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https://github.com/qgis/QGIS.git
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654 lines
19 KiB
Plaintext
654 lines
19 KiB
Plaintext
/************************************************************************
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* This file has been generated automatically from *
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* *
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* src/core/geometry/qgslinestring.h *
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* *
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* Do not edit manually ! Edit header and run scripts/sipify.pl again *
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************************************************************************/
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class QgsLineString: QgsCurve
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{
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%Docstring
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Line string geometry type, with support for z-dimension and m-values.
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.. versionadded:: 2.10
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%End
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%TypeHeaderCode
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#include "qgslinestring.h"
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%End
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public:
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QgsLineString() /HoldGIL/;
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%Docstring
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Constructor for an empty linestring geometry.
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%End
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QgsLineString( const QVector<QgsPoint> &points ) /HoldGIL/;
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%Docstring
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Construct a linestring from a vector of points.
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Z and M type will be set based on the type of the first point
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in the vector.
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.. versionadded:: 3.0
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%End
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QgsLineString( const QVector<double> &x, const QVector<double> &y,
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const QVector<double> &z = QVector<double>(),
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const QVector<double> &m = QVector<double>(), bool is25DType = false ) /HoldGIL/;
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%Docstring
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Construct a linestring from arrays of coordinates. If the z or m
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arrays are non-empty then the resultant linestring will have
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z and m types accordingly.
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This constructor is more efficient then calling :py:func:`~QgsLineString.setPoints`
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or repeatedly calling :py:func:`~QgsLineString.addVertex`
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If the ``z`` vector is filled, then the geometry type will either
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be a LineStringZ(M) or LineString25D depending on the ``is25DType``
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argument. If ``is25DType`` is ``True`` (and the ``m`` vector is unfilled) then
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the created Linestring will be a LineString25D type. Otherwise, the
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LineString will be LineStringZ (or LineStringZM) type.
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.. versionadded:: 3.0
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%End
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QgsLineString( const QgsPoint &p1, const QgsPoint &p2 ) /HoldGIL/;
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%Docstring
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Constructs a linestring with a single segment from ``p1`` to ``p2``.
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.. versionadded:: 3.2
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%End
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QgsLineString( const QVector<QgsPointXY> &points ) /HoldGIL/;
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%Docstring
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Construct a linestring from list of points.
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This constructor is more efficient then calling :py:func:`~QgsLineString.setPoints`
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or repeatedly calling :py:func:`~QgsLineString.addVertex`
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.. versionadded:: 3.0
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%End
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explicit QgsLineString( const QgsLineSegment2D &segment ) /HoldGIL/;
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%Docstring
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Construct a linestring from a single 2d line segment.
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.. versionadded:: 3.2
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%End
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static QgsLineString *fromBezierCurve( const QgsPoint &start, const QgsPoint &controlPoint1, const QgsPoint &controlPoint2, const QgsPoint &end, int segments = 30 ) /Factory/;
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%Docstring
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Returns a new linestring created by segmentizing the bezier curve between ``start`` and ``end``, with
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the specified control points.
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The ``segments`` parameter controls how many line segments will be present in the returned linestring.
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Any z or m values present in the input coordinates will be interpolated along with the x and y values.
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.. versionadded:: 3.10
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%End
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static QgsLineString *fromQPolygonF( const QPolygonF &polygon ) /Factory/;
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%Docstring
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Returns a new linestring from a QPolygonF ``polygon`` input.
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.. versionadded:: 3.10
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%End
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virtual bool equals( const QgsCurve &other ) const;
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SIP_PYOBJECT pointN( int i ) const /TypeHint="QgsPoint"/;
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%Docstring
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Returns the point at the specified index. An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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std::unique_ptr< QgsPoint > p;
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if ( a0 >= 0 )
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p = qgis::make_unique< QgsPoint >( sipCpp->pointN( a0 ) );
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else // negative index, count backwards from end
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p = qgis::make_unique< QgsPoint >( sipCpp->pointN( count + a0 ) );
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sipRes = sipConvertFromType( p.release(), sipType_QgsPoint, Py_None );
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}
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%End
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virtual double xAt( int index ) const;
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%Docstring
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Returns the x-coordinate of the specified node in the line string.
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An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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return PyFloat_FromDouble( sipCpp->xAt( a0 ) );
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else
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return PyFloat_FromDouble( sipCpp->xAt( count + a0 ) );
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}
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%End
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virtual double yAt( int index ) const;
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%Docstring
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Returns the y-coordinate of the specified node in the line string.
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An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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return PyFloat_FromDouble( sipCpp->yAt( a0 ) );
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else
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return PyFloat_FromDouble( sipCpp->yAt( count + a0 ) );
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}
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%End
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double zAt( int index ) const;
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%Docstring
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Returns the z-coordinate of the specified node in the line string.
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An IndexError will be raised if no point with the specified index exists.
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If the LineString does not have a z-dimension then ``nan`` will be returned.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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return PyFloat_FromDouble( sipCpp->zAt( a0 ) );
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else
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return PyFloat_FromDouble( sipCpp->zAt( count + a0 ) );
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}
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%End
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double mAt( int index ) const;
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%Docstring
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Returns the m-coordinate of the specified node in the line string.
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An IndexError will be raised if no point with the specified index exists.
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If the LineString does not have a m-dimension then ``nan`` will be returned.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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return PyFloat_FromDouble( sipCpp->mAt( a0 ) );
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else
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return PyFloat_FromDouble( sipCpp->mAt( count + a0 ) );
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}
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%End
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void setXAt( int index, double x );
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%Docstring
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Sets the x-coordinate of the specified node in the line string.
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The corresponding node must already exist in line string.
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An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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.. seealso:: :py:func:`xAt`
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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sipCpp->setXAt( a0, a1 );
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else
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sipCpp->setXAt( count + a0, a1 );
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}
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%End
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void setYAt( int index, double y );
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%Docstring
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Sets the y-coordinate of the specified node in the line string.
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The corresponding node must already exist in line string.
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An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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.. seealso:: :py:func:`yAt`
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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sipCpp->setYAt( a0, a1 );
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else
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sipCpp->setYAt( count + a0, a1 );
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}
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%End
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void setZAt( int index, double z );
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%Docstring
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Sets the z-coordinate of the specified node in the line string.
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The corresponding node must already exist in line string and the line string must have z-dimension.
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An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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.. seealso:: :py:func:`zAt`
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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sipCpp->setZAt( a0, a1 );
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else
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sipCpp->setZAt( count + a0, a1 );
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}
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%End
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void setMAt( int index, double m );
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%Docstring
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Sets the m-coordinate of the specified node in the line string.
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The corresponding node must already exist in line string and the line string must have m-dimension.
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An IndexError will be raised if no point with the specified index exists.
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Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
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corresponds to the last point in the line.
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.. seealso:: :py:func:`mAt`
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%End
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%MethodCode
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const int count = sipCpp->numPoints();
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if ( a0 < -count || a0 >= count )
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{
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PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
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sipIsErr = 1;
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}
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else
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{
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if ( a0 >= 0 )
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sipCpp->setMAt( a0, a1 );
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else
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sipCpp->setMAt( count + a0, a1 );
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}
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%End
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void setPoints( const QgsPointSequence &points );
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%Docstring
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Resets the line string to match the specified list of points. The line string will
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inherit the dimensionality of the first point in the list.
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:param points: new points for line string. If empty, line string will be cleared.
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%End
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void append( const QgsLineString *line );
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%Docstring
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Appends the contents of another line string to the end of this line string.
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:param line: line to append. Ownership is not transferred.
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%End
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void addVertex( const QgsPoint &pt );
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%Docstring
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Adds a new vertex to the end of the line string.
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:param pt: vertex to add
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%End
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void close();
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%Docstring
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Closes the line string by appending the first point to the end of the line, if it is not already closed.
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%End
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virtual QgsCompoundCurve *toCurveType() const /Factory/;
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%Docstring
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Returns the geometry converted to the more generic curve type :py:class:`QgsCompoundCurve`
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:return: the converted geometry. Caller takes ownership
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%End
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void extend( double startDistance, double endDistance );
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%Docstring
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Extends the line geometry by extrapolating out the start or end of the line
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by a specified distance. Lines are extended using the bearing of the first or last
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segment in the line.
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.. versionadded:: 3.0
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%End
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virtual QString geometryType() const /HoldGIL/;
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virtual int dimension() const /HoldGIL/;
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virtual QgsLineString *clone() const /Factory/;
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virtual void clear();
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virtual bool isEmpty() const /HoldGIL/;
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virtual bool isValid( QString &error /Out/, int flags = 0 ) const;
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virtual QgsLineString *snappedToGrid( double hSpacing, double vSpacing, double dSpacing = 0, double mSpacing = 0 ) const /Factory/;
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virtual bool removeDuplicateNodes( double epsilon = 4 * DBL_EPSILON, bool useZValues = false );
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QVector< QgsVertexId > collectDuplicateNodes( double epsilon = 4 * DBL_EPSILON, bool useZValues = false ) const;
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%Docstring
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Returns a list of any duplicate nodes contained in the geometry, within the specified tolerance.
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If ``useZValues`` is ``True`` then z values will also be considered when testing for duplicates.
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.. versionadded:: 3.16
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%End
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virtual QPolygonF asQPolygonF() const;
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virtual bool fromWkb( QgsConstWkbPtr &wkb );
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virtual bool fromWkt( const QString &wkt );
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virtual int wkbSize( QgsAbstractGeometry::WkbFlags flags = QgsAbstractGeometry::WkbFlags() ) const;
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virtual QByteArray asWkb( QgsAbstractGeometry::WkbFlags flags = QgsAbstractGeometry::WkbFlags() ) const;
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virtual QString asWkt( int precision = 17 ) const;
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virtual QDomElement asGml2( QDomDocument &doc, int precision = 17, const QString &ns = "gml", QgsAbstractGeometry::AxisOrder axisOrder = QgsAbstractGeometry::AxisOrder::XY ) const;
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virtual QDomElement asGml3( QDomDocument &doc, int precision = 17, const QString &ns = "gml", QgsAbstractGeometry::AxisOrder axisOrder = QgsAbstractGeometry::AxisOrder::XY ) const;
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virtual QString asKml( int precision = 17 ) const;
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virtual double length() const /HoldGIL/;
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double length3D() const /HoldGIL/;
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%Docstring
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Returns the length in 3D world of the line string.
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If it is not a 3D line string, return its 2D length.
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.. seealso:: :py:func:`length`
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.. versionadded:: 3.10
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%End
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virtual QgsPoint startPoint() const /HoldGIL/;
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virtual QgsPoint endPoint() const /HoldGIL/;
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virtual QgsLineString *curveToLine( double tolerance = M_PI_2 / 90, SegmentationToleranceType toleranceType = MaximumAngle ) const /Factory/;
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%Docstring
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Returns a new line string geometry corresponding to a segmentized approximation
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of the curve.
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:param tolerance: segmentation tolerance
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:param toleranceType: maximum segmentation angle or maximum difference between approximation and curve
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%End
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virtual int numPoints() const /HoldGIL/;
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virtual int nCoordinates() const /HoldGIL/;
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virtual void points( QgsPointSequence &pt /Out/ ) const;
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virtual void draw( QPainter &p ) const;
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virtual void transform( const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d = QgsCoordinateTransform::ForwardTransform, bool transformZ = false ) throw( QgsCsException );
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virtual void transform( const QTransform &t, double zTranslate = 0.0, double zScale = 1.0, double mTranslate = 0.0, double mScale = 1.0 );
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virtual void addToPainterPath( QPainterPath &path ) const;
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virtual void drawAsPolygon( QPainter &p ) const;
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virtual bool insertVertex( QgsVertexId position, const QgsPoint &vertex );
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virtual bool moveVertex( QgsVertexId position, const QgsPoint &newPos );
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virtual bool deleteVertex( QgsVertexId position );
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virtual QgsLineString *reversed() const /Factory/;
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virtual QgsPoint *interpolatePoint( double distance ) const /Factory/;
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virtual QgsLineString *curveSubstring( double startDistance, double endDistance ) const /Factory/;
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virtual double closestSegment( const QgsPoint &pt, QgsPoint &segmentPt /Out/, QgsVertexId &vertexAfter /Out/, int *leftOf /Out/ = 0, double epsilon = 4 * DBL_EPSILON ) const;
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virtual bool pointAt( int node, QgsPoint &point, QgsVertexId::VertexType &type ) const;
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virtual QgsPoint centroid() const;
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virtual void sumUpArea( double &sum /Out/ ) const;
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virtual double vertexAngle( QgsVertexId vertex ) const;
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virtual double segmentLength( QgsVertexId startVertex ) const;
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virtual bool addZValue( double zValue = 0 );
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virtual bool addMValue( double mValue = 0 );
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virtual bool dropZValue();
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virtual bool dropMValue();
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|
virtual void swapXy();
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|
|
virtual bool convertTo( QgsWkbTypes::Type type );
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|
|
virtual QgsLineString *createEmptyWithSameType() const /Factory/;
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|
SIP_PYOBJECT __repr__();
|
|
%MethodCode
|
|
QString wkt = sipCpp->asWkt();
|
|
if ( wkt.length() > 1000 )
|
|
wkt = wkt.left( 1000 ) + QStringLiteral( "..." );
|
|
QString str = QStringLiteral( "<QgsLineString: %1>" ).arg( wkt );
|
|
sipRes = PyUnicode_FromString( str.toUtf8().constData() );
|
|
%End
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|
|
|
SIP_PYOBJECT __getitem__( int index ) /TypeHint="QgsPoint"/;
|
|
%Docstring
|
|
Returns the point at the specified ``index``. An IndexError will be raised if no point with the specified ``index`` exists.
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|
|
|
Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
|
|
corresponds to the last point in the line.
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|
|
|
.. versionadded:: 3.6
|
|
%End
|
|
%MethodCode
|
|
const int count = sipCpp->numPoints();
|
|
if ( a0 < -count || a0 >= count )
|
|
{
|
|
PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
|
|
sipIsErr = 1;
|
|
}
|
|
else
|
|
{
|
|
std::unique_ptr< QgsPoint > p;
|
|
if ( a0 >= 0 )
|
|
p = qgis::make_unique< QgsPoint >( sipCpp->pointN( a0 ) );
|
|
else
|
|
p = qgis::make_unique< QgsPoint >( sipCpp->pointN( count + a0 ) );
|
|
sipRes = sipConvertFromType( p.release(), sipType_QgsPoint, Py_None );
|
|
}
|
|
%End
|
|
|
|
void __setitem__( int index, const QgsPoint &point );
|
|
%Docstring
|
|
Sets the point at the specified ``index``. A point at the ``index`` must already exist or an IndexError will be raised.
|
|
|
|
Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
|
|
corresponds to the last point in the line.
|
|
|
|
.. versionadded:: 3.6
|
|
%End
|
|
%MethodCode
|
|
const int count = sipCpp->numPoints();
|
|
if ( a0 < -count || a0 >= count )
|
|
{
|
|
PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
|
|
sipIsErr = 1;
|
|
}
|
|
else
|
|
{
|
|
if ( a0 < 0 )
|
|
a0 = count + a0;
|
|
sipCpp->setXAt( a0, a1->x() );
|
|
sipCpp->setYAt( a0, a1->y() );
|
|
if ( sipCpp->isMeasure() )
|
|
sipCpp->setMAt( a0, a1->m() );
|
|
if ( sipCpp->is3D() )
|
|
sipCpp->setZAt( a0, a1->z() );
|
|
}
|
|
%End
|
|
|
|
|
|
void __delitem__( int index );
|
|
%Docstring
|
|
Deletes the vertex at the specified ``index``. A point at the ``index`` must already exist or an IndexError will be raised.
|
|
|
|
Indexes can be less than 0, in which case they correspond to positions from the end of the line. E.g. an index of -1
|
|
corresponds to the last point in the line.
|
|
|
|
.. versionadded:: 3.6
|
|
%End
|
|
%MethodCode
|
|
const int count = sipCpp->numPoints();
|
|
if ( a0 >= 0 && a0 < count )
|
|
sipCpp->deleteVertex( QgsVertexId( -1, -1, a0 ) );
|
|
else if ( a0 < 0 && a0 >= -count )
|
|
sipCpp->deleteVertex( QgsVertexId( -1, -1, count + a0 ) );
|
|
else
|
|
{
|
|
PyErr_SetString( PyExc_IndexError, QByteArray::number( a0 ) );
|
|
sipIsErr = 1;
|
|
}
|
|
%End
|
|
|
|
|
|
protected:
|
|
|
|
virtual QgsRectangle calculateBoundingBox() const;
|
|
|
|
|
|
};
|
|
|
|
|
|
/************************************************************************
|
|
* This file has been generated automatically from *
|
|
* *
|
|
* src/core/geometry/qgslinestring.h *
|
|
* *
|
|
* Do not edit manually ! Edit header and run scripts/sipify.pl again *
|
|
************************************************************************/
|