ST_SetNodeID
Returns an SFMesh object with the node at the specified index assigned a new integer ID.
Syntax
SFMesh ST_SetNodeID(SFMesh sfmeshObject, integer nodeIndex, integer id);Parameters
| Parameter | Description |
|---|---|
sfmeshObject | The SFMesh object to modify. |
nodeIndex | The zero-based index of the node. |
id | The ID of the specified node. The value can be set to the ID of the object that is associated with the node. |
Return value
Returns the modified SFMesh object with the node ID updated. To read back the ID after setting it, call ST_NodeID.
Example
The following example sets the ID of the node at index 0 to 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;
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100What's next
ST_NodeID — retrieves the ID of a node in an SFMesh object