25 #include <QPainterPath> 44 return *otherCurve == *
this;
54 Q_FOREACH (
const QgsCurveV2* c, curve.mCurves )
56 mCurves.
append( static_cast<QgsCurveV2*>( c->
clone() ) );
66 Q_FOREACH (
const QgsCurveV2* c, curve.mCurves )
68 mCurves.
append( static_cast<QgsCurveV2*>( c->
clone() ) );
81 qDeleteAll( mCurves );
89 if ( mCurves.
size() < 1 )
95 for (
int i = 1; i < mCurves.
size(); ++i )
121 int currentCurveSize = 0;
122 for (
int i = 0; i <
nCurves; ++i )
125 wkbPtr -= 1 +
sizeof( int );
138 currentCurve->
fromWkb( wkbPtr );
139 currentCurveSize = currentCurve->
wkbSize();
140 mCurves.
append( currentCurve );
141 wkbPtr += currentCurveSize;
171 if ( !mCurves.
back()->fromWkt( childWkt ) )
182 Q_FOREACH (
const QgsCurveV2* curve, mCurves )
184 hasZ = hasZ || curve->
is3D();
199 int size =
sizeof( char ) +
sizeof( quint32 ) +
sizeof( quint32 );
200 Q_FOREACH (
const QgsCurveV2 *curve, mCurves )
210 unsigned char* geomPtr =
new unsigned char[binarySize];
213 wkb << static_cast<quint32>(
wkbType() );
214 wkb << static_cast<quint32>( mCurves.
size() );
215 Q_FOREACH (
const QgsCurveV2* curve, mCurves )
218 unsigned char* curveWkb = curve->
asWkb( curveWkbLen );
219 memcpy( wkb, curveWkb, curveWkbLen );
229 Q_FOREACH (
const QgsCurveV2* curve, mCurves )
232 if ( dynamic_cast<const QgsLineStringV2*>( curve ) )
235 childWkt = childWkt.
mid( childWkt.
indexOf(
'(' ) );
237 wkt += childWkt +
',';
262 Q_FOREACH (
const QgsCurveV2* curve, mCurves )
264 if ( dynamic_cast<const QgsLineStringV2*>( curve ) )
273 else if ( dynamic_cast<const QgsCircularStringV2*>( curve ) )
300 for ( ; curveIt != mCurves.
constEnd(); ++curveIt )
302 length += ( *curveIt )->length();
309 if ( mCurves.
size() < 1 )
313 return mCurves.
at( 0 )->startPoint();
318 if ( mCurves.
size() < 1 )
328 if ( mCurves.
size() < 1 )
333 mCurves[0]->points( pts );
334 for (
int i = 1; i < mCurves.
size(); ++i )
337 mCurves[i]->points( pList );
352 for (
int i = 0; i <
nCurves; ++i )
354 nPoints += mCurves.
at( i )->numPoints() - 1;
365 for ( ; curveIt != mCurves.
constEnd(); ++curveIt )
368 line->
append( currentLine );
376 if ( i >= mCurves.
size() )
380 return mCurves.
at( i );
399 if ( mCurves.
size() - 1 < i )
404 delete( mCurves.
at( i ) );
420 lastCurve = mCurves.
at( mCurves.
size() - 1 );
424 if ( !lastCurve || lastCurve->
geometryType() !=
"LineString" )
445 for ( ; it != mCurves.
constEnd(); ++it )
473 for ( ; it != mCurves.
constEnd(); ++it )
475 ( *it )->addToPainterPath( pp );
484 for ( ; it != mCurves.
constEnd(); ++it )
486 ( *it )->addToPainterPath( pp );
494 if ( curveIds.
size() < 1 )
498 int curveId = curveIds.
at( 0 ).first;
499 if ( curveId >= mCurves.
size() )
504 bool success = mCurves.
at( curveId )->insertVertex( curveIds.
at( 0 ).second, vertex );
516 for ( ; idIt != curveIds.
constEnd(); ++idIt )
518 mCurves.
at( idIt->
first )->moveVertex( idIt->second, newPos );
521 bool success = !curveIds.
isEmpty();
533 for ( ; idIt != curveIds.
constEnd(); ++idIt )
535 mCurves.
at( idIt->
first )->deleteVertex( idIt->second );
538 bool success = !curveIds.
isEmpty();
550 int currentVertexIndex = 0;
551 for (
int i = 0; i < mCurves.
size(); ++i )
553 int increment = mCurves.
at( i )->numPoints() - 1;
554 if (
id.vertex >= currentVertexIndex &&
id.vertex <= currentVertexIndex + increment )
556 int curveVertexId =
id.vertex - currentVertexIndex;
560 vid.
vertex = curveVertexId;
561 curveIds.
append( qMakePair( i, vid ) );
562 if ( curveVertexId == increment && i < ( mCurves.
size() - 1 ) )
565 curveIds.
append( qMakePair( i + 1, vid ) );
568 currentVertexIndex += increment;
581 int currentVertexId = 0;
582 for (
int j = 0; j < mCurves.
size(); ++j )
584 int nCurvePoints = mCurves.
at( j )->numPoints();
585 if (( node - currentVertexId ) < nCurvePoints )
587 return ( mCurves.
at( j )->pointAt( node - currentVertexId, point, type ) );
589 currentVertexId += ( nCurvePoints - 1 );
597 for ( ; curveIt != mCurves.
constEnd(); ++curveIt )
599 ( *curveIt )->sumUpArea( sum );
615 for ( ; curveIt != mCurves.
constEnd(); ++curveIt )
617 if (( *curveIt )->hasCurvedSegments() )
628 if ( curveIds.
size() == 1 )
633 else if ( curveIds.
size() > 1 )
637 double angle1 = curve1->
vertexAngle( curveIds.
at( 0 ).second );
638 double angle2 = curve2->
vertexAngle( curveIds.
at( 1 ).second );
virtual QgsCompoundCurveV2 * reversed() const override
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
virtual bool deleteVertex(QgsVertexId position) override
Deletes a vertex within the geometry.
void addPath(const QPainterPath &path)
int indexOf(QChar ch, int from, Qt::CaseSensitivity cs) const
QgsWKBTypes::Type wkbType() const
Returns the WKB type of the geometry.
A rectangle specified with double values.
QDomElement asGML2(QDomDocument &doc, int precision=17, const QString &ns="gml") const override
Returns a GML2 representation of the geometry.
virtual bool dropMValue()=0
Drops any measure values which exist in the geometry.
virtual QgsLineStringV2 * curveToLine() const override
Returns a new line string geometry corresponding to a segmentized approximation of the curve...
static QPair< QgsWKBTypes::Type, QString > wktReadBlock(const QString &wkt)
Parses a WKT block of the format "TYPE( contents )" and returns a pair of geometry type to contents (...
void close()
Appends first point if not already closed.
virtual QgsAbstractGeometryV2 & operator=(const QgsAbstractGeometryV2 &geom)
QDomNode appendChild(const QDomNode &newChild)
bool hasCurvedSegments() const override
Returns true if the geometry contains curved segments.
static double averageAngle(double x1, double y1, double x2, double y2, double x3, double y3)
Angle between two linear segments.
static Type addZ(Type type)
Adds the z dimension to a WKB type and returns the new type.
static bool hasM(Type type)
Tests whether a WKB type contains m values.
Circular string geometry type.
virtual QgsPointV2 endPoint() const override
Returns the end point of the curve.
double vertexAngle(QgsVertexId vertex) const override
Returns approximate rotation angle for a vertex.
virtual QgsPointV2 startPoint() const override
Returns the starting point of the curve.
void transform(const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d=QgsCoordinateTransform::ForwardTransform) override
Transforms the geometry using a coordinate transform.
const T & at(int i) const
QDomElement asGML2(QDomDocument &doc, int precision=17, const QString &ns="gml") const override
Returns a GML2 representation of the geometry.
virtual bool insertVertex(QgsVertexId position, const QgsPointV2 &vertex) override
Inserts a vertex into the geometry.
static QStringList wktGetChildBlocks(const QString &wkt, const QString &defaultType="")
Parses a WKT string and returns of list of blocks contained in the WKT.
unsigned char * asWkb(int &binarySize) const override
Returns a WKB representation of the geometry.
virtual bool operator==(const QgsCurveV2 &other) const override
static double closestSegmentFromComponents(T &container, componentType ctype, const QgsPointV2 &pt, QgsPointV2 &segmentPt, QgsVertexId &vertexAfter, bool *leftOf, double epsilon)
virtual QgsRectangle calculateBoundingBox() const override
Default calculator for the minimal bounding box for the geometry.
virtual bool dropZValue()=0
Drops any z-dimensions which exist in the geometry.
void append(const QgsLineStringV2 *line)
Appends the contents of another line string to the end of this line string.
void sumUpArea(double &sum) const override
Calculates the area of the curve.
QDomElement createElementNS(const QString &nsURI, const QString &qName)
static bool hasZ(Type type)
Tests whether a WKB type contains the z-dimension.
virtual QgsCurveV2 * clone() const override=0
Clones the geometry by performing a deep copy.
void addToPainterPath(QPainterPath &path) const override
Adds a curve to a painter path.
static endian_t endian()
Returns whether this machine uses big or little endian.
QString wktTypeStr() const
Returns the WKT type string of the geometry.
virtual int wkbSize() const =0
Returns the size of the WKB representation of the geometry.
QgsCompoundCurveV2 & operator=(const QgsCompoundCurveV2 &curve)
void removeCurve(int i)
Removes a curve from the geometry.
virtual bool addMValue(double mValue=0)=0
Adds a measure to the geometry, initialized to a preset value.
virtual QgsLineStringV2 * curveToLine() const override
Returns a new line string geometry corresponding to a segmentized approximation of the curve...
QgsWKBTypes::Type readHeader() const
bool is3D() const
Returns true if the geometry is 3D and contains a z-value.
void combineExtentWith(QgsRectangle *rect)
expand the rectangle so that covers both the original rectangle and the given rectangle ...
void append(const T &value)
static Type dropZ(Type type)
Drops the z dimension (if present) for a WKB type and returns the new type.
virtual bool operator!=(const QgsCurveV2 &other) const override
static Type addM(Type type)
Adds the m dimension to a WKB type and returns the new type.
virtual QgsCurveV2 * reversed() const =0
Returns a reversed copy of the curve, where the direction of the curve has been flipped.
virtual void clearCache() const override
Clears any cached parameters associated with the geometry, eg bounding boxes.
Utility class for identifying a unique vertex within a geometry.
bool isMeasure() const
Returns true if the geometry contains m values.
void drawAsPolygon(QPainter &p) const override
Draws the curve as a polygon on the specified QPainter.
Line string geometry type, with support for z-dimension and m-values.
virtual bool fromWkb(QgsConstWkbPtr wkb)=0
Sets the geometry from a WKB string.
void draw(QPainter &p) const override
Draws the geometry using the specified QPainter.
virtual QString geometryType() const override
Returns a unique string representing the geometry type.
void addVertex(const QgsPointV2 &pt)
Adds a vertex to the end of the geometry.
Point geometry type, with support for z-dimension and m-values.
QString asJSON(int precision=17) const override
Returns a GeoJSON representation of the geometry.
QgsWKBTypes::Type mWkbType
QString asWkt(int precision=17) const override
Returns a WKT representation of the geometry.
virtual bool fromWkb(QgsConstWkbPtr wkb) override
Sets the geometry from a WKB string.
virtual unsigned char * asWkb(int &binarySize) const =0
Returns a WKB representation of the geometry.
bool endsWith(const QString &s, Qt::CaseSensitivity cs) const
virtual void transform(const QgsCoordinateTransform &ct, QgsCoordinateTransform::TransformDirection d=QgsCoordinateTransform::ForwardTransform)=0
Transforms the geometry using a coordinate transform.
const QgsCurveV2 * curveAt(int i) const
Returns the curve at the specified index.
void setZMTypeFromSubGeometry(const QgsAbstractGeometryV2 *subggeom, QgsWKBTypes::Type baseGeomType)
Updates the geometry type based on whether sub geometries contain z or m values.
virtual bool addZValue(double zValue=0)=0
Adds a z-dimension to the geometry, initialized to a preset value.
virtual bool addMValue(double mValue=0) override
Adds a measure to the geometry, initialized to a preset value.
virtual bool dropZValue() override
Drops any z-dimensions which exist in the geometry.
virtual bool dropMValue() override
Drops any measure values which exist in the geometry.
QString asJSON(int precision=17) const override
Returns a GeoJSON representation of the geometry.
static QDomElement pointsToGML3(const QgsPointSequenceV2 &points, QDomDocument &doc, int precision, const QString &ns, bool is3D)
Returns a gml::posList DOM element.
Compound curve geometry type.
virtual void points(QgsPointSequenceV2 &pts) const override
Returns a list of points within the curve.
virtual QString geometryType() const =0
Returns a unique string representing the geometry type.
virtual double vertexAngle(QgsVertexId vertex) const =0
Returns approximate angle at a vertex.
static Type dropM(Type type)
Drops the m dimension (if present) for a WKB type and returns the new type.
void addCurve(QgsCurveV2 *c)
Adds a curve to the geometr (takes ownership)
void addVertex(const QgsPointV2 &pt)
Adds a new vertex to the end of the line string.
virtual QgsPointV2 endPoint() const =0
Returns the end point of the curve.
QString mid(int position, int n) const
void drawPath(const QPainterPath &path)
virtual bool fromWkt(const QString &wkt) override
Sets the geometry from a WKT string.
virtual QgsCompoundCurveV2 * clone() const override
Clones the geometry by performing a deep copy.
virtual bool isClosed() const
Returns true if the curve is closed.
bool pointAt(int node, QgsPointV2 &point, QgsVertexId::VertexType &type) const override
Returns the point and vertex id of a point within the curve.
int wkbSize() const override
Returns the size of the WKB representation of the geometry.
virtual QString asWkt(int precision=17) const =0
Returns a WKT representation of the geometry.
virtual double closestSegment(const QgsPointV2 &pt, QgsPointV2 &segmentPt, QgsVertexId &vertexAfter, bool *leftOf, double epsilon) const override
Searches for the closest segment of the geometry to a given point.
static Type flatType(Type type)
Returns the flat type for a WKB type.
static Type parseType(const QString &wktStr)
Attempts to extract the WKB type from a WKT string.
double ANALYSIS_EXPORT leftOf(Point3D *thepoint, Point3D *p1, Point3D *p2)
Returns whether 'thepoint' is left or right of the line from 'p1' to 'p2'.
const_iterator constEnd() const
const_iterator constBegin() const
Abstract base class for curved geometry type.
QString arg(qlonglong a, int fieldWidth, int base, const QChar &fillChar) const
virtual int numPoints() const override
Returns the number of points in the curve.
QDomElement asGML3(QDomDocument &doc, int precision=17, const QString &ns="gml") const override
Returns a GML3 representation of the geometry.
virtual double length() const override
Returns the length of the geometry.
virtual void points(QgsPointSequenceV2 &pt) const =0
Returns a list of points within the curve.
int nCurves() const
Returns the number of curves in the geometry.
virtual void clear() override
Clears the geometry, ie reset it to a null geometry.
virtual bool addZValue(double zValue=0) override
Adds a z-dimension to the geometry, initialized to a preset value.
virtual bool moveVertex(QgsVertexId position, const QgsPointV2 &newPos) override
Moves a vertex within the geometry.