Feature Class

Summary: A geographic feature composed of a geometry and user-defined attributes.

Module: aspose.gis

Full Name: aspose.gis.Feature

Aspose.PSD Version: 25.9.0

Properties

Name	Type	Access	Description
geometry	IGeometry	r/w	Gets or sets geometry of the feature. Cannot be , use Geometry.null to indicate missing geometry.

Methods

Name	Description
copy_values(input_feature)	Copies values of attributes from another feature.
get_value(attribute_name)	Gets the value of an attribute.
get_value_or_default(attribute_name, default_value)	Gets the value of an attribute, or FeatureAttribute.default_value if the value is unset or null.
get_values(values, default_value)	Returns the values for all the attributes in an array.
get_values(values_count, default_value)	Returns the values for all the attributes in an array.
get_values_dump(default_value)	Returns the values for all the attributes in an array. Consider to use Aspose.Gis.Feature.GetValues(int,System.Object) method to avoid additional memory allocation.
get_values_list(attribute_name, separator, count)	Gets the values list. Non-generic analog of List T GetValuesList
is_value_null(attribute_name)	Determines whether the specified attribute has been explicitly set to null value.
is_value_set(attribute_name)	Checks if the attribute value is set in this feature.
set_value(attribute_name, value)	Sets the value. Non-generic analog of void SetValue (string attributeName, T value)
set_value_null(attribute_name)	Sets value of the attribute to null.
set_values(values)	Sets new values for all of the attributes. Also consider to use Feature.copy_values(input_feature) method to streamline setting values in one call.
unset_value(attribute_name)	Removes the attribute value from this feature.

Method: copy_values(input_feature)

 copy_values(input_feature) 

Copies values of attributes from another feature.

Parameters:

Parameter	Type	Description
input_feature	Feature	The feature to copy values from.

Method: get_value(attribute_name)

 get_value(attribute_name) 

Gets the value of an attribute.

Parameters:

Parameter	Type	Description
attribute_name	string	Name of the attribute.

Returns

Type	Description
object	Value of the attribute.

Method: get_value_or_default(attribute_name, default_value)

 get_value_or_default(attribute_name, default_value) 

Gets the value of an attribute, or FeatureAttribute.default_value if the value is unset or null.

Parameters:

Parameter	Type	Description
attribute_name	string	Name of the attribute.
default_value	object	The value to return if the attribute value is missing. Default value is .

Returns

Type	Description
object	Value of the attribute.

Method: get_values(values, default_value)

 get_values(values, default_value) 

Returns the values for all the attributes in an array.

Parameters:

Parameter	Type	Description
values	object
default_value	object	The value to return if the attribute value is missing (unset). Default value is . Consider to use ‘.Value’ for separating ‘unset’ and ‘’ values.

Returns

Type	Description
int	A number of attributes copied.

Method: get_values(values_count, default_value)

 get_values(values_count, default_value) 

Returns the values for all the attributes in an array.

Parameters:

Parameter	Type	Description
values_count	int	The values count.
default_value	object	The value to return if the attribute value is missing (unset). Default value is . Consider to use ‘.Value’ for separating ‘unset’ and ‘’ values.

Returns

Type	Description
object	A number of attributes copied.

Method: get_values_dump(default_value)

 get_values_dump(default_value) 

Returns the values for all the attributes in an array.
Consider to use Aspose.Gis.Feature.GetValues(int,System.Object) method to avoid additional memory allocation.

Parameters:

Parameter	Type	Description
default_value	object	The value to return if the attribute value is missing (unset). Default value is . Consider to use ‘.Value’ for separating ‘unset’ and ‘’ values.

Returns

Type	Description
object	A new array into which to copy the attributes values.

Method: get_values_list(attribute_name, separator, count)

 get_values_list(attribute_name, separator, count) 

Gets the values list. Non-generic analog of List T GetValuesList

Parameters:

Parameter	Type	Description
attribute_name	string	Name of the attribute.
separator	string	A string which is used to separate attribute name and index value of sequence.
count	int	Count of values to return (missed value fill as null)

Returns

Type	Description
object	List of values of the attributes which names different by sequence index value.

Method: is_value_null(attribute_name)

 is_value_null(attribute_name) 

Determines whether the specified attribute has been explicitly set to null value.

Parameters:

Parameter	Type	Description
attribute_name	string	Name of the attribute.

Returns

Type	Description
bool	if the attribute value is null; otherwise, .

Method: is_value_set(attribute_name)

 is_value_set(attribute_name) 

Checks if the attribute value is set in this feature.

Parameters:

Parameter	Type	Description
attribute_name	string	Name of the attribute.

Returns

Type	Description
bool	if value for the specified attribute is set; otherwise, .

Method: set_value(attribute_name, value)

 set_value(attribute_name, value) 

Sets the value. Non-generic analog of void SetValue (string attributeName, T value)

Parameters:

Parameter	Type	Description
attribute_name	string	The name of the attribute.
value	object	The value of the attribute.

Method: set_value_null(attribute_name)

 set_value_null(attribute_name) 

Sets value of the attribute to null.

Parameters:

Parameter	Type	Description
attribute_name	string	The name of the attribute.

Method: set_values(values)

 set_values(values) 

Sets new values for all of the attributes.
Also consider to use Feature.copy_values(input_feature) method to streamline setting values in one call.

Parameters:

Parameter	Type	Description
values	object	The array of new values.

Returns

Type	Description
int	The number of attribute values set.

Method: unset_value(attribute_name)

 unset_value(attribute_name) 

Removes the attribute value from this feature.

Parameters:

Parameter	Type	Description
attribute_name	string	Name of the attribute.