locationtech / locationtech/spatial4j

JTS polygons that pole wrap

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enhancement InternIdea
Dominant language
Java
Stars
961
Forks
172
PR merge metrics
No merged PRs in 30d

Description

It should be possible to take polygons that wrap a pole and process the points so that JTS is happy with it and that it covers the same area. We've got dateline support coordinate pre-processing already.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reviewing the existing dateline coordinate pre-processing and how JTS handles polygon coordinates. Define the expected behavior for polygons that wrap a pole, including preserving their covered area, then verify that JTS accepts the processed points.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
backend
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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