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Applying and Extending Oracle Spatial by Siva Ravada, Simon Gerard Greener

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Splitting linestring geometries – ST_Split

Building on from this road centerline example, imagine a situation where the newly created centerline has to be split, so that a new driveway can be constructed to service the buildings that are in front of the street it describes. In the following figure the dotted line is the proposed driveway:

Splitting linestring geometries – ST_Split

To split the new road centerline at the intersection point, a new member function that allows us to split an existing (multi) linestring using a single point needs to be constructed. The algorithm does not require the point to actually fall exactly on the line, rather it can be nearby (though the algorithm will ...

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