first

DbNodes.first(inod=0)

Return the number of the first node.

This starts at inod, defaults to the first node in the model.

Parameters
inodint, optional

The first node number to consider as the “first node”.

Returns
int

The first node number within either selected or all nodes.

Examples

Return the first selected node.

>>> nodes.first()
1

Return the first node after node 10.

>>> nodes.first(inod=10)
11