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SoftFever 2024-05-12 23:35:41 +08:00
parent 3e9a46c5bb
commit 5daecf3583
21 changed files with 92 additions and 62 deletions
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37
src/libslic3r/Support/TreeSupport.cpp
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@ -474,7 +474,7 @@ static std::optional<std::pair<Point, size_t>> polyline_sample_next_point_at_dis
{
const double dist2 = sqr(dist);
const auto dist2i = int64_t(dist2);
static constexpr const auto eps = scaled<double>(0.01);
const auto eps = scaled<double>(0.01);
for (size_t i = start_idx + 1; i < polyline.size(); ++ i) {
const Point p1 = polyline[i];
@ -836,6 +836,9 @@ public:
{
m_already_inserted.assign(num_support_layers, {});
this->min_xy_dist = this->config.xy_distance > this->config.xy_min_distance;
m_base_radius = scaled<coord_t>(0.01);
m_base_circle = Polygon{ make_circle(m_base_radius, SUPPORT_TREE_CIRCLE_RESOLUTION) };
}
const TreeModelVolumes &volumes;
// Radius of the tree tip is large enough to be covered by an interface.
@ -971,8 +974,8 @@ private:
std::vector<SupportElements> &move_bounds;
// Temps
static constexpr const auto m_base_radius = scaled<coord_t>(0.01);
const Polygon m_base_circle { make_circle(m_base_radius, SUPPORT_TREE_CIRCLE_RESOLUTION) };
coord_t m_base_radius;
Polygon m_base_circle;
// Mutexes, guards
std::mutex m_mutex_movebounds;
@ -1567,6 +1570,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
current_elem.effective_radius_height += 1;
coord_t radius = support_element_collision_radius(config, current_elem);
const auto _tiny_area_threshold = tiny_area_threshold();
if (settings.move) {
increased = relevant_offset;
if (overspeed > 0) {
@ -1587,7 +1591,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
if (mergelayer || current_elem.to_buildplate) {
to_bp_data = safe_union(diff_clipped(increased, volumes.getAvoidance(radius, layer_idx - 1, settings.type, false, settings.use_min_distance)));
if (! current_elem.to_buildplate && area(to_bp_data) > tiny_area_threshold) {
if (! current_elem.to_buildplate && area(to_bp_data) > _tiny_area_threshold) {
// mostly happening in the tip, but with merges one should check every time, just to be sure.
current_elem.to_buildplate = true; // sometimes nodes that can reach the buildplate are marked as cant reach, tainting subtrees. This corrects it.
BOOST_LOG_TRIVIAL(debug) << "Corrected taint leading to a wrong to model value on layer " << layer_idx - 1 << " targeting " <<
@ -1599,7 +1603,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
to_model_data = safe_union(diff_clipped(increased, volumes.getAvoidance(radius, layer_idx - 1, settings.type, true, settings.use_min_distance)));
if (!current_elem.to_model_gracious) {
if (mergelayer && area(to_model_data) >= tiny_area_threshold) {
if (mergelayer && area(to_model_data) >= _tiny_area_threshold) {
current_elem.to_model_gracious = true;
BOOST_LOG_TRIVIAL(debug) << "Corrected taint leading to a wrong non gracious value on layer " << layer_idx - 1 << " targeting " <<
current_elem.target_height << " with radius " << radius;
@ -1611,7 +1615,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
check_layer_data = current_elem.to_buildplate ? to_bp_data : to_model_data;
if (settings.increase_radius && area(check_layer_data) > tiny_area_threshold) {
if (settings.increase_radius && area(check_layer_data) > _tiny_area_threshold) {
auto validWithRadius = [&](coord_t next_radius) {
if (volumes.ceilRadius(next_radius, settings.use_min_distance) <= volumes.ceilRadius(radius, settings.use_min_distance))
return true;
@ -1627,7 +1631,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
volumes.getAvoidance(next_radius, layer_idx - 1, settings.type, true, settings.use_min_distance) :
volumes.getCollision(next_radius, layer_idx - 1, settings.use_min_distance));
Polygons check_layer_data_2 = current_elem.to_buildplate ? to_bp_data_2 : to_model_data_2;
return area(check_layer_data_2) > tiny_area_threshold;
return area(check_layer_data_2) > _tiny_area_threshold;
};
coord_t ceil_radius_before = volumes.ceilRadius(radius, settings.use_min_distance);
@ -1670,7 +1674,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
volumes.getCollision(radius, layer_idx - 1, settings.use_min_distance)
));
check_layer_data = current_elem.to_buildplate ? to_bp_data : to_model_data;
if (area(check_layer_data) < tiny_area_threshold) {
if (area(check_layer_data) < _tiny_area_threshold) {
BOOST_LOG_TRIVIAL(error) << "Lost area by doing catch up from " << ceil_radius_before << " to radius " <<
volumes.ceilRadius(support_element_collision_radius(config, current_elem), settings.use_min_distance);
tree_supports_show_error("Area lost catching up radius. May not cause visible malformation."sv, true);
@ -1678,7 +1682,7 @@ static Point move_inside_if_outside(const Polygons &polygons, Point from, int di
}
}
return area(check_layer_data) > tiny_area_threshold ? std::optional<SupportElementState>(current_elem) : std::optional<SupportElementState>();
return area(check_layer_data) > _tiny_area_threshold ? std::optional<SupportElementState>(current_elem) : std::optional<SupportElementState>();
}
struct SupportElementInfluenceAreas {
@ -2147,13 +2151,14 @@ static bool merge_influence_areas_two_elements(
merging_to_bp ? smaller_rad.areas.to_bp_areas : smaller_rad.areas.to_model_areas,
merging_to_bp ? bigger_rad.areas.to_bp_areas : bigger_rad.areas.to_model_areas);
const auto _tiny_area_threshold = tiny_area_threshold();
// dont use empty as a line is not empty, but for this use-case it very well may be (and would be one layer down as union does not keep lines)
// check if the overlap is large enough (Small ares tend to attract rounding errors in clipper).
if (area(intersect) <= tiny_area_threshold)
if (area(intersect) <= _tiny_area_threshold)
return false;
// While 0.025 was guessed as enough, i did not have reason to change it.
if (area(offset(intersect, scaled<float>(-0.025), jtMiter, 1.2)) <= tiny_area_threshold)
if (area(offset(intersect, scaled<float>(-0.025), jtMiter, 1.2)) <= _tiny_area_threshold)
return false;
#ifdef TREES_MERGE_RATHER_LATER
@ -2417,6 +2422,7 @@ static void create_layer_pathing(const TreeModelVolumes &volumes, const TreeSupp
LayerIndex last_merge_layer_idx = move_bounds.size();
bool new_element = false;
const auto _tiny_area_threshold = tiny_area_threshold();
// Ensures at least one merge operation per 3mm height, 50 layers, 1 mm movement of slow speed or 5mm movement of fast speed (whatever is lowest). Values were guessed.
size_t max_merge_every_x_layers = std::min(std::min(5000 / (std::max(config.maximum_move_distance, coord_t(100))), 1000 / std::max(config.maximum_move_distance_slow, coord_t(20))), 3000 / config.layer_height);
@ -2447,12 +2453,12 @@ static void create_layer_pathing(const TreeModelVolumes &volumes, const TreeSupp
// Place already fully constructed elements to the output, remove them from influence_areas.
SupportElements &this_layer = move_bounds[layer_idx - 1];
influence_areas.erase(std::remove_if(influence_areas.begin(), influence_areas.end(),
[&this_layer, layer_idx](SupportElementMerging &elem) {
[&this_layer, &_tiny_area_threshold, layer_idx](SupportElementMerging &elem) {
if (elem.areas.influence_areas.empty())
// This area was removed completely due to collisions.
return true;
if (elem.areas.to_bp_areas.empty() && elem.areas.to_model_areas.empty()) {
if (area(elem.areas.influence_areas) < tiny_area_threshold) {
if (area(elem.areas.influence_areas) < _tiny_area_threshold) {
BOOST_LOG_TRIVIAL(error) << "Insert Error of Influence area bypass on layer " << layer_idx - 1;
tree_supports_show_error("Insert error of area after bypassing merge.\n"sv, true);
}
@ -2485,7 +2491,7 @@ static void create_layer_pathing(const TreeModelVolumes &volumes, const TreeSupp
for (SupportElementMerging &elem : influence_areas)
if (! elem.areas.influence_areas.empty()) {
Polygons new_area = safe_union(elem.areas.influence_areas);
if (area(new_area) < tiny_area_threshold) {
if (area(new_area) < _tiny_area_threshold) {
BOOST_LOG_TRIVIAL(error) << "Insert Error of Influence area on layer " << layer_idx - 1 << ". Origin of " << elem.parents.size() << " areas. Was to bp " << elem.state.to_buildplate;
tree_supports_show_error("Insert error of area after merge.\n"sv, true);
}
@ -3050,6 +3056,7 @@ static void drop_non_gracious_areas(
std::vector<Polygons> &support_layer_storage,
std::function<void()> throw_on_cancel)
{
const auto _tiny_area_threshold = tiny_area_threshold();
std::vector<std::vector<std::pair<LayerIndex, Polygons>>> dropped_down_areas(linear_data.size());
tbb::parallel_for(tbb::blocked_range<size_t>(0, linear_data.size()),
[&](const tbb::blocked_range<size_t> &range) {
@ -3058,7 +3065,7 @@ static void drop_non_gracious_areas(
if (const DrawArea &draw_element = linear_data[idx]; ! draw_element.element->state.to_model_gracious && draw_element.child_element == nullptr) {
Polygons rest_support;
const LayerIndex layer_idx_first = draw_element.element->state.layer_idx - 1;
for (LayerIndex layer_idx = layer_idx_first; area(rest_support) > tiny_area_threshold && layer_idx >= 0; -- layer_idx) {
for (LayerIndex layer_idx = layer_idx_first; area(rest_support) > _tiny_area_threshold && layer_idx >= 0; -- layer_idx) {
rest_support = diff_clipped(layer_idx == layer_idx_first ? draw_element.polygons : rest_support, volumes.getCollision(0, layer_idx, false));
dropped_down_areas[idx].emplace_back(layer_idx, rest_support);
}