21 #include "qgis_core.h" 41 Q_PROPERTY(
double x READ x WRITE setX )
42 Q_PROPERTY(
double y READ y WRITE setY )
43 Q_PROPERTY(
double z READ z WRITE setZ )
44 Q_PROPERTY(
double m READ m WRITE setM )
83 z = std::numeric_limits<double>::quiet_NaN();
87 z = PyFloat_AsDouble( a2 );
92 m = std::numeric_limits<double>::quiet_NaN();
96 m = PyFloat_AsDouble( a3 );
99 sipCpp =
new sipQgsPoint( a0, a1, z, m, a4 );
118 explicit QgsPoint(
QgsWkbTypes::Type wkbType,
double x = 0.0,
double y = 0.0,
double z = std::numeric_limits<double>::quiet_NaN(),
double m = std::numeric_limits<double>::quiet_NaN() )
SIP_SKIP;
128 double x()
const {
return mX; }
135 double y()
const {
return mY; }
142 double z()
const {
return mZ; }
149 double m()
const {
return mM; }
243 QPointF toQPointF()
const;
252 double distance(
double x,
double y )
const;
260 double distance(
const QgsPoint &other )
const;
269 double distanceSquared(
double x,
double y )
const;
278 double distanceSquared(
const QgsPoint &other )
const;
287 double distance3D(
double x,
double y,
double z )
const;
295 double distance3D(
const QgsPoint &other )
const;
304 double distanceSquared3D(
double x,
double y,
double z )
const;
313 double distanceSquared3D(
const QgsPoint &other )
const;
319 double azimuth(
const QgsPoint &other )
const;
326 double inclination(
const QgsPoint &other )
const;
356 QgsPoint project(
double distance,
double azimuth,
double inclination = 90.0 )
const;
395 bool removeDuplicateNodes(
double epsilon = 4 * DBL_EPSILON,
bool useZValues =
false )
override;
396 void clear()
override;
398 bool fromWkt(
const QString &wkt )
override;
399 QByteArray
asWkb()
const override;
400 QString
asWkt(
int precision = 17 )
const override;
401 QDomElement
asGml2( QDomDocument &doc,
int precision = 17,
const QString &ns =
"gml" )
const override;
402 QDomElement
asGml3( QDomDocument &doc,
int precision = 17,
const QString &ns =
"gml" )
const override;
403 QString
asJson(
int precision = 17 )
const override;
404 void draw( QPainter &p )
const override;
406 bool transformZ =
false )
override;
407 void transform(
const QTransform &t,
double zTranslate = 0.0,
double zScale = 1.0,
double mTranslate = 0.0,
double mScale = 1.0 )
override;
428 int vertexCount(
int = 0,
int = 0 )
const override;
435 bool addZValue(
double zValue = 0 )
override;
436 bool addMValue(
double mValue = 0 )
override;
453 return static_cast<const QgsPoint *
>( geom );
474 #endif // QGSPOINTV2_H bool isMeasure() const
Returns true if the geometry contains m values.
virtual QString asWkt(int precision=17) const =0
Returns a WKT representation of the geometry.
A rectangle specified with double values.
virtual QgsAbstractGeometry * snappedToGrid(double hSpacing, double vSpacing, double dSpacing=0, double mSpacing=0) const =0
Makes a new geometry with all the points or vertices snapped to the closest point of the grid...
virtual int vertexNumberFromVertexId(QgsVertexId id) const =0
Returns the vertex number corresponding to a vertex id.
virtual int childCount() const
Returns number of child geometries (for geometries with child geometries) or child points (for geomet...
virtual bool isEmpty() const
Returns true if the geometry is empty.
virtual bool removeDuplicateNodes(double epsilon=4 *DBL_EPSILON, bool useZValues=false)=0
Removes duplicate nodes from the geometry, wherever removing the nodes does not result in a degenerat...
virtual bool deleteVertex(QgsVertexId position)=0
Deletes a vertex within the geometry.
virtual QgsAbstractGeometry * toCurveType() const =0
Returns the geometry converted to the more generic curve type.
QgsVector operator-(const QgsPoint &p) const
Calculates the vector obtained by subtracting a point from this point.
virtual QByteArray asWkb() const =0
Returns a WKB representation of the geometry.
double & rz()
Returns a reference to the z-coordinate of this point.
void setZ(double z)
Sets the point's z-coordinate.
virtual bool insertVertex(QgsVertexId position, const QgsPoint &vertex)=0
Inserts a vertex into the geometry.
virtual QgsPoint childPoint(int index) const
Returns point at index (for geometries without child geometries - i.e.
QVector< QgsRingSequence > QgsCoordinateSequence
A class to represent a 2D point.
virtual double vertexAngle(QgsVertexId vertex) const =0
Returns approximate angle at a vertex.
virtual bool addMValue(double mValue=0)=0
Adds a measure to the geometry, initialized to a preset value.
virtual QgsAbstractGeometry * createEmptyWithSameType() const =0
Creates a new geometry with the same class and same WKB type as the original and transfers ownership...
virtual QString asJson(int precision=17) const =0
Returns a GeoJSON representation of the geometry.
virtual double closestSegment(const QgsPoint &pt, QgsPoint &segmentPt, QgsVertexId &vertexAfter, int *leftOf=nullptr, double epsilon=4 *DBL_EPSILON) const =0
Searches for the closest segment of the geometry to a given point.
virtual QgsAbstractGeometry * boundary() const =0
Returns the closure of the combinatorial boundary of the geometry (ie the topological boundary of the...
virtual bool nextVertex(QgsVertexId &id, QgsPoint &vertex) const =0
Returns next vertex id and coordinates.
virtual QgsRectangle boundingBox() const =0
Returns the minimal bounding box for the geometry.
virtual void transform(const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d=QgsCoordinateTransform::ForwardTransform, bool transformZ=false)=0
Transforms the geometry using a coordinate transform.
virtual QgsAbstractGeometry * clone() const =0
Clones the geometry by performing a deep copy.
double y() const
Returns the point's y-coordinate.
Type
The WKB type describes the number of dimensions a geometry has.
QgsPoint & operator-=(QgsVector v)
Subtracts a vector from this point in place.
void setM(double m)
Sets the point's m-value.
virtual void clearCache() const
Clears any cached parameters associated with the geometry, e.g., bounding boxes.
virtual double segmentLength(QgsVertexId startVertex) const =0
Returns the length of the segment of the geometry which begins at startVertex.
Utility class for identifying a unique vertex within a geometry.
QgsPoint operator+(QgsVector v) const
Adds a vector to this point.
virtual int ringCount(int part=0) const =0
Returns the number of rings of which this geometry is built.
double & rx()
Returns a reference to the x-coordinate of this point.
Abstract base class for all geometries.
virtual int dimension() const =0
Returns the inherent dimension of the geometry.
QgsWkbTypes::Type wkbType() const
Returns the WKB type of the geometry.
Point geometry type, with support for z-dimension and m-values.
A class to represent a vector.
void setX(double x)
Sets the point's x-coordinate.
void setY(double y)
Sets the point's y-coordinate.
double m() const
Returns the point's m value.
virtual QgsCoordinateSequence coordinateSequence() const =0
Retrieves the sequence of geometries, rings and nodes.
virtual void adjacentVertices(QgsVertexId vertex, QgsVertexId &previousVertex, QgsVertexId &nextVertex) const =0
Returns the vertices adjacent to a specified vertex within a geometry.
double & rm()
Returns a reference to the m value of this point.
virtual void clear()=0
Clears the geometry, ie reset it to a null geometry.
virtual QDomElement asGml2(QDomDocument &doc, int precision=17, const QString &ns="gml") const =0
Returns a GML2 representation of the geometry.
virtual bool moveVertex(QgsVertexId position, const QgsPoint &newPos)=0
Moves a vertex within the geometry.
virtual void draw(QPainter &p) const =0
Draws the geometry using the specified QPainter.
const QgsPoint * cast(const QgsAbstractGeometry *geom) const
Cast the geom to a QgsPoint.
virtual bool addZValue(double zValue=0)=0
Adds a z-dimension to the geometry, initialized to a preset value.
virtual int vertexCount(int part=0, int ring=0) const =0
Returns the number of vertices of which this geometry is built.
virtual bool convertTo(QgsWkbTypes::Type type)
Converts the geometry to a specified type.
double z() const
Returns the point's z-coordinate.
virtual QDomElement asGml3(QDomDocument &doc, int precision=17, const QString &ns="gml") const =0
Returns a GML3 representation of the geometry.
QgsPoint operator-(QgsVector v) const
Subtracts a vector from this point.
double x() const
Returns the vector's x-component.
virtual bool dropMValue()=0
Drops any measure values which exist in the geometry.
virtual bool fromWkt(const QString &wkt)=0
Sets the geometry from a WKT string.
virtual QgsPoint vertexAt(QgsVertexId id) const =0
Returns the point corresponding to a specified vertex id.
virtual int nCoordinates() const
Returns the number of nodes contained in the geometry.
static Type flatType(Type type)
Returns the flat type for a WKB type.
double y() const
Returns the vector's y-component.
double & ry()
Returns a reference to the y-coordinate of this point.
bool is3D() const
Returns true if the geometry is 3D and contains a z-value.
double ANALYSIS_EXPORT leftOf(const QgsPoint &thepoint, const QgsPoint *p1, const QgsPoint *p2)
Returns whether 'thepoint' is left or right of the line from 'p1' to 'p2'. Negativ values mean left a...
virtual bool dropZValue()=0
Drops any z-dimensions which exist in the geometry.
QgsPoint & operator+=(QgsVector v)
Adds a vector to this point in place.
virtual int partCount() const =0
Returns count of parts contained in the geometry.
virtual QString geometryType() const =0
Returns a unique string representing the geometry type.
virtual bool fromWkb(QgsConstWkbPtr &wkb)=0
Sets the geometry from a WKB string.