rawgeos

Documentation

Index

• func Area(g geom.Geometry) (float64, error)
• func AsBinary(g geom.Geometry) ([]byte, error)
• func AsText(g geom.Geometry) (string, error)
• func Boundary(g geom.Geometry) (geom.Geometry, error)
• func Buffer(g geom.Geometry, opts BufferOptions) (geom.Geometry, error)
• func Centroid(g geom.Geometry) (geom.Geometry, error)
• func ConcaveHull(g geom.Geometry, ratio float64, allowHoles bool) (geom.Geometry, error)
• func Contains(a, b geom.Geometry) (bool, error)
• func ConvexHull(g geom.Geometry) (geom.Geometry, error)
• func CoverageIsValid(g geom.Geometry, gapWidth float64) (bool, geom.Geometry, error)
• func CoverageSimplifyVW(g geom.Geometry, tolerance float64, preserveBoundary bool) (geom.Geometry, error)
• func CoverageUnion(g geom.Geometry) (geom.Geometry, error)
• func CoveredBy(a, b geom.Geometry) (bool, error)
• func Covers(a, b geom.Geometry) (bool, error)
• func Crosses(a, b geom.Geometry) (bool, error)
• func Difference(a, b geom.Geometry) (geom.Geometry, error)
• func Dimension(g geom.Geometry) (int, error)
• func Disjoint(a, b geom.Geometry) (bool, error)
• func Distance(a, b geom.Geometry) (float64, error)
• func Envelope(g geom.Geometry) (geom.Geometry, error)
• func Equals(a, b geom.Geometry) (bool, error)
• func EqualsExact(a, b geom.Geometry) (bool, error)
• func FromBinary(wkb []byte) (geom.Geometry, error)
• func FromText(wkt string) (geom.Geometry, error)
• func Intersection(a, b geom.Geometry) (geom.Geometry, error)
• func Intersects(a, b geom.Geometry) (bool, error)
• func IsEmpty(g geom.Geometry) (bool, error)
• func IsRing(g geom.Geometry) (bool, error)
• func IsSimple(g geom.Geometry) (bool, error)
• func IsValid(g geom.Geometry) (bool, error)
• func Length(g geom.Geometry) (float64, error)
• func MakeValid(g geom.Geometry) (geom.Geometry, error)
• func MinimumRotatedRectangle(g geom.Geometry) (geom.Geometry, error)
• func Overlaps(a, b geom.Geometry) (bool, error)
• func Relate(g1, g2 geom.Geometry) (string, error)
• func RelatePatternMatch(mat, pat string) (bool, error)
• func Reverse(g geom.Geometry) (geom.Geometry, error)
• func Simplify(g geom.Geometry, tolerance float64) (geom.Geometry, error)
• func SymmetricDifference(a, b geom.Geometry) (geom.Geometry, error)
• func TopologyPreserveSimplify(g geom.Geometry, tolerance float64) (geom.Geometry, error)
• func Touches(a, b geom.Geometry) (bool, error)
• func UnaryUnion(g geom.Geometry) (geom.Geometry, error)
• func Union(a, b geom.Geometry) (geom.Geometry, error)
• func Within(a, b geom.Geometry) (bool, error)
• type BufferEndCapStyle
• type BufferJoinStyle
• type BufferOptions
• type UnsupportedGEOSVersionError
  • func (e UnsupportedGEOSVersionError) Error() string

Functions

func Area

func Area(g geom.Geometry) (float64, error)

func AsBinary

func AsBinary(g geom.Geometry) ([]byte, error)

func AsText

func AsText(g geom.Geometry) (string, error)

func Boundary

func Boundary(g geom.Geometry) (geom.Geometry, error)

func Buffer

func Buffer(g geom.Geometry, opts BufferOptions) (geom.Geometry, error)

func Centroid

func Centroid(g geom.Geometry) (geom.Geometry, error)

func ConcaveHull

func ConcaveHull(g geom.Geometry, ratio float64, allowHoles bool) (geom.Geometry, error)

func Contains

func Contains(a, b geom.Geometry) (bool, error)

func ConvexHull

func ConvexHull(g geom.Geometry) (geom.Geometry, error)

func CoverageIsValid

func CoverageIsValid(g geom.Geometry, gapWidth float64) (bool, geom.Geometry, error)

func CoverageSimplifyVW

func CoverageSimplifyVW(g geom.Geometry, tolerance float64, preserveBoundary bool) (geom.Geometry, error)

func CoverageUnion

func CoverageUnion(g geom.Geometry) (geom.Geometry, error)

func CoveredBy

func CoveredBy(a, b geom.Geometry) (bool, error)

func Covers

func Covers(a, b geom.Geometry) (bool, error)

func Crosses

func Crosses(a, b geom.Geometry) (bool, error)

func Difference

func Difference(a, b geom.Geometry) (geom.Geometry, error)

func Dimension

func Dimension(g geom.Geometry) (int, error)

func Disjoint

func Disjoint(a, b geom.Geometry) (bool, error)

func Distance

func Distance(a, b geom.Geometry) (float64, error)

func Envelope

func Envelope(g geom.Geometry) (geom.Geometry, error)

func Equals

func Equals(a, b geom.Geometry) (bool, error)

func EqualsExact

func EqualsExact(a, b geom.Geometry) (bool, error)

func FromBinary

func FromBinary(wkb []byte) (geom.Geometry, error)

func FromText

func FromText(wkt string) (geom.Geometry, error)

func Intersection

func Intersection(a, b geom.Geometry) (geom.Geometry, error)

func Intersects

func Intersects(a, b geom.Geometry) (bool, error)

func IsEmpty

func IsEmpty(g geom.Geometry) (bool, error)

func IsRing

func IsRing(g geom.Geometry) (bool, error)

func IsSimple

func IsSimple(g geom.Geometry) (bool, error)

func IsValid

func IsValid(g geom.Geometry) (bool, error)

func Length

func Length(g geom.Geometry) (float64, error)

func MakeValid

func MakeValid(g geom.Geometry) (geom.Geometry, error)

func MinimumRotatedRectangle

func MinimumRotatedRectangle(g geom.Geometry) (geom.Geometry, error)

func Overlaps

func Overlaps(a, b geom.Geometry) (bool, error)

func Relate

func Relate(g1, g2 geom.Geometry) (string, error)

func RelatePatternMatch

func RelatePatternMatch(mat, pat string) (bool, error)

func Reverse

func Reverse(g geom.Geometry) (geom.Geometry, error)

func Simplify

func Simplify(g geom.Geometry, tolerance float64) (geom.Geometry, error)

func SymmetricDifference

func SymmetricDifference(a, b geom.Geometry) (geom.Geometry, error)

func TopologyPreserveSimplify

func TopologyPreserveSimplify(g geom.Geometry, tolerance float64) (geom.Geometry, error)

func Touches

func Touches(a, b geom.Geometry) (bool, error)

func UnaryUnion

func UnaryUnion(g geom.Geometry) (geom.Geometry, error)

func Union

func Union(a, b geom.Geometry) (geom.Geometry, error)

func Within

func Within(a, b geom.Geometry) (bool, error)

Types

type BufferEndCapStyle

type BufferEndCapStyle string

const (
	BufferEndCapStyleRound  BufferEndCapStyle = "round"
	BufferEndCapStyleFlat   BufferEndCapStyle = "flat"
	BufferEndCapStyleSquare BufferEndCapStyle = "square"
)

type BufferJoinStyle

type BufferJoinStyle string

const (
	BufferJoinStyleRound BufferJoinStyle = "round"
	BufferJoinStyleMitre BufferJoinStyle = "mitre"
	BufferJoinStyleBevel BufferJoinStyle = "bevel"
)

type BufferOptions

type BufferOptions struct {
	Radius       float64
	QuadSegments int
	EndCapStyle  BufferEndCapStyle
	JoinStyle    BufferJoinStyle
	MitreLimit   float64 // Only applicable with BufferJoinStyleMitre.
}

type UnsupportedGEOSVersionError

type UnsupportedGEOSVersionError struct {
	// contains filtered or unexported fields
}

func (UnsupportedGEOSVersionError) Error

func (e UnsupportedGEOSVersionError) Error() string