ST_SetNodeID
Sets the ID of a node in an SFMesh object.
Syntax
SFMesh ST_SetNodeID(SFMesh sfmeshObject, integer nodeIndex, integer id);Parameters
| Parameter | Description |
|---|---|
sfmeshObject | The SFMesh object. |
nodeIndex | The zero-based index of the node. |
id | A user-defined integer identifier to associate with the node. Use this to link a node to an external object, such as a record in another table. |
Description
Sets the ID of the node at the specified index to the given integer value. To retrieve a node ID after setting it, call ST_NodeID.
Examples
The following example sets the node at index 0 to ID 100, then reads it back with ST_NodeID to verify the result.
SELECT ST_NodeID(ST_SetNodeID(the_mesh, 0, 100), 0)
FROM t_table;Result:
100What's next
ST_NodeID — retrieves the ID of a node in an SFMesh object