geometry

README

go-sfomuseum-geometry

Go package for manipulating geometries, in a SFO Museum context.

Important

Among the dependencies is the gogeos package which depends on the GEOS C library to be present. As such it is not "portable" the same way other Go tools are.

Documentation

Documentation is incomplete.

Documentation

Overview

Package geometry provides methods for manipulating geometries, in a SFO Museum context.

package geometry provides method for geometric operations related to SFO Museum (Who's On First) records.

Index

• func CentroidWithFeature(ctx context.Context, f *geojson.Feature) (float64, float64, error)
• func ClipFeatureCollection(ctx context.Context, source_fc *geojson.FeatureCollection, ...) (*geojson.FeatureCollection, error)
• func ContainedBy(ctx context.Context, f *geojson.Feature, candidates ...*geojson.Feature) ([]*geojson.Feature, error)
• func DifferenceFeatureCollection(ctx context.Context, source_fc *geojson.FeatureCollection, ...) (*geojson.FeatureCollection, error)
• func DifferenceGeometries(ctx context.Context, base_geom *geos.Geometry, other_geoms ...*geos.Geometry) (*geos.Geometry, error)
• func DifferenceGeometriesWithFeatures(ctx context.Context, base *geojson.Feature, others ...*geojson.Feature) (*geojson.Feature, error)
• func GeosGeometryToOrbGeometry(ctx context.Context, geos_geom *geos.Geometry) (orb.Geometry, error)
• func OrbGeometryToGeosGeometry(ctx context.Context, orb_geom orb.Geometry) (*geos.Geometry, error)
• func UnionFeatureCollection(ctx context.Context, cols ...*geojson.FeatureCollection) (*geojson.FeatureCollection, error)

Functions

func CentroidWithFeature

func CentroidWithFeature(ctx context.Context, f *geojson.Feature) (float64, float64, error)

func ClipFeatureCollection

func ClipFeatureCollection(ctx context.Context, source_fc *geojson.FeatureCollection, clip_fc *geojson.FeatureCollection) (*geojson.FeatureCollection, error)

func ContainedBy

func ContainedBy(ctx context.Context, f *geojson.Feature, candidates ...*geojson.Feature) ([]*geojson.Feature, error)

func DifferenceFeatureCollection

func DifferenceFeatureCollection(ctx context.Context, source_fc *geojson.FeatureCollection, clip_fc *geojson.FeatureCollection) (*geojson.FeatureCollection, error)

func DifferenceGeometries

func DifferenceGeometries(ctx context.Context, base_geom *geos.Geometry, other_geoms ...*geos.Geometry) (*geos.Geometry, error)

func DifferenceGeometriesWithFeatures

func DifferenceGeometriesWithFeatures(ctx context.Context, base *geojson.Feature, others ...*geojson.Feature) (*geojson.Feature, error)

func GeosGeometryToOrbGeometry

func GeosGeometryToOrbGeometry(ctx context.Context, geos_geom *geos.Geometry) (orb.Geometry, error)

func OrbGeometryToGeosGeometry

func OrbGeometryToGeosGeometry(ctx context.Context, orb_geom orb.Geometry) (*geos.Geometry, error)

func UnionFeatureCollection

func UnionFeatureCollection(ctx context.Context, cols ...*geojson.FeatureCollection) (*geojson.FeatureCollection, error)