geometry/test/to_svg.hpp

413 lines
14 KiB
C++

// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2014.
// Modifications copyright (c) 2014 Oracle and/or its affiliates.
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
#ifndef BOOST_GEOMETRY_TEST_TO_SVG_HPP
#define BOOST_GEOMETRY_TEST_TO_SVG_HPP
#include <fstream>
#include <boost/geometry/io/wkt/read.hpp>
#include <boost/geometry/io/svg/svg_mapper.hpp>
#include <boost/geometry/algorithms/detail/overlay/get_turns.hpp>
#include <boost/geometry/algorithms/detail/overlay/self_turn_points.hpp>
#include <boost/geometry/algorithms/detail/overlay/traversal_info.hpp>
#include <boost/geometry/algorithms/detail/overlay/debug_turn_info.hpp>
#include <boost/geometry/algorithms/detail/overlay/enrichment_info.hpp>
#include <boost/geometry/algorithms/detail/overlay/enrich_intersection_points.hpp>
#include <boost/foreach.hpp>
#include <boost/geometry/algorithms/detail/relate/turns.hpp>
template <typename G, typename Turns, typename Mapper>
inline void turns_to_svg(Turns const& turns, Mapper & mapper, bool /*enrich*/ = false)
{
namespace bg = boost::geometry;
// turn points in orange, + enrichment/traversal info
typedef typename bg::coordinate_type<G>::type coordinate_type;
typedef typename boost::range_value<Turns>::type turn_info;
// Simple map to avoid two texts at same place (note that can still overlap!)
std::map<std::pair<int, int>, int> offsets;
int index = 0;
int const margin = 5;
BOOST_FOREACH(turn_info const& turn, turns)
{
int lineheight = 10;
mapper.map(turn.point, "fill:rgb(255,128,0);"
"stroke:rgb(0,0,0);stroke-width:1", 3);
{
coordinate_type half = 0.5;
coordinate_type ten = 10;
// Map characteristics
// Create a rounded off point
std::pair<int, int> p
= std::make_pair(
boost::numeric_cast<int>(half
+ ten * bg::get<0>(turn.point)),
boost::numeric_cast<int>(half
+ ten * bg::get<1>(turn.point))
);
std::string style = "fill:rgb(0,0,0);font-family:Arial;font-size:12px";
if (turn.discarded)
{
style = "fill:rgb(92,92,92);font-family:Arial;font-size:10px";
lineheight = 6;
}
//if (! turn.discarded && ! turn.blocked() && ! turn.both(bg::detail::overlay::operation_union))
//if (! turn.discarded)
{
std::ostringstream out;
out << index
<< ": " << bg::method_char(turn.method);
if ( turn.discarded )
out << " (discarded)\n";
else if ( turn.blocked() )
out << " (blocked)\n";
else
out << '\n';
out << bg::operation_char(turn.operations[0].operation)
<<": seg: " << turn.operations[0].seg_id.source_index
<< ' ' << turn.operations[0].seg_id.multi_index
<< ' ' << turn.operations[0].seg_id.ring_index
<< ' ' << turn.operations[0].seg_id.segment_index << ", ";
out << "other: " << turn.operations[1].seg_id.source_index
<< ' ' << turn.operations[1].seg_id.multi_index
<< ' ' << turn.operations[1].seg_id.ring_index
<< ' ' << turn.operations[1].seg_id.segment_index;
/*if ( enrich )
{
out << ", ";
if (turn.operations[0].enriched.next_ip_index != -1)
{
out << "ip: " << turn.operations[0].enriched.next_ip_index;
}
else
{
out << "vx: " << turn.operations[0].enriched.travels_to_vertex_index
<< " -> ip: " << turn.operations[0].enriched.travels_to_ip_index;
}
}*/
out << '\n';
out << bg::operation_char(turn.operations[1].operation)
<< ": seg: " << turn.operations[1].seg_id.source_index
<< ' ' << turn.operations[1].seg_id.multi_index
<< ' ' << turn.operations[1].seg_id.ring_index
<< ' ' << turn.operations[1].seg_id.segment_index << ", ";
out << "other: " << turn.operations[0].seg_id.source_index
<< ' ' << turn.operations[0].seg_id.multi_index
<< ' ' << turn.operations[0].seg_id.ring_index
<< ' ' << turn.operations[0].seg_id.segment_index;
/*if ( enrich )
{
out << ", ";
if (turn.operations[1].enriched.next_ip_index != -1)
{
out << "ip: " << turn.operations[1].enriched.next_ip_index;
}
else
{
out << "vx: " << turn.operations[1].enriched.travels_to_vertex_index
<< " -> ip: " << turn.operations[1].enriched.travels_to_ip_index;
}
}*/
//out << std::endl;
/*out
<< std::setprecision(3)
<< "dist: " << boost::numeric_cast<double>(turn.operations[0].enriched.distance)
<< " / " << boost::numeric_cast<double>(turn.operations[1].enriched.distance)
<< std::endl
<< "vis: " << bg::visited_char(turn.operations[0].visited)
<< " / " << bg::visited_char(turn.operations[1].visited);
*/
/*
out << index
<< ": " << bg::operation_char(turn.operations[0].operation)
<< " " << bg::operation_char(turn.operations[1].operation)
<< " (" << bg::method_char(turn.method) << ")"
<< (turn.ignore() ? " (ignore) " : " ")
<< std::endl
<< "ip: " << turn.operations[0].enriched.travels_to_ip_index
<< "/" << turn.operations[1].enriched.travels_to_ip_index;
if (turn.operations[0].enriched.next_ip_index != -1
|| turn.operations[1].enriched.next_ip_index != -1)
{
out << " [" << turn.operations[0].enriched.next_ip_index
<< "/" << turn.operations[1].enriched.next_ip_index
<< "]"
;
}
out << std::endl;
out
<< "vx:" << turn.operations[0].enriched.travels_to_vertex_index
<< "/" << turn.operations[1].enriched.travels_to_vertex_index
<< std::endl
<< std::setprecision(3)
<< "dist: " << turn.operations[0].enriched.distance
<< " / " << turn.operations[1].enriched.distance
<< std::endl
*/
offsets[p] += lineheight;
int offset = offsets[p];
offsets[p] += lineheight * 3;
mapper.text(turn.point, out.str(), style, margin, offset, lineheight);
}
index++;
}
}
}
template <typename G1, typename P>
inline void geom_to_svg(G1 const& g1,
boost::geometry::svg_mapper<P> & mapper)
{
mapper.add(g1);
mapper.map(g1, "fill-opacity:0.5;fill:rgb(153,204,0);"
"stroke:rgb(153,204,0);stroke-width:3");
}
template <typename G1, typename G2, typename P>
inline void geom_to_svg(G1 const& g1, G2 const& g2,
boost::geometry::svg_mapper<P> & mapper)
{
mapper.add(g1);
mapper.add(g2);
mapper.map(g1, "fill-opacity:0.5;fill:rgb(153,204,0);"
"stroke:rgb(153,204,0);stroke-width:3");
mapper.map(g2, "fill-opacity:0.3;fill:rgb(51,51,153);"
"stroke:rgb(51,51,153);stroke-width:3");
}
template <typename G1>
inline void geom_to_svg(G1 const& g1, std::string const& filename)
{
namespace bg = boost::geometry;
typedef typename bg::point_type<G1>::type mapper_point_type;
std::ofstream svg(filename.c_str(), std::ios::trunc);
bg::svg_mapper<mapper_point_type> mapper(svg, 500, 500);
geom_to_svg(g1, mapper);
}
template <typename G1, typename G2>
inline void geom_to_svg(G1 const& g1, G2 const& g2, std::string const& filename)
{
namespace bg = boost::geometry;
typedef typename bg::point_type<G1>::type mapper_point_type;
std::ofstream svg(filename.c_str(), std::ios::trunc);
bg::svg_mapper<mapper_point_type> mapper(svg, 500, 500);
geom_to_svg(g1, g2, mapper);
}
template <typename G1>
inline void geom_to_svg(std::string const& wkt1, std::string const& filename)
{
namespace bg = boost::geometry;
G1 g1;
bg::read_wkt(wkt1, g1);
geom_to_svg(g1, filename);
}
template <typename G1, typename G2>
inline void geom_to_svg(std::string const& wkt1, std::string const& wkt2, std::string const& filename)
{
namespace bg = boost::geometry;
G1 g1;
G2 g2;
bg::read_wkt(wkt1, g1);
bg::read_wkt(wkt2, g2);
geom_to_svg(g1, g2, filename);
}
struct to_svg_assign_policy
: boost::geometry::detail::overlay::assign_null_policy
{
static bool const include_no_turn = false;
static bool const include_degenerate = false;
static bool const include_opposite = false;
};
template <typename G>
inline void to_svg(G const& g, std::string const& filename, bool /*sort*/ = true)
{
namespace bg = boost::geometry;
typedef typename bg::point_type<G>::type P;
std::ofstream svg(filename.c_str(), std::ios::trunc);
bg::svg_mapper<P> mapper(svg, 500, 500);
mapper.add(g);
mapper.map(g, "fill-opacity:0.5;fill:rgb(153,204,0);"
"stroke:rgb(153,204,0);stroke-width:3");
// GET TURNS
typedef bg::segment_ratio<double> sr;
typedef bg::detail::overlay::traversal_turn_info<P, sr> turn_info;
typedef bg::detail::overlay::assign_null_policy AssignPolicy;
//typedef to_svg_assign_policy AssignPolicy;
typedef std::deque<turn_info> Turns;
typedef bg::detail::self_get_turn_points::no_interrupt_policy InterruptPolicy;
Turns turns;
InterruptPolicy interrupt_policy;
typedef bg::detail::overlay::get_turn_info<AssignPolicy> TurnPolicy;
bg::detail::self_get_turn_points::get_turns
<
false, TurnPolicy
>::apply(g, bg::detail::no_rescale_policy(), turns, interrupt_policy);
turns_to_svg<G>(turns, mapper);
}
template <typename G1, typename G2>
inline void to_svg(G1 const& g1, G2 const& g2, std::string const& filename, bool sort = true, bool use_old_turns_policy = false, bool enrich = false)
{
namespace bg = boost::geometry;
typedef typename bg::point_type<G1>::type mapper_point_type;
std::ofstream svg(filename.c_str(), std::ios::trunc);
bg::svg_mapper<mapper_point_type> mapper(svg, 500, 500);
mapper.add(g1);
mapper.add(g2);
mapper.map(g1, "fill-opacity:0.5;fill:rgb(153,204,0);"
"stroke:rgb(153,204,0);stroke-width:3");
mapper.map(g2, "fill-opacity:0.3;fill:rgb(51,51,153);"
"stroke:rgb(51,51,153);stroke-width:3");
// GET TURNS
typedef typename bg::detail::relate::turns::get_turns<G1, G2>::turn_info turn_info;
//typedef bg::detail::overlay::traversal_turn_info<P1> turn_info;
//typedef bg::detail::overlay::assign_null_policy AssignPolicy;
typedef to_svg_assign_policy AssignPolicy;
typedef std::deque<turn_info> Turns;
typedef bg::detail::get_turns::no_interrupt_policy InterruptPolicy;
static const bool Reverse1 = bg::detail::overlay::do_reverse<bg::point_order<G1>::value>::value;
static const bool Reverse2 = bg::detail::overlay::do_reverse<bg::point_order<G2>::value>::value;
Turns turns;
InterruptPolicy interrupt_policy;
if ( use_old_turns_policy )
{
boost::geometry::get_turns
<
Reverse1, Reverse2, AssignPolicy
>(g1, g2, bg::detail::no_rescale_policy(), turns, interrupt_policy);
}
else
{
typedef bg::detail::get_turns::get_turn_info_type
<
G1, G2, AssignPolicy
> TurnPolicy;
bg::detail::relate::turns::get_turns
<
G1, G2, TurnPolicy
>::apply(turns, g1, g2);
}
if ( sort )
{
typedef bg::detail::relate::turns::less
<
0,
bg::detail::relate::turns::less_op_xxx_linear
<
0, bg::detail::relate::turns::op_to_int<>
>,
typename bg::cs_tag<G1>::type
> less;
std::sort(boost::begin(turns), boost::end(turns), less());
}
/*if ( enrich )
{
typedef typename bg::strategy::side::services::default_strategy
<
typename bg::cs_tag<G1>::type
>::type side_strategy_type;
bg::enrich_intersection_points<bg::detail::overlay::do_reverse<bg::point_order<G1>::value>::value,
bg::detail::overlay::do_reverse<bg::point_order<G2>::value>::value>
(turns, bg::detail::overlay::operation_union,
g1, g1,
bg::detail::no_rescale_policy(),
side_strategy_type());
}*/
turns_to_svg<G1>(turns, mapper, enrich);
}
template <typename G>
inline void to_svg(std::string const& wkt, std::string const& filename)
{
G g;
boost::geometry::read_wkt(wkt, g);
to_svg(g, filename);
}
template <typename G1, typename G2>
inline void to_svg(std::string const& wkt1, std::string const& wkt2, std::string const& filename, bool sort = true, bool reverse_by_geometry_id = false, bool enrich = false)
{
G1 g1;
G2 g2;
boost::geometry::read_wkt(wkt1, g1);
boost::geometry::read_wkt(wkt2, g2);
to_svg(g1, g2, filename, sort, reverse_by_geometry_id, enrich);
}
#endif // BOOST_GEOMETRY_TEST_TO_SVG_HPP