Lin.ear th.inking

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

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

A new capability for the JTS Topology Suite is operations to process Simple Polygonal Coverages .  A Simple Polygon Coverage is a set of ed...

The next operation delivered in the build-out of Simple Polygonal Coverages  in the JTS Topology Suite is Coverage Union . This is simply t...

Recently JTS gained the ability to compute Concave Hulls of point sets.  The algorithm used is based the  Chi-shapes  approach described by...

There is an elegant mathematical theory of binary relations .   Homogeneous relations are an important subclass of binary relations in whic...

The previous post discussed polygonal coverages and outlined the plan to support them in the JTS Topology Suite .  This post presents the ...

An important concept in spatial data modelling is that of a coverage .  A coverage models a two-dimensional region in which every point has...

JTS 1.19 has just been released!  There is a great deal of new, improved and fixed functionality in this release - see the GitHub release pa...

The previous post introduced the new ConcaveHullOfPolygons class in the JTS Topology Suite .  This allows computing a concave hull which ...