Class: QgsRasterAttributeTableModel¶

class qgis.gui.QgsRasterAttributeTableModel¶

Bases: PyQt5.QtCore.QAbstractTableModel

The QgsRasterAttributeTableModel class manages a QgsRasterAttributeTable

New in version 3.30.

QgsRasterAttributeTableModel(rat: QgsRasterAttributeTable, parent: QObject = None) Creates a new QgsRasterAttributeTableModel from raster attribute table rat and optional parent.

Methods

beginInsertColumns

beginInsertRows

beginMoveColumns

beginMoveRows

beginRemoveColumns

beginRemoveRows

beginResetModel

changePersistentIndex

changePersistentIndexList

childEvent

columnCount

param parent:

connectNotify

createIndex

customEvent

data

param index:

decodeData

disconnectNotify

editable

Returns true if the Raster Attribute Table is editable.

encodeData

endInsertColumns

endInsertRows

endMoveColumns

endMoveRows

endRemoveColumns

endRemoveRows

endResetModel

flags

param index:

hasColor

Returns True if the Raster Attribute Table has color information.

hasRamp

Returns True if the Raster Attribute Table has ramp information.

headerData

param section:

headerNames

Returns all the header names, including the "virtual" color header if the Raster Attribute Table has color or ramp.

headerTooltip

Returns the tooltip for the given section.

insertColor

Create RGBA fields and inserts them at position, optionally reporting any error in errorMessage, returns True on success.

insertField

Inserts a field at the given position.

insertRamp

Create RGBA minimum and maximum fields and inserts them at position, optionally reporting any error in errorMessage, returns True on success.

insertRow

Inserts a new row before position, optionally reporting any error in errorMessage, returns True on success.

isDirty

Returns True if the Raster Attribute Table was modified since it was last saved or read.

isSignalConnected

isValid

Checks if the Raster Attribute Table is valid, optionally returns validation errors in errorMessage.

persistentIndexList

receivers

removeColorOrRamp

Removes all color or ramp information, optionally reporting any error in errorMessage, returns True on success.

removeField

Remove the field at given position, optionally reporting any error in errorMessage, returns True on success.

removeRow

Removes the row at position, optionally reporting any error in errorMessage, returns True on success.

resetInternalData

rowCount

param parent:

sender

senderSignalIndex

setData

param index:

setEditable

Sets the Raster Attribute Table editable state to editable.

timerEvent

beginInsertColumns(self, QModelIndex, int, int)¶

beginInsertRows(self, QModelIndex, int, int)¶

beginMoveColumns(self, QModelIndex, int, int, QModelIndex, int) → bool¶

beginMoveRows(self, QModelIndex, int, int, QModelIndex, int) → bool¶

beginRemoveColumns(self, QModelIndex, int, int)¶

beginRemoveRows(self, QModelIndex, int, int)¶

beginResetModel(self)¶

changePersistentIndex(self, QModelIndex, QModelIndex)¶

changePersistentIndexList(self, Iterable[QModelIndex], Iterable[QModelIndex])¶

childEvent(self, QChildEvent)¶

columnCount(self, parent: QModelIndex) → int¶

Parameters:: parent (QModelIndex) –
Return type:: int

connectNotify(self, QMetaMethod)¶

createIndex(self, int, int, object: object = 0) → QModelIndex¶

customEvent(self, QEvent)¶

data(self, index: QModelIndex, role: int) → Any¶

Parameters:

index (QModelIndex) –
role (int) –

Return type:

Any

decodeData(self, int, int, QModelIndex, QDataStream) → bool¶

disconnectNotify(self, QMetaMethod)¶

editable(self) → bool¶

Returns true if the Raster Attribute Table is editable.

Return type:: bool

encodeData(self, Iterable[QModelIndex], QDataStream)¶

endInsertColumns(self)¶

endInsertRows(self)¶

endMoveColumns(self)¶

endMoveRows(self)¶

endRemoveColumns(self)¶

endRemoveRows(self)¶

endResetModel(self)¶

flags(self, index: QModelIndex) → Qt.ItemFlags¶

Parameters:: index (QModelIndex) –
Return type:: Qt.ItemFlags

hasColor(self) → bool¶

Returns True if the Raster Attribute Table has color information.

Return type:: bool

hasRamp(self) → bool¶

Returns True if the Raster Attribute Table has ramp information.

Return type:: bool

headerData(self, section: int, orientation: Qt.Orientation, role: int) → Any¶

Parameters:

section (int) –
orientation (Qt.Orientation) –
role (int) –

Return type:

Any

headerNames(self) → List[str]¶

Returns all the header names, including the “virtual” color header if the Raster Attribute Table has color or ramp.

Return type:: List[str]

headerTooltip(self, section: int) → str¶

Returns the tooltip for the given section.

Parameters:: section (int) –
Return type:: str

insertColor(self, position: int) → Tuple[bool, str]¶

Create RGBA fields and inserts them at position, optionally reporting any error in errorMessage, returns True on success.

Parameters:: position (int) –
Return type:: Tuple[bool, str]

insertField(self, position: int, name: str, usage: Qgis.RasterAttributeTableFieldUsage, type: QVariant.Type) → Tuple[bool, str]¶

Inserts a field at the given position.

Parameters:

name (str) – field name
usage (Qgis.RasterAttributeTableFieldUsage) – field usage
type (QVariant.Type) – field type
position (int) – insertion point (before)

Return type:

Tuple[bool, str]

Returns:

true on success
errorMessage: error message

insertRamp(self, position: int) → Tuple[bool, str]¶

Create RGBA minimum and maximum fields and inserts them at position, optionally reporting any error in errorMessage, returns True on success.

Parameters:: position (int) –
Return type:: Tuple[bool, str]

insertRow(self, position: int, rowData: Iterable[Any]) → Tuple[bool, str]¶

Inserts a new row before position, optionally reporting any error in errorMessage, returns True on success.

Parameters:

position (int) –
rowData (Iterable[Any]) –

Return type:

Tuple[bool, str]

isDirty(self) → bool¶

Returns True if the Raster Attribute Table was modified since it was last saved or read.

Return type:: bool

isSignalConnected(self, QMetaMethod) → bool¶

isValid(self) → Tuple[bool, str]¶

Checks if the Raster Attribute Table is valid, optionally returns validation errors in errorMessage.

Return type:: Tuple[bool, str]

persistentIndexList(self) → List[QModelIndex]¶

receivers(self, PYQT_SIGNAL) → int¶

removeColorOrRamp(self) → Tuple[bool, str]¶

Removes all color or ramp information, optionally reporting any error in errorMessage, returns True on success.

Return type:: Tuple[bool, str]

removeField(self, position: int) → Tuple[bool, str]¶

Remove the field at given position, optionally reporting any error in errorMessage, returns True on success.

Parameters:: position (int) –
Return type:: Tuple[bool, str]

removeRow(self, position: int) → Tuple[bool, str]¶

Removes the row at position, optionally reporting any error in errorMessage, returns True on success.

Parameters:: position (int) –
Return type:: Tuple[bool, str]

resetInternalData(self)¶

rowCount(self, parent: QModelIndex) → int¶

Parameters:: parent (QModelIndex) –
Return type:: int

sender(self) → QObject¶

senderSignalIndex(self) → int¶

setData(self, index: QModelIndex, value: Any, role: int) → bool¶

Parameters:

index (QModelIndex) –
value (Any) –
role (int) –

Return type:

bool

setEditable(self, editable: bool)¶

Sets the Raster Attribute Table editable state to editable.

Parameters:: editable (bool) –

timerEvent(self, QTimerEvent)¶