geocore 0.10.1

Geospatial data structures (points, geometry, features, meta) and parsers (GeoJSON, WKT) for Dart.

0.10.1

🛠 Maintenance:

• The SDK constraint updated from '>=2.17.0 <3.0.0' to '>=2.17.0 <4.0.0'.

Note: The geocore package uses version 0.3.x of the geobase package (not compatible with geobase 0.4.x and later).

0.10.0

Note: After the geocore version 0.10.0 (published at 2022-08-21), no new features are currently planned on this package.

⚠️ Breaking changes:

• Content interfaces, content encoders and text formats redesigned
• Type changes on projections and adapters #151
• Move "basic transforms" from geobase to geocore #152

🧩 Features:

• Add WKB encoding/decoding support #115

🛠 Maintenance:

• Lint rules without old strong mode, but with new "stricter type checks" #148
• Mark internal classes with @internal #149

0.9.0

Updated with latest geobase version 0.2.1 (also re-exports some portions of it) based on Dart SDK 2.17.

⚠️ Breaking changes:

• Removed previously deprecated classes and members

🧩 Features:

• Export key classes of geobase also from geocore #108

🛠 Maintenance:

• Upgrade to Dart 2.17 #105
• Apply very_good_analysis 3.0.0+ lint rules #104
• Library dependencies should not be too restrictive #111

0.8.1

Small fix with latest dependency to geobase version 0.1.1.

0.8.0

Major and breaking changes compared to version 0.7.2.

Some classes generalized and moved to the geobase package, that is depended on.

After changes key features of this geocore package:

• 🚀 geospatial data structures (geometry, features and metadata)
• 🌐 geographic coordinates (longitude-latitude)
• 🗺️ projected coordinates (cartesian XYZ)
• 🔷 geometry primitives (bounds or bbox, point, line string, polygon)
• 🧩 multi geometries (multi point, multi line string, multi polygon, geometry collections)
• ⭐ feature objects (with id, properties and geometry) and feature collections
• 🌎 GeoJSON data parser
• 🪧 WKT (Well-known text representation of geometry) data parser

⚠️ Breaking changes:

• Refactor Feature class inheritance and types of id and properties members #39
• Define more specific return type on newWith and newFrom methods of Point sub classes #41
• Populate results by default when intersecting with bounds on point and bounded series #42
• Define consistent mini library exports with base classes included #31
• Move temporal classes to "base" mini-library #69
• Generalize and move project and transform from geocore to geobase #95
• Intersects bounds generalized on geobase #97

🧩 Features:

• Add copyWith method to Point classes #43
• Initial support and abstractions for Coordinate transformations on core classes and reading datasource #15
• Test point equality in 2D or 3D by tolerance in Point class #47
• Check if point series is closed by tolerance #48
• Add CartesianPoint to the Point-class hierarchy #54
• Coordinate conversion between WGS84 (lon-lat) and Web Mercator projection (meters)
• Add simpler constructors on geometry classes expecting bounded or point series #59
• Add projection support provided by the proj4dart package #60
• Common base class or interface for temporal Instant and Interval classes #70
• Add support for empty geometries other than Point and abstract Geometry #35

🛠 Refactoring:

• Refactor coordinate value members of immutable Point classes #44
• Elev and m coordinate values as default in some GeoPoint classes #45
• Rename point factories of Point classes #49
• Separate some common features of geocore to separate common package #86
• Remove "empty point" concept #85
• Simplify Feature and FeatureCollection classes #88
• Simplify temporal classes (Instant, Interval) and add equality and hashCode impls #93
• Equality and hashcodes on Point and other Geometry classes #12

🛠 Maintenance:

• Upgrade to Dart 2.15 #90

📚 Documentation:

• Readme documentation updates for 0.8.0 release #63
• Document coordinate ordering of Point class #64
• Update copyright clauses (years 2020-2022) and licenses #66

0.7.2

• Apply very_good_analysis 2.4.0+ lint rules #36
• Enhance methods of Point returning coordinate values as String #37
• Add fromText and toText serialization to Point classes #38

0.7.1

• BETA version 0.7.1
• Apply very_good_analysis 2.3.0+ lint rules #33
• WKT parser - add support for parsing GEOMETRYCOLLECTION #24

0.7.0

• BETA version 0.7.0 with minor breaking changes
• Use Map<String, Object?> instead of Map<String, dynamic> as properties
  • Factory: Feature.view()
  • Function typedef: CreateFeature
• updated dependency 0.7.1 on attributes
  • required changes visible in Feature class and GeoJSON factories
• Official Dart lint rules applied with recommend set #32

0.6.2

• BETA version 0.6.2 with documentation updates
• Documentation updates with explaining features, geometries and other classes #25
• Factory and other fixes on Bounds, GeometryCollection, Instant etc. #26

0.6.1

• BETA version 0.6.1 with partial support for Well-known text representation of geometry or WKT
• Also easier to use factories for points, line strings, polygons, etc.
  • Make geometries from arrays of num values.
  • Parse geometries from text with default implementation based on WKT.
    • Other text encodings can be implemented using custom parsers.
• Initial WKT support
• Easier constructor to make point and other geometry instances.
• Some other minor fixes.

0.6.0

• BETA version 0.6.0 with minor breaking changes
• Lint rules and analysis options updated
• Also implicit-casts and implicit-dynamic to false requiring code changes
• many other smaller changes and optimizations partially due issues #8

0.5.0

• BETA version 0.5.0 with stable null-safety requiring the stable Dart 2.12

0.5.0-nullsafety.0

• BETA version 0.5.0 with (relative small) breaking changes compared to 0.4.1
• Enhancing geospatial data factories, for example range filter
• Bounds and Point with new methods: writeValues and valuesAsString

0.4.1-nullsafety.0

• Alpha version 0.4.1 with minor feature changes compared to 0.4.0
  • may require migrations
  • Point interface has now x, y, z and m getters of type num, not double
  • However GeoPoint still has lon, lat, elev getters as double as previously
  • GeoJSON parser has breaking changes on point, bounds and feature factories
• Coordinate value getter properties as num on points #2
• Point and geometry factory interfaces and implementations #3
• Point factory constructor consistency #4
• Adapt factory changes to GeoJSON parser #5
• GeoJSON parser to allow extended Feature data #6
  • at least partial implementation, forward json object to factory function too
• BoundsBuilder as utility class #7

0.4.0-nullsafety.0

• Alpha version 0.4.0 with breaking changes compared to 0.3.0
• New dependency: attributes (^0.4.0-nullsafety.0) for common data structures
• Non-geospatial data structures moved to attributes
• Removed dependency: fixnum (1.0.0-nullsafety.0)
• Restructured lib/src folder:
  • base
  • crs
  • feature
  • geo
  • meta
    • extent
  • parse
    • factory
    • geojson
  • utils
    • geography
• Restructured mini-libraries provided by the package:
  • 'package:geocore/base.dart'
  • 'package:geocore/crs.dart'
  • 'package:geocore/feature.dart'
  • 'package:geocore/geo.dart'
  • 'package:geocore/meta_extent.dart'
  • 'package:geocore/parse_factory.dart'
  • 'package:geocore/parse_geojson.dart'
• Still the whole library is available by:
  • 'package:geocore/geocore.dart'
• Refactoring code in many places too

0.3.0-nullsafety.0

• Alpha version 0.3.0 with breaking changes compared to 0.2.0
• New dependency: fixnum (^1.0.0-nullsafety.0) for Int64 (Dart VM / JavaScript)
• New constructors on Point and GeoPoint for creating points from coordinates
• GeoPoint sub classes to support representing also M-coordinate
• New enumerated type: enum CRSType { geographic, projected, local }
• Empty geometry to map null geometries (ie. from GeoJSON) to such instance
• Multi geometry: MultiPoint, MultiLineString, MultiPoint, GeometryCollection
• Feature class changes: FeatureId, Feature, FeatureSeries, FeatureCollection
• Factory abstraction for creating geometries, features and feature collections
• Factory implementation for GeoJSON, initial version, not full coverage
  • FeatureCollection, Feature
  • Point, LineString, Polygon
  • MultiPoint, MultiLineString, MultiPoint
  • GeometryCollection
• Refactoring also some other constructors for consistent naming conventions
• Some tests added also to test parsing GeoJSON data

0.2.0-nullsafety.0

• Alpha version 0.2.0 with breaking changes compared to 0.1.0.
• More geometries: LineString (any line string or linear ring), Polygon
• Custom Iterable interface and sub implementation: Series, SeriesView
• Geometry series: GeometrySeries, PointSeries, LineStringSeries, PolygonSeries
• Features and collections: Feature, FeatureSeries

0.1.0-nullsafety.2

• Small fixes on README.md

0.1.0-nullsafety.1

• Small fixes on links of pubspec.yaml

0.1.0-nullsafety.0

• Initial pre-release version, the API of the library is not stable
• Designed for null-safety (requires sdk: '>=2.12.0-0 <3.0.0')
• Uses as dependency: Equatable (^2.0.0-nullsafety.0)
• Cartesian points using doubles: Point2, Point2m, Point3, Point3m
• Cartesian points using integers: Point2i, Point3i
• Geographical points using doubles: GeoPoint2, GeoPoint3
• Geographical camera: GeoCamera
• Geographical bounds: GeoBounds
• Coordinate reference systems: CRS class with two predefined identifiers
• Temporal coordinates: Instant, Interval
• Geospatial extent: Extent
• Web links: Link