`building_blocks.point.start.index`

Syntax

- i = building_blocks.point.start.index(p)
Get the index of this point on the first edge in the list of edges connected to this point.

Returns: i - start edge index. Arguments: pp - point) pointer. This function and related functions (

`building_blocks.point.start.edge`

,`building_blocks.edge.next.edge`

,`building_blocks.edge.next.index`

) can be used together to loop through the edges connected to a point.

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