geo

3.6.0

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Encodes and decodes WKB, WKT, and GeoJSON formats.

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CHANGELOG.md

# Changelog

## v3.6.0 — 2023-10-19

As of v3.6.0, `geo` (like [`geo_postgis`](https://github.com/felt/geo_postgis)) is being maintained by the Felt team. As a company building a geospatial product on Elixir, with a track record of [supporting open source software](https://felt.com/open-source), we're excited for the future of the project.

### New features

* [Add support for empty point](https://github.com/felt/geo/pull/172) by new contributor @bolek
* [Add support for LineStringZM](https://github.com/felt/geo/pull/171) by new contributor @kanatohodets
* [Support decoding MultiLineStringZ](https://github.com/felt/geo/pull/179) by new contributor @caspg

### Misc. changes

- Fix compile warnings ([#186](https://github.com/felt/geo/pull/186) by @s3cur3)
- Docs improvements ([#177](https://github.com/felt/geo/pull/177) by new contributor @ghecho, [#182](https://github.com/felt/geo/pull/182) by @s3cur3)
- Dependency updates: `ex_doc` ([#185](https://github.com/felt/geo/pull/185)), `jason` ([#183](https://github.com/felt/geo/pull/183)), `stream_data` ([#184](https://github.com/felt/geo/pull/184))

**Full Changelog**: https://github.com/felt/geo/compare/v3.5.1...v3.6.0

## v3.5.1 - 2023-06-07
- Fix
  - [Fix Application.get_env and use Bitwise warnings](https://github.com/felt/geo/pull/180)

## v3.5 - 2023-06-05
- Enhancement
  - [Support null feature geometries](https://github.com/felt/geo/pull/176)


## v3.4.3 - 2021-12-15
- Fix
  - [Handle MultiLineString with empty coordinates](https://github.com/felt/geo/pull/164)
  - [Clarify whether functions in Geo.WKB accept or return base16 or bytes](https://github.com/felt/geo/pull/166)

## v3.4.2 - 2021-04-11

- Fix
  - [Do not accept iodata for decoding](https://github.com/felt/geo/pull/158)

## v3.4.1 - 2021-04-10

- Fix
  - [Update Specs](https://github.com/felt/geo/pull/157)

## v3.4.0 - 2021-04-09

- Add
  - `Geo.WKB.encode_to_iodata`

- Enhancements
  - The implementation of encoding and decoding WKBs has been updated to use iodata instead of binaries, improving overall performance.
  - `Geo.WKB.decode!` and `Geo.WKB.decode` can now take iodata in addition to binary data

## v3.3.8 - 2021-04-02

- Fix
  - [Misc doc changes](https://github.com/felt/geo/pull/153)

## v3.3.7 - 2020-11-20

- Fix
  - [Make Jason optional](https://github.com/felt/geo/pull/149)

## v3.3.6 - 2020-11-05

- Enhancement
  - [Replace Poison with Jason for JSON encoding in tests](https://github.com/felt/geo/pull/141)
  - [Add JSON decoding support for LineStringZ](https://github.com/felt/geo/pull/147)

## v3.3.5 - 2020-08-26

- Fixed
  - Typespec on Point

## v3.3.4 - 2020-08-07

- Fixed
  - [Update typespec to make Point easier to use](https://github.com/felt/geo/pull/140)

## v3.3.3 - 2019-12-13

- Fixed
  - [Add missing MultiPointZ in list of geometry types](https://github.com/felt/geo/pull/122)
  - [Improve docs around Geo.endian type](https://github.com/felt/geo/pull/123)

## v3.3.2 - 2019-08-26

- Fixed
  - Some optimizations based on benchmarking

## v3.3.1 - 2019-08-26

- Fixed
  - Bugs found while property testing

## v3.3.0 - 2019-08-20

- Added
  - [Updated Type Specs](https://github.com/felt/geo/pull/116)
  - [Allow to disable String.Chars implementation for Geo objects](https://github.com/felt/geo/pull/110)

## v3.2.0 - 2019-07-23

- Added
  - [3D versions of the various datatypes](https://github.com/felt/geo/pull/111)

## v3.1.0 - 2019-02-08

- Fixed
  - [Optimise reverse_byte_order/1](https://github.com/felt/geo/pull/107)

- Added
  - [Support WKB empty multipolygons](https://github.com/felt/geo/pull/100)
  - [Add PointZ support to Geo.Json](https://github.com/felt/geo/pull/99)

## v3.0.0 - 2018-04-14

- Add

  - `Geo.WKT.encode!`
  - `Geo.WKT.decode!`
  - `Geo.WKB.encode!`
  - `Geo.WKB.decode!`
  - `Geo.JSON.encode!`
  - `Geo.JSON.decode!`

- Enhancement

  - Geometry struct now have a `properties` field. This is used to convert GeoJSON properties

- Breaking

  - `Geo.WKT.encode` now returns either `{:ok, binary}` or `{:error, exception}`
  - `Geo.WKT.decode` now returns either `{:ok, geometry}` or `{:error, exception}`
  - `Geo.WKB.encode` now returns either `{:ok, binary}` or `{:error, exception}`
  - `Geo.WKB.decode` now returns either `{:ok, geometry}` or `{:error, exception}`
  - `Geo.JSON.encode` now returns either `{:ok, map}` or `{:error, exception}`
  - `Geo.JSON.decode` now returns either `{:ok, geom}` or `{:error, exception}`
  - All Ecto.Type behaviour implementations were removed. This may not effect too many people, but it was moved to the [geo_postgis](https://github.com/felt/geo_postgis) package

## v2.1.0 - 2018-01-28

- Fix
  - Make stricter patterns for casts functions so that error pattern is used when types are wrong
  - [Change handling of EPSG/SRID to match standard](https://github.com/felt/geo/pull/79)
  - [Fix String.strip() deprecations in Elixir 1.5+](https://github.com/felt/geo/pull/78)

## v2.0.0 - 2017-07-15

- Breaking
  - Split out PostGIS functionality into its own library, [geo_postgis](https://github.com/felt/geo_postgis)

## v1.5.0 - 2017-06-10

- Enhancement
  - [Add `st_distancesphere/2`](https://github.com/felt/geo/pull/69)

## v1.4.1 - 2017-02-17

- Fixes
  - [Updated ecto related documentation on Geo module](https://github.com/felt/geo/pull/66)

## v1.4.0 - 2017-02-17

- Enhancements
  - [Add `st_dwithin_in_meters\3`](https://github.com/felt/geo/pull/64)
  - [Make sure an srid of 0 does not show srid in WKT](https://github.com/felt/geo/pull/63)
  - [Add types PointZ, PointM and PointZM](https://github.com/felt/geo/pull/56)

## v1.3.1 - 2016-12-24

- Enhancements
  - Relax Poison dependency requirement

## v1.3.0 - 2016-12-19

- Enhancements

  - [Support new Postgrex 0.13 Extension API](https://github.com/felt/geo/pull/53)

- Breaking
  - Now only supports Postgrex 0.13+
  - Now only supports Ecto 2.1+

## v1.2.1 - 2016-11-04

- Enhancements
  - [add st_transform](https://github.com/felt/geo/pull/51)

## v1.2.0 - 2016-10-26

- Enhancements
  - [add st_distance_sphere](https://github.com/felt/geo/pull/49)

## v1.1.2 - 2016-09-14

- Bug Fixes
  - WKBs that are GeometryCollections with one element should now properly decode

## v1.1.1 - 2016-07-19

- Enhancements
  - Added `Geo.JSON.EncodeError` and `Geo.JSON.DecodeError` thrown whenever `Geo.JSON.encode` or `Geo.JSON.decode` are given invalid data

## v1.1.0 - 2016-07-09

- Enhancements
  - Add Geo.Geometry custom Ecto type to allow multiple geometries in a single field

## v1.0.6 - 2016-06-26

- Enhancements
  - Fixed warnings that appeared in Elixir 1.3

## v1.0.5 - 2016-06-22

- Enhancements
  - Update to allow use with Ecto 2.0

## v1.0.4 - 2016-05-23

- Enhancements
  - Ecto.Type: matching on geojson properties so that Ecto.DataType can be used by users

## v1.0.3 - 2016-05-14

- Enhancements
  - Updated dependencies to allow for using ecto 2.0 release candidate versions

## v1.0.2 - 2016-04-03

- Enhancements
  - Updated dependencies to allow for using ecto 2.0 beta versions

## v1.0.1 - 2016-01-31

- Enhancements
  - Updated Postgrex and Poison optional dependencies

## v1.0.0 - 2015-11-29

## v0.18.0 - 2015-11-11

- Enhancements
  - Made Postgrex, Ecto, and Poison optional dependencies

## v0.17.0 - 2015-10-13

- Breaking
  - Geo.JSON.encode and Geo.JSON.decode now do not do any JSON parsing at all and
    instead work on a map representation of GeoJSON. All JSON encoding and decoding
    must be done before or after calling those functions.

## v0.16.1 - 2015-08-27

- Enhancements
  - Made Postgrex a required dependency

## v0.16.0 - 2015-08-27

- Enhancements
  - Updated to Ecto 1.0

## v0.15.2 - 2015-08-10

- Enhancements
  - Added an `opts` parameter to `Geo.JSON.encode` to allow for skipping JSON encoding

## v0.15.1 - 2015-07-27

- Enhancements
  - Fixed st_dwithin macro

## v0.15.0 - 2015-07-24

- Enhancements
  - Updated cast function on structs to handle maps and strings
  - Now reading the srid from geo json

## v0.14.0 - 2015-07-19

- Enhancements
  - Basic Support for Geography datatype

## v0.13.0 - 2015-06-08

- Enhancements

  - Added PostGIS function macros for use in Ecto Queries. Currently only the OpenGIS ones

- Breaking
  - `Geo.PostGIS` is now `Geo.PostGIS.Extension`
  - Changed from Jazz to Poison for JSON encoding and decoding

## v0.12.0 - 2015-03-08

- Enhancements
  - Geo.PostGIS is now a Postgrex Extension
  - Updated to work with latest version of Ecto

## v0.11.2 - 2015-02-13

- Bug fixes
  - Correctly decoding WKB strings that caused invalid geometries to be produced when there is one element in a multi geometry

## v0.11.1 - 2015-02-12

- Bug fixes
  - Fixed bug when decoding multi geometry wkb with one geometry inside would cause a crash

## v0.11.0 - 2015-02-03

- Enhancements

  - Created structs for the supported geospatial types (Point, LineString, Polygon, MultiPoint, MultiLineString, MultiPolygon, GeometryCollection)
  - GeoJson module will encode the srid as a crs property if an srid exists

- Backwards incompatible changes
  - Removed the Geometry struct. Use one of the geometry type structs instead
  - The base coordinate pairs are now tuples ({0,0} instead of [0,0])

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