QGIS API Documentation 3.34.0-Prizren (ffbdd678812)
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Public Types | Public Member Functions | List of all members
QgsCoordinateReferenceSystemModel Class Reference

A tree model for display of known coordinate reference systems. More...

#include <qgscoordinatereferencesystemmodel.h>

Inheritance diagram for QgsCoordinateReferenceSystemModel:
Inheritance graph
[legend]

Public Types

enum  Roles {
  RoleNodeType = Qt::UserRole , RoleName = Qt::UserRole + 1 , RoleAuthId = Qt::UserRole + 2 , RoleDeprecated = Qt::UserRole + 3 ,
  RoleType = Qt::UserRole + 4 , RoleGroupId = Qt::UserRole + 5 , RoleWkt = Qt::UserRole + 6 , RoleProj = Qt::UserRole + 7
}
 Custom roles used by the model. More...
 

Public Member Functions

 QgsCoordinateReferenceSystemModel (QObject *parent=nullptr)
 Constructor for QgsCoordinateReferenceSystemModel, with the specified parent object.
 
QModelIndex addCustomCrs (const QgsCoordinateReferenceSystem &crs)
 Adds a custom crs to the model.
 
QModelIndex authIdToIndex (const QString &authId) const
 Retrieves the model index corresponding to a CRS with the specified authId.
 
int columnCount (const QModelIndex &=QModelIndex()) const override
 
QVariant data (const QModelIndex &index, int role) const override
 
Qt::ItemFlags flags (const QModelIndex &index) const override
 
QVariant headerData (int section, Qt::Orientation orientation, int role) const override
 
QModelIndex index (int row, int column, const QModelIndex &parent=QModelIndex()) const override
 
QModelIndex parent (const QModelIndex &index) const override
 
int rowCount (const QModelIndex &parent=QModelIndex()) const override
 

Detailed Description

A tree model for display of known coordinate reference systems.

Since
QGIS 3.34

Definition at line 224 of file qgscoordinatereferencesystemmodel.h.

Member Enumeration Documentation

◆ Roles

Custom roles used by the model.

Enumerator
RoleNodeType 

Corresponds to the node's type.

RoleName 

The coordinate reference system name.

RoleAuthId 

The coordinate reference system authority name and id.

RoleDeprecated 

true if the CRS is deprecated

RoleType 

The coordinate reference system type.

RoleGroupId 

The node ID (for group nodes)

RoleWkt 

The coordinate reference system's WKT representation. This is only used for non-standard CRS (i.e. those not present in the database).

RoleProj 

The coordinate reference system's PROJ representation. This is only used for non-standard CRS (i.e. those not present in the database).

Definition at line 231 of file qgscoordinatereferencesystemmodel.h.

Constructor & Destructor Documentation

◆ QgsCoordinateReferenceSystemModel()

QgsCoordinateReferenceSystemModel::QgsCoordinateReferenceSystemModel ( QObject *  parent = nullptr)

Constructor for QgsCoordinateReferenceSystemModel, with the specified parent object.

Definition at line 23 of file qgscoordinatereferencesystemmodel.cpp.

Member Function Documentation

◆ addCustomCrs()

QModelIndex QgsCoordinateReferenceSystemModel::addCustomCrs ( const QgsCoordinateReferenceSystem crs)

Adds a custom crs to the model.

This method can be used to add CRS which aren't present in either the standard PROJ SRS database or the user's custom CRS database to the model.

Definition at line 460 of file qgscoordinatereferencesystemmodel.cpp.

◆ authIdToIndex()

QModelIndex QgsCoordinateReferenceSystemModel::authIdToIndex ( const QString &  authId) const

Retrieves the model index corresponding to a CRS with the specified authId.

Returns an invalid index if the CRS was not found.

Definition at line 236 of file qgscoordinatereferencesystemmodel.cpp.

◆ columnCount()

int QgsCoordinateReferenceSystemModel::columnCount ( const QModelIndex &  = QModelIndex()) const
override

Definition at line 203 of file qgscoordinatereferencesystemmodel.cpp.

◆ data()

QVariant QgsCoordinateReferenceSystemModel::data ( const QModelIndex &  index,
int  role 
) const
override

Definition at line 57 of file qgscoordinatereferencesystemmodel.cpp.

◆ flags()

Qt::ItemFlags QgsCoordinateReferenceSystemModel::flags ( const QModelIndex &  index) const
override

Definition at line 36 of file qgscoordinatereferencesystemmodel.cpp.

◆ headerData()

QVariant QgsCoordinateReferenceSystemModel::headerData ( int  section,
Qt::Orientation  orientation,
int  role 
) const
override

Definition at line 169 of file qgscoordinatereferencesystemmodel.cpp.

◆ index()

QModelIndex QgsCoordinateReferenceSystemModel::index ( int  row,
int  column,
const QModelIndex &  parent = QModelIndex() 
) const
override

Definition at line 208 of file qgscoordinatereferencesystemmodel.cpp.

◆ parent()

QModelIndex QgsCoordinateReferenceSystemModel::parent ( const QModelIndex &  index) const
override

Definition at line 220 of file qgscoordinatereferencesystemmodel.cpp.

◆ rowCount()

int QgsCoordinateReferenceSystemModel::rowCount ( const QModelIndex &  parent = QModelIndex()) const
override

Definition at line 194 of file qgscoordinatereferencesystemmodel.cpp.


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