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Use rotated bounding box to calculate eccentricity

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tamasmeszaros 2020-10-09 17:21:48 +02:00
parent 899d8fc361
commit fb1f3589ed
1 changed files with 10 additions and 2 deletions
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12
src/libslic3r/SLA/SupportPointGenerator.cpp
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@ -11,8 +11,12 @@
#include "Point.hpp"
#include "ClipperUtils.hpp"
#include "Tesselate.hpp"
#include "ExPolygonCollection.hpp"
#include "libslic3r.h"
#include "libnest2d/backends/clipper/geometries.hpp"
#include "libnest2d/utils/rotcalipers.hpp"
#include <iostream>
#include <random>
@ -545,10 +549,14 @@ void SupportPointGenerator::uniformly_cover(const ExPolygons& islands, Structure
//int num_of_points = std::max(1, (int)((island.area()*pow(SCALING_FACTOR, 2) * m_config.tear_pressure)/m_config.support_force));
float support_force_deficit = deficit;
auto bb = get_extents(islands);
// auto bb = get_extents(islands);
if (flags & icfIsNew) {
Vec2d bbdim = unscaled(Vec2crd{bb.max - bb.min});
auto chull_ex = ExPolygonCollection{islands}.convex_hull();
auto chull = Slic3rMultiPoint_to_ClipperPath(chull_ex);
auto rotbox = libnest2d::minAreaBoundingBox(chull);
Vec2d bbdim = {unscaled(rotbox.width()), unscaled(rotbox.height())};
if (bbdim.x() > bbdim.y()) std::swap(bbdim.x(), bbdim.y());
double aspectr = bbdim.y() / bbdim.x();