QGIS API Documentation  3.26.3-Buenos Aires (65e4edfdad)
qgsprofilepoint.h
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1 /***************************************************************************
2  qgsprofilepoint.h
3  ---------------
4  begin : April 2022
5  copyright : (C) 2022 by Nyall Dawson
6  email : nyall dot dawson at gmail dot com
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 #ifndef QGSPROFILEPOINT_H
18 #define QGSPROFILEPOINT_H
19 
20 #include "qgis_core.h"
21 #include "qgis_sip.h"
22 #include "qgis.h"
23 
30 class CORE_EXPORT QgsProfilePoint
31 {
32  public:
33 
37  QgsProfilePoint() = default;
38 
42  QgsProfilePoint( double distance, double elevation ) SIP_HOLDGIL
43  : mDistance( distance )
44  , mElevation( elevation )
45  , mIsEmpty( false )
46  {}
47 
53  void setDistance( double distance ) SIP_HOLDGIL
54  {
55  mDistance = distance;
56  mIsEmpty = false;
57  }
58 
64  void setElevation( double elevation ) SIP_HOLDGIL
65  {
66  mElevation = elevation;
67  mIsEmpty = false;
68  }
69 
75  double distance() const SIP_HOLDGIL
76  {
77  return mDistance;
78  }
79 
85  double elevation() const SIP_HOLDGIL
86  {
87  return mElevation;
88  }
89 
95  bool isEmpty() const SIP_HOLDGIL { return mIsEmpty; }
96 
97  bool operator==( const QgsProfilePoint &other ) SIP_HOLDGIL
98  {
99  if ( isEmpty() && other.isEmpty() )
100  return true;
101  if ( isEmpty() && !other.isEmpty() )
102  return false;
103  if ( ! isEmpty() && other.isEmpty() )
104  return false;
105 
106  bool equal = true;
107  equal &= qgsDoubleNear( other.mDistance, mDistance, 1E-8 );
108  equal &= qgsDoubleNear( other.mElevation, mElevation, 1E-8 );
109 
110  return equal;
111  }
112 
113  bool operator!=( const QgsProfilePoint &other ) const SIP_HOLDGIL
114  {
115  if ( isEmpty() && other.isEmpty() )
116  return false;
117  if ( isEmpty() && !other.isEmpty() )
118  return true;
119  if ( ! isEmpty() && other.isEmpty() )
120  return true;
121 
122  bool equal = true;
123  equal &= qgsDoubleNear( other.mDistance, mDistance, 1E-8 );
124  equal &= qgsDoubleNear( other.mElevation, mElevation, 1E-8 );
125 
126  return !equal;
127  }
128 
129 #ifdef SIP_RUN
130  SIP_PYOBJECT __repr__();
131  % MethodCode
132  const QString str = sipCpp->isEmpty()
133  ? QStringLiteral( "<QgsProfilePoint: EMPTY>" )
134  : QStringLiteral( "<QgsProfilePoint: %1, %2>" ).arg( sipCpp->distance() ).arg( sipCpp->elevation() );
135  sipRes = PyUnicode_FromString( str.toUtf8().constData() );
136  % End
137 
138  int __len__();
139  % MethodCode
140  sipRes = 2;
141  % End
142 
143  SIP_PYOBJECT __getitem__( int );
144  % MethodCode
145  if ( a0 == 0 )
146  {
147  sipRes = Py_BuildValue( "d", sipCpp->distance() );
148  }
149  else if ( a0 == 1 )
150  {
151  sipRes = Py_BuildValue( "d", sipCpp->elevation() );
152  }
153  else
154  {
155  QString msg = QString( "Bad index: %1" ).arg( a0 );
156  PyErr_SetString( PyExc_IndexError, msg.toLatin1().constData() );
157  }
158  % End
159 
160 #endif
161 
162  private:
163 
164  double mDistance = 0;
165  double mElevation = 0;
166  bool mIsEmpty = true;
167 };
168 
169 #endif // QGSPROFILEPOINT_H
operator==
bool operator==(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
Definition: qgsfeatureiterator.h:425
qgis.h
operator!=
bool operator!=(const QgsFeatureIterator &fi1, const QgsFeatureIterator &fi2)
Definition: qgsfeatureiterator.h:430
QgsProfilePoint
Encapsulates a point on a distance-elevation profile.
Definition: qgsprofilepoint.h:30
SIP_HOLDGIL
#define SIP_HOLDGIL
Definition: qgis_sip.h:166
qgsDoubleNear
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
Definition: qgis.h:2265
qgis_sip.h
str
#define str(x)
Definition: qgis.cpp:37