Class FaceGroupOptimizer

Given input mesh with a set of face groups, optimize the face group boundaries. This involves flipping triangles between groups, and/or assigning to "background" group. Also has Dilate/Contract functions to grow/shrink groups in various ways.

Inheritance
Object
FaceGroupOptimizer
Inherited Members
Namespace: g3
Assembly: cs.temp.dll.dll
Syntax
public class FaceGroupOptimizer

Constructors

FaceGroupOptimizer(DMesh3)

Declaration
public FaceGroupOptimizer(DMesh3 meshIn)
Parameters
Type Name Description
DMesh3 meshIn

Fields

BackgroundGroupID

Declaration
public int BackgroundGroupID
Field Value
Type Description
Int32

DontClipEnclosedFins

Declaration
public bool DontClipEnclosedFins
Field Value
Type Description
Boolean

GetEnumeratorF

Declaration
public Func<IEnumerable<int>> GetEnumeratorF
Field Value
Type Description
Func<IEnumerable<Int32>>

NoEarGroupSwaps

Declaration
public bool NoEarGroupSwaps
Field Value
Type Description
Boolean

Properties

Mesh

Declaration
public DMesh3 Mesh { get; }
Property Value
Type Description
DMesh3

Methods

ClipFins(Boolean)

Declaration
public int ClipFins(bool bClipLoners)
Parameters
Type Name Description
Boolean bClipLoners
Returns
Type Description
Int32

ContractAllGroups(Int32, Boolean)

Simultaneously contract all groups by N rings. if bBackroundOnly=true, then non-background group borders stay connected, otherwise they pull apart.

Declaration
public int ContractAllGroups(int nRings, bool bBackgroundOnly)
Parameters
Type Name Description
Int32 nRings
Boolean bBackgroundOnly
Returns
Type Description
Int32

DilateAllGroups(Int32)

Simultaneously grow all groups into areas with background group id, expanding by N rings. does not expand across group borders.

Declaration
public int DilateAllGroups(int nRings)
Parameters
Type Name Description
Int32 nRings
Returns
Type Description
Int32

FillEars(Boolean)

Declaration
public int FillEars(bool bFillTinyHoles)
Parameters
Type Name Description
Boolean bFillTinyHoles
Returns
Type Description
Int32

LocalOptimize(Boolean, Boolean, Boolean, Boolean, Int32)

Do rounds of ear-filling and fin-clipping until we can't anymore Returns true if group assignments were modified

Declaration
public bool LocalOptimize(bool bClipFins, bool bFillEars, bool bFillTinyHoles = true, bool bClipLoners = true, int max_iters = 100)
Parameters
Type Name Description
Boolean bClipFins
Boolean bFillEars
Boolean bFillTinyHoles
Boolean bClipLoners
Int32 max_iters
Returns
Type Description
Boolean