| java.lang.Object
 com.sun.j3d.utils.geometry.Triangulator
| Triangulator | | public class Triangulator extends Object (Code) | | Triangulator is a utility for turning arbitrary polygons into triangles
so they can be rendered by Java 3D.
Polygons can be concave, nonplanar, and can contain holes.
See Also: GeometryInfo |
| Constructor Summary | |
| public | Triangulator()
Creates a new instance of the Triangulator. | | public | Triangulator(int earOrder)
Creates a new instance of a Triangulator. |
| Method Summary | |
| void | deleteHook(int currLoop)
| | void | deleteLinks(int ind)
| | int | fetchData(int ind1)
| | int | fetchNextData(int ind1)
Returns pointer to the successor of ind1. | | int | fetchPrevData(int ind1)
returns pointer to the successor of ind1. | | int | getAngle(int ind)
| | int | getNextChain(boolean[] done)
| | int | getNode()
| | boolean | inLoopList(int loop)
| | boolean | inPointsList(int index)
| | boolean | inPolyList(int ind)
| | void | initPnts(int number)
| | void | insertAfter(int ind1, int ind2)
Inserts node ind2 after node ind1. | | int | makeHook()
Allocates storage for a dummy list node; pointers are set to itself. | | int | makeLoopHeader()
| | int | makeNode(int index)
Allocates storage for a new list node, and stores the index of the point
at this node. | | void | preProcessList(int i1)
| | void | printListData()
| | void | printVtxList()
| | void | resetPolyList(int ind)
| | void | rotateLinks(int ind1, int ind2)
| | void | setAngle(int ind, int convex)
| | void | setEpsilon(double eps)
| | void | splitSplice(int ind1, int ind2, int ind3, int ind4)
| | void | storeChain(int ind)
| | int | storePoint(double x, double y)
| | void | storeTriangle(int i, int j, int k)
| | void | swapLinks(int ind1)
swap the list pointers in order to change the orientation. | | public void | triangulate(GeometryInfo gi)
This routine converts the GeometryInfo object from primitive type
POLYGON_ARRAY to primitive type TRIANGLE_ARRAY using polygon
decomposition techniques. | | void | updateIndex(int ind, int index)
| | void | writeTriangleToGeomInfo()
|
| EARS_RANDOM | | final static int EARS_RANDOM(Code) | | |
| EARS_SEQUENCE | | final static int EARS_SEQUENCE(Code) | | |
| EARS_SORTED | | final static int EARS_SORTED(Code) | | |
| INC_DIST_BK | | final static int INC_DIST_BK(Code) | | |
| INC_LIST_BK | | final static int INC_LIST_BK(Code) | | |
| INC_LOOP_BK | | final static int INC_LOOP_BK(Code) | | |
| INC_POINT_BK | | final static int INC_POINT_BK(Code) | | |
| INC_TRI_BK | | final static int INC_TRI_BK(Code) | | |
| ZERO | | final static double ZERO(Code) | | |
| earsRandom | | boolean earsRandom(Code) | | |
| earsSorted | | boolean earsSorted(Code) | | |
| loopMinloopMax | | int loopMinloopMax(Code) | | |
| maxNumChains | | int maxNumChains(Code) | | |
| maxNumDist | | int maxNumDist(Code) | | |
| maxNumHeap | | int maxNumHeap(Code) | | |
| maxNumLeftMost | | int maxNumLeftMost(Code) | | |
| maxNumList | | int maxNumList(Code) | | |
| maxNumLoops | | int maxNumLoops(Code) | | |
| maxNumPUnsorted | | int maxNumPUnsorted(Code) | | |
| maxNumPoints | | int maxNumPoints(Code) | | |
| maxNumPolyArea | | int maxNumPolyArea(Code) | | |
| maxNumTriangles | | int maxNumTriangles(Code) | | |
| noHashingEdges | | boolean noHashingEdges(Code) | | |
| noHashingPnts | | boolean noHashingPnts(Code) | | |
| normals | | Vector3f normals(Code) | | |
| numTexSets | | int numTexSets(Code) | | |
| numTriangles | | int numTriangles(Code) | | |
| numVtxList | | int numVtxList(Code) | | |
| pUnsorted | | Point2f[] pUnsorted(Code) | | |
| polyArea | | double polyArea(Code) | | |
| reflexVertices | | int reflexVertices(Code) | | |
| stripCounts | | int stripCounts(Code) | | |
| vertexIndices | | int vertexIndices(Code) | | |
| vertices | | Point3f vertices(Code) | | |
| Triangulator | | public Triangulator()(Code) | | Creates a new instance of the Triangulator.
|
| Triangulator | | public Triangulator(int earOrder)(Code) | | Creates a new instance of a Triangulator.
|
| deleteHook | | void deleteHook(int currLoop)(Code) | | |
| deleteLinks | | void deleteLinks(int ind)(Code) | | Deletes node ind from list (with destroying its data fields)
|
| fetchData | | int fetchData(int ind1)(Code) | | obtains the data store at ind1
|
| fetchNextData | | int fetchNextData(int ind1)(Code) | | Returns pointer to the successor of ind1.
|
| fetchPrevData | | int fetchPrevData(int ind1)(Code) | | returns pointer to the successor of ind1.
|
| getAngle | | int getAngle(int ind)(Code) | | |
| getNextChain | | int getNextChain(boolean[] done)(Code) | | |
| inLoopList | | boolean inLoopList(int loop)(Code) | | |
| inPointsList | | boolean inPointsList(int index)(Code) | | |
| inPolyList | | boolean inPolyList(int ind)(Code) | | |
| initPnts | | void initPnts(int number)(Code) | | |
| insertAfter | | void insertAfter(int ind1, int ind2)(Code) | | Inserts node ind2 after node ind1.
|
| makeHook | | int makeHook()(Code) | | Allocates storage for a dummy list node; pointers are set to itself.
pointer to node |
| makeLoopHeader | | int makeLoopHeader()(Code) | | |
| makeNode | | int makeNode(int index)(Code) | | Allocates storage for a new list node, and stores the index of the point
at this node. Pointers are set to -1.
pointer to node |
| preProcessList | | void preProcessList(int i1)(Code) | | |
| printListData | | void printListData()(Code) | | |
| printVtxList | | void printVtxList()(Code) | | |
| resetPolyList | | void resetPolyList(int ind)(Code) | | |
| rotateLinks | | void rotateLinks(int ind1, int ind2)(Code) | | |
| setAngle | | void setAngle(int ind, int convex)(Code) | | |
| setEpsilon | | void setEpsilon(double eps)(Code) | | |
| splitSplice | | void splitSplice(int ind1, int ind2, int ind3, int ind4)(Code) | | |
| storeChain | | void storeChain(int ind)(Code) | | |
| storePoint | | int storePoint(double x, double y)(Code) | | |
| storeTriangle | | void storeTriangle(int i, int j, int k)(Code) | | |
| swapLinks | | void swapLinks(int ind1)(Code) | | swap the list pointers in order to change the orientation.
|
| triangulate | | public void triangulate(GeometryInfo gi)(Code) | | This routine converts the GeometryInfo object from primitive type
POLYGON_ARRAY to primitive type TRIANGLE_ARRAY using polygon
decomposition techniques.
Example of usage:
Triangulator tr = new Triangulator();
tr.triangulate(ginfo); // ginfo contains the geometry.
shape.setGeometry(ginfo.getGeometryArray()); // shape is a Shape3D.
Parameters:
gi - Geometry to be triangulated |
| updateIndex | | void updateIndex(int ind, int index)(Code) | | |
| writeTriangleToGeomInfo | | void writeTriangleToGeomInfo()(Code) | | |
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