ShapeFileHelper Class Reference

Routines for loading polygons or polylines from KML or SHP files. More...

#include <ShapeFileHelper.h>

Inheritance diagram for ShapeFileHelper:

Collaboration diagram for ShapeFileHelper:

Public Types
enum class	ShapeType { Polygon , Polyline , Point , Error }

Static Public Member Functions
static QStringList	fileDialogKMLFilters ()
static QStringList	fileDialogKMLOrSHPFilters ()
static ShapeType	determineShapeType (const QString &file, QString &errorString)
static int	getEntityCount (const QString &file, QString &errorString)
	Get the number of geometry entities in the file.
static bool	loadPolygonsFromFile (const QString &file, QList< QList< QGeoCoordinate > > &polygons, QString &errorString, double filterMeters=kDefaultVertexFilterMeters)
static bool	loadPolylinesFromFile (const QString &file, QList< QList< QGeoCoordinate > > &polylines, QString &errorString, double filterMeters=kDefaultVertexFilterMeters)
static bool	loadPointsFromFile (const QString &file, QList< QGeoCoordinate > &points, QString &errorString)
	Load point entities.

Static Public Attributes
static constexpr double	kDefaultVertexFilterMeters = 5.0
	Default distance threshold for filtering nearby vertices (meters)
static constexpr const char *	kmlFileExtension = ".kml"
static constexpr const char *	shpFileExtension = ".shp"

Detailed Description

Routines for loading polygons or polylines from KML or SHP files.

Definition at line 10 of file ShapeFileHelper.h.

Member Enumeration Documentation

ShapeType

enum class ShapeFileHelper::ShapeType

strong

Enumerator
Polygon
Polyline
Point
Error

Definition at line 22 of file ShapeFileHelper.h.

Member Function Documentation

determineShapeType()

ShapeFileHelper::ShapeType ShapeFileHelper::determineShapeType ( const QString &  file, QString &  errorString  )

static

Definition at line 30 of file ShapeFileHelper.cc.

References KMLHelper::determineShapeType(), SHPFileHelper::determineShapeType(), Error, and errorString.

fileDialogKMLFilters()

QStringList ShapeFileHelper::fileDialogKMLFilters ( )

static

< File filter list for load/save KML file dialogs File filter list for load/save shape file dialogs

Definition at line 108 of file ShapeFileHelper.cc.

References kmlFileExtension.

fileDialogKMLOrSHPFilters()

QStringList ShapeFileHelper::fileDialogKMLOrSHPFilters ( )

static

Definition at line 114 of file ShapeFileHelper.cc.

References kmlFileExtension, and shpFileExtension.

getEntityCount()

int ShapeFileHelper::getEntityCount ( const QString &  file, QString &  errorString  )

static

Get the number of geometry entities in the file.

Definition at line 45 of file ShapeFileHelper.cc.

References errorString, KMLHelper::getEntityCount(), and SHPFileHelper::getEntityCount().

loadPointsFromFile()

bool ShapeFileHelper::loadPointsFromFile ( const QString &  file, QList< QGeoCoordinate > &  points, QString &  errorString  )

static

Load point entities.

Definition at line 92 of file ShapeFileHelper.cc.

References errorString, KMLHelper::loadPointsFromFile(), and SHPFileHelper::loadPointsFromFile().

loadPolygonsFromFile()

bool ShapeFileHelper::loadPolygonsFromFile ( const QString &  file, QList< QList< QGeoCoordinate > > &  polygons, QString &  errorString, double  filterMeters = kDefaultVertexFilterMeters  )

static

Load all polygon entities

Parameters

filterMeters

Filter vertices closer than this distance (0 to disable)

Definition at line 60 of file ShapeFileHelper.cc.

References errorString, KMLHelper::loadPolygonsFromFile(), and SHPFileHelper::loadPolygonsFromFile().

Referenced by QGCMapPolygon::loadKMLOrSHPFile().

loadPolylinesFromFile()

bool ShapeFileHelper::loadPolylinesFromFile ( const QString &  file, QList< QList< QGeoCoordinate > > &  polylines, QString &  errorString, double  filterMeters = kDefaultVertexFilterMeters  )

static

Load all polyline entities

Parameters

filterMeters

Filter vertices closer than this distance (0 to disable)

Definition at line 76 of file ShapeFileHelper.cc.

References errorString, KMLHelper::loadPolylinesFromFile(), and SHPFileHelper::loadPolylinesFromFile().

Referenced by QGCMapPolyline::loadKMLOrSHPFile().

Member Data Documentation

kDefaultVertexFilterMeters

constexpr double ShapeFileHelper::kDefaultVertexFilterMeters = 5.0

staticconstexpr

Default distance threshold for filtering nearby vertices (meters)

Definition at line 30 of file ShapeFileHelper.h.

kmlFileExtension

constexpr const char* ShapeFileHelper::kmlFileExtension = ".kml"

staticconstexpr

Definition at line 50 of file ShapeFileHelper.h.

Referenced by fileDialogKMLFilters(), and fileDialogKMLOrSHPFilters().

shpFileExtension

constexpr const char* ShapeFileHelper::shpFileExtension = ".shp"

staticconstexpr

Definition at line 51 of file ShapeFileHelper.h.

Referenced by fileDialogKMLOrSHPFilters().

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The documentation for this class was generated from the following files:

• src/Utilities/Geo/Formats/ShapeFileHelper.h
• src/Utilities/Geo/Formats/ShapeFileHelper.cc