QGIS API Documentation 3.27.0-Master (1c05421486)
qgsprofilerequest.cpp
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1/***************************************************************************
2 qgsprofilerequest.cpp
3 ---------------
4 begin : February 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#include "qgsprofilerequest.h"
18#include "qgscurve.h"
19#include "qgsterrainprovider.h"
20
22 : mCurve( curve )
23{
24
25}
26
28
30 : mCurve( other.mCurve ? other.mCurve->clone() : nullptr )
31 , mCrs( other.mCrs )
32 , mTransformContext( other.mTransformContext )
33 , mTolerance( other.mTolerance )
34 , mStepDistance( other.mStepDistance )
35 , mTerrainProvider( other.mTerrainProvider ? other.mTerrainProvider->clone() : nullptr )
36 , mExpressionContext( other.mExpressionContext )
37{
38
39}
40
42{
43 mCurve.reset( other.mCurve ? other.mCurve->clone() : nullptr );
44 mCrs = other.mCrs;
45 mTransformContext = other.mTransformContext;
46 mTolerance = other.mTolerance;
47 mStepDistance = other.mStepDistance;
48 mTerrainProvider.reset( other.mTerrainProvider ? other.mTerrainProvider->clone() : nullptr );
49 mExpressionContext = other.mExpressionContext;
50 return *this;
51}
52
54{
55 if ( !qgsDoubleNear( mTolerance, other.mTolerance )
56 || !qgsDoubleNear( mStepDistance, other.mStepDistance )
57 || mCrs != other.mCrs
58 || !( mTransformContext == other.mTransformContext ) )
59 return false;
60
61 if ( ( !mCurve && other.mCurve )
62 || ( mCurve && !other.mCurve ) )
63 {
64 return false;
65 }
66 else if ( mCurve && other.mCurve )
67 {
68 if ( !mCurve->equals( *other.mCurve ) )
69 return false;
70 }
71
72 if ( ( mTerrainProvider && !other.mTerrainProvider )
73 || ( !mTerrainProvider && other.mTerrainProvider ) )
74 {
75 return false;
76 }
77 else if ( mTerrainProvider && other.mTerrainProvider )
78 {
79 if ( !mTerrainProvider->equals( other.mTerrainProvider.get() ) )
80 return false;
81 }
82
83 return true;
84}
85
87{
88 return !( *this == other );
89}
90
92{
93 mCurve.reset( curve );
94 return *this;
95}
96
98{
99 return mCurve.get();
100}
101
103{
104 mCrs = crs;
105 return *this;
106}
107
109{
110 return mCrs;
111}
112
114{
115 return mTransformContext;
116}
117
119{
120 mTransformContext = context;
121 return *this;
122}
123
125{
126 mTolerance = tolerance;
127 return *this;
128}
129
131{
132 mTerrainProvider.reset( provider );
133 return *this;
134}
135
137{
138 return mTerrainProvider.get();
139}
140
142{
143 mStepDistance = distance;
144 return *this;
145}
146
148{
149 mExpressionContext = context;
150 return *this;
151}
152
Abstract base class for terrain providers.
This class represents a coordinate reference system (CRS).
Contains information about the context in which a coordinate transform is executed.
Abstract base class for curved geometry type.
Definition: qgscurve.h:36
Expression contexts are used to encapsulate the parameters around which a QgsExpression should be eva...
Encapsulates properties and constraints relating to fetching elevation profiles from different source...
QgsProfileRequest & setStepDistance(double distance)
Sets the profile step distance (in crs() units).
QgsAbstractTerrainProvider * terrainProvider() const
Returns the terrain provider.
QgsProfileRequest(QgsCurve *curve)
Constructor for QgsProfileRequest.
QgsProfileRequest & setExpressionContext(const QgsExpressionContext &context)
Sets the expression context used to evaluate expressions.
bool operator==(const QgsProfileRequest &other) const
QgsCoordinateReferenceSystem crs() const
Returns the desired Coordinate Reference System for the profile.
bool operator!=(const QgsProfileRequest &other) const
double tolerance() const
Returns the tolerance of the request (in crs() units).
QgsProfileRequest & setTransformContext(const QgsCoordinateTransformContext &context)
Sets the transform context, for use when transforming coordinates from a source to the request's crs(...
QgsCurve * profileCurve() const
Returns the cross section profile curve, which represents the line along which the profile should be ...
QgsProfileRequest & setTerrainProvider(QgsAbstractTerrainProvider *provider)
Sets the terrain provider.
QgsProfileRequest & setProfileCurve(QgsCurve *curve)
Sets the cross section profile curve, which represents the line along which the profile should be gen...
QgsProfileRequest & setTolerance(double tolerance)
Sets the tolerance of the request (in crs() units).
QgsProfileRequest & setCrs(const QgsCoordinateReferenceSystem &crs)
Sets the desired Coordinate Reference System (crs) for the profile.
QgsProfileRequest & operator=(const QgsProfileRequest &other)
Assignment operator.
QgsCoordinateTransformContext transformContext() const
Returns the transform context, for use when transforming coordinates from a source to the request's c...
bool qgsDoubleNear(double a, double b, double epsilon=4 *std::numeric_limits< double >::epsilon())
Compare two doubles (but allow some difference)
Definition: qgis.h:2507
const QgsCoordinateReferenceSystem & crs