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Adding rotating calipers algorithm for minimum are bounding box rotation.

Browse source 
Cleanup, fix build on windows and add test for rotcalipers.

Try to fix compilation on windows

With updates from libnest2d
Another build fix.


Clean up and add comments.


adding rotcalipers test  and some cleanup


Trying to fix on OSX


Fix rotcalipers array indexing


Get rid of boost convex hull.


Adding helper function 'remove_collinear_points'


Importing new libnest2d upgrades.


Disable using __int128 in NFP on OSX
This commit is contained in:
tamasmeszaros 2019-06-06 14:27:07 +02:00
parent 6136fe7d92
commit d4fe7b5a96
25 changed files with 1272 additions and 856 deletions
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53
src/slic3r/GUI/Plater.cpp
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@ -37,7 +37,12 @@
#include "libslic3r/SLA/SLARotfinder.hpp"
#include "libslic3r/Utils.hpp"
#include "libnest2d/optimizers/nlopt/genetic.hpp"
//#include "libslic3r/ClipperUtils.hpp"
// #include "libnest2d/optimizers/nlopt/genetic.hpp"
// #include "libnest2d/backends/clipper/geometries.hpp"
// #include "libnest2d/utils/rotcalipers.hpp"
#include "libslic3r/MinAreaBoundingBox.hpp"
#include "GUI.hpp"
#include "GUI_App.hpp"
@ -2261,46 +2266,18 @@ void Plater::priv::sla_optimize_rotation() {
for(auto& v : bedpoints) bed.append(Point::new_scale(v(0), v(1)));
double mindist = 6.0; // FIXME
double offs = mindist / 2.0 - EPSILON;
if(rotoptimizing) // wasn't canceled
for(ModelInstance * oi : o->instances) {
oi->set_rotation({r[X], r[Y], r[Z]});
auto trchull = o->convex_hull_2d(oi->get_transformation().get_matrix());
namespace opt = libnest2d::opt;
opt::StopCriteria stopcr;
stopcr.relative_score_difference = 0.01;
stopcr.max_iterations = 10000;
stopcr.stop_score = 0.0;
opt::GeneticOptimizer solver(stopcr);
Polygon pbed(bed);
auto bin = pbed.bounding_box();
double binw = bin.size()(X) * SCALING_FACTOR - offs;
double binh = bin.size()(Y) * SCALING_FACTOR - offs;
auto result = solver.optimize_min([&trchull, binw, binh](double rot){
auto chull = trchull;
chull.rotate(rot);
auto bb = chull.bounding_box();
double bbw = bb.size()(X) * SCALING_FACTOR;
double bbh = bb.size()(Y) * SCALING_FACTOR;
auto wdiff = bbw - binw;
auto hdiff = bbh - binh;
double diff = 0;
if(wdiff < 0 && hdiff < 0) diff = wdiff + hdiff;
if(wdiff > 0) diff += wdiff;
if(hdiff > 0) diff += hdiff;
return diff;
}, opt::initvals(0.0), opt::bound(-PI/2, PI/2));
double r = std::get<0>(result.optimum);
Polygon trchull = o->convex_hull_2d(oi->get_transformation().get_matrix());
MinAreaBoundigBox rotbb(trchull, MinAreaBoundigBox::pcConvex);
double r = rotbb.angle_to_X();
// The box should be landscape
if(rotbb.width() < rotbb.height()) r += PI / 2;
Vec3d rt = oi->get_rotation(); rt(Z) += r;
oi->set_rotation(rt);
}