Lin.ear th.inking

Because the shortest distance between two thoughts is a straight line

Tuesday, 3 March 2026

Fast Hausdorff Distance and isFullyWithinDistance in JTS

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My previous blog post reviewed the concept of the Hausdorff distance  (which more descriptively could be called farthest distance .) Despit...
2 comments:
Monday, 23 February 2026

The Hausdorff Distance Challenge

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The  Hausdorff Distance is a useful spatial function which can appear slightly mysterious. Partly this is due to the name.  It honours  Fel...
Tuesday, 8 July 2025

Fast detection of narrow polygons with JTS

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Some spatial use cases require identifying "narrow" or "skinny" polygons.  A classic example is the process of cleaning ...
Wednesday, 30 April 2025

Coverage Cleaning in JTS

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The JTS Topology Suite has been rolling out the capability to manage  polygonal coverages .  It supports modelling polygonal coverages as a...
1 comment:
Monday, 27 May 2024

RelateNG Performance

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A previous post introduced a new algorithm in the JTS Topology Suite called RelateNG .  It computes topological relationships between geome...
Thursday, 16 May 2024

JTS Topological Relationships - the Next Generation

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The most fundamental and widely-used operations in the JTS Topology Suite are the ones that evaluate topological relationships between geo...
2 comments:
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Dr JTS
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