locationtech / locationtech/jts

GeoJsonReader does not have support for reading geojson with measures

Open
#1,047 0 comments 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
Java
Stars
2.2k
Forks
475
Avg merge
14d 10h
Merged PRs (30d)
1

Description

Reading geojson with coordinates of dimension 4 does not preserve the measure ordinate.

GeoJsonReader uses the default CoordinateArraySequence() constructor, which sets dimension = 3 and measures = 0.

The same goes for GeoJsonWriter.
It would be nice if support for measures could be added...

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 with GeoJsonReader and GeoJsonWriter, then inspect how their use of the default CoordinateArraySequence() constructor sets dimension and measures. Done means reading and writing GeoJSON coordinates of dimension 4 preserves the measure ordinate.

Written by the indexing model from the issue text.

Assessment

Tech stack
java
Domain
data
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.