18#ifndef QGSCOMPOUNDCURVE_H
19#define QGSCOMPOUNDCURVE_H
40 bool fuzzyHelper(
const QgsAbstractGeometry &other,
double epsilon,
bool useDistance )
const
42 const QgsCompoundCurve *otherCurve = qgsgeometry_cast< const QgsCompoundCurve * >( &other );
46 if ( mWkbType != otherCurve->
mWkbType )
49 if ( mCurves.size() != otherCurve->mCurves.size() )
52 for (
int i = 0; i < mCurves.size(); ++i )
56 if ( !( *mCurves.at( i ) ).fuzzyDistanceEqual( *otherCurve->mCurves.at( i ), epsilon ) )
64 if ( !( *mCurves.at( i ) ).fuzzyEqual( *otherCurve->mCurves.at( i ), epsilon ) )
78 return fuzzyHelper( other, epsilon,
false );
82 return fuzzyHelper( other, epsilon,
true );
94 void clear() override;
97 bool fromWkt( const QString &wkt ) override;
101 QString asWkt(
int precision = 17 ) const override;
113 bool isValid( QString &error
SIP_OUT,
Qgis::GeometryValidityFlags flags =
Qgis::GeometryValidityFlags() ) const override;
114 int indexOf( const
QgsPoint &point ) const final;
122 QgsLineString *curveToLine(
double tolerance = M_PI_2 / 90, SegmentationToleranceType toleranceType = MaximumAngle ) const override
SIP_FACTORY;
124 QgsCompoundCurve *snappedToGrid(
double hSpacing,
double vSpacing,
double dSpacing = 0,
double mSpacing = 0,
bool removeRedundantPoints = false ) const override
SIP_FACTORY;
126 bool removeDuplicateNodes(
double epsilon = 4 * std::numeric_limits<
double>::epsilon(),
bool useZValues = false ) override;
155 void removeCurve(
int i );
160 void addVertex(
const QgsPoint &pt );
168 void condenseCurves();
178 bool toggleCircularAtVertex(
QgsVertexId position );
180 void draw( QPainter &p )
const override;
182 void transform( const QTransform &t,
double zTranslate = 0.0,
double zScale = 1.0,
double mTranslate = 0.0,
double mScale = 1.0 ) override;
183 void addToPainterPath( QPainterPath &path ) const override;
184 void drawAsPolygon( QPainter &p ) const override;
187 bool deleteVertex(
QgsVertexId position ) override;
189 bool pointAt(
int node,
QgsPoint &point,
Qgis::VertexType &type ) const override;
190 void sumUpArea(
double &sum
SIP_OUT ) const override;
195 bool hasCurvedSegments() const override;
196 double vertexAngle(
QgsVertexId vertex ) const override;
197 double segmentLength(
QgsVertexId startVertex ) const override;
202 bool addZValue(
double zValue = 0 ) override;
203 bool addMValue(
double mValue = 0 ) override;
205 bool dropZValue() override;
206 bool dropMValue() override;
207 void swapXy() override;
209 double xAt(
int index ) const override
SIP_HOLDGIL;
210 double yAt(
int index ) const override
SIP_HOLDGIL;
211 double zAt(
int index ) const override
SIP_HOLDGIL;
212 double mAt(
int index ) const override
SIP_HOLDGIL;
215 void scroll(
int firstVertexIndex ) final;
220 std::tuple< std::unique_ptr< QgsCurve >, std::unique_ptr< QgsCurve > >
splitCurveAtVertex(
int index )
const final;
239 SIP_PYOBJECT __repr__();
241 QString wkt = sipCpp->asWkt();
242 if ( wkt.length() > 1000 )
243 wkt = wkt.left( 1000 ) + QStringLiteral(
"..." );
244 QString
str = QStringLiteral(
"<QgsCompoundCurve: %1>" ).arg( wkt );
245 sipRes = PyUnicode_FromString(
str.toUtf8().constData() );
255 QVector< QgsCurve * > mCurves;
261 QVector< QPair<int, QgsVertexId> > curveVertexId(
QgsVertexId id )
const;
The Qgis class provides global constants for use throughout the application.
@ CompoundCurve
CompoundCurve.
TransformDirection
Indicates the direction (forward or inverse) of a transform.
@ Forward
Forward transform (from source to destination)
Abstract base class for all geometries.
virtual QgsBox3D calculateBoundingBox3D() const
Calculates the minimal 3D bounding box for the geometry.
virtual void draw(QPainter &p) const =0
Draws the geometry using the specified QPainter.
virtual void transformVertices(const std::function< QgsPoint(const QgsPoint &) > &transform)
Transforms the vertices from the geometry in place, applying the transform function to every vertex.
virtual QString geometryType() const =0
Returns a unique string representing the geometry type.
virtual QgsAbstractGeometry * createEmptyWithSameType() const =0
Creates a new geometry with the same class and same WKB type as the original and transfers ownership.
QgsAbstractGeometry & operator=(const QgsAbstractGeometry &geom)
Qgis::WkbType wkbType() const
Returns the WKB type of the geometry.
virtual bool fuzzyEqual(const QgsAbstractGeometry &other, double epsilon=1e-8) const =0
Performs fuzzy comparison between this geometry and other using an epsilon.
virtual void transform(const QgsCoordinateTransform &ct, Qgis::TransformDirection d=Qgis::TransformDirection::Forward, bool transformZ=false)=0
Transforms the geometry using a coordinate transform.
virtual void filterVertices(const std::function< bool(const QgsPoint &) > &filter)
Filters the vertices from the geometry in place, removing any which do not return true for the filter...
virtual int compareToSameClass(const QgsAbstractGeometry *other) const =0
Compares to an other geometry of the same class, and returns a integer for sorting of the two geometr...
A 3-dimensional box composed of x, y, z coordinates.
Compound curve geometry type.
bool fuzzyEqual(const QgsAbstractGeometry &other, double epsilon=1e-8) const override
Performs fuzzy comparison between this geometry and other using an epsilon.
bool fuzzyDistanceEqual(const QgsAbstractGeometry &other, double epsilon=1e-8) const override
Performs fuzzy distance comparison between this geometry and other using an epsilon.
bool equals(const QgsCurve &other) const override
Checks whether this curve exactly equals another curve.
static const QgsCompoundCurve * cast(const QgsAbstractGeometry *geom)
Cast the geom to a QgsCompoundCurve.
Custom exception class for Coordinate Reference System related exceptions.
Abstract base class for curved geometry type.
virtual std::tuple< std::unique_ptr< QgsCurve >, std::unique_ptr< QgsCurve > > splitCurveAtVertex(int index) const =0
Splits the curve at the specified vertex index, returning two curves which represent the portion of t...
Base class for feedback objects to be used for cancellation of something running in a worker thread.
Line string geometry type, with support for z-dimension and m-values.
Point geometry type, with support for z-dimension and m-values.
static Qgis::WkbType flatType(Qgis::WkbType type)
Returns the flat type for a WKB type.
As part of the API refactoring and improvements which landed in the Processing API was substantially reworked from the x version This was done in order to allow much of the underlying Processing framework to be ported into c
#define SIP_THROW(name,...)
QVector< QgsPoint > QgsPointSequence
double closestSegment(const QgsPolylineXY &pl, const QgsPointXY &pt, int &vertexAfter, double epsilon)
Utility class for identifying a unique vertex within a geometry.