Dataset Class

Summary: A dataset is the collection of VectorLayer instances.

Module: aspose.gis

Full Name: aspose.gis.Dataset

Aspose.PSD Version: 25.9.0

Properties

Name	Type	Access	Description
can_create_layers	bool	r	Gets a value indicating whether this dataset can create vector layers.
can_remove_layers	bool	r	Gets a value indicating whether this dataset can remove vector layers.
driver	Driver	r	Gets the Dataset.driver that instantiated this dataset.
layers_count	int	r	Gets the number of layers in this dataset.

Methods

Name	Description
create(path, driver)	Creates a dataset.
create(path, driver)	Creates a dataset.
create(path, driver, options)	Creates a dataset.
create(path, driver, options)	Creates a dataset.
create_layer()	Creates a new vector layer and opens it for appending.
create_layer(name, options, spatial_reference_system)	Creates a new vector layer with specified name and opens it for appending.
create_layer(name, spatial_reference_system)	Creates a new vector layer with specified name and opens it for appending.
create_layer(options, spatial_reference_system)	Creates a new vector layer and opens it for appending.
create_layer(spatial_reference_system)	Creates a new vector layer and opens it for appending.
edit_layer(name, options, spatial_reference_system)	Opens the layer with specified name for editing.
edit_layer_at(index, options, spatial_reference_system)	Opens the layer with specified name for editing.
get_layer_name(index)	Gets the name of the layer at specified index.
has_layer_with_name(name)	Check has current dataset a layer with specific name
open(path, driver)	Opens the dataset.
open(path, driver)	Opens the dataset.
open(path, driver, options)	Opens the dataset.
open(path, driver, options)	Opens the dataset.
open_layer(name, options)	Opens the layer with specified name for reading.
open_layer_at(index, options)	Opens the layer at specified index for reading.
remove_layer(name)	Removes the vector layer with specified name.
remove_layer_at(index)	Removes the vector layer at specified index.
rename_layer(current_name, new_name)	Rename layer in dataset

Method: create(path, driver) [static]

 create(path, driver) 

Creates a dataset.

Parameters:

Parameter	Type	Description
path	string	Path to the dataset.
driver	FileDriver	Driver to use.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: create(path, driver) [static]

 create(path, driver) 

Creates a dataset.

Parameters:

Parameter	Type	Description
path	AbstractPath	Path to the dataset.
driver	FileDriver	Driver to use.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: create(path, driver, options) [static]

 create(path, driver, options) 

Creates a dataset.

Parameters:

Parameter	Type	Description
path	string	Path to the dataset.
driver	FileDriver	Driver to use.
options	DriverOptions	Driver-specific options.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: create(path, driver, options) [static]

 create(path, driver, options) 

Creates a dataset.

Parameters:

Parameter	Type	Description
path	AbstractPath	Path to the dataset.
driver	FileDriver	Driver to use.
options	DriverOptions	Driver-specific options.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: create_layer()

 create_layer() 

Creates a new vector layer and opens it for appending.

Returns

Type	Description
VectorLayer	A VectorLayer opened for writing.

Method: create_layer(name, options, spatial_reference_system)

 create_layer(name, options, spatial_reference_system) 

Creates a new vector layer with specified name and opens it for appending.

Parameters:

Parameter	Type	Description
name	string	Name of the layer.
options	DriverOptions	Open options.
spatial_reference_system	SpatialReferenceSystem	Spatial reference system of the new layer.

Returns

Type	Description
VectorLayer	A VectorLayer opened for writing.

Method: create_layer(name, spatial_reference_system)

 create_layer(name, spatial_reference_system) 

Creates a new vector layer with specified name and opens it for appending.

Parameters:

Parameter	Type	Description
name	string	Name of the layer.
spatial_reference_system	SpatialReferenceSystem	Spatial reference system of the new layer.

Returns

Type	Description
VectorLayer	A VectorLayer opened for writing.

Method: create_layer(options, spatial_reference_system)

 create_layer(options, spatial_reference_system) 

Creates a new vector layer and opens it for appending.

Parameters:

Parameter	Type	Description
options	DriverOptions	Open options.
spatial_reference_system	SpatialReferenceSystem	Spatial reference system of the new layer.

Returns

Type	Description
VectorLayer	A VectorLayer opened for writing.

Method: create_layer(spatial_reference_system)

 create_layer(spatial_reference_system) 

Creates a new vector layer and opens it for appending.

Parameters:

Parameter	Type	Description
spatial_reference_system	SpatialReferenceSystem	Spatial reference system of the new layer.

Returns

Type	Description
VectorLayer	A VectorLayer opened for writing.

Method: edit_layer(name, options, spatial_reference_system)

 edit_layer(name, options, spatial_reference_system) 

Opens the layer with specified name for editing.

Parameters:

Parameter	Type	Description
name	string	Name of the layer to edit.
options	DriverOptions	Open options.
spatial_reference_system	SpatialReferenceSystem	Spatial reference system for new geometries.

Returns

Type	Description
VectorLayer	The layer opened for editing.

Method: edit_layer_at(index, options, spatial_reference_system)

 edit_layer_at(index, options, spatial_reference_system) 

Opens the layer with specified name for editing.

Parameters:

Parameter	Type	Description
index	int	Index of the layer to edit.
options	DriverOptions	Open options.
spatial_reference_system	SpatialReferenceSystem	Spatial reference system for new geometries.

Returns

Type	Description
VectorLayer	The layer opened for editing.

Method: get_layer_name(index)

 get_layer_name(index) 

Gets the name of the layer at specified index.

Parameters:

Parameter	Type	Description
index	int	Index of the layer.

Returns

Type	Description
string	Name of the layer.

Method: has_layer_with_name(name)

 has_layer_with_name(name) 

Check has current dataset a layer with specific name

Parameters:

Parameter	Type	Description
name	string	Name of the layer

Returns

Type	Description
bool	, if dataset has layer with this name; otherwise,

Method: open(path, driver) [static]

 open(path, driver) 

Opens the dataset.

Parameters:

Parameter	Type	Description
path	string	Path to the dataset.
driver	FileDriver	Driver to use.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: open(path, driver) [static]

 open(path, driver) 

Opens the dataset.

Parameters:

Parameter	Type	Description
path	AbstractPath	Path to the dataset.
driver	FileDriver	Driver to use.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: open(path, driver, options) [static]

 open(path, driver, options) 

Opens the dataset.

Parameters:

Parameter	Type	Description
path	string	Path to the dataset.
driver	FileDriver	Driver to use.
options	DriverOptions	Driver-specific options.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: open(path, driver, options) [static]

 open(path, driver, options) 

Opens the dataset.

Parameters:

Parameter	Type	Description
path	AbstractPath	Path to the dataset.
driver	FileDriver	Driver to use.
options	DriverOptions	Driver-specific options.

Returns

Type	Description
Dataset	An instance of Dataset.

Method: open_layer(name, options)

 open_layer(name, options) 

Opens the layer with specified name for reading.

Parameters:

Parameter	Type	Description
name	string	Name of the layer to open.
options	DriverOptions	Open options.

Returns

Type	Description
VectorLayer	The layer opened for reading.

Method: open_layer_at(index, options)

 open_layer_at(index, options) 

Opens the layer at specified index for reading.

Parameters:

Parameter	Type	Description
index	int	Index of the layer to open.
options	DriverOptions	Open options.

Returns

Type	Description
VectorLayer	The layer opened for reading.

Method: remove_layer(name)

 remove_layer(name) 

Removes the vector layer with specified name.

Parameters:

Parameter	Type	Description
name	string	Name of the layer

Method: remove_layer_at(index)

 remove_layer_at(index) 

Removes the vector layer at specified index.

Parameters:

Parameter	Type	Description
index	int	Index of the layer

Method: rename_layer(current_name, new_name)

 rename_layer(current_name, new_name) 

Rename layer in dataset

Parameters:

Parameter	Type	Description
current_name	string	Current name of the layer
new_name	string	New name for the layer