55 lines
1.7 KiB
C++
55 lines
1.7 KiB
C++
#include "SurfaceCollection.hpp"
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#include <map>
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namespace Slic3r {
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void
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SurfaceCollection::simplify(double tolerance)
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{
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Surfaces ss;
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for (Surfaces::const_iterator it_s = this->surfaces.begin(); it_s != this->surfaces.end(); ++it_s) {
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ExPolygons expp;
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it_s->expolygon.simplify(tolerance, expp);
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for (ExPolygons::const_iterator it_e = expp.begin(); it_e != expp.end(); ++it_e) {
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Surface s = *it_s;
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s.expolygon = *it_e;
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ss.push_back(s);
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}
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}
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this->surfaces = ss;
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}
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/* group surfaces by common properties */
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void
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SurfaceCollection::group(std::vector<SurfacesPtr> &retval, bool merge_solid)
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{
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typedef std::map<t_surface_group_key,SurfacesPtr> t_unique_map;
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t_unique_map unique_map;
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for (Surfaces::iterator it = this->surfaces.begin(); it != this->surfaces.end(); ++it) {
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// build the t_surface_group_key struct with this surface's properties
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t_surface_group_key key;
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if (merge_solid && it->is_solid()) {
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key.surface_type = stTop;
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} else {
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key.surface_type = it->surface_type;
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}
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key.thickness = it->thickness;
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key.thickness_layers = it->thickness_layers;
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key.bridge_angle = it->bridge_angle;
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// check whether we already have a group for these properties
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if (unique_map.find(key) == unique_map.end()) {
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// no group exists, add it
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unique_map[key] = SurfacesPtr();
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}
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unique_map[key].push_back(&*it);
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}
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retval.reserve(unique_map.size());
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for (t_unique_map::const_iterator it = unique_map.begin(); it != unique_map.end(); ++it)
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retval.push_back(it->second);
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}
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}
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