api:dk11:python:tatukgis.pdk.tgis_layervector.loop_tgis_extent_string
Table of Contents
TGIS_LayerVector.Loop(TGIS_Extent, str) method
DK11 for Python | tatukgis.pdk.TGIS_LayerVector.Loop | Overloads | Constructors | Methods | Properties | Events
Prepares enumerator (also known as iterator or cursor) to iterate the layer.
Syntax
# Python def Loop( self, _extent: TGIS_Extent, _query: str ) -> TGIS_LayerVectorEnumeratorFactory:
Parameters
| Name | Type | Description |
|---|---|---|
| _extent | TGIS_Extent | extent of items to be found; expected _extent units are in a Layer coordinate space |
| _query | str | query which must be matched by item; closely mimics SQL WHERE clause; for examples you can use 'AGE >= 18'; empty (default) means that no items will match. |
Result
| Type | Description |
|---|---|
| TGIS_LayerVectorEnumeratorFactory | Shape itself or nil. |
References
2023/08/09 01:57