mirror of
https://github.com/boostorg/geometry.git
synced 2026-02-13 12:32:09 +00:00
245 lines
30 KiB
HTML
245 lines
30 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
|
||
<html>
|
||
<head>
|
||
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
||
<title>Boost.Geometry (aka GGL, Generic Geometry Library)</title>
|
||
<link href="doxygen.css" rel="stylesheet" type="text/css">
|
||
<link href="tabs.css" rel="stylesheet" type="text/css">
|
||
</head>
|
||
|
||
<table cellpadding="2" width="100%">
|
||
<tbody>
|
||
<tr>
|
||
<td valign="top">
|
||
<img alt="Boost.Geometry" src="images/ggl-logo-big.png" height="80" width="200">
|
||
|
||
</td>
|
||
<td valign="top" align="right">
|
||
<a href="http://www.boost.org">
|
||
<img alt="Boost C++ Libraries" src="images/accepted_by_boost.png" height="80" width="230" border="0">
|
||
</a>
|
||
</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
<!-- Generated by Doxygen 1.5.9 -->
|
||
<div class="navigation" id="top">
|
||
<div class="tabs">
|
||
<ul>
|
||
<li><a href="index.html"><span>Main Page</span></a></li>
|
||
<li><a href="pages.html"><span>Related Pages</span></a></li>
|
||
<li><a href="modules.html"><span>Modules</span></a></li>
|
||
<li><a href="namespaces.html"><span>Namespaces</span></a></li>
|
||
<li><a href="annotated.html"><span>Classes</span></a></li>
|
||
<li class="current"><a href="files.html"><span>Files</span></a></li>
|
||
<li><a href="examples.html"><span>Examples</span></a></li>
|
||
</ul>
|
||
</div>
|
||
<div class="tabs">
|
||
<ul>
|
||
<li><a href="files.html"><span>File List</span></a></li>
|
||
<li><a href="globals.html"><span>File Members</span></a></li>
|
||
</ul>
|
||
</div>
|
||
<h1>boost/geometry/policies/relate/intersection_points.hpp</h1><a href="intersection__points_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Boost.Geometry (aka GGL, Generic Geometry Library)</span>
|
||
<a name="l00002"></a>00002 <span class="comment">//</span>
|
||
<a name="l00003"></a>00003 <span class="comment">// Copyright Barend Gehrels 2007-2009, Geodan, Amsterdam, the Netherlands.</span>
|
||
<a name="l00004"></a>00004 <span class="comment">// Copyright Bruno Lalande 2008, 2009</span>
|
||
<a name="l00005"></a>00005 <span class="comment">// Use, modification and distribution is subject to the Boost Software License,</span>
|
||
<a name="l00006"></a>00006 <span class="comment">// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at</span>
|
||
<a name="l00007"></a>00007 <span class="comment">// http://www.boost.org/LICENSE_1_0.txt)</span>
|
||
<a name="l00008"></a>00008
|
||
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef BOOST_GEOMETRY_GEOMETRY_POLICIES_RELATE_INTERSECTION_POINTS_HPP</span>
|
||
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define BOOST_GEOMETRY_GEOMETRY_POLICIES_RELATE_INTERSECTION_POINTS_HPP</span>
|
||
<a name="l00011"></a>00011 <span class="preprocessor"></span>
|
||
<a name="l00012"></a>00012 <span class="preprocessor">#include <algorithm></span>
|
||
<a name="l00013"></a>00013
|
||
<a name="l00014"></a>00014 <span class="preprocessor">#include <boost/concept_check.hpp></span>
|
||
<a name="l00015"></a>00015
|
||
<a name="l00016"></a>00016 <span class="preprocessor">#include <<a class="code" href="access_8hpp.html">boost/geometry/core/access.hpp</a>></span>
|
||
<a name="l00017"></a>00017 <span class="preprocessor">#include <<a class="code" href="side__info_8hpp.html">boost/geometry/strategies/side_info.hpp</a>></span>
|
||
<a name="l00018"></a>00018 <span class="preprocessor">#include <<a class="code" href="select__calculation__type_8hpp.html">boost/geometry/util/select_calculation_type.hpp</a>></span>
|
||
<a name="l00019"></a>00019 <span class="preprocessor">#include <<a class="code" href="select__most__precise_8hpp.html">boost/geometry/util/select_most_precise.hpp</a>></span>
|
||
<a name="l00020"></a>00020
|
||
<a name="l00021"></a>00021
|
||
<a name="l00022"></a>00022 <span class="keyword">namespace </span>boost { <span class="keyword">namespace </span>geometry
|
||
<a name="l00023"></a>00023 {
|
||
<a name="l00024"></a>00024
|
||
<a name="l00025"></a>00025 <span class="keyword">namespace </span>policies { <span class="keyword">namespace </span>relate {
|
||
<a name="l00026"></a>00026
|
||
<a name="l00027"></a>00027
|
||
<a name="l00028"></a>00028 <span class="keyword">template</span> <<span class="keyword">typename</span> S1, <span class="keyword">typename</span> S2, <span class="keyword">typename</span> ReturnType, <span class="keyword">typename</span> CalculationType = <span class="keywordtype">void</span>>
|
||
<a name="l00029"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html">00029</a> <span class="keyword">struct </span><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html">segments_intersection_points</a>
|
||
<a name="l00030"></a>00030 {
|
||
<a name="l00031"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">00031</a> <span class="keyword">typedef</span> ReturnType <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a>;
|
||
<a name="l00032"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#b5533863947caaf6d877bea3111d0fb1">00032</a> <span class="keyword">typedef</span> S1 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#b5533863947caaf6d877bea3111d0fb1">segment_type1</a>;
|
||
<a name="l00033"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#7e30582c9650ab4e44a47cc26391c772">00033</a> <span class="keyword">typedef</span> S2 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#7e30582c9650ab4e44a47cc26391c772">segment_type2</a>;
|
||
<a name="l00034"></a>00034 <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structboost_1_1geometry_1_1select__calculation__type.html" title="Meta-function selecting the &quot;calculation&quot; type.">select_calculation_type</a>
|
||
<a name="l00035"></a>00035 <
|
||
<a name="l00036"></a>00036 S1, S2, CalculationType
|
||
<a name="l00037"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#587e880fceb3666794b1996fd8bd886a">00037</a> >::type <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a>;
|
||
<a name="l00038"></a>00038
|
||
<a name="l00039"></a>00039 <span class="comment">// Get the same type, but at least a double</span>
|
||
<a name="l00040"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#64b5b2f6af39d0d21358491a6f8cb99b">00040</a> <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structboost_1_1geometry_1_1select__most__precise.html" title="Meta-function to select, of two types, the most accurate type for calculations.">select_most_precise<coordinate_type, double>::type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#64b5b2f6af39d0d21358491a6f8cb99b">rtype</a>;
|
||
<a name="l00041"></a>00041
|
||
<a name="l00042"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#bb6db941262372fe2aba13dd10ebcdc2">00042</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#bb6db941262372fe2aba13dd10ebcdc2">segments_intersect</a>(<a class="code" href="classboost_1_1geometry_1_1side__info.html" title="Class side_info: small class wrapping for sides (-1,0,1).">side_info</a> <span class="keyword">const</span>&,
|
||
<a name="l00043"></a>00043 <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& dx1, <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& dy1,
|
||
<a name="l00044"></a>00044 <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& dx2, <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& dy2,
|
||
<a name="l00045"></a>00045 S1 <span class="keyword">const</span>& s1, S2 <span class="keyword">const</span>& s2)
|
||
<a name="l00046"></a>00046 {
|
||
<a name="l00047"></a>00047 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> result;
|
||
<a name="l00048"></a>00048 <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">geometry::coordinate_type</a>
|
||
<a name="l00049"></a>00049 <
|
||
<a name="l00050"></a>00050 <span class="keyword">typename</span> return_type::point_type
|
||
<a name="l00051"></a>00051 >::type <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a>;
|
||
<a name="l00052"></a>00052
|
||
<a name="l00053"></a>00053 <span class="comment">// Get the same type, but at least a double (also used for divisions</span>
|
||
<a name="l00054"></a>00054 <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="structboost_1_1geometry_1_1select__most__precise.html" title="Meta-function to select, of two types, the most accurate type for calculations.">select_most_precise</a>
|
||
<a name="l00055"></a>00055 <
|
||
<a name="l00056"></a>00056 coordinate_type, <span class="keywordtype">double</span>
|
||
<a name="l00057"></a>00057 >::type <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#022eab996fe3764af118e9eeda706d48">promoted_type</a>;
|
||
<a name="l00058"></a>00058
|
||
<a name="l00059"></a>00059 promoted_type <span class="keyword">const</span> s1x = get<0, 0>(s1);
|
||
<a name="l00060"></a>00060 promoted_type <span class="keyword">const</span> s1y = get<0, 1>(s1);
|
||
<a name="l00061"></a>00061
|
||
<a name="l00062"></a>00062 <span class="comment">// Calculate other determinants - Cramers rule</span>
|
||
<a name="l00063"></a>00063 promoted_type <span class="keyword">const</span> wx = get<0, 0>(s1) - get<0, 0>(s2);
|
||
<a name="l00064"></a>00064 promoted_type <span class="keyword">const</span> wy = get<0, 1>(s1) - get<0, 1>(s2);
|
||
<a name="l00065"></a>00065 promoted_type <span class="keyword">const</span> d = (dy2 * dx1) - (dx2 * dy1);
|
||
<a name="l00066"></a>00066 promoted_type <span class="keyword">const</span> da = (<a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#022eab996fe3764af118e9eeda706d48">promoted_type</a>(dx2) * wy) - (<a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#022eab996fe3764af118e9eeda706d48">promoted_type</a>(dy2) * wx);
|
||
<a name="l00067"></a>00067
|
||
<a name="l00068"></a>00068 <span class="comment">// r: ratio 0-1 where intersection divides A/B</span>
|
||
<a name="l00069"></a>00069 promoted_type <span class="keyword">const</span> r = da / d;
|
||
<a name="l00070"></a>00070
|
||
<a name="l00071"></a>00071 result.count = 1;
|
||
<a name="l00072"></a>00072 set<0>(result.intersections[0],
|
||
<a name="l00073"></a>00073 boost::numeric_cast<coordinate_type>(s1x + r * <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#022eab996fe3764af118e9eeda706d48">promoted_type</a>(dx1)));
|
||
<a name="l00074"></a>00074 set<1>(result.intersections[0],
|
||
<a name="l00075"></a>00075 boost::numeric_cast<coordinate_type>(s1y + r * <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#022eab996fe3764af118e9eeda706d48">promoted_type</a>(dy1)));
|
||
<a name="l00076"></a>00076
|
||
<a name="l00077"></a>00077 <span class="keywordflow">return</span> result;
|
||
<a name="l00078"></a>00078 }
|
||
<a name="l00079"></a>00079
|
||
<a name="l00080"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#84b1e73bf16b9f3741cafec04f56b1a8">00080</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#84b1e73bf16b9f3741cafec04f56b1a8">collinear_touch</a>(<a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& x,
|
||
<a name="l00081"></a>00081 <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& y, <span class="keywordtype">int</span>, <span class="keywordtype">int</span>)
|
||
<a name="l00082"></a>00082 {
|
||
<a name="l00083"></a>00083 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> result;
|
||
<a name="l00084"></a>00084 result.count = 1;
|
||
<a name="l00085"></a>00085 set<0>(result.intersections[0], x);
|
||
<a name="l00086"></a>00086 set<1>(result.intersections[0], y);
|
||
<a name="l00087"></a>00087 <span class="keywordflow">return</span> result;
|
||
<a name="l00088"></a>00088 }
|
||
<a name="l00089"></a>00089
|
||
<a name="l00090"></a>00090 <span class="keyword">template</span> <<span class="keyword">typename</span> S>
|
||
<a name="l00091"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#c2b55ecfa767eec3904021d94c428cf3">00091</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#c2b55ecfa767eec3904021d94c428cf3">collinear_inside</a>(S <span class="keyword">const</span>& s, <span class="keywordtype">int</span> index1 = 0, <span class="keywordtype">int</span> index2 = 1)
|
||
<a name="l00092"></a>00092 {
|
||
<a name="l00093"></a>00093 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> result;
|
||
<a name="l00094"></a>00094 result.count = 2;
|
||
<a name="l00095"></a>00095 set<0>(result.intersections[index1], get<0, 0>(s));
|
||
<a name="l00096"></a>00096 set<1>(result.intersections[index1], get<0, 1>(s));
|
||
<a name="l00097"></a>00097 set<0>(result.intersections[index2], get<1, 0>(s));
|
||
<a name="l00098"></a>00098 set<1>(result.intersections[index2], get<1, 1>(s));
|
||
<a name="l00099"></a>00099 <span class="keywordflow">return</span> result;
|
||
<a name="l00100"></a>00100 }
|
||
<a name="l00101"></a>00101
|
||
<a name="l00102"></a>00102 <span class="keyword">template</span> <<span class="keyword">typename</span> S>
|
||
<a name="l00103"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#41b4ac8d42b2c341a5d307227e04d537">00103</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#41b4ac8d42b2c341a5d307227e04d537">collinear_interior_boundary_intersect</a>(S <span class="keyword">const</span>& s, <span class="keywordtype">bool</span> a_in_b,
|
||
<a name="l00104"></a>00104 <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">bool</span> opposite)
|
||
<a name="l00105"></a>00105 {
|
||
<a name="l00106"></a>00106 <span class="keywordtype">int</span> index1 = opposite && ! a_in_b ? 1 : 0;
|
||
<a name="l00107"></a>00107 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#c2b55ecfa767eec3904021d94c428cf3">collinear_inside</a>(s, index1, 1 - index1);
|
||
<a name="l00108"></a>00108 }
|
||
<a name="l00109"></a>00109
|
||
<a name="l00110"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#b9dbcd306da46a9f1f84ecb296a772df">00110</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#b9dbcd306da46a9f1f84ecb296a772df">collinear_a_in_b</a>(S1 <span class="keyword">const</span>& s, <span class="keywordtype">bool</span> opposite)
|
||
<a name="l00111"></a>00111 {
|
||
<a name="l00112"></a>00112 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#c2b55ecfa767eec3904021d94c428cf3">collinear_inside</a>(s);
|
||
<a name="l00113"></a>00113 }
|
||
<a name="l00114"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#03e1921913cc60bbffa537199e0df258">00114</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#03e1921913cc60bbffa537199e0df258">collinear_b_in_a</a>(S2 <span class="keyword">const</span>& s, <span class="keywordtype">bool</span> opposite)
|
||
<a name="l00115"></a>00115 {
|
||
<a name="l00116"></a>00116 <span class="keywordtype">int</span> index1 = opposite ? 1 : 0;
|
||
<a name="l00117"></a>00117 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#c2b55ecfa767eec3904021d94c428cf3">collinear_inside</a>(s, index1, 1 - index1);
|
||
<a name="l00118"></a>00118 }
|
||
<a name="l00119"></a>00119
|
||
<a name="l00120"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#eca8ef52cc0b9ac1a786657dde3267c3">00120</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#eca8ef52cc0b9ac1a786657dde3267c3">collinear_overlaps</a>(
|
||
<a name="l00121"></a>00121 <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& x1, <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& y1,
|
||
<a name="l00122"></a>00122 <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& x2, <a class="code" href="structboost_1_1geometry_1_1coordinate__type.html" title="Meta-function which defines coordinate type (int, float, double, etc) of any geometry...">coordinate_type</a> <span class="keyword">const</span>& y2,
|
||
<a name="l00123"></a>00123 <span class="keywordtype">int</span>, <span class="keywordtype">int</span>, <span class="keywordtype">bool</span>)
|
||
<a name="l00124"></a>00124 {
|
||
<a name="l00125"></a>00125 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> result;
|
||
<a name="l00126"></a>00126 result.count = 2;
|
||
<a name="l00127"></a>00127 set<0>(result.intersections[0], x1);
|
||
<a name="l00128"></a>00128 set<1>(result.intersections[0], y1);
|
||
<a name="l00129"></a>00129 set<0>(result.intersections[1], x2);
|
||
<a name="l00130"></a>00130 set<1>(result.intersections[1], y2);
|
||
<a name="l00131"></a>00131 <span class="keywordflow">return</span> result;
|
||
<a name="l00132"></a>00132 }
|
||
<a name="l00133"></a>00133
|
||
<a name="l00134"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#8f19ba5d27c802f883d6392ff894aee2">00134</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#8f19ba5d27c802f883d6392ff894aee2">segment_equal</a>(S1 <span class="keyword">const</span>& s, <span class="keywordtype">bool</span> opposite)
|
||
<a name="l00135"></a>00135 {
|
||
<a name="l00136"></a>00136 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> result;
|
||
<a name="l00137"></a>00137 result.count = 2;
|
||
<a name="l00138"></a>00138 <span class="comment">// TODO: order of IP's</span>
|
||
<a name="l00139"></a>00139 set<0>(result.intersections[0], get<0, 0>(s));
|
||
<a name="l00140"></a>00140 set<1>(result.intersections[0], get<0, 1>(s));
|
||
<a name="l00141"></a>00141 set<0>(result.intersections[1], get<1, 0>(s));
|
||
<a name="l00142"></a>00142 set<1>(result.intersections[1], get<1, 1>(s));
|
||
<a name="l00143"></a>00143 <span class="keywordflow">return</span> result;
|
||
<a name="l00144"></a>00144 }
|
||
<a name="l00145"></a>00145
|
||
<a name="l00146"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#acfdfa87ac9df3f851f74b8ee8539747">00146</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#acfdfa87ac9df3f851f74b8ee8539747">disjoint</a>()
|
||
<a name="l00147"></a>00147 {
|
||
<a name="l00148"></a>00148 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a>();
|
||
<a name="l00149"></a>00149 }
|
||
<a name="l00150"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#9fa4c5c3a1b3abda7f9ac2362b8dd9a2">00150</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#9fa4c5c3a1b3abda7f9ac2362b8dd9a2">error</a>(std::string <span class="keyword">const</span>& msg)
|
||
<a name="l00151"></a>00151 {
|
||
<a name="l00152"></a>00152 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a>();
|
||
<a name="l00153"></a>00153 }
|
||
<a name="l00154"></a>00154
|
||
<a name="l00155"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#3373c3a5815303b9feb0b7b351fef8b6">00155</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#3373c3a5815303b9feb0b7b351fef8b6">collinear_disjoint</a>()
|
||
<a name="l00156"></a>00156 {
|
||
<a name="l00157"></a>00157 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a>();
|
||
<a name="l00158"></a>00158 }
|
||
<a name="l00159"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#372615f2a1837537622b346c0c513cc3">00159</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#372615f2a1837537622b346c0c513cc3">parallel</a>()
|
||
<a name="l00160"></a>00160 {
|
||
<a name="l00161"></a>00161 <span class="keywordflow">return</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a>();
|
||
<a name="l00162"></a>00162 }
|
||
<a name="l00163"></a><a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#adbb4e80502aab1c98976841e8800750">00163</a> <span class="keyword">static</span> <span class="keyword">inline</span> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#adbb4e80502aab1c98976841e8800750">degenerate</a>(S1 <span class="keyword">const</span>& s, <span class="keywordtype">bool</span>)
|
||
<a name="l00164"></a>00164 {
|
||
<a name="l00165"></a>00165 <a class="code" href="structboost_1_1geometry_1_1policies_1_1relate_1_1segments__intersection__points.html#6235db237eeff7dd1ab814a64845473b">return_type</a> result;
|
||
<a name="l00166"></a>00166 result.count = 1;
|
||
<a name="l00167"></a>00167 set<0>(result.intersections[0], get<0, 0>(s));
|
||
<a name="l00168"></a>00168 set<1>(result.intersections[0], get<0, 1>(s));
|
||
<a name="l00169"></a>00169 <span class="keywordflow">return</span> result;
|
||
<a name="l00170"></a>00170 }
|
||
<a name="l00171"></a>00171 };
|
||
<a name="l00172"></a>00172
|
||
<a name="l00173"></a>00173
|
||
<a name="l00174"></a>00174 }} <span class="comment">// namespace policies::relate</span>
|
||
<a name="l00175"></a>00175
|
||
<a name="l00176"></a>00176 }} <span class="comment">// namespace boost::geometry</span>
|
||
<a name="l00177"></a>00177
|
||
<a name="l00178"></a>00178 <span class="preprocessor">#endif // BOOST_GEOMETRY_GEOMETRY_POLICIES_RELATE_INTERSECTION_POINTS_HPP</span>
|
||
</pre></div></div>
|
||
<hr size="1">
|
||
<table width="100%">
|
||
<tbody>
|
||
<tr>
|
||
<td align="left"><small>
|
||
<p>December 1, 2009</p>
|
||
</small></td>
|
||
<td align="right">
|
||
<small>Copyright <20> 1995-2009 Barend Gehrels, Geodan, Amsterdam<br>
|
||
Copyright <20> 2008-2009 Bruno Lalande, Paris<br>
|
||
Copyright <20> 2009 Mateusz Loskot, Cadcorp, London<br>
|
||
</small>
|
||
</td>
|
||
</tr>
|
||
</tbody>
|
||
</table>
|
||
|
||
<address style="text-align: right;"><small>
|
||
Documentation is generated by <a href="http://www.doxygen.org/index.html">Doxygen</a>
|
||
</small></address>
|
||
</body>
|
||
</html>
|