Class Geometry

Stores geometry in a DCEL (doubly connected (half) edge list).

Inheritance
System.Object
Geometry
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.ToString()
Namespace: Fusee.Jometri
Assembly: Fusee.Jometri.dll
Syntax
public class Geometry

Constructors

Geometry(IEnumerable<PolyBoundary>)

2D Geometry, stored in a DCEL (half edge data structure).

Declaration
public Geometry(IEnumerable<PolyBoundary> outlines)
Parameters
Type Name Description
System.Collections.Generic.IEnumerable<PolyBoundary> outlines

A collection of the geometry's outlines, each containing the geometric information as a list of float3 in ccw order.

Methods

CloneGeometry()

Creates an exact copy of the given Geometry.

Declaration
public Geometry CloneGeometry()
Returns
Type Description
Geometry

GetAllFaces()

Returns all Faces of the Geometry.

Declaration
public IEnumerable<Face> GetAllFaces()
Returns
Type Description
System.Collections.Generic.IEnumerable<Face>

GetAllHalfEdges()

Returns all HalfEdges of the Geometry.

Declaration
public IEnumerable<HalfEdge> GetAllHalfEdges()
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

GetAllVertices()

Returns all Vertices of the Geometry.

Declaration
public IEnumerable<Vertex> GetAllVertices()
Returns
Type Description
System.Collections.Generic.IEnumerable<Vertex>

GetFaceHalfEdges(Int32)

This collection contains all handles to HalfEdges of a given Face.

Declaration
public IEnumerable<HalfEdge> GetFaceHalfEdges(int fHandle)
Parameters
Type Name Description
System.Int32 fHandle

The reference of the Face.
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

GetFaceOuterVertices(Int32)

This collection contains all Vertices of the outer boundary of a given Face.

Declaration
public IEnumerable<Vertex> GetFaceOuterVertices(int fHandle)
Parameters
Type Name Description
System.Int32 fHandle

The reference of the Face.
Returns
Type Description
System.Collections.Generic.IEnumerable<Vertex>

GetFacesAdajacentToFace(Int32)

This collection contains all Faces neighboring a given Face.

Declaration
public IEnumerable<Face> GetFacesAdajacentToFace(int fHandle)
Parameters
Type Name Description
System.Int32 fHandle

The reference of the Face.
Returns
Type Description
System.Collections.Generic.IEnumerable<Face>

GetFaceVertices(Int32)

This collection contains all Vertices of a given Face.

Declaration
public IEnumerable<Vertex> GetFaceVertices(int fHandle)
Parameters
Type Name Description
System.Int32 fHandle

The reference of the Face.
Returns
Type Description
System.Collections.Generic.IEnumerable<Vertex>

GetHalfEdgeLoop(Int32)

This collection contains all handles to HalfEdges belonging to a closed loop. Collection is made by tracking the initial HalfEdge's successors.

Declaration
public IEnumerable<HalfEdge> GetHalfEdgeLoop(int heHandle)
Parameters
Type Name Description
System.Int32 heHandle

The reference to the HalfEdge with which the loop starts.
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

GetHalfEdgeLoopReverse(Int32)

This collection contains all handles to HalfEdges belonging to a closed loop. Calculation is made by tracking the initial HalfEdge's predecessors.

Declaration
public IEnumerable<HalfEdge> GetHalfEdgeLoopReverse(int heHandle)
Parameters
Type Name Description
System.Int32 heHandle

The reference to the HalfEdge with which the loop starts.
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

GetVertexAdajacentFaces(Int32)

This collection contains all handles to Faces adjacent to a given Vertex.

Declaration
public IEnumerable<Face> GetVertexAdajacentFaces(int vHandle)
Parameters
Type Name Description
System.Int32 vHandle

The reference of the Vertex.
Returns
Type Description
System.Collections.Generic.IEnumerable<Face>

GetVertexAdjacentVertices(Int32)

This collection contains all vertices neighboring a given Vertex.

Declaration
public IEnumerable<Vertex> GetVertexAdjacentVertices(int vHandle)
Parameters
Type Name Description
System.Int32 vHandle

The reference of the Vertex.
Returns
Type Description
System.Collections.Generic.IEnumerable<Vertex>

GetVertexIncidentHalfEdges(Int32)

This collection contains all handles to HalfEdges starting at or targeting a given Vertex.

Declaration
public IEnumerable<HalfEdge> GetVertexIncidentHalfEdges(int vHandle)
Parameters
Type Name Description
System.Int32 vHandle

The reference of the Vertex.
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

GetVertexStartingHalfEdges(Int32)

This collection contains all handles to HalfEdges starting at a given Vertex.

Declaration
public IEnumerable<HalfEdge> GetVertexStartingHalfEdges(int vHandle)
Parameters
Type Name Description
System.Int32 vHandle

The reference of the Vertex.
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

GetVertexTargetingHalfEdges(Int32)

This collection contains all handles to HalfEdges ending at a given Vertex.

Declaration
public IEnumerable<HalfEdge> GetVertexTargetingHalfEdges(int vHandle)
Parameters
Type Name Description
System.Int32 vHandle

The reference of the Vertex.
Returns
Type Description
System.Collections.Generic.IEnumerable<HalfEdge>

SetFaceNormal(IList<Vertex>, Face)

Calculates and saves the normal of the Face into its FaceData.

Declaration
public void SetFaceNormal(IList<Vertex> faceOuterVertices, Face face)
Parameters
Type Name Description
System.Collections.Generic.IList<Vertex> faceOuterVertices

All vertices of the outer boundary of the Face.
Face face

The Face the normal belongs to.

Extension Methods