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Reduce points laying on the outline outline but still more often than field inside for initila sampling

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Fix field endings
add check on inner
This commit is contained in:
Filip Sykala - NTB T15p 2024-10-07 17:28:10 +02:00 committed by Lukas Matena
parent 537c5da543
commit ed3178f1c1
2 changed files with 23 additions and 12 deletions
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4
src/libslic3r/SLA/SupportIslands/SampleConfigFactory.hpp
View File

@ -74,13 +74,13 @@ public:
result.min_width_for_outline_support = result.max_width_for_center_support_line - 2 * head_diameter;
assert(result.min_width_for_outline_support <= result.max_width_for_center_support_line);
result.outline_sample_distance = result.max_distance/4;
result.outline_sample_distance = 3*result.max_distance/4;
// Align support points
// TODO: propagate print resolution
result.minimal_move = scale_(0.1); // 0.1 mm is enough
// [in nanometers --> 0.01mm ], devide from print resolution to quater pixel is too strict
result.count_iteration = 50; // speed VS precission
result.count_iteration = 30; // speed VS precission
result.max_align_distance = result.max_distance / 2;
return result;

31
src/libslic3r/SLA/SupportIslands/SampleIslandUtils.cpp
View File

@ -22,10 +22,10 @@
// comment definition of NDEBUG to enable assert()
//#define NDEBUG
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_INITIAL_SAMPLE_POSITION_TO_SVG_PATH "C:/data/temp/initial_sample_positions.svg"
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG_PATH "C:/data/temp/align/island_<<COUNTER>>_graph.svg"
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_INITIAL_SAMPLE_POSITION_TO_SVG_PATH "C:/data/temp/align/island_<<COUNTER>>_init.svg"
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_FIELD_TO_SVG
#define SLA_SAMPLE_ISLAND_UTILS_STORE_ALIGNED_TO_SVG_PATH "C:/data/temp/align/island_<<COUNTER>>.svg"
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_ALIGNED_TO_SVG_PATH "C:/data/temp/align/island_<<COUNTER>>_aligned.svg"
//#define SLA_SAMPLE_ISLAND_UTILS_STORE_ALIGN_ONCE_TO_SVG_PATH "C:/data/temp/align_once/iter_<<COUNTER>>.svg"
//#define SLA_SAMPLE_ISLAND_UTILS_DEBUG_CELL_DISTANCE_PATH "C:/data/temp/island_cell.svg"
@ -978,21 +978,23 @@ SupportIslandPoints SampleIslandUtils::sample_voronoi_graph(
longest_path = VoronoiGraphUtils::create_longest_path(start_node);
// longest_path = create_longest_path_recursive(start_node);
#ifdef SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG
#ifdef SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG_PATH
{
static int counter = 0;
SVG svg("voronoiGraph" + std::to_string(counter++) + ".svg",
LineUtils::create_bounding_box(lines));
SVG svg(replace_first(SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG_PATH,
"<<COUNTER>>", std::to_string(counter++)).c_str(), LineUtils::create_bounding_box(lines));
VoronoiGraphUtils::draw(svg, graph, lines, config.head_radius / 10, true);
VoronoiGraphUtils::draw(svg, longest_path, config.head_radius / 10);
}
#endif // SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG
#endif // SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG_PATH
SupportIslandPoints points = sample_expath(longest_path, lines, config);
#ifdef SLA_SAMPLE_ISLAND_UTILS_STORE_INITIAL_SAMPLE_POSITION_TO_SVG_PATH
{
SVG svg(SLA_SAMPLE_ISLAND_UTILS_STORE_INITIAL_SAMPLE_POSITION_TO_SVG_PATH,
static int counter = 0;
SVG svg(replace_first(SLA_SAMPLE_ISLAND_UTILS_STORE_INITIAL_SAMPLE_POSITION_TO_SVG_PATH,
"<<COUNTER>>", std::to_string(counter++)).c_str(),
LineUtils::create_bounding_box(lines));
svg.draw(lines, "gray", config.head_radius/ 10);
draw(svg, points, config.head_radius, "black", true);
@ -1211,7 +1213,7 @@ std::optional<VoronoiGraph::Position> SampleIslandUtils::sample_center(
bool is_continous = false;
// Loop over thin part of island which need to be sampled on the voronoi skeleton.
while (start.neighbor->max_width() <= config.max_width_for_center_support_line) {
while (!is_continous || start.neighbor->max_width() <= config.max_width_for_center_support_line) {
assert(done.find(start.neighbor->node) == done.end()); // not proccessed only
// add support when it is in distance from last added
if (add_support_on_neighbor_edge(start.neighbor, start.support_in, results, config))
@ -1592,6 +1594,12 @@ SampleIslandUtils::Field SampleIslandUtils::create_field(
source_indexes.push_back(change.next_line_index);
}
done.insert(index);
// change into first index - loop is finished by change
if (index != input_index &&
input_index == change.next_line_index)
return false;
index = change.next_line_index;
change_item = wide_tiny_changes.find(index);
}
@ -1808,6 +1816,9 @@ SupportIslandPoints SampleIslandUtils::sample_outline(
auto sample_polygon = [&](const Polygon &polygon,
const Polygon &inner_polygon,
size_t index_offset) {
if (inner_polygon.empty())
return; // nothing to sample
// contain polygon tiny wide change?
size_t first_change_index = polygon.size();
for (size_t polygon_index = 0; polygon_index < polygon.size(); ++polygon_index) {
@ -1932,7 +1943,7 @@ bool SampleIslandUtils::is_visualization_disabled()
#ifndef NDEBUG
return false;
#endif
#ifdef SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG
#ifdef SLA_SAMPLE_ISLAND_UTILS_STORE_VORONOI_GRAPH_TO_SVG_PATH
return false;
#endif
#ifdef SLA_SAMPLE_ISLAND_UTILS_STORE_INITIAL_SAMPLE_POSITION_TO_SVG_PATH