Fix STRtree queries on empty trees

locationtech / jts

The JTS Topology Suite is a Java library for creating and manipulating vector geometry.

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Closed dr-jts closed 2 years ago

dr-jts commented 2 years ago

Fixes the following STRtree queries on empty trees:

Object nearestNeighbour(Envelope env, Object item, ItemDistance itemDist) - returns null for empty tree
Object[] nearestNeighbour(Envelope env, Object item, ItemDistance itemDist,int k) - returns Object[0] for empty tree

Fixes #881. Fixes #884.

Signed-off-by: Martin Davis mtnclimb@gmail.com

ashr123 commented 2 years ago

@dr-jts can you merge my PRs to your branch and just add the unit test and merge it all together to locationtech:master?

dr-jts commented 2 years ago

dr-jts can you merge my PR to your branch?

No need to, everything is in this PR.

ashr123 commented 2 years ago

dr-jts can you merge my PR to your branch?

No need to, everything is in this PR.

In this way my contribution could have been noticed