package geometry

Import Path
	github.com/d2lang/elk-go/internal/geometry (on go.dev)

Dependency Relation
	imports 5 packages, and imported by 25 packages

Involved Source Files

	  d geometry.go
		Package geometry implements ELK's core two-dimensional data types.
Package-Level Type Names (total 4)

	/* sort by: alphabet | popularity */
	 type Chain ([])
		Chain is ELK's ordered KVectorChain.

		Methods (total 10)
			( Chain) Clone() Chain
			( Chain) HasInfinite() bool
			( Chain) HasNaN() bool
			( Chain) Length() float64
			( Chain) Offset(offset Point) Chain
			( Chain) PointAt(distance float64) Point
				PointAt returns a point at distance from the start, or from the end when
				distance is negative.

			( Chain) Reverse() Chain
			( Chain) Scale(factor float64) Chain
			( Chain) ScaleXY(x, y float64) Chain
			( Chain) String() string
		Implements (at least 2)
			 Chain : expvar.Var
			 Chain : fmt.Stringer
		As Outputs Of (at least 10)
			func ParseChain(input string) (Chain, error)
			func Chain.Clone() Chain
			func Chain.Offset(offset Point) Chain
			func Chain.Reverse() Chain
			func Chain.Scale(factor float64) Chain
			func Chain.ScaleXY(x, y float64) Chain
			func github.com/d2lang/elk-go/internal/common/elkutil.DetermineJunctionPoints(model *graph.Model, edgeID graph.EdgeID) (Chain, error)
			func github.com/d2lang/elk-go/internal/graph.(*Model).SectionChain(section graph.SectionID) Chain
			func github.com/d2lang/elk-go/internal/layered/intermediate/loops/routing.CutPolylineCorners(points Chain, distance float64) Chain
			func github.com/d2lang/elk-go/internal/layered/p5edges.CubicNUBToBezier(points Chain) Chain
		As Inputs Of (at least 3)
			func github.com/d2lang/elk-go/internal/common/elkutil.ApplyVectorChain(model *graph.Model, sectionID graph.SectionID, chain Chain)
			func github.com/d2lang/elk-go/internal/layered/intermediate/loops/routing.CutPolylineCorners(points Chain, distance float64) Chain
			func github.com/d2lang/elk-go/internal/layered/p5edges.CubicNUBToBezier(points Chain) Chain

	 type Point (struct)
		Point is the Go counterpart of ELK's KVector.

		Fields (total 2)
			X float64
			Y float64
		Methods (total 21)
			( Point) Add(q Point) Point
			( Point) Angle(q Point) float64
			( Point) Bound(lowX, lowY, highX, highY float64) Point
			( Point) Cross(q Point) float64
			( Point) Degrees() float64
			( Point) Distance(q Point) float64
			( Point) Dot(q Point) float64
			( Point) FuzzyEqual(q Point, tolerance float64) bool
			( Point) IsInfinite() bool
			( Point) IsNaN() bool
			( Point) Length() float64
			( Point) LengthSquared() float64
			( Point) Negate() Point
			( Point) Normalize() Point
			( Point) Radians() float64
				Radians returns an angle in [0, 2*pi), matching KVector.toRadians.

			( Point) Rotate(angle float64) Point
			( Point) Scale(factor float64) Point
			( Point) ScaleToLength(length float64) Point
			( Point) ScaleXY(x, y float64) Point
			( Point) String() string
			( Point) Sub(q Point) Point
		Implements (at least 2)
			 Point : expvar.Var
			 Point : fmt.Stringer
		As Outputs Of (at least 27)
			func Between(start, end Point) Point
			func FromAngle(angle float64) Point
			func NewPoint(x, y float64) Point
			func ParsePoint(input string) (Point, error)
			func Chain.PointAt(distance float64) Point
			func Point.Add(q Point) Point
			func Point.Bound(lowX, lowY, highX, highY float64) Point
			func Point.Negate() Point
			func Point.Normalize() Point
			func Point.Rotate(angle float64) Point
			func Point.Scale(factor float64) Point
			func Point.ScaleToLength(length float64) Point
			func Point.ScaleXY(x, y float64) Point
			func Point.Sub(q Point) Point
			func Rectangle.BottomLeft() Point
			func Rectangle.BottomRight() Point
			func Rectangle.Center() Point
			func Rectangle.Position() Point
			func Rectangle.TopRight() Point
			func github.com/d2lang/elk-go/internal/common/elkutil.EffectiveMinSizeConstraintFor(model *graph.Model, nodeID graph.NodeID) Point
			func github.com/d2lang/elk-go/internal/common/elkutil.ResizeNode(model *graph.Model, nodeID graph.NodeID, width, height float64, movePorts, moveLabels bool) Point
			func github.com/d2lang/elk-go/internal/common/nodespacing.ProcessNodeSize(model *graph.Model, parent, nodeID graph.NodeID, apply bool, _ bool) Point
			func github.com/d2lang/elk-go/internal/force.(*FEdge).SourcePoint() Point
			func github.com/d2lang/elk-go/internal/force.(*FEdge).TargetPoint() Point
			func github.com/d2lang/elk-go/internal/graph.Shape.Position() Point
			func github.com/d2lang/elk-go/internal/layered.(*LGraphArena).ExternalPortPosition(graphID layered.LGraphID, dummyID layered.LNodeID, portWidth, portHeight float64) Point
			func github.com/d2lang/elk-go/internal/layered.(*LGraphArena).GraphActualSize(graphID layered.LGraphID) Point
		As Inputs Of (at least 17)
			func Between(start, end Point) Point
			func Chain.Offset(offset Point) Chain
			func Point.Add(q Point) Point
			func Point.Angle(q Point) float64
			func Point.Cross(q Point) float64
			func Point.Distance(q Point) float64
			func Point.Dot(q Point) float64
			func Point.FuzzyEqual(q Point, tolerance float64) bool
			func Point.Sub(q Point) Point
			func Rectangle.Move(offset Point) Rectangle
			func github.com/d2lang/elk-go/internal/common/elkutil.TranslateAligned(model *graph.Model, parent graph.NodeID, newSize, oldSize Point)
			func github.com/d2lang/elk-go/internal/core.TranslateSection(model *graph.Model, sectionID graph.SectionID, offset Point)
			func github.com/d2lang/elk-go/internal/layered.(*LGraphArena).CreateExternalPortDummy(propertyHolder *basegraph.PropertyMap, portConstraints layered.PortConstraints, portSide layered.PortSide, netFlow int, portNodeSize *Point, portPosition *Point, portSize Point, layoutDirection layered.Direction, graphID layered.LGraphID) layered.LNodeID
			func github.com/d2lang/elk-go/internal/layered.(*LGraphArena).CreateExternalPortDummy(propertyHolder *basegraph.PropertyMap, portConstraints layered.PortConstraints, portSide layered.PortSide, netFlow int, portNodeSize *Point, portPosition *Point, portSize Point, layoutDirection layered.Direction, graphID layered.LGraphID) layered.LNodeID
			func github.com/d2lang/elk-go/internal/layered.(*LGraphArena).CreateExternalPortDummy(propertyHolder *basegraph.PropertyMap, portConstraints layered.PortConstraints, portSide layered.PortSide, netFlow int, portNodeSize *Point, portPosition *Point, portSize Point, layoutDirection layered.Direction, graphID layered.LGraphID) layered.LNodeID
			func github.com/d2lang/elk-go/internal/layered.(*LGraphArena).ResizeNode(nodeID layered.LNodeID, newSize Point, movePorts, moveLabels bool)
			func github.com/d2lang/elk-go/internal/layered/intermediate/loops.(*Labels).ApplyPlacement(arena *layered.LGraphArena, offset Point)

	 type Rectangle (struct)
		Rectangle is an axis-aligned rectangle.

		Fields (total 4)
			Height float64
			Width float64
			X float64
			Y float64
		Methods (total 10)
			( Rectangle) BottomLeft() Point
			( Rectangle) BottomRight() Point
			( Rectangle) Center() Point
			( Rectangle) Intersects(other Rectangle) bool
			( Rectangle) MaxX() float64
			( Rectangle) MaxY() float64
			( Rectangle) Move(offset Point) Rectangle
			( Rectangle) Position() Point
			( Rectangle) TopRight() Point
			( Rectangle) Union(other Rectangle) Rectangle
		As Outputs Of (at least 3)
			func Rectangle.Move(offset Point) Rectangle
			func Rectangle.Union(other Rectangle) Rectangle
			func github.com/d2lang/elk-go/internal/graph.Shape.Rectangle() Rectangle
		As Inputs Of (at least 2)
			func Rectangle.Intersects(other Rectangle) bool
			func Rectangle.Union(other Rectangle) Rectangle

	 type Spacing (struct)
		Spacing is used for both ELK padding and margin values.

		Fields (total 4)
			Bottom float64
			Left float64
			Right float64
			Top float64
		Methods (total 3)
			( Spacing) Horizontal() float64
			( Spacing) String() string
			( Spacing) Vertical() float64
		Implements (at least 2)
			 Spacing : expvar.Var
			 Spacing : fmt.Stringer
		As Outputs Of (at least 3)
			func LRBTSpacing(horizontal, vertical float64) Spacing
			func ParseSpacing(input string) (Spacing, error)
			func UniformSpacing(value float64) Spacing


Package-Level Functions (total 8)

	 func Between(start, end Point) Point
		Between returns the vector pointing from start to end.

	 func FromAngle(angle float64) Point
		FromAngle returns a unit vector at the given angle in radians.

	 func LRBTSpacing(horizontal, vertical float64) Spacing
	 func NewPoint(x, y float64) Point
	 func ParseChain(input string) (Chain, error)
	 func ParsePoint(input string) (Point, error)
	 func ParseSpacing(input string) (Spacing, error)
	 func UniformSpacing(value float64) Spacing

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