region_id])
|
||
continue;
|
||
BOOST_LOG_TRIVIAL(trace) << "Generating perimeters for layer " << this->id() << ", region " << region_id;
|
||
done[region_id] = true;
|
||
const PrintRegionConfig &config = (*layerm)->region().config();
|
||
|
||
// find compatible regions
|
||
//查找兼容区域
|
||
LayerRegionPtrs layerms;
|
||
layerms.push_back(*layerm);
|
||
for (LayerRegionPtrs::const_iterator it = layerm + 1; it != m_regions.end(); ++it)
|
||
if (! (*it)->slices.empty()) {
|
||
LayerRegion* other_layerm = *it;
|
||
const PrintRegionConfig &other_config = other_layerm->region().config();
|
||
if (config.wall_filament == other_config.wall_filament
|
||
&& config.wall_loops == other_config.wall_loops
|
||
&& config.inner_wall_speed.get_at(get_extruder_id(config.wall_filament)) == other_config.inner_wall_speed.get_at(get_extruder_id(config.wall_filament))
|
||
&& config.outer_wall_speed.get_at(get_extruder_id(config.wall_filament)) == other_config.outer_wall_speed.get_at(get_extruder_id(config.wall_filament))
|
||
&& config.gap_infill_speed.get_at(get_extruder_id(config.wall_filament)) == other_config.gap_infill_speed.get_at(get_extruder_id(config.wall_filament))
|
||
&& config.detect_overhang_wall == other_config.detect_overhang_wall
|
||
&& config.filter_out_gap_fill.value == other_config.filter_out_gap_fill.value
|
||
&& config.opt_serialize("inner_wall_line_width") == other_config.opt_serialize("inner_wall_line_width")
|
||
&& config.detect_thin_wall == other_config.detect_thin_wall
|
||
&& config.infill_wall_overlap == other_config.infill_wall_overlap
|
||
&& config.fuzzy_skin == other_config.fuzzy_skin
|
||
&& config.fuzzy_skin_thickness == other_config.fuzzy_skin_thickness
|
||
&& config.fuzzy_skin_point_distance == other_config.fuzzy_skin_point_distance
|
||
&& config.seam_slope_conditional == other_config.seam_slope_conditional
|
||
//&& config.scarf_angle_threshold == other_config.scarf_angle_threshold
|
||
&& config.seam_slope_entire_loop == other_config.seam_slope_entire_loop
|
||
&& config.seam_slope_steps == other_config.seam_slope_steps
|
||
&& config.seam_slope_inner_walls == other_config.seam_slope_inner_walls)
|
||
{
|
||
other_layerm->perimeters.clear();
|
||
other_layerm->fills.clear();
|
||
other_layerm->thin_fills.clear();
|
||
layerms.push_back(other_layerm);
|
||
done[it - m_regions.begin()] = true;
|
||
}
|
||
}
|
||
|
||
if (layerms.size() == 1) { // optimization
|
||
(*layerm)->fill_surfaces.surfaces.clear();
|
||
(*layerm)->make_perimeters((*layerm)->slices, &(*layerm)->fill_surfaces, &(*layerm)->fill_no_overlap_expolygons, this->loop_nodes);
|
||
|
||
(*layerm)->fill_expolygons = to_expolygons((*layerm)->fill_surfaces.surfaces);
|
||
} else {
|
||
SurfaceCollection new_slices;
|
||
// Use the region with highest infill rate, as the make_perimeters() function below decides on the gap fill based on the infill existence.
|
||
//使用填充率最高的区域，因为下面的make_perimeters（）函数根据填充的存在决定间隙填充。
|
||
LayerRegion *layerm_config = layerms.front();
|
||
{
|
||
// group slices (surfaces) according to number of extra perimeters
|
||
//根据额外周长的数量对切片（表面）进行分组
|
||
std::map<unsigned short, Surfaces> slices; // extra_perimeters => [ surface, surface... ]
|
||
for (LayerRegion *layerm : layerms) {
|
||
for (const Surface &surface : layerm->slices.surfaces)
|
||
slices[surface.extra_perimeters].emplace_back(surface);
|
||
if (layerm->region().config().sparse_infill_density > layerm_config->region().config().sparse_infill_density)
|
||
layerm_config = layerm;
|
||
}
|
||
// merge the surfaces assigned to each group
|
||
//合并分配给每个组的曲面
|
||
for (std::pair<const unsigned short,Surfaces> &surfaces_with_extra_perimeters : slices)
|
||
new_slices.append(offset_ex(surfaces_with_extra_perimeters.second, ClipperSafetyOffset), surfaces_with_extra_perimeters.second.front());
|
||
}
|
||
|
||
// make perimeters
|
||
SurfaceCollection fill_surfaces;
|
||
//BBS
|
||
ExPolygons fill_no_overlap;
|
||
layerm_config->make_perimeters(new_slices, &fill_surfaces, &fill_no_overlap, this->loop_nodes);
|
||
|
||
// assign fill_surfaces to each layer
|
||
//为每一层指定fill_surfaces
|
||
if (!fill_surfaces.surfaces.empty()) {
|
||
for (LayerRegionPtrs::iterator l = layerms.begin(); l != layerms.end(); ++l) {
|
||
// Separate the fill surfaces.
|
||
ExPolygons expp = intersection_ex(fill_surfaces.surfaces, (*l)->slices.surfaces);
|
||
(*l)->fill_expolygons = expp;
|
||
(*l)->fill_surfaces.set(std::move(expp), fill_surfaces.surfaces.front());
|
||
//BBS: Separate fill_no_overlap
|
||
(*l)->fill_no_overlap_expolygons = intersection_ex((*l)->slices.surfaces, fill_no_overlap);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
BOOST_LOG_TRIVIAL(trace) << "Generating perimeters for layer " << this->id() << " - Done";
|
||
}
|
||
|
||
//BBS: use aabbtree to get distance
|
||
class ContinuitiousDistancer
|
||
{
|
||
std::vector<Linef> lines;
|
||
AABBTreeIndirect::Tree<2, double> tree;
|
||
|
||
public:
|
||
ContinuitiousDistancer(const Points &pts)
|
||
{
|
||
Lines pt_to_lines = to_lines(pts);
|
||
for (const auto &line : pt_to_lines)
|
||
lines.emplace_back(line.a.cast<double>(), line.b.cast<double>());
|
||
|
||
tree = AABBTreeLines::build_aabb_tree_over_indexed_lines(lines);
|
||
}
|
||
|
||
float distance_from_perimeter(const Vec2f &point) const
|
||
{
|
||
Vec2d p = point.cast<double>();
|
||
size_t hit_idx_out{};
|
||
Vec2d hit_point_out = Vec2d::Zero();
|
||
auto distance = AABBTreeLines::squared_distance_to_indexed_lines(lines, tree, p, hit_idx_out, hit_point_out);
|
||
if (distance < 0) {
|
||
return std::numeric_limits<float>::max();
|
||
}
|
||
|
||
distance = sqrt(distance);
|
||
const Linef &line = lines[hit_idx_out];
|
||
Vec2d v1 = line.b - line.a;
|
||
Vec2d v2 = p - line.a;
|
||
if ((v1.x() * v2.y()) - (v1.y() * v2.x()) > 0.0) { distance *= -1; }
|
||
return distance;
|
||
}
|
||
|
||
Lines to_lines(const Points &pts)
|
||
{
|
||
Lines lines;
|
||
if (pts.size() >= 2) {
|
||
lines.reserve(pts.size() - 1);
|
||
for (Points::const_iterator it = pts.begin(); it != pts.end() - 1; ++it) { lines.push_back(Line(*it, *(it + 1))); }
|
||
}
|
||
return lines;
|
||
}
|
||
};
|
||
|
||
|
||
static double get_node_continuity_rang_limit(const std::vector<coord_t> &Prev_node_widths, int prev_pt_idx) {
|
||
double width = 0;
|
||
double prev_width = Prev_node_widths.front();
|
||
if (prev_pt_idx!=0 && prev_pt_idx < Prev_node_widths.size()) {
|
||
prev_width = static_cast<double>(Prev_node_widths[prev_pt_idx]);
|
||
}
|
||
|
||
width = prev_width * dist_scale_threshold;
|
||
return width;
|
||
}
|
||
|
||
void Layer::calculate_perimeter_continuity(std::vector<LoopNode> &prev_nodes) {
|
||
for (size_t node_pos = 0; node_pos < loop_nodes.size(); ++node_pos) {
|
||
LoopNode &node=loop_nodes[node_pos];
|
||
double width = 0;
|
||
ContinuitiousDistancer node_distancer(node.node_contour.pts);
|
||
for (size_t prev_pos = 0; prev_pos < prev_nodes.size(); ++prev_pos) {
|
||
LoopNode &prev_node = prev_nodes[prev_pos];
|
||
|
||
// no overlap or has diff speed
|
||
if (!node.bbox.overlap(prev_node.bbox))
|
||
continue;
|
||
|
||
//calculate dist, checkout the continuity
|
||
Polyline continuitious_pl;
|
||
//check start pt
|
||
size_t start = 0;
|
||
bool conntiouitious_flag = false;
|
||
int end = prev_node.node_contour.pts.size() - 1;
|
||
|
||
//if the countor is loop
|
||
if (prev_node.node_contour.is_loop) {
|
||
for (; end >= 0; --end) {
|
||
if (continuitious_pl.length() >= Continuitious_length) {
|
||
node.lower_node_id.push_back(prev_node.node_id);
|
||
prev_node.upper_node_id.push_back(node.node_id);
|
||
conntiouitious_flag = true;
|
||
break;
|
||
}
|
||
|
||
Point pt = prev_node.node_contour.pts[end];
|
||
float dist = node_distancer.distance_from_perimeter(pt.cast<float>());
|
||
// get corr width
|
||
width = get_node_continuity_rang_limit(prev_node.node_contour.widths, end);
|
||
|
||
if (dist < width && dist > -width)
|
||
continuitious_pl.append_before(pt);
|
||
else
|
||
break;
|
||
}
|
||
|
||
if (conntiouitious_flag || end < 0)
|
||
continue;
|
||
}
|
||
|
||
int last_pt_idx = end;
|
||
// line need to check end point
|
||
if (!prev_node.node_contour.is_loop)
|
||
last_pt_idx ++;
|
||
|
||
for (; start < last_pt_idx; ++start) {
|
||
Point pt = prev_node.node_contour.pts[start];
|
||
float dist = node_distancer.distance_from_perimeter(pt.cast<float>());
|
||
//get corr width
|
||
width = get_node_continuity_rang_limit(prev_node.node_contour.widths, start);
|
||
|
||
if (dist < width && dist > -width) {
|
||
continuitious_pl.append(pt);
|
||
continue;
|
||
}
|
||
|
||
if (continuitious_pl.empty() || continuitious_pl.length() < Continuitious_length) {
|
||
continuitious_pl.clear();
|
||
continue;
|
||
}
|
||
|
||
node.lower_node_id.push_back(prev_node.node_id);
|
||
prev_node.upper_node_id.push_back(node.node_id);
|
||
continuitious_pl.clear();
|
||
break;
|
||
|
||
}
|
||
|
||
if (continuitious_pl.length() >= Continuitious_length) {
|
||
node.lower_node_id.push_back(prev_node.node_id);
|
||
prev_node.upper_node_id.push_back(node.node_id);
|
||
}
|
||
}
|
||
}
|
||
|
||
}
|
||
|
||
void Layer::recrod_cooling_node_for_each_extrusion() {
|
||
for (LayerRegion *region : this->regions()) {
|
||
for (int extrusion_idx = 0; extrusion_idx < region->perimeters.entities.size(); extrusion_idx++) {
|
||
const auto *extrusions = static_cast<const ExtrusionEntityCollection *>(region->perimeters.entities[extrusion_idx]);
|
||
int start = extrusions->loop_node_range.first;
|
||
int end = extrusions->loop_node_range.second;
|
||
if (start >= end)
|
||
continue;
|
||
|
||
int cooling_node = this->loop_nodes[start].merged_id;
|
||
int pos = this->loop_nodes[start].loop_id;
|
||
int next_pos = start + 1 < end ? this->loop_nodes[start + 1].loop_id : -1;
|
||
for (int idx = 0; idx < extrusions->entities.size(); idx++) {
|
||
if (idx == next_pos && next_pos > 0) {
|
||
start++;
|
||
cooling_node = this->loop_nodes[start].merged_id;
|
||
next_pos = start + 1 < end ? this->loop_nodes[start + 1].loop_id : -1;
|
||
}
|
||
|
||
extrusions->entities[idx]->set_cooling_node(cooling_node);
|
||
}
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
void Layer::export_region_slices_to_svg(const char *path) const
|
||
{
|
||
BoundingBox bbox;
|
||
for (const auto *region : m_regions)
|
||
for (const auto &surface : region->slices.surfaces)
|
||
bbox.merge(get_extents(surface.expolygon));
|
||
Point legend_size = export_surface_type_legend_to_svg_box_size();
|
||
Point legend_pos(bbox.min(0), bbox.max(1));
|
||
bbox.merge(Point(std::max(bbox.min(0) + legend_size(0), bbox.max(0)), bbox.max(1) + legend_size(1)));
|
||
|
||
SVG svg(path, bbox);
|
||
const float transparency = 0.5f;
|
||
for (const auto *region : m_regions)
|
||
for (const auto &surface : region->slices.surfaces)
|
||
svg.draw(surface.expolygon, surface_type_to_color_name(surface.surface_type), transparency);
|
||
export_surface_type_legend_to_svg(svg, legend_pos);
|
||
svg.Close();
|
||
}
|
||
|
||
// Export to "out/LayerRegion-name-%d.svg" with an increasing index with every export.
|
||
void Layer::export_region_slices_to_svg_debug(const char *name) const
|
||
{
|
||
static size_t idx = 0;
|
||
this->export_region_slices_to_svg(debug_out_path("Layer-slices-%s-%d.svg", name, idx ++).c_str());
|
||
}
|
||
|
||
void Layer::export_region_fill_surfaces_to_svg(const char *path) const
|
||
{
|
||
BoundingBox bbox;
|
||
for (const auto *region : m_regions)
|
||
for (const auto &surface : region->slices.surfaces)
|
||
bbox.merge(get_extents(surface.expolygon));
|
||
Point legend_size = export_surface_type_legend_to_svg_box_size();
|
||
Point legend_pos(bbox.min(0), bbox.max(1));
|
||
bbox.merge(Point(std::max(bbox.min(0) + legend_size(0), bbox.max(0)), bbox.max(1) + legend_size(1)));
|
||
|
||
SVG svg(path, bbox);
|
||
const float transparency = 0.5f;
|
||
for (const auto *region : m_regions)
|
||
for (const auto &surface : region->slices.surfaces)
|
||
svg.draw(surface.expolygon, surface_type_to_color_name(surface.surface_type), transparency);
|
||
export_surface_type_legend_to_svg(svg, legend_pos);
|
||
svg.Close();
|
||
}
|
||
|
||
//BBS: method to simplify support path
|
||
void Layer::simplify_support_entity_collection(ExtrusionEntityCollection* entity_collection)
|
||
{
|
||
for (size_t i = 0; i < entity_collection->entities.size(); i++) {
|
||
if (ExtrusionEntityCollection* collection = dynamic_cast<ExtrusionEntityCollection*>(entity_collection->entities[i]))
|
||
this->simplify_support_entity_collection(collection);
|
||
else if (ExtrusionPath* path = dynamic_cast<ExtrusionPath*>(entity_collection->entities[i]))
|
||
this->simplify_support_path(path);
|
||
else if (ExtrusionMultiPath* multipath = dynamic_cast<ExtrusionMultiPath*>(entity_collection->entities[i]))
|
||
this->simplify_support_multi_path(multipath);
|
||
else if (ExtrusionLoop* loop = dynamic_cast<ExtrusionLoop*>(entity_collection->entities[i]))
|
||
this->simplify_support_loop(loop);
|
||
else
|
||
throw Slic3r::InvalidArgument("Invalid extrusion entity supplied to simplify_support_entity_collection()");
|
||
}
|
||
}
|
||
//BBS: method to simplify support path
|
||
void Layer::simplify_support_path(ExtrusionPath * path)
|
||
{
|
||
const auto print_config = this->object()->print()->config();
|
||
const bool spiral_mode = print_config.spiral_mode;
|
||
const bool enable_arc_fitting = print_config.enable_arc_fitting;
|
||
const auto scaled_resolution = scaled<double>(print_config.resolution.value);
|
||
|
||
if (enable_arc_fitting &&
|
||
!spiral_mode) {
|
||
path->simplify_by_fitting_arc(SCALED_SUPPORT_RESOLUTION);
|
||
} else {
|
||
path->simplify(scaled_resolution);
|
||
}
|
||
}
|
||
//BBS: method to simplify support path
|
||
void Layer::simplify_support_multi_path(ExtrusionMultiPath* multipath)
|
||
{
|
||
const auto print_config = this->object()->print()->config();
|
||
const bool spiral_mode = print_config.spiral_mode;
|
||
const bool enable_arc_fitting = print_config.enable_arc_fitting;
|
||
const auto scaled_resolution = scaled<double>(print_config.resolution.value);
|
||
|
||
for (size_t i = 0; i < multipath->paths.size(); ++i) {
|
||
if (enable_arc_fitting &&
|
||
!spiral_mode) {
|
||
multipath->paths[i].simplify_by_fitting_arc(SCALED_SUPPORT_RESOLUTION);
|
||
} else {
|
||
multipath->paths[i].simplify(scaled_resolution);
|
||
}
|
||
}
|
||
}
|
||
//BBS: method to simplify support path
|
||
void Layer::simplify_support_loop(ExtrusionLoop* loop)
|
||
{
|
||
const auto print_config = this->object()->print()->config();
|
||
const bool spiral_mode = print_config.spiral_mode;
|
||
const bool enable_arc_fitting = print_config.enable_arc_fitting;
|
||
const auto scaled_resolution = scaled<double>(print_config.resolution.value);
|
||
|
||
for (size_t i = 0; i < loop->paths.size(); ++i) {
|
||
if (enable_arc_fitting &&
|
||
!spiral_mode) {
|
||
loop->paths[i].simplify_by_fitting_arc(SCALED_SUPPORT_RESOLUTION);
|
||
} else {
|
||
loop->paths[i].simplify(scaled_resolution);
|
||
}
|
||
}
|
||
}
|
||
|
||
// Export to "out/LayerRegion-name-%d.svg" with an increasing index with every export.
|
||
void Layer::export_region_fill_surfaces_to_svg_debug(const char *name) const
|
||
{
|
||
static size_t idx = 0;
|
||
this->export_region_fill_surfaces_to_svg(debug_out_path("Layer-fill_surfaces-%s-%d.svg", name, idx ++).c_str());
|
||
}
|
||
|
||
coordf_t Layer::get_sparse_infill_max_void_area()
|
||
{
|
||
double max_void_area = 0.;
|
||
for (auto layerm : m_regions) {
|
||
Flow flow = layerm->flow(frInfill);
|
||
float density = layerm->region().config().sparse_infill_density;
|
||
InfillPattern pattern = layerm->region().config().sparse_infill_pattern;
|
||
if (density == 0.)
|
||
return -1;
|
||
|
||
//BBS: rough estimation and need to be optimized
|
||
double spacing = flow.scaled_spacing() * (100 - density) / density;
|
||
switch (pattern) {
|
||
case ipConcentric:
|
||
case ipRectilinear:
|
||
case ipLine:
|
||
case ipGyroid:
|
||
case ipAlignedRectilinear:
|
||
case ipOctagramSpiral:
|
||
case ipHilbertCurve:
|
||
case ip3DHoneycomb:
|
||
case ipArchimedeanChords:
|
||
max_void_area = std::max(max_void_area, spacing * spacing);
|
||
break;
|
||
case ipGrid:
|
||
case ipHoneycomb:
|
||
case ipLightning:
|
||
max_void_area = std::max(max_void_area, 4.0 * spacing * spacing);
|
||
break;
|
||
case ipCubic:
|
||
case ipAdaptiveCubic:
|
||
case ipTriangles:
|
||
case ipStars:
|
||
case ipSupportCubic:
|
||
max_void_area = std::max(max_void_area, 4.5 * spacing * spacing);
|
||
break;
|
||
default:
|
||
max_void_area = std::max(max_void_area, spacing * spacing);
|
||
break;
|
||
}
|
||
};
|
||
return max_void_area;
|
||
}
|
||
|
||
size_t Layer::get_extruder_id(unsigned int filament_id) const
|
||
{
|
||
return m_object->print()->get_extruder_id(filament_id);
|
||
}
|
||
|
||
BoundingBox get_extents(const LayerRegion &layer_region)
|
||
{
|
||
BoundingBox bbox;
|
||
if (!layer_region.slices.surfaces.empty()) {
|
||
bbox = get_extents(layer_region.slices.surfaces.front());
|
||
for (auto it = layer_region.slices.surfaces.cbegin() + 1; it != layer_region.slices.surfaces.cend(); ++it)
|
||
bbox.merge(get_extents(*it));
|
||
}
|
||
return bbox;
|
||
}
|
||
|
||
BoundingBox get_extents(const LayerRegionPtrs &layer_regions)
|
||
{
|
||
BoundingBox bbox;
|
||
if (!layer_regions.empty()) {
|
||
bbox = get_extents(*layer_regions.front());
|
||
for (auto it = layer_regions.begin() + 1; it != layer_regions.end(); ++it)
|
||
bbox.merge(get_extents(**it));
|
||
}
|
||
return bbox;
|
||
}
|
||
|
||
}
|