990 lines
44 KiB
C++
990 lines
44 KiB
C++
/*
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Copyright 2008 Intel Corporation
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Use, modification and distribution are subject to the Boost Software License,
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Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt).
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*/
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#ifndef BOOST_POLYGON_POLYGON_90_SET_DATA_HPP
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#define BOOST_POLYGON_POLYGON_90_SET_DATA_HPP
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#include "isotropy.hpp"
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#include "point_concept.hpp"
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#include "transform.hpp"
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#include "interval_concept.hpp"
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#include "rectangle_concept.hpp"
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#include "segment_concept.hpp"
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#include "detail/iterator_points_to_compact.hpp"
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#include "detail/iterator_compact_to_points.hpp"
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#include "polygon_traits.hpp"
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//manhattan boolean algorithms
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#include "detail/boolean_op.hpp"
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#include "detail/polygon_formation.hpp"
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#include "detail/rectangle_formation.hpp"
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#include "detail/max_cover.hpp"
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#include "detail/property_merge.hpp"
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#include "detail/polygon_90_touch.hpp"
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#include "detail/iterator_geometry_to_set.hpp"
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namespace boost { namespace polygon{
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template <typename ltype, typename rtype, typename op_type>
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class polygon_90_set_view;
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template <typename T>
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class polygon_90_set_data {
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public:
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typedef T coordinate_type;
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typedef std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > > value_type;
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typedef typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::const_iterator iterator_type;
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typedef polygon_90_set_data operator_arg_type;
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// default constructor
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inline polygon_90_set_data() : orient_(HORIZONTAL), data_(), dirty_(false), unsorted_(false) {}
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// constructor
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inline polygon_90_set_data(orientation_2d orient) : orient_(orient), data_(), dirty_(false), unsorted_(false) {}
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// constructor from an iterator pair over vertex data
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template <typename iT>
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inline polygon_90_set_data(orientation_2d orient, iT input_begin, iT input_end) :
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orient_(HORIZONTAL), data_(), dirty_(false), unsorted_(false) {
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dirty_ = true;
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unsorted_ = true;
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for( ; input_begin != input_end; ++input_begin) { insert(*input_begin); }
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}
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// copy constructor
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inline polygon_90_set_data(const polygon_90_set_data& that) :
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orient_(that.orient_), data_(that.data_), dirty_(that.dirty_), unsorted_(that.unsorted_) {}
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template <typename ltype, typename rtype, typename op_type>
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inline polygon_90_set_data(const polygon_90_set_view<ltype, rtype, op_type>& that);
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// copy with orientation change constructor
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inline polygon_90_set_data(orientation_2d orient, const polygon_90_set_data& that) :
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orient_(orient), data_(), dirty_(false), unsorted_(false) {
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insert(that, false, that.orient_);
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}
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// destructor
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inline ~polygon_90_set_data() {}
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// assignement operator
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inline polygon_90_set_data& operator=(const polygon_90_set_data& that) {
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if(this == &that) return *this;
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orient_ = that.orient_;
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data_ = that.data_;
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dirty_ = that.dirty_;
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unsorted_ = that.unsorted_;
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return *this;
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}
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template <typename ltype, typename rtype, typename op_type>
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inline polygon_90_set_data& operator=(const polygon_90_set_view<ltype, rtype, op_type>& that);
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template <typename geometry_object>
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inline polygon_90_set_data& operator=(const geometry_object& geometry) {
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data_.clear();
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insert(geometry);
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return *this;
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}
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// insert iterator range
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inline void insert(iterator_type input_begin, iterator_type input_end, orientation_2d orient = HORIZONTAL) {
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if(input_begin == input_end || (!data_.empty() && &(*input_begin) == &(*(data_.begin())))) return;
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dirty_ = true;
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unsorted_ = true;
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if(orient == orient_)
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data_.insert(data_.end(), input_begin, input_end);
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else {
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for( ; input_begin != input_end; ++input_begin) {
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insert(*input_begin, false, orient);
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}
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}
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}
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// insert iterator range
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template <typename iT>
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inline void insert(iT input_begin, iT input_end, orientation_2d orient = HORIZONTAL) {
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if(input_begin == input_end) return;
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dirty_ = true;
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unsorted_ = true;
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for( ; input_begin != input_end; ++input_begin) {
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insert(*input_begin, false, orient);
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}
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}
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inline void insert(const polygon_90_set_data& polygon_set) {
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insert(polygon_set.begin(), polygon_set.end(), polygon_set.orient());
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}
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inline void insert(const std::pair<std::pair<point_data<coordinate_type>, point_data<coordinate_type> >, int>& edge, bool is_hole = false,
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orientation_2d orient = HORIZONTAL) {
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std::pair<coordinate_type, std::pair<coordinate_type, int> > vertex;
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vertex.first = edge.first.first.x();
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vertex.second.first = edge.first.first.y();
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vertex.second.second = edge.second * (is_hole ? -1 : 1);
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insert(vertex, false, VERTICAL);
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vertex.first = edge.first.second.x();
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vertex.second.first = edge.first.second.y();
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vertex.second.second *= -1;
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insert(vertex, false, VERTICAL);
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}
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template <typename geometry_type>
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inline void insert(const geometry_type& geometry_object, bool is_hole = false, orientation_2d = HORIZONTAL) {
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iterator_geometry_to_set<typename geometry_concept<geometry_type>::type, geometry_type>
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begin_input(geometry_object, LOW, orient_, is_hole), end_input(geometry_object, HIGH, orient_, is_hole);
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insert(begin_input, end_input, orient_);
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}
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inline void insert(const std::pair<coordinate_type, std::pair<coordinate_type, int> >& vertex, bool is_hole = false,
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orientation_2d orient = HORIZONTAL) {
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data_.push_back(vertex);
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if(orient != orient_) std::swap(data_.back().first, data_.back().second.first);
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if(is_hole) data_.back().second.second *= -1;
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dirty_ = true;
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unsorted_ = true;
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}
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inline void insert(coordinate_type major_coordinate, const std::pair<interval_data<coordinate_type>, int>& edge) {
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std::pair<coordinate_type, std::pair<coordinate_type, int> > vertex;
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vertex.first = major_coordinate;
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vertex.second.first = edge.first.get(LOW);
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vertex.second.second = edge.second;
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insert(vertex, false, orient_);
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vertex.second.first = edge.first.get(HIGH);
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vertex.second.second *= -1;
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insert(vertex, false, orient_);
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}
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template <typename output_container>
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inline void get(output_container& output) const {
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get_dispatch(output, typename geometry_concept<typename output_container::value_type>::type());
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}
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template <typename output_container>
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inline void get(output_container& output, size_t vthreshold) const {
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get_dispatch(output, typename geometry_concept<typename output_container::value_type>::type(), vthreshold);
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}
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template <typename output_container>
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inline void get_polygons(output_container& output) const {
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get_dispatch(output, polygon_90_concept());
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}
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template <typename output_container>
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inline void get_rectangles(output_container& output) const {
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clean();
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form_rectangles(output, data_.begin(), data_.end(), orient_, rectangle_concept());
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}
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template <typename output_container>
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inline void get_rectangles(output_container& output, orientation_2d slicing_orientation) const {
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if(slicing_orientation == orient_) {
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get_rectangles(output);
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} else {
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polygon_90_set_data<coordinate_type> ps(*this);
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ps.transform(axis_transformation(axis_transformation::SWAP_XY));
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output_container result;
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ps.get_rectangles(result);
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for(typename output_container::iterator itr = result.begin(); itr != result.end(); ++itr) {
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::boost::polygon::transform(*itr, axis_transformation(axis_transformation::SWAP_XY));
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}
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output.insert(output.end(), result.begin(), result.end());
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}
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}
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// equivalence operator
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inline bool operator==(const polygon_90_set_data& p) const {
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if(orient_ == p.orient()) {
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clean();
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p.clean();
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return data_ == p.data_;
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} else {
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return false;
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}
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}
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// inequivalence operator
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inline bool operator!=(const polygon_90_set_data& p) const {
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return !((*this) == p);
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}
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// get iterator to begin vertex data
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inline iterator_type begin() const {
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return data_.begin();
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}
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// get iterator to end vertex data
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inline iterator_type end() const {
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return data_.end();
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}
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const value_type& value() const {
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return data_;
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}
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// clear the contents of the polygon_90_set_data
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inline void clear() { data_.clear(); dirty_ = unsorted_ = false; }
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// find out if Polygon set is empty
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inline bool empty() const { clean(); return data_.empty(); }
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// get the Polygon set size in vertices
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inline std::size_t size() const { clean(); return data_.size(); }
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// get the current Polygon set capacity in vertices
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inline std::size_t capacity() const { return data_.capacity(); }
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// reserve size of polygon set in vertices
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inline void reserve(std::size_t size) { return data_.reserve(size); }
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// find out if Polygon set is sorted
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inline bool sorted() const { return !unsorted_; }
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// find out if Polygon set is clean
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inline bool dirty() const { return dirty_; }
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// get the scanline orientation of the polygon set
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inline orientation_2d orient() const { return orient_; }
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// Start BM
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// The problem: If we have two polygon sets with two different scanline orientations:
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// I tried changing the orientation of one to coincide with other (If not, resulting boolean operation
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// produces spurious results).
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// First I tried copying polygon data from one of the sets into another set with corrected orientation
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// using one of the copy constructor that takes in orientation (see somewhere above in this file) --> copy constructor throws error
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// Then I tried another approach:(see below). This approach also fails to produce the desired results when test case is run.
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// Here is the part that beats me: If I comment out the whole section, I can do all the operations (^=, -=, &= )these commented out
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// operations perform. So then why do we need them?. Hence, I commented out this whole section.
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// End BM
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// polygon_90_set_data<coordinate_type>& operator-=(const polygon_90_set_data& that) {
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// sort();
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// that.sort();
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// value_type data;
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// std::swap(data, data_);
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// applyBooleanBinaryOp(data.begin(), data.end(),
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// that.begin(), that.end(), boolean_op::BinaryCount<boolean_op::BinaryNot>());
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// return *this;
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// }
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// polygon_90_set_data<coordinate_type>& operator^=(const polygon_90_set_data& that) {
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// sort();
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// that.sort();
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// value_type data;
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// std::swap(data, data_);
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// applyBooleanBinaryOp(data.begin(), data.end(),
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// that.begin(), that.end(), boolean_op::BinaryCount<boolean_op::BinaryXor>());
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// return *this;
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// }
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// polygon_90_set_data<coordinate_type>& operator&=(const polygon_90_set_data& that) {
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// sort();
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// that.sort();
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// value_type data;
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// std::swap(data, data_);
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// applyBooleanBinaryOp(data.begin(), data.end(),
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// that.begin(), that.end(), boolean_op::BinaryCount<boolean_op::BinaryAnd>());
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// return *this;
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// }
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// polygon_90_set_data<coordinate_type>& operator|=(const polygon_90_set_data& that) {
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// insert(that);
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// return *this;
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// }
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void clean() const {
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sort();
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if(dirty_) {
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boolean_op::default_arg_workaround<int>::applyBooleanOr(data_);
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dirty_ = false;
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}
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}
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void sort() const{
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if(unsorted_) {
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polygon_sort(data_.begin(), data_.end());
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unsorted_ = false;
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}
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}
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template <typename input_iterator_type>
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void set(input_iterator_type input_begin, input_iterator_type input_end, orientation_2d orient) {
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data_.clear();
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reserve(std::distance(input_begin, input_end));
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data_.insert(data_.end(), input_begin, input_end);
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orient_ = orient;
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dirty_ = true;
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unsorted_ = true;
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}
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void set(const value_type& value, orientation_2d orient) {
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data_ = value;
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orient_ = orient;
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dirty_ = true;
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unsorted_ = true;
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}
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//extents
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template <typename rectangle_type>
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bool
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extents(rectangle_type& extents_rectangle) const {
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clean();
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if(data_.empty()) return false;
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if(orient_ == HORIZONTAL)
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set_points(extents_rectangle, point_data<coordinate_type>(data_[0].second.first, data_[0].first),
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point_data<coordinate_type>(data_[data_.size() - 1].second.first, data_[data_.size() - 1].first));
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else
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set_points(extents_rectangle, point_data<coordinate_type>(data_[0].first, data_[0].second.first),
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point_data<coordinate_type>(data_[data_.size() - 1].first, data_[data_.size() - 1].second.first));
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for(std::size_t i = 1; i < data_.size() - 1; ++i) {
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if(orient_ == HORIZONTAL)
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encompass(extents_rectangle, point_data<coordinate_type>(data_[i].second.first, data_[i].first));
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else
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encompass(extents_rectangle, point_data<coordinate_type>(data_[i].first, data_[i].second.first));
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}
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return true;
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}
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polygon_90_set_data&
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bloat2(typename coordinate_traits<coordinate_type>::unsigned_area_type west_bloating,
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typename coordinate_traits<coordinate_type>::unsigned_area_type east_bloating,
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typename coordinate_traits<coordinate_type>::unsigned_area_type south_bloating,
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typename coordinate_traits<coordinate_type>::unsigned_area_type north_bloating) {
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std::vector<rectangle_data<coordinate_type> > rects;
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clean();
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rects.reserve(data_.size() / 2);
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get(rects);
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rectangle_data<coordinate_type> convolutionRectangle(interval_data<coordinate_type>(-((coordinate_type)west_bloating),
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(coordinate_type)east_bloating),
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interval_data<coordinate_type>(-((coordinate_type)south_bloating),
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(coordinate_type)north_bloating));
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for(typename std::vector<rectangle_data<coordinate_type> >::iterator itr = rects.begin();
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itr != rects.end(); ++itr) {
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convolve(*itr, convolutionRectangle);
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}
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clear();
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insert(rects.begin(), rects.end());
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return *this;
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}
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static void modify_pt(point_data<coordinate_type>& pt, const point_data<coordinate_type>& prev_pt,
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const point_data<coordinate_type>& current_pt, const point_data<coordinate_type>& next_pt,
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coordinate_type west_bloating,
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coordinate_type east_bloating,
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coordinate_type south_bloating,
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coordinate_type north_bloating) {
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bool pxl = prev_pt.x() < current_pt.x();
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bool pyl = prev_pt.y() < current_pt.y();
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bool nxl = next_pt.x() < current_pt.x();
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bool nyl = next_pt.y() < current_pt.y();
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bool pxg = prev_pt.x() > current_pt.x();
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bool pyg = prev_pt.y() > current_pt.y();
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bool nxg = next_pt.x() > current_pt.x();
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bool nyg = next_pt.y() > current_pt.y();
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//two of the four if statements will execute
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if(pxl)
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pt.y(current_pt.y() - south_bloating);
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if(pxg)
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pt.y(current_pt.y() + north_bloating);
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if(nxl)
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pt.y(current_pt.y() + north_bloating);
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if(nxg)
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pt.y(current_pt.y() - south_bloating);
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if(pyl)
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pt.x(current_pt.x() + east_bloating);
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if(pyg)
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pt.x(current_pt.x() - west_bloating);
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if(nyl)
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pt.x(current_pt.x() - west_bloating);
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if(nyg)
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pt.x(current_pt.x() + east_bloating);
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}
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static void resize_poly_up(std::vector<point_data<coordinate_type> >& poly,
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coordinate_type west_bloating,
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coordinate_type east_bloating,
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coordinate_type south_bloating,
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coordinate_type north_bloating) {
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point_data<coordinate_type> first_pt = poly[0];
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point_data<coordinate_type> second_pt = poly[1];
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point_data<coordinate_type> prev_pt = poly[0];
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point_data<coordinate_type> current_pt = poly[1];
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for(std::size_t i = 2; i < poly.size(); ++i) {
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point_data<coordinate_type> next_pt = poly[i];
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modify_pt(poly[i-1], prev_pt, current_pt, next_pt, west_bloating, east_bloating, south_bloating, north_bloating);
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prev_pt = current_pt;
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current_pt = next_pt;
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}
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point_data<coordinate_type> next_pt = first_pt;
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modify_pt(poly.back(), prev_pt, current_pt, next_pt, west_bloating, east_bloating, south_bloating, north_bloating);
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prev_pt = current_pt;
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current_pt = next_pt;
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next_pt = second_pt;
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modify_pt(poly[0], prev_pt, current_pt, next_pt, west_bloating, east_bloating, south_bloating, north_bloating);
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remove_colinear_pts(poly);
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}
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static bool resize_poly_down(std::vector<point_data<coordinate_type> >& poly,
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coordinate_type west_shrinking,
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coordinate_type east_shrinking,
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coordinate_type south_shrinking,
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coordinate_type north_shrinking) {
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rectangle_data<coordinate_type> extents_rectangle;
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set_points(extents_rectangle, poly[0], poly[0]);
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point_data<coordinate_type> first_pt = poly[0];
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point_data<coordinate_type> second_pt = poly[1];
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point_data<coordinate_type> prev_pt = poly[0];
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point_data<coordinate_type> current_pt = poly[1];
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encompass(extents_rectangle, current_pt);
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for(std::size_t i = 2; i < poly.size(); ++i) {
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point_data<coordinate_type> next_pt = poly[i];
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encompass(extents_rectangle, next_pt);
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modify_pt(poly[i-1], prev_pt, current_pt, next_pt, west_shrinking, east_shrinking, south_shrinking, north_shrinking);
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prev_pt = current_pt;
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current_pt = next_pt;
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}
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if(delta(extents_rectangle, HORIZONTAL) < std::abs(west_shrinking + east_shrinking))
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return false;
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if(delta(extents_rectangle, VERTICAL) < std::abs(north_shrinking + south_shrinking))
|
|
return false;
|
|
point_data<coordinate_type> next_pt = first_pt;
|
|
modify_pt(poly.back(), prev_pt, current_pt, next_pt, west_shrinking, east_shrinking, south_shrinking, north_shrinking);
|
|
prev_pt = current_pt;
|
|
current_pt = next_pt;
|
|
next_pt = second_pt;
|
|
modify_pt(poly[0], prev_pt, current_pt, next_pt, west_shrinking, east_shrinking, south_shrinking, north_shrinking);
|
|
return remove_colinear_pts(poly);
|
|
}
|
|
|
|
static bool remove_colinear_pts(std::vector<point_data<coordinate_type> >& poly) {
|
|
bool found_colinear = true;
|
|
while(found_colinear && poly.size() >= 4) {
|
|
found_colinear = false;
|
|
typename std::vector<point_data<coordinate_type> >::iterator itr = poly.begin();
|
|
itr += poly.size() - 1; //get last element position
|
|
typename std::vector<point_data<coordinate_type> >::iterator itr2 = poly.begin();
|
|
typename std::vector<point_data<coordinate_type> >::iterator itr3 = itr2;
|
|
++itr3;
|
|
std::size_t count = 0;
|
|
for( ; itr3 < poly.end(); ++itr3) {
|
|
if(((*itr).x() == (*itr2).x() && (*itr).x() == (*itr3).x()) ||
|
|
((*itr).y() == (*itr2).y() && (*itr).y() == (*itr3).y()) ) {
|
|
++count;
|
|
found_colinear = true;
|
|
} else {
|
|
itr = itr2;
|
|
++itr2;
|
|
}
|
|
*itr2 = *itr3;
|
|
}
|
|
itr3 = poly.begin();
|
|
if(((*itr).x() == (*itr2).x() && (*itr).x() == (*itr3).x()) ||
|
|
((*itr).y() == (*itr2).y() && (*itr).y() == (*itr3).y()) ) {
|
|
++count;
|
|
found_colinear = true;
|
|
}
|
|
poly.erase(poly.end() - count, poly.end());
|
|
}
|
|
return poly.size() >= 4;
|
|
}
|
|
|
|
polygon_90_set_data&
|
|
bloat(typename coordinate_traits<coordinate_type>::unsigned_area_type west_bloating,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type east_bloating,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type south_bloating,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type north_bloating) {
|
|
std::list<polygon_45_with_holes_data<coordinate_type> > polys;
|
|
get(polys);
|
|
clear();
|
|
for(typename std::list<polygon_45_with_holes_data<coordinate_type> >::iterator itr = polys.begin();
|
|
itr != polys.end(); ++itr) {
|
|
//polygon_90_set_data<coordinate_type> psref;
|
|
//psref.insert(view_as<polygon_90_concept>((*itr).self_));
|
|
//rectangle_data<coordinate_type> prerect;
|
|
//psref.extents(prerect);
|
|
resize_poly_up((*itr).self_.coords_, (coordinate_type)west_bloating, (coordinate_type)east_bloating,
|
|
(coordinate_type)south_bloating, (coordinate_type)north_bloating);
|
|
iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
begin_input(view_as<polygon_90_concept>((*itr).self_), LOW, orient_, false, true, COUNTERCLOCKWISE),
|
|
end_input(view_as<polygon_90_concept>((*itr).self_), HIGH, orient_, false, true, COUNTERCLOCKWISE);
|
|
insert(begin_input, end_input, orient_);
|
|
//polygon_90_set_data<coordinate_type> pstest;
|
|
//pstest.insert(view_as<polygon_90_concept>((*itr).self_));
|
|
//psref.bloat2(west_bloating, east_bloating, south_bloating, north_bloating);
|
|
//if(!equivalence(psref, pstest)) {
|
|
// std::cout << "test failed\n";
|
|
//}
|
|
for(typename std::list<polygon_45_data<coordinate_type> >::iterator itrh = (*itr).holes_.begin();
|
|
itrh != (*itr).holes_.end(); ++itrh) {
|
|
//rectangle_data<coordinate_type> rect;
|
|
//psref.extents(rect);
|
|
//polygon_90_set_data<coordinate_type> psrefhole;
|
|
//psrefhole.insert(prerect);
|
|
//psrefhole.insert(view_as<polygon_90_concept>(*itrh), true);
|
|
//polygon_45_data<coordinate_type> testpoly(*itrh);
|
|
if(resize_poly_down((*itrh).coords_,(coordinate_type)west_bloating, (coordinate_type)east_bloating,
|
|
(coordinate_type)south_bloating, (coordinate_type)north_bloating)) {
|
|
iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
begin_input2(view_as<polygon_90_concept>(*itrh), LOW, orient_, true, true),
|
|
end_input2(view_as<polygon_90_concept>(*itrh), HIGH, orient_, true, true);
|
|
insert(begin_input2, end_input2, orient_);
|
|
//polygon_90_set_data<coordinate_type> pstesthole;
|
|
//pstesthole.insert(rect);
|
|
//iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
// begin_input2(view_as<polygon_90_concept>(*itrh), LOW, orient_, true, true);
|
|
//pstesthole.insert(begin_input2, end_input, orient_);
|
|
//psrefhole.bloat2(west_bloating, east_bloating, south_bloating, north_bloating);
|
|
//if(!equivalence(psrefhole, pstesthole)) {
|
|
// std::cout << (winding(testpoly) == CLOCKWISE) << std::endl;
|
|
// std::cout << (winding(*itrh) == CLOCKWISE) << std::endl;
|
|
// polygon_90_set_data<coordinate_type> c(psrefhole);
|
|
// c.clean();
|
|
// polygon_90_set_data<coordinate_type> a(pstesthole);
|
|
// polygon_90_set_data<coordinate_type> b(pstesthole);
|
|
// a.sort();
|
|
// b.clean();
|
|
// std::cout << "test hole failed\n";
|
|
// //std::cout << testpoly << std::endl;
|
|
//}
|
|
}
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
polygon_90_set_data&
|
|
shrink(typename coordinate_traits<coordinate_type>::unsigned_area_type west_shrinking,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type east_shrinking,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type south_shrinking,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type north_shrinking) {
|
|
std::list<polygon_45_with_holes_data<coordinate_type> > polys;
|
|
get(polys);
|
|
clear();
|
|
for(typename std::list<polygon_45_with_holes_data<coordinate_type> >::iterator itr = polys.begin();
|
|
itr != polys.end(); ++itr) {
|
|
//polygon_90_set_data<coordinate_type> psref;
|
|
//psref.insert(view_as<polygon_90_concept>((*itr).self_));
|
|
//rectangle_data<coordinate_type> prerect;
|
|
//psref.extents(prerect);
|
|
//polygon_45_data<coordinate_type> testpoly((*itr).self_);
|
|
if(resize_poly_down((*itr).self_.coords_, -(coordinate_type)west_shrinking, -(coordinate_type)east_shrinking,
|
|
-(coordinate_type)south_shrinking, -(coordinate_type)north_shrinking)) {
|
|
iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
begin_input(view_as<polygon_90_concept>((*itr).self_), LOW, orient_, false, true, COUNTERCLOCKWISE),
|
|
end_input(view_as<polygon_90_concept>((*itr).self_), HIGH, orient_, false, true, COUNTERCLOCKWISE);
|
|
insert(begin_input, end_input, orient_);
|
|
//iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
// begin_input2(view_as<polygon_90_concept>((*itr).self_), LOW, orient_, false, true, COUNTERCLOCKWISE);
|
|
//polygon_90_set_data<coordinate_type> pstest;
|
|
//pstest.insert(begin_input2, end_input, orient_);
|
|
//psref.shrink2(west_shrinking, east_shrinking, south_shrinking, north_shrinking);
|
|
//if(!equivalence(psref, pstest)) {
|
|
// std::cout << "test failed\n";
|
|
//}
|
|
for(typename std::list<polygon_45_data<coordinate_type> >::iterator itrh = (*itr).holes_.begin();
|
|
itrh != (*itr).holes_.end(); ++itrh) {
|
|
//rectangle_data<coordinate_type> rect;
|
|
//psref.extents(rect);
|
|
//polygon_90_set_data<coordinate_type> psrefhole;
|
|
//psrefhole.insert(prerect);
|
|
//psrefhole.insert(view_as<polygon_90_concept>(*itrh), true);
|
|
//polygon_45_data<coordinate_type> testpoly(*itrh);
|
|
resize_poly_up((*itrh).coords_, -(coordinate_type)west_shrinking, -(coordinate_type)east_shrinking,
|
|
-(coordinate_type)south_shrinking, -(coordinate_type)north_shrinking);
|
|
iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
begin_input2(view_as<polygon_90_concept>(*itrh), LOW, orient_, true, true),
|
|
end_input2(view_as<polygon_90_concept>(*itrh), HIGH, orient_, true, true);
|
|
insert(begin_input2, end_input2, orient_);
|
|
//polygon_90_set_data<coordinate_type> pstesthole;
|
|
//pstesthole.insert(rect);
|
|
//iterator_geometry_to_set<polygon_90_concept, view_of<polygon_90_concept, polygon_45_data<coordinate_type> > >
|
|
// begin_input2(view_as<polygon_90_concept>(*itrh), LOW, orient_, true, true);
|
|
//pstesthole.insert(begin_input2, end_input, orient_);
|
|
//psrefhole.shrink2(west_shrinking, east_shrinking, south_shrinking, north_shrinking);
|
|
//if(!equivalence(psrefhole, pstesthole)) {
|
|
// std::cout << (winding(testpoly) == CLOCKWISE) << std::endl;
|
|
// std::cout << (winding(*itrh) == CLOCKWISE) << std::endl;
|
|
// polygon_90_set_data<coordinate_type> c(psrefhole);
|
|
// c.clean();
|
|
// polygon_90_set_data<coordinate_type> a(pstesthole);
|
|
// polygon_90_set_data<coordinate_type> b(pstesthole);
|
|
// a.sort();
|
|
// b.clean();
|
|
// std::cout << "test hole failed\n";
|
|
// //std::cout << testpoly << std::endl;
|
|
//}
|
|
}
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
polygon_90_set_data&
|
|
shrink2(typename coordinate_traits<coordinate_type>::unsigned_area_type west_shrinking,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type east_shrinking,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type south_shrinking,
|
|
typename coordinate_traits<coordinate_type>::unsigned_area_type north_shrinking) {
|
|
rectangle_data<coordinate_type> externalBoundary;
|
|
if(!extents(externalBoundary)) return *this;
|
|
::boost::polygon::bloat(externalBoundary, 10); //bloat by diferential ammount
|
|
//insert a hole that encompasses the data
|
|
insert(externalBoundary, true); //note that the set is in a dirty state now
|
|
sort(); //does not apply implicit OR operation
|
|
std::vector<rectangle_data<coordinate_type> > rects;
|
|
rects.reserve(data_.size() / 2);
|
|
//begin does not apply implicit or operation, this is a dirty range
|
|
form_rectangles(rects, data_.begin(), data_.end(), orient_, rectangle_concept());
|
|
clear();
|
|
rectangle_data<coordinate_type> convolutionRectangle(interval_data<coordinate_type>(-((coordinate_type)east_shrinking),
|
|
(coordinate_type)west_shrinking),
|
|
interval_data<coordinate_type>(-((coordinate_type)north_shrinking),
|
|
(coordinate_type)south_shrinking));
|
|
for(typename std::vector<rectangle_data<coordinate_type> >::iterator itr = rects.begin();
|
|
itr != rects.end(); ++itr) {
|
|
rectangle_data<coordinate_type>& rect = *itr;
|
|
convolve(rect, convolutionRectangle);
|
|
//insert rectangle as a hole
|
|
insert(rect, true);
|
|
}
|
|
convolve(externalBoundary, convolutionRectangle);
|
|
//insert duplicate of external boundary as solid to cancel out the external hole boundaries
|
|
insert(externalBoundary);
|
|
clean(); //we have negative values in the set, so we need to apply an OR operation to make it valid input to a boolean
|
|
return *this;
|
|
}
|
|
|
|
polygon_90_set_data&
|
|
shrink(direction_2d dir, typename coordinate_traits<coordinate_type>::unsigned_area_type shrinking) {
|
|
if(dir == WEST)
|
|
return shrink(shrinking, 0, 0, 0);
|
|
if(dir == EAST)
|
|
return shrink(0, shrinking, 0, 0);
|
|
if(dir == SOUTH)
|
|
return shrink(0, 0, shrinking, 0);
|
|
return shrink(0, 0, 0, shrinking);
|
|
}
|
|
|
|
polygon_90_set_data&
|
|
bloat(direction_2d dir, typename coordinate_traits<coordinate_type>::unsigned_area_type shrinking) {
|
|
if(dir == WEST)
|
|
return bloat(shrinking, 0, 0, 0);
|
|
if(dir == EAST)
|
|
return bloat(0, shrinking, 0, 0);
|
|
if(dir == SOUTH)
|
|
return bloat(0, 0, shrinking, 0);
|
|
return bloat(0, 0, 0, shrinking);
|
|
}
|
|
|
|
polygon_90_set_data&
|
|
resize(coordinate_type west, coordinate_type east, coordinate_type south, coordinate_type north);
|
|
|
|
polygon_90_set_data& move(coordinate_type x_delta, coordinate_type y_delta) {
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
if(orient_ == orientation_2d(VERTICAL)) {
|
|
(*itr).first += x_delta;
|
|
(*itr).second.first += y_delta;
|
|
} else {
|
|
(*itr).second.first += x_delta;
|
|
(*itr).first += y_delta;
|
|
}
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
// transform set
|
|
template <typename transformation_type>
|
|
polygon_90_set_data& transform(const transformation_type& transformation) {
|
|
direction_2d dir1, dir2;
|
|
transformation.get_directions(dir1, dir2);
|
|
int sign = dir1.get_sign() * dir2.get_sign();
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
if(orient_ == orientation_2d(VERTICAL)) {
|
|
transformation.transform((*itr).first, (*itr).second.first);
|
|
} else {
|
|
transformation.transform((*itr).second.first, (*itr).first);
|
|
}
|
|
(*itr).second.second *= sign;
|
|
}
|
|
if(dir1 != EAST || dir2 != NORTH)
|
|
unsorted_ = true; //some mirroring or rotation must have happened
|
|
return *this;
|
|
}
|
|
|
|
// scale set
|
|
polygon_90_set_data& scale_up(typename coordinate_traits<coordinate_type>::unsigned_area_type factor) {
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
(*itr).first *= (coordinate_type)factor;
|
|
(*itr).second.first *= (coordinate_type)factor;
|
|
}
|
|
return *this;
|
|
}
|
|
polygon_90_set_data& scale_down(typename coordinate_traits<coordinate_type>::unsigned_area_type factor) {
|
|
typedef typename coordinate_traits<coordinate_type>::coordinate_distance dt;
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
(*itr).first = scaling_policy<coordinate_type>::round((dt)((*itr).first) / (dt)factor);
|
|
(*itr).second.first = scaling_policy<coordinate_type>::round((dt)((*itr).second.first) / (dt)factor);
|
|
}
|
|
unsorted_ = true; //scaling down can make coordinates equal that were not previously equal
|
|
return *this;
|
|
}
|
|
template <typename scaling_type>
|
|
polygon_90_set_data& scale(const anisotropic_scale_factor<scaling_type>& scaling) {
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
if(orient_ == orientation_2d(VERTICAL)) {
|
|
scaling.scale((*itr).first, (*itr).second.first);
|
|
} else {
|
|
scaling.scale((*itr).second.first, (*itr).first);
|
|
}
|
|
}
|
|
unsorted_ = true;
|
|
return *this;
|
|
}
|
|
template <typename scaling_type>
|
|
polygon_90_set_data& scale_with(const scaling_type& scaling) {
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
if(orient_ == orientation_2d(VERTICAL)) {
|
|
scaling.scale((*itr).first, (*itr).second.first);
|
|
} else {
|
|
scaling.scale((*itr).second.first, (*itr).first);
|
|
}
|
|
}
|
|
unsorted_ = true;
|
|
return *this;
|
|
}
|
|
polygon_90_set_data& scale(double factor) {
|
|
typedef typename coordinate_traits<coordinate_type>::coordinate_distance dt;
|
|
for(typename std::vector<std::pair<coordinate_type, std::pair<coordinate_type, int> > >::iterator
|
|
itr = data_.begin(); itr != data_.end(); ++itr) {
|
|
(*itr).first = scaling_policy<coordinate_type>::round((dt)((*itr).first) * (dt)factor);
|
|
(*itr).second.first = scaling_policy<coordinate_type>::round((dt)((*itr).second.first) * (dt)factor);
|
|
}
|
|
unsorted_ = true; //scaling make coordinates equal that were not previously equal
|
|
return *this;
|
|
}
|
|
|
|
polygon_90_set_data& self_xor() {
|
|
sort();
|
|
if(dirty_) { //if it is clean it is a no-op
|
|
boolean_op::default_arg_workaround<boolean_op::UnaryCount>::applyBooleanOr(data_);
|
|
dirty_ = false;
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
polygon_90_set_data& self_intersect() {
|
|
sort();
|
|
if(dirty_) { //if it is clean it is a no-op
|
|
interval_data<coordinate_type> ivl((std::numeric_limits<coordinate_type>::min)(), (std::numeric_limits<coordinate_type>::max)());
|
|
rectangle_data<coordinate_type> rect(ivl, ivl);
|
|
insert(rect, true);
|
|
clean();
|
|
}
|
|
return *this;
|
|
}
|
|
|
|
inline polygon_90_set_data& interact(const polygon_90_set_data& that) {
|
|
typedef coordinate_type Unit;
|
|
if(that.dirty_) that.clean();
|
|
typename touch_90_operation<Unit>::TouchSetData tsd;
|
|
touch_90_operation<Unit>::populateTouchSetData(tsd, that.data_, 0);
|
|
std::vector<polygon_90_data<Unit> > polys;
|
|
get(polys);
|
|
std::vector<std::set<int> > graph(polys.size()+1, std::set<int>());
|
|
for(std::size_t i = 0; i < polys.size(); ++i){
|
|
polygon_90_set_data<Unit> psTmp(that.orient_);
|
|
psTmp.insert(polys[i]);
|
|
psTmp.clean();
|
|
touch_90_operation<Unit>::populateTouchSetData(tsd, psTmp.data_, i+1);
|
|
}
|
|
touch_90_operation<Unit>::performTouch(graph, tsd);
|
|
clear();
|
|
for(std::set<int>::iterator itr = graph[0].begin(); itr != graph[0].end(); ++itr){
|
|
insert(polys[(*itr)-1]);
|
|
}
|
|
dirty_ = false;
|
|
return *this;
|
|
}
|
|
|
|
|
|
template <class T2, typename iterator_type_1, typename iterator_type_2>
|
|
void applyBooleanBinaryOp(iterator_type_1 itr1, iterator_type_1 itr1_end,
|
|
iterator_type_2 itr2, iterator_type_2 itr2_end,
|
|
T2 defaultCount) {
|
|
data_.clear();
|
|
boolean_op::applyBooleanBinaryOp(data_, itr1, itr1_end, itr2, itr2_end, defaultCount);
|
|
}
|
|
|
|
private:
|
|
orientation_2d orient_;
|
|
mutable value_type data_;
|
|
mutable bool dirty_;
|
|
mutable bool unsorted_;
|
|
|
|
private:
|
|
//functions
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, rectangle_concept ) const {
|
|
clean();
|
|
form_rectangles(output, data_.begin(), data_.end(), orient_, rectangle_concept());
|
|
}
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_90_concept tag) const {
|
|
get_fracture(output, true, tag);
|
|
}
|
|
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_90_concept tag,
|
|
size_t vthreshold) const {
|
|
get_fracture(output, true, tag, vthreshold);
|
|
}
|
|
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_90_with_holes_concept tag) const {
|
|
get_fracture(output, false, tag);
|
|
}
|
|
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_90_with_holes_concept tag,
|
|
size_t vthreshold) const {
|
|
get_fracture(output, false, tag, vthreshold);
|
|
}
|
|
|
|
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_45_concept tag) const {
|
|
get_fracture(output, true, tag);
|
|
}
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_45_with_holes_concept tag) const {
|
|
get_fracture(output, false, tag);
|
|
}
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_concept tag) const {
|
|
get_fracture(output, true, tag);
|
|
}
|
|
template <typename output_container>
|
|
void get_dispatch(output_container& output, polygon_with_holes_concept tag) const {
|
|
get_fracture(output, false, tag);
|
|
}
|
|
template <typename output_container, typename concept_type>
|
|
void get_fracture(output_container& container, bool fracture_holes, concept_type tag) const {
|
|
clean();
|
|
::boost::polygon::get_polygons(container, data_.begin(), data_.end(), orient_, fracture_holes, tag);
|
|
}
|
|
|
|
template <typename output_container, typename concept_type>
|
|
void get_fracture(output_container& container, bool fracture_holes, concept_type tag,
|
|
size_t vthreshold) const {
|
|
clean();
|
|
::boost::polygon::get_polygons(container, data_.begin(), data_.end(), orient_, fracture_holes, tag, vthreshold);
|
|
}
|
|
};
|
|
|
|
template <typename coordinate_type>
|
|
polygon_90_set_data<coordinate_type>&
|
|
polygon_90_set_data<coordinate_type>::resize(coordinate_type west,
|
|
coordinate_type east,
|
|
coordinate_type south,
|
|
coordinate_type north) {
|
|
move(-west, -south);
|
|
coordinate_type e_total = west + east;
|
|
coordinate_type n_total = south + north;
|
|
if((e_total < 0) ^ (n_total < 0)) {
|
|
//different signs
|
|
if(e_total < 0) {
|
|
shrink(0, -e_total, 0, 0);
|
|
if(n_total != 0)
|
|
return bloat(0, 0, 0, n_total);
|
|
else
|
|
return (*this);
|
|
} else {
|
|
shrink(0, 0, 0, -n_total); //shrink first
|
|
if(e_total != 0)
|
|
return bloat(0, e_total, 0, 0);
|
|
else
|
|
return (*this);
|
|
}
|
|
} else {
|
|
if(e_total < 0) {
|
|
return shrink(0, -e_total, 0, -n_total);
|
|
}
|
|
return bloat(0, e_total, 0, n_total);
|
|
}
|
|
}
|
|
|
|
template <typename coordinate_type, typename property_type>
|
|
class property_merge_90 {
|
|
private:
|
|
std::vector<std::pair<property_merge_point<coordinate_type>, std::pair<property_type, int> > > pmd_;
|
|
public:
|
|
inline property_merge_90() : pmd_() {}
|
|
inline property_merge_90(const property_merge_90& that) : pmd_(that.pmd_) {}
|
|
inline property_merge_90& operator=(const property_merge_90& that) { pmd_ = that.pmd_; return *this; }
|
|
inline void insert(const polygon_90_set_data<coordinate_type>& ps, const property_type& property) {
|
|
merge_scanline<coordinate_type, property_type, polygon_90_set_data<coordinate_type> >::
|
|
populate_property_merge_data(pmd_, ps.begin(), ps.end(), property, ps.orient());
|
|
}
|
|
template <class GeoObjT>
|
|
inline void insert(const GeoObjT& geoObj, const property_type& property) {
|
|
polygon_90_set_data<coordinate_type> ps;
|
|
ps.insert(geoObj);
|
|
insert(ps, property);
|
|
}
|
|
//merge properties of input geometries and store the resulting geometries of regions
|
|
//with unique sets of merged properties to polygons sets in a map keyed by sets of properties
|
|
// T = std::map<std::set<property_type>, polygon_90_set_data<coordiante_type> > or
|
|
// T = std::map<std::vector<property_type>, polygon_90_set_data<coordiante_type> >
|
|
template <typename ResultType>
|
|
inline void merge(ResultType& result) {
|
|
merge_scanline<coordinate_type, property_type, polygon_90_set_data<coordinate_type>, typename ResultType::key_type> ms;
|
|
ms.perform_merge(result, pmd_);
|
|
}
|
|
};
|
|
|
|
//ConnectivityExtraction computes the graph of connectivity between rectangle, polygon and
|
|
//polygon set graph nodes where an edge is created whenever the geometry in two nodes overlap
|
|
template <typename coordinate_type>
|
|
class connectivity_extraction_90 {
|
|
private:
|
|
typedef typename touch_90_operation<coordinate_type>::TouchSetData tsd;
|
|
tsd tsd_;
|
|
unsigned int nodeCount_;
|
|
public:
|
|
inline connectivity_extraction_90() : tsd_(), nodeCount_(0) {}
|
|
inline connectivity_extraction_90(const connectivity_extraction_90& that) : tsd_(that.tsd_),
|
|
nodeCount_(that.nodeCount_) {}
|
|
inline connectivity_extraction_90& operator=(const connectivity_extraction_90& that) {
|
|
tsd_ = that.tsd_;
|
|
nodeCount_ = that.nodeCount_; {}
|
|
return *this;
|
|
}
|
|
|
|
//insert a polygon set graph node, the value returned is the id of the graph node
|
|
inline unsigned int insert(const polygon_90_set_data<coordinate_type>& ps) {
|
|
ps.clean();
|
|
touch_90_operation<coordinate_type>::populateTouchSetData(tsd_, ps.begin(), ps.end(), nodeCount_);
|
|
return nodeCount_++;
|
|
}
|
|
template <class GeoObjT>
|
|
inline unsigned int insert(const GeoObjT& geoObj) {
|
|
polygon_90_set_data<coordinate_type> ps;
|
|
ps.insert(geoObj);
|
|
return insert(ps);
|
|
}
|
|
|
|
//extract connectivity and store the edges in the graph
|
|
//graph must be indexable by graph node id and the indexed value must be a std::set of
|
|
//graph node id
|
|
template <class GraphT>
|
|
inline void extract(GraphT& graph) {
|
|
touch_90_operation<coordinate_type>::performTouch(graph, tsd_);
|
|
}
|
|
};
|
|
}
|
|
}
|
|
#endif
|