QGIS API Documentation 3.29.0-Master (8c80f25a4f)
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
30class 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
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
Encapsulates a point on a distance-elevation profile.
double elevation() const SIP_HOLDGIL
Returns the elevation of the point.
QgsProfilePoint()=default
Constructor for an empty point.
bool isEmpty() const SIP_HOLDGIL
Returns true if the point is empty.
bool operator!=(const QgsProfilePoint &other) const SIP_HOLDGIL
void setElevation(double elevation) SIP_HOLDGIL
Sets the elevation of the point.
double distance() const SIP_HOLDGIL
Returns the distance of the point.
QgsProfilePoint(double distance, double elevation) SIP_HOLDGIL
Create a point at the specified distance and elevation coordinates.
bool operator==(const QgsProfilePoint &other) SIP_HOLDGIL
void setDistance(double distance) SIP_HOLDGIL
Sets the distance of the point.
#define str(x)
Definition: qgis.cpp:37
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
Definition: qgis.h:2915
#define SIP_HOLDGIL
Definition: qgis_sip.h:166