PgPolygonSet ("JavaView Reference Manual")

java.lang.Object
- jv.object.PsObject
- - jv.project.PgGeometry
  - - jv.geom.PgPointSet
    - - jv.geom.PgPolygonSet

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, PsUpdateIf, PgGeometryIf

Direct Known Subclasses:

PgPolygonSetOnElementSet
```
public class PgPolygonSet
extends PgPointSet
```
Basic class for collections of lines and polygons. The class contains an array with polygons, each polygon is given by a list of vertex indices in the vertex array of its superclass PgPointSet. Each polygon may have a different number of vertices.
The dimension of all points is determined as argument of the constructor and cannot be changed later. See PgPointSet for details about allocation and access.
The number of vertices per polygon may be the same for all polygons of the polygon set, and assigned using the method setDimOfPolygons(int num). Or, the size of polygons may differ in which case getDimOfPolygons()==-1, which is the default case. The advantage of the first case is, that the class is able to do more memory allocations automatically.
There exist several utility functions to allocate and modify the number of polygons, for example,
```
        setNumPolygons(int num)
 
```
allocates num polygons. Internally, there exists a cache to reduce the number of actual memory allocations. The size of the cache is managed by protected methods.
Whenever the number of polygons is changed, the class automatically adjusts the size of those polygon properties which are currently in use, i.e. whose array is not null.
Applications may modify the entries of an polygon and of polygon properties by direct method calls such as
```
        setPolygon(int ind, PiVector v)
 
```
which sets the polygon with index ind equal to the components of a vector v by copying. Alternatively, if an application modifies a larger number of polygons then the application may prefer to obtain the polygon array from the polygon set and directly modify the array
```
        PiVector [] polygon = polygonSet.getPolygons();
        for (int i=0; i<pointSet.getNumPolygons(); i++)
                polygon[i].copy(v);
 
```
The same choice is available for arrays containing polygon properties. Note, that the actual size of the polygon array may be larger than m_numPolygons efficiency reasons. Therefore, do not use polygon.length but use getNumPolygons().
This class contains mainly basic methods for memory allocation and access to instance variables. Geometric methods operating on polygon sets such as computing a specific surface or computing the intersection of two surfaces are available in special workshop classes as extensions outside the base JavaView packages.
A good starting to obtain further insight are methods like PgPolygon.computeEight(int) (if source code access to JavaView is available), or the tutorial applets of JavaView.
See Also:
Serialized Form

Field Summary

Fields
Modifier and Type Field and Description

static int BINORMAL

static int CURVATURE_NORMAL

static int NORMAL

static int OFFSET_NORMAL
- Fields inherited from class jv.object.PsObject
  HAS_BOUNDARY_PANEL, HAS_CONFIG_PANEL, HAS_INFO_PANEL, HAS_LABEL_PANEL, HAS_MATERIAL_PANEL, HAS_TEXTURE_PANEL, HAS_VECTOR_PANEL, INSPECTOR_INFO, INSPECTOR_INFO_EXT, IS_DELETED, IS_FIXED, IS_FOCUSSED, IS_PICKED, IS_SELECTED, IS_USED, NUM_TAGS
- Fields inherited from interface jv.project.PgGeometryIf
  AMBIENT_H2_HYPERBOLIC, AMBIENT_H3_HYPERBOLIC, AMBIENT_H4_HYPERBOLIC, AMBIENT_PROJECTIONS, AMBIENT_R1_EUCLIDEAN, AMBIENT_R2_EUCLIDEAN, AMBIENT_R3_EUCLIDEAN, AMBIENT_R4_EUCLIDEAN, AMBIENT_R5_EUCLIDEAN, AMBIENT_S1_SPHERE, AMBIENT_S2_SPHERE, AMBIENT_S3_SPHERE, AMBIENT_S4_SPHERE, AMBIENT_SPACES, BLEND_ALPHA, BLEND_MATERIAL, BLEND_REPLACE, FILTER_DIRECT, FILTER_LINEAR, FILTER_QUADRATIC, HAS_METHOD_MENU, INSPECTOR_CONTROL, INSPECTOR_CONTROL_EXT, INSPECTOR_MATERIAL, INSPECTOR_MATERIAL_EXT, INSPECTOR_TEXTURE, INSPECTOR_TEXTURE_EXT, LABEL_BASE, LABEL_CENTER, LABEL_HEAD, LABEL_MIDDLE, LABEL_TAIL, LABEL_TOP, m_numLabelTypes, METHOD_EXT, PERIODIC_BOTH, PERIODIC_HEIGHT, PERIODIC_NONE, PERIODIC_WIDTH, PROJ_KLEIN_BALL, PROJ_PARALLEL, PROJ_POINCARE_BALL, PROJ_STEREOGRAPHIC, PROJ_UPPER_HALFSPACE, SIDE_BACK, SIDE_BOTH, SIDE_FRONT, SIDE_NONE

Fields
Modifier and Type	Field and Description
`static int`	`BINORMAL`
`static int`	`CURVATURE_NORMAL`
`static int`	`NORMAL`
`static int`	`OFFSET_NORMAL`

Constructor Summary

Constructors
Constructor and Description
`PgPolygonSet()` Constructor of a polygon set in three-dimensional space.
`PgPolygonSet(int aVertexDim)` Constructor of a polygon set in a space of given dimension.

Method Summary

Methods
Modifier and Type	Method and Description
`int`	`addPolygon(PiVector poly)` Add new polygon to the end of the polygon list.
`boolean`	`applyModelingMatrix()` Multiply the modeling matrix to all vertices and vectors.
`boolean`	`assureDimOfPolygons()` Assure correctness of value m_dimOfPolygons specifying the number of vertices per polygon.
`void`	`assurePolygonColors()` Assures respectively allocates correct length of polygon color array.
`void`	`assurePolygonNormals()` Assures respectively allocates correct length of polygon normal array.
`void`	`assurePolygonSizes()` Assures respectively allocates correct length of polygon size vector.
`boolean`	`blend(double s, PgGeometry ag, double t, PgGeometry bg)` Blend between two polygon sets using `this = sag + tbg`.
`void`	`clearTagPolygon(int ind, int aTag)` Clear a single tag of a polygon.
`java.lang.Object`	`clone()` Duplicate geometry by recursively cloning all instance variables except inspector panels and lists of registered listeners.
`static PgPolygonSet`	`convert(PgPolygon poly)` Convert a PgPolygon into a PgPolygonSet.
`void`	`copy(PsObject object)` Copy instance variables by duplication, not by copying a reference.
`void`	`copyPolygonSet(PgPolygonSet geom)` Copy instance variables of this class but not of the superclass.
`void`	`flipOrientation()` Change orientation of the polygon, i.e. the end point becomes the first point.
`int`	`getDimOfPolygons()` Retrieve number of vertices per polygon, if it is the same for all polygons, otherwise return -1.
`int[]`	`getFVector()` Compute F-vector that is the number of points, edges, faces, etc.
`java.awt.Color`	`getGlobalPolygonColor()` Get global polygon color which is used if no local colors are available.
`java.awt.Color`	`getGlobalPolygonNormalColor()` Get global element color which is used if no local colors are available.
`double`	`getGlobalPolygonNormalLength()` Get length factor of normal vectors when drawn in display.
`double`	`getGlobalPolygonNormalSize()` Get thickness in pixels of normals when drawn in display.
`double`	`getGlobalPolygonSize()` Get thickness in pixels of polygon when drawn in display.
`java.awt.Color`	`getGlobalPolygonTagColor()` Get global color of tagged polygons.
`PgJvxSrc`	`getJvx()` Fills a geometry object with data from this instance, for example, to print to file.
`double`	`getLength()` Compute total length of all polygons.
`double`	`getLengthOfPolygon(int ind)` Compute length of a single polygon with given index.
`int`	`getMaxDimOfPolygons()` Get maximal number of vertices appearing in a polygon.
`int`	`getMaxNumPolygons()` Get total length of allocated polygon array.
`int`	`getNumEdges()` Calculate total number of edges of all polygons.
`int`	`getNumPolygons()` Get number of polygons in vertex array.
`PiVector`	`getPolygon(int ind)` Get a reference to an individual polygon array with vertex indices.
`PgPolygon`	`getPolygonAsPgPolygon(int polyId)` Get the specified polygon from a polygon set as PgPolygon.
`java.awt.Color`	`getPolygonColor(int ind)` Get a reference to an individual polygon color.
`java.awt.Color[]`	`getPolygonColors()` Get color array for read and write access, but do not modify the size of any color vector.
`PdVector`	`getPolygonNormal(int ind)` Get a reference to an individual polygon normal.
`PdVector[]`	`getPolygonNormals()` Get polygon normal array for read and write access, but do not modify the size of any normal vector.
`PiVector[]`	`getPolygons()` Get polygon array for read and write access.
`double`	`getPolygonSize(int ind)` Get size of a single polygon.
`PdVector`	`getPolygonSizes()` Get polygon size array for read and write access.
`PdVector[]`	`getPolygonVertices(int ind)` Get an array with pointers to all vertices of an polygon.
`int`	`getPolygonWithVertex(int vertexInd)` Find first polygon referencing a given vertex.
`double`	`getVertexAngle(int ind, int locInd)` Compute angle at vertex of polygon.
`boolean`	`hasPolygonColors()` Check if polygon colors have been allocated.
`boolean`	`hasPolygonNormals()` Check if polygon normals have been allocated.
`boolean`	`hasPolygonSizes()` Check if polygon sizes have been allocated.
`boolean`	`hasTagPolygon(int ind, int aTag)` Check whether polygon has given tag.
`void`	`init()` Initialize and reset instance variables after call to super.init().
`PvPickEvent`	`intersectionWithLine(PdVector rayBaseWorld, PdVector rayDirWorld)` Find intersection of polygon set with a given ray.
`boolean`	`isClosed(int ind)` Check whether polygon is closed, i.e.if endpoints are identical.
`boolean`	`isShowingEdgeColorFromVertices()` Determines whether smooth edge coloring uses vertex colors at vertices, requires vertex colors.
`boolean`	`isShowingEdgeFromVertexColors()` Deprecated. since JavaView 3.96.031, use #isShowingEdgeColorFromVertices()
`boolean`	`isShowingEdgeLabels()` Determine whether showing of edge labels is enabled.
`boolean`	`isShowingPolygonColors()` Set flag to enable drawing of polygon colors.
`boolean`	`isShowingPolygonEndArrow()` Determines whether drawing of arrow at last point of polygon is enabled.
`boolean`	`isShowingPolygonLabels()` Determine whether showing of polygon labels is enabled.
`boolean`	`isShowingPolygonNormalArrow()` Determines whether drawing of arrow of polygon normals is enabled.
`boolean`	`isShowingPolygonNormals()` Set flag to enable drawing of polygon normals.
`boolean`	`isShowingPolygons()` Set flag to enable drawing of polygons.
`boolean`	`isShowingPolygonSizes()` Set flag to enable usage of polygon sizes.
`boolean`	`isShowingPolygonStartArrow()` Determines whether drawing of arrow at first point of polygon is enabled.
`boolean`	`isShowingSmoothEdgeColors()` Determines whether smooth coloring of polygons is enabled, currently requires vertex colors.
`boolean`	`isShowingSmoothLighting()` Determines whether smooth lighting is enabled, requires vertex normals.
`boolean`	`isShowingTaggedPolygons()` Determine whether showing of tagged polygons is enabled.
`void`	`makeBiNormals()` Compute binormals at vertices which are orthogonal to both adjacent edges.
`void`	`makeCurvatureNormals()` Compute normals at vertices as edge bisectors with length equal to (Pi-vertexAngle).
`void`	`makeNormals()` Deprecated. since JavaView 3.50.002, use makeVertexNormals().
`void`	`makeNormals(int type, double length)` Compute normals at vertices which lie in the span of the adjacent edges.
`void`	`makeOffsetNormals()` Compute normals at vertices as edge bisectors whose tip lies on an offset==1 curve.
`boolean`	`makePolygonColorsFromLength()` Create polygon color from the polygon length ranging through hue rainbow.
`boolean`	`makePolygonColorsFromXYZ()` Create color from the edge position within its bounding box which is interpreted as RGB cube.
`boolean`	`makePolygonColorsFromZ()` Create color from the vertical z-height within its bounding box ranging from low blue to high red.
`boolean`	`makePolygonColorsFromZHue()` Create color from the vertical z-height within its bounding box ranging through hue rainbow.
`boolean`	`makePolygonFromVertexColors()` Create polygon colors as average of the color of its vertices.
`boolean`	`makeVertexColorsFromLength()` Create vertex color from the polygon length ranging through hue rainbow.
`boolean`	`makeVertexFromPolygonColors()` Create vertex colors as average of color of all adjacent polygons.
`boolean`	`makeVertexNormals()` Compute normals at vertices as edge bisectors with unit length.
`boolean`	`merge(PgGeometryIf aGeom)` Merge polygon set with current object and store union of both objects in 'this'.
`void`	`paint(PvGeometryIf dc)` Major rendering method fills an internal container class supplied by the display.
`int[]`	`removeMarkedPolygons()` Remove all polygons which have been marked `PsObject.IS_DELETED`.
`int[]`	`removeMarkedVertices()` Remove vertices marked with tag PsObject#IS_DELETED from polygons.
`int[]`	`removePolygon(int ind)` Remove polygon with given index, and decrement index of all polygons with higher index.
`void`	`removePolygonColors()` Remove local polygon colors from a geometry and use global polygon color instead.
`void`	`removePolygonNormals()` Remove local polygon normals from a geometry.
`void`	`removePolygonSizes()` Remove polygon sizes from a geometry.
`boolean`	`removeUnusedVertices()` Remove all points not referenced by polygons.
`boolean`	`setClosed(int ind, boolean flag)` Close a polygon such that first and last vertex are identical.
`void`	`setDimOfColors(int aSize)` Let all colors have same number of components `aSize<>0`.
`void`	`setDimOfPolygons(int aSize)` Let all polygons have same number of vertices `aSize<>0`, or individual `aSize=-1`.
`void`	`setDimOfVectors(int aSize)` Let all vectors have same number of vectors `aSize<>0`.
`void`	`setDimOfVertices(int dim)` Set dimension of vertices.
`void`	`setGlobalPolygonColor(java.awt.Color color)` Set global polygon color to be used if no local colors are available.
`void`	`setGlobalPolygonNormalColor(java.awt.Color color)` Set global normal color to be used if no local colors are available.
`void`	`setGlobalPolygonNormalLength(double length)` Get length factor of normal vectors when drawn in display.
`void`	`setGlobalPolygonNormalSize(double size)` Get thickness in pixels of normals when drawn in display.
`void`	`setGlobalPolygonSize(double size)` Set thickness in pixels of polygon when drawn in display.
`void`	`setGlobalPolygonTagColor(java.awt.Color color)` Set global color of tagged polygons.
`void`	`setJvx(PgJvxSrc src)` Fill this instance with data from a geometry source, for example, previously read from file.
`void`	`setMaxNumPolygons(int numPolygons)` Allocate given number of polygons, and allocate normals, colors etc.
`void`	`setNumPolygons(int numPolygons)` Allocate given number of polygons, and allocate normals, colors etc.
`void`	`setPolygon(int ind, int a, int b)` Copy new vertex indices to polygon at specified position in the polygon list.
`boolean`	`setPolygon(int ind, PiVector aPolygon)` Set index vector of polygon with given index.
`boolean`	`setPolygonColor(int ind, java.awt.Color aColor)` Copy new color to polygon color at specified position in the color list
`void`	`setPolygonColors(java.awt.Color[] color)` Copy polygon colors of list to existing array of polygon colors.
`boolean`	`setPolygonNormal(int ind, PdVector aNormal)` Copy new normal to polygon normal at specified position in the normal list
`void`	`setPolygonNormals(PdVector[] normal)` Copy polygon normals of list to existing array of polygon normals.
`void`	`setPolygons(PiVector[] polygon)` Copy all polygons of polygon list to existing array of polygons.
`boolean`	`setPolygonSize(int ind, double size)` Set the thickness of the given polygon.
`void`	`setPolygonSizes(PdVector size)` Copy polygon sizes of list to existing array of polygon sizes.
`boolean`	`setPolygonVertices(int ind, PdVector[] vArray)` Copy new polygon vertices to polygon at specified position in the polygon list.
`void`	`setSizeOfPolygon(int ind, int aSize)` Set number of vertices of a specific polygon.
`void`	`setTagPolygon(int ind, int aTag)` Set a tag of a polygon.
`void`	`showEdgeColorFromVertices(boolean flag)` Set flag to enable smooth edge coloring using vertex colors at vertices, requires vertex colors.
`void`	`showEdgeFromVertexColors(boolean flag)` Deprecated. since JavaView 3.96.031, use #showEdgeColorFromVertices(boolean)
`void`	`showEdgeLabels(boolean flag)` Set flag to enable drawing of edge labels in display.
`void`	`showPolygonColors(boolean flag)` Set flag to enable drawing of polygon colors.
`void`	`showPolygonEndArrow(boolean flag)` Set flag to enable drawing of arrow at last point of polygons.
`void`	`showPolygonLabels(boolean flag)` Set flag to enable drawing of polygon labels in display.
`void`	`showPolygonNormalArrow(boolean flag)` Set flag to enable drawing of arrow of polygon normal.
`void`	`showPolygonNormals(boolean flag)` Set flag to enable drawing of polygon normals.
`void`	`showPolygons(boolean flag)` Set flag to enable drawing of polygons.
`void`	`showPolygonSizes(boolean flag)` Set flag to enable usage of individual polygon sizes.
`void`	`showPolygonStartArrow(boolean flag)` Set flag to enable drawing of arrow at first point of polygons.
`void`	`showSmoothEdgeColors(boolean flag)` Set flag to enable smooth coloring of edges, currently requires vertex colors.
`void`	`showSmoothLighting(boolean flag)` Set flag to enable smooth lighting, requires vertex normals.
`void`	`showTaggedPolygons(boolean flag)` Set flag to enable drawing of tagged polygons.
`java.lang.String`	`toString()` Create a multi-line string representation with detailed information about all instance variables.
`PiVector[]`	`triangulate()` The method triangulates the polygon patches by successively removing the vertex with the smallest interior angle.
`boolean`	`update(java.lang.Object event)` Update the class whenever a child has changed.
`void`	`useGlobalPolygonColor(boolean flag)` Deprecated. use showPolygonColors(boolean)

Methods inherited from class jv.geom.PgPointSet
addGeometryItem, addVectorField, addVertex, applyAmbientMatrix, assureVertexColors, assureVertexNormals, assureVertexSizes, assureVertexTextures, clearTagVertex, computeCone, computeCylinder, computeDisk, computePlane, computeRotation, computeSnail, computeSphere, computeTorus, getAmbientBounds, getBounds, getCenterOfBndBox, getCenterOfGravity, getDimOfColors, getDimOfTextures, getDimOfVectors, getEulerCharacteristic, getGlobalVectorColor, getGlobalVectorLength, getGlobalVectorSize, getGlobalVertexColor, getGlobalVertexNormalColor, getGlobalVertexNormalLength, getGlobalVertexNormalSize, getGlobalVertexSize, getGlobalVertexTagColor, getIndexOfVectorField, getMarkedVertices, getMaxNumVertices, getNumVectorFields, getNumVertices, getSelectedVectorField, getShininess, getSpecularColor, getTexture, getTextureImage, getTextureImageName, getTransparency, getVectorField, getVectorField, getVertex, getVertexColor, getVertexColors, getVertexNormal, getVertexNormals, getVertexSize, getVertexSizes, getVertexTexture, getVertexTextures, getVertices, hasTagVertex, hasVertex, hasVertex, hasVertexColors, hasVertexNormals, hasVertexSizes, hasVertexTextures, isDefaultLabelEnabled, isEnabledIndexLabels, isShowingIndices, isShowingSingleVectorField, isShowingTaggedVertices, isShowingTransparency, isShowingVectorArrow, isShowingVectorArrows, isShowingVectorColors, isShowingVectorField, isShowingVectorFields, isShowingVertexColors, isShowingVertexLabels, isShowingVertexNormalArrow, isShowingVertexNormals, isShowingVertexOutline, isShowingVertexSizes, isShowingVertexTexture, isShowingVertices, makeColorFromVectorLength, makeQuadrVertexTexture, makeVertexColorsFromXYZ, makeVertexColorsFromZ, makeVertexColorsFromZHue, makeVertexTextureFromBndBox, makeVertexTextureFromCylinder, makeVertexTextureFromSphere, makeVertexTextureFromUV, projectFromAmbientSpace, projectToSphere, reflect, removeAllVectorFields, removeHiddenVectorFields, removeTexture, removeVectorField, removeVertex, removeVertexColors, removeVertexNormals, removeVertexSizes, scale, scale, selectVectorField, setCenterOfBndBox, setDefaultLabelEnabled, setDimOfTextures, setEnabledIndexLabels, setGlobalVectorColor, setGlobalVectorLength, setGlobalVectorSize, setGlobalVertexColor, setGlobalVertexNormalColor, setGlobalVertexNormalLength, setGlobalVertexNormalSize, setGlobalVertexSize, setGlobalVertexSize, setGlobalVertexTagColor, setMaxNumVertices, setNumVertices, setShininess, setSpecularColor, setState, setTagVertex, setTexture, setTextureImage, setTextureImageName, setTransparency, setVertex, setVertex, setVertex, setVertex, setVertexColor, setVertexColors, setVertexNormal, setVertexNormals, setVertexSize, setVertexSizes, setVertexTexture, setVertexTextures, setVertices, showIndices, showSingleVectorField, showTaggedVertices, showTransparency, showVectorArrow, showVectorArrows, showVectorColors, showVectorField, showVectorFields, showVertexColors, showVertexLabels, showVertexNormalArrow, showVertexNormals, showVertexOutline, showVertexSizes, showVertexTexture, showVertices, translate

Methods inherited from class jv.project.PgGeometry
addDisplay, addElement, clearTagElement, convertWorldToModel, fillMethodMenu, fillMethodMenu, getAmbientInvMatrix, getAmbientMatrix, getAmbientProjection, getAmbientSpace, getAuthorInfo, getAuthors, getCenter, getCenterOfElement, getControlPanel, getDiameter, getDimOfSimplex, getDimOfVertices, getDisplayList, getDisplays, getElement, getGeometryInfo, getLabelAttribute, getLabelColor, getLabelFont, getLabelSize, getLabelStyle, getMaterialPanel, getModelMatrix, getState, getTitle, getType, getVersion, getVersionType, hasAmbientMatrix, hasDisplay, hasModelMatrix, hasTagElement, isConfigurable, isEnabledInstanceSharing, isShowingBndBox, isShowingCenter, isShowingName, isShowingTitle, isVisible, removeDisplay, removeElement, removeMethodMenus, setAmbientMatrix, setAmbientProjection, setAmbientSpace, setAuthorInfo, setAuthors, setCenter, setDimOfSimplex, setElement, setEnabledInstanceSharing, setGeometryInfo, setLabelAttribute, setLabelAttribute, setLabelColor, setLabelFont, setLabelSize, setLabelStyle, setModelMatrix, setTagElement, setTitle, setType, setVersion, setVersionType, setVisible, showBndBox, showCenter, showName, showTitle

Methods inherited from class jv.object.PsObject
addInspector, addUpdateListener, assureInspector, clearTag, clone, clone, getFather, getInfoPanel, getInspector, getName, getNumObjects, getSymbol, hasInspector, hasTag, hasUpdateListener, instanceOf, instanceOf, newInspector, newInspector, removeInspector, removeInspector, removeUpdateListener, setName, setParent, setSymbol, setTag, updatePanels

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface jv.project.PgGeometryIf
assureInspector, getInfoPanel, getName, hasTag, setName

Methods inherited from interface jv.object.PsUpdateIf
getFather, setParent

- Field Detail
  - NORMAL
```
public static final int NORMAL
```
    See Also:
    Constant Field Values
  - BINORMAL
```
public static final int BINORMAL
```
    See Also:
    Constant Field Values
  - OFFSET_NORMAL
```
public static final int OFFSET_NORMAL
```
    See Also:
    Constant Field Values
  - CURVATURE_NORMAL
```
public static final int CURVATURE_NORMAL
```
    See Also:
    Constant Field Values
- Constructor Detail
  - PgPolygonSet
```
public PgPolygonSet()
```
    Constructor of a polygon set in three-dimensional space.
  - PgPolygonSet
```
public PgPolygonSet(int aVertexDim)
```
    Constructor of a polygon set in a space of given dimension.
- Method Detail
  - init
```
public void init()
```
    Initialize and reset instance variables after call to super.init().
    
    Overrides:
    
    init in class PgPointSet
  - getJvx
```
public PgJvxSrc getJvx()
```
    Fills a geometry object with data from this instance, for example, to print to file.
    
    Specified by:
    
    getJvx in interface PgGeometryIf
    
    Overrides:
    
    getJvx in class PgPointSet
    
    Returns:
    src a geometry source to be filled with data from this instance.
  - setJvx
```
public void setJvx(PgJvxSrc src)
```
    Fill this instance with data from a geometry source, for example, previously read from file.
    
    Specified by:
    
    setJvx in interface PgGeometryIf
    
    Overrides:
    
    setJvx in class PgPointSet
    
    Parameters:
    src - a geometry source used to fill this instance with data.
  - clone
```
public java.lang.Object clone()
```
    Duplicate geometry by recursively cloning all instance variables except inspector panels and lists of registered listeners. The parent relationship is maintained only within this class but not to external classes. In general, all links of the clone to external objects are set to null.
    
    Specified by:
    
    clone in interface PgGeometryIf
    
    Overrides:
    
    clone in class PgPointSet
    
    See Also:
    copy(PsObject)
  - copy
```
public void copy(PsObject object)
```
    Copy instance variables by duplication, not by copying a reference.
    The argument was changed from PgGeometry to PsObject since there were problems in J/Link which preferred to use jv.object.PsObject#copy(PsObject) instead of jv.project.PgGeometry#copy(PsObject).
    
    Overrides:
    
    copy in class PgPointSet
    
    See Also:
    clone()
  - copyPolygonSet
```
public void copyPolygonSet(PgPolygonSet geom)
```
    Copy instance variables of this class but not of the superclass.
  - toString
```
public java.lang.String toString()
```
    Create a multi-line string representation with detailed information about all instance variables.
    
    Specified by:
    
    toString in interface PgGeometryIf
    
    Overrides:
    
    toString in class PgPointSet
  - update
```
public boolean update(java.lang.Object event)
```
    Update the class whenever a child has changed. Method is usually invoked from the children.
    
    Specified by:
    
    update in interface PsUpdateIf
    
    Overrides:
    
    update in class PgPointSet
    
    Parameters:
    event - carries a lot of information
    
    Returns:
    true if event has been handled, otherwise false
    See Also:
    PsObject.setParent(PsUpdateIf), PsObject.getFather(), PsObject.addUpdateListener(PsUpdateIf)
  - applyModelingMatrix
```
public boolean applyModelingMatrix()
```
    Multiply the modeling matrix to all vertices and vectors. The modeling matrix of this geometry is set to the identity matrix.
    
    Overrides:
    
    applyModelingMatrix in class PgPointSet
    
    Returns:
    true if operation was applied successfully.
    Since:
    
    JavaView 2.36
  - getGlobalPolygonColor
```
public java.awt.Color getGlobalPolygonColor()
```
    Get global polygon color which is used if no local colors are available.
  - getGlobalPolygonTagColor
```
public java.awt.Color getGlobalPolygonTagColor()
```
    Get global color of tagged polygons.
  - getGlobalPolygonSize
```
public double getGlobalPolygonSize()
```
    Get thickness in pixels of polygon when drawn in display.
  - getGlobalPolygonNormalColor
```
public java.awt.Color getGlobalPolygonNormalColor()
```
    Get global element color which is used if no local colors are available.
  - getGlobalPolygonNormalLength
```
public double getGlobalPolygonNormalLength()
```
    Get length factor of normal vectors when drawn in display.
  - getGlobalPolygonNormalSize
```
public double getGlobalPolygonNormalSize()
```
    Get thickness in pixels of normals when drawn in display.
  - setGlobalPolygonColor
```
public void setGlobalPolygonColor(java.awt.Color color)
```
    Set global polygon color to be used if no local colors are available.
  - setGlobalPolygonTagColor
```
public void setGlobalPolygonTagColor(java.awt.Color color)
```
    Set global color of tagged polygons.
  - setGlobalPolygonSize
```
public void setGlobalPolygonSize(double size)
```
    Set thickness in pixels of polygon when drawn in display.
  - setGlobalPolygonNormalColor
```
public void setGlobalPolygonNormalColor(java.awt.Color color)
```
    Set global normal color to be used if no local colors are available.
  - setGlobalPolygonNormalLength
```
public void setGlobalPolygonNormalLength(double length)
```
    Get length factor of normal vectors when drawn in display.
  - setGlobalPolygonNormalSize
```
public void setGlobalPolygonNormalSize(double size)
```
    Get thickness in pixels of normals when drawn in display.
  - addPolygon
```
public int addPolygon(PiVector poly)
```
    Add new polygon to the end of the polygon list. Method just calls setPolygon(numPolygons, PiVector).
    
    Specified by:
    
    addPolygon in interface PgGeometryIf
    
    Overrides:
    
    addPolygon in class PgGeometry
    
    Parameters:
    poly - polygon to be added to polygon list
    
    Returns:
    index of added polygon in polygon list
  - getPolygons
```
public PiVector[] getPolygons()
```
    Get polygon array for read and write access. Also note, that the actual size of the array may be larger than m_numPolygons for efficiency reasons. Therefore, do not use length of array.
  - getPolygonColors
```
public java.awt.Color[] getPolygonColors()
```
    Get color array for read and write access, but do not modify the size of any color vector.
  - getPolygonNormals
```
public PdVector[] getPolygonNormals()
```
    Get polygon normal array for read and write access, but do not modify the size of any normal vector.
  - getPolygonSizes
```
public PdVector getPolygonSizes()
```
    Get polygon size array for read and write access.
  - isShowingEdgeLabels
```
public boolean isShowingEdgeLabels()
```
    Determine whether showing of edge labels is enabled.
  - isShowingPolygonLabels
```
public boolean isShowingPolygonLabels()
```
    Determine whether showing of polygon labels is enabled.
  - isShowingPolygons
```
public boolean isShowingPolygons()
```
    Set flag to enable drawing of polygons.
  - isShowingPolygonColors
```
public boolean isShowingPolygonColors()
```
    Set flag to enable drawing of polygon colors.
  - isShowingPolygonNormals
```
public boolean isShowingPolygonNormals()
```
    Set flag to enable drawing of polygon normals.
  - isShowingPolygonSizes
```
public boolean isShowingPolygonSizes()
```
    Set flag to enable usage of polygon sizes.
  - isShowingPolygonNormalArrow
```
public boolean isShowingPolygonNormalArrow()
```
    Determines whether drawing of arrow of polygon normals is enabled.
  - isShowingPolygonStartArrow
```
public boolean isShowingPolygonStartArrow()
```
    Determines whether drawing of arrow at first point of polygon is enabled.
  - isShowingPolygonEndArrow
```
public boolean isShowingPolygonEndArrow()
```
    Determines whether drawing of arrow at last point of polygon is enabled.
  - isShowingTaggedPolygons
```
public boolean isShowingTaggedPolygons()
```
    Determine whether showing of tagged polygons is enabled.
  - showTaggedPolygons
```
public void showTaggedPolygons(boolean flag)
```
    Set flag to enable drawing of tagged polygons.
  - showEdgeLabels
```
public void showEdgeLabels(boolean flag)
```
    Set flag to enable drawing of edge labels in display.
  - showPolygonLabels
```
public void showPolygonLabels(boolean flag)
```
    Set flag to enable drawing of polygon labels in display.
  - showPolygons
```
public void showPolygons(boolean flag)
```
    Set flag to enable drawing of polygons.
  - showPolygonColors
```
public void showPolygonColors(boolean flag)
```
    Set flag to enable drawing of polygon colors.
  - showPolygonNormals
```
public void showPolygonNormals(boolean flag)
```
    Set flag to enable drawing of polygon normals.
  - showPolygonSizes
```
public void showPolygonSizes(boolean flag)
```
    Set flag to enable usage of individual polygon sizes.
  - showPolygonNormalArrow
```
public void showPolygonNormalArrow(boolean flag)
```
    Set flag to enable drawing of arrow of polygon normal.
  - showPolygonStartArrow
```
public void showPolygonStartArrow(boolean flag)
```
    Set flag to enable drawing of arrow at first point of polygons.
  - showPolygonEndArrow
```
public void showPolygonEndArrow(boolean flag)
```
    Set flag to enable drawing of arrow at last point of polygons.
  - useGlobalPolygonColor
```
public void useGlobalPolygonColor(boolean flag)
```
    Deprecated. use showPolygonColors(boolean)
    
    Set flag of using global polygon color instead of coloring each polygon individually.
  - getMaxNumPolygons
```
public int getMaxNumPolygons()
```
    Get total length of allocated polygon array. Usually, only a subset is filled with data. Method is for internal use, see getNumPolygons() for daily work.
  - setMaxNumPolygons
```
public void setMaxNumPolygons(int numPolygons)
```
    Allocate given number of polygons, and allocate normals, colors etc. if they already exist. All polygon allocation is done in this method. Method should not be called directly unless a specific allocation is required. Usually, a user would specify the number of elements via setNumPolygons().
  - getNumPolygons
```
public int getNumPolygons()
```
    Get number of polygons in vertex array. Note, that the actual size of the polygon array may be larger for efficiency reasons. Therefore, do not use m_polygon.length.
  - setNumPolygons
```
public void setNumPolygons(int numPolygons)
```
    Allocate given number of polygons, and allocate normals, colors etc. if they already exist. Internally, there may exist more polygons than requested serving as buffer and to reduce allocation times.
  - setSizeOfPolygon
```
public void setSizeOfPolygon(int ind,
                    int aSize)
```
    Set number of vertices of a specific polygon. Polygon must exist already, and index of polygon must be in range [0,m_numPolygons-1]. Method may modify instance variable m_dimOfPolygons.
    
    Parameters:
    ind - Index of polygon.
    aSize - Number of vertices given polygon.
    See Also:
    setNumPolygons(int)
  - setDimOfVertices
```
public void setDimOfVertices(int dim)
```
    Set dimension of vertices. Make rare use, and try to assign dimension of vertices already in the constructor.
    
    Overrides:
    
    setDimOfVertices in class PgPointSet
  - setDimOfPolygons
```
public void setDimOfPolygons(int aSize)
```
    Let all polygons have same number of vertices aSize<>0, or individual aSize=-1. It is more efficient to call method before setNumPolygons().
    
    Parameters:
    aSize - Number of vertices for all polygons.
    See Also:
    setNumPolygons(int)
  - getMaxDimOfPolygons
```
public int getMaxDimOfPolygons()
```
    Get maximal number of vertices appearing in a polygon. Method returns the same value as getDimOfPolygons() if all polygons have the same size.
    
    Since:
    
    JavaView 2.84.000
    
    See Also:
    getDimOfPolygons()
  - getDimOfPolygons
```
public int getDimOfPolygons()
```
    Retrieve number of vertices per polygon, if it is the same for all polygons, otherwise return -1. Note: this check does not include the size of polygons with index in {m_numPolygons, m_maxNumPolygons-1}.
    
    See Also:
    setDimOfPolygons(int)
  - assureDimOfPolygons
```
public boolean assureDimOfPolygons()
```
    Assure correctness of value m_dimOfPolygons specifying the number of vertices per polygon.
    
    Returns:
    true if m_dimOfPolygons had the correct value. Note: this check does not include the size of polygons with index in {m_numPolygons, m_maxNumPolygons-1}.
    See Also:
    setDimOfPolygons(int)
  - setDimOfColors
```
public void setDimOfColors(int aSize)
```
    Let all colors have same number of components aSize<>0.
    
    Overrides:
    
    setDimOfColors in class PgPointSet
    
    Parameters:
    aSize - Number of components of each color vector.
  - setDimOfVectors
```
public void setDimOfVectors(int aSize)
```
    Let all vectors have same number of vectors aSize<>0. It is more efficient to call method before setNumVertices().
    
    Overrides:
    
    setDimOfVectors in class PgPointSet
    
    Parameters:
    aSize - Number of coordinates of each vertex.
    See Also:
    PgPointSet.setDimOfVectors(int)
  - hasPolygonColors
```
public boolean hasPolygonColors()
```
    Check if polygon colors have been allocated.
    
    See Also:
    assurePolygonColors()
  - hasPolygonNormals
```
public boolean hasPolygonNormals()
```
    Check if polygon normals have been allocated.
    
    See Also:
    assurePolygonNormals()
  - hasPolygonSizes
```
public boolean hasPolygonSizes()
```
    Check if polygon sizes have been allocated.
    
    See Also:
    assurePolygonSizes()
  - assurePolygonColors
```
public void assurePolygonColors()
```
    Assures respectively allocates correct length of polygon color array. Length of array is equal to length of polygon array.
  - assurePolygonNormals
```
public void assurePolygonNormals()
```
    Assures respectively allocates correct length of polygon normal array. Length of array is equal to length of polygon array. Dimension of normal vectors is equal to dimension of vertices.
  - assurePolygonSizes
```
public void assurePolygonSizes()
```
    Assures respectively allocates correct length of polygon size vector. Length of vector is equal to length of polygon array. Dimension of size vector is equal to maximal number of vertices.
    
    Since:
    
    JavaView 3.09
  - paint
```
public void paint(PvGeometryIf dc)
```
    Major rendering method fills an internal container class supplied by the display. See jv.project.PgGeometryIf for detailed information.
    
    Specified by:
    
    paint in interface PgGeometryIf
    
    Overrides:
    
    paint in class PgPointSet
    
    See Also:
    PgGeometryIf
  - removeMarkedVertices
```
public int[] removeMarkedVertices()
```
    Remove vertices marked with tag PsObject#IS_DELETED from polygons. It is neccessary to keep a valid polygon set after removal of vertices in the superclass.
    Polygons with no or one remaining vertice are removed.
    
    Overrides:
    
    removeMarkedVertices in class PgPointSet
    
    Returns:
    array with indices of new positions of vertices
    See Also:
    PgPointSet.removeMarkedVertices()
  - removePolygon
```
public int[] removePolygon(int ind)
```
    Remove polygon with given index, and decrement index of all polygons with higher index. Method just marks polygon with tag PsObject.IS_DELETED and invokes removeMarkedPolygons().
    
    Specified by:
    
    removePolygon in interface PgGeometryIf
    
    Overrides:
    
    removePolygon in class PgGeometry
    
    Parameters:
    ind - index of polygon to be removed
    
    Returns:
    array with indices of new positions of polygons
  - removeMarkedPolygons
```
public int[] removeMarkedPolygons()
```
    Remove all polygons which have been marked PsObject.IS_DELETED. First, the method computes where each polygon is moved to, then all polygon data is moved and the references to the polygon in bnd curves is changed. This routine is O(n).
    Method assumes that there exist no references to marked polygons. Otherwise application of this method would lead to upredictable results.
    
    Returns:
    array with indices of new positions of polygons
  - removeUnusedVertices
```
public boolean removeUnusedVertices()
```
    Remove all points not referenced by polygons. First, the method computes where each point is moved to, then all point data is moved and the vertex indices are changed. This routine is O(n).
    
    Returns:
    true if method was successfull
  - merge
```
public boolean merge(PgGeometryIf aGeom)
```
    Merge polygon set with current object and store union of both objects in 'this'. Number of points and polygons is the sum of both objects.
    The merged geometry will local colors allocated and assignd if
```
                1. both the global color of both geometries are different, or
                2. either geometry has local colors.
 
```
    If local colors are allocated but one of the geometries does not have local colors then its local colors are be assumed to be its global color. The merged geometry will show globalVertexColors if
```
                1. the global color of both geometries is the same, and
                2. both geometries are showing the global color.
 
```
    In all other cases the merged geometry will show local colors. The global color of the merged geometry is never changed.
    Specified by:
    
    merge in interface PgGeometryIf
    
    Overrides:
    
    merge in class PgPointSet
    
    Parameters:
    aGeom - Polygon set to be merged into 'this'
    
    Returns:
    true if method was successfull
  - getPolygonWithVertex
```
public int getPolygonWithVertex(int vertexInd)
```
    Find first polygon referencing a given vertex.
  - clearTagPolygon
```
public void clearTagPolygon(int ind,
                   int aTag)
```
    Clear a single tag of a polygon. For possible tags see PvGeometryIf.
    
    Specified by:
    
    clearTagPolygon in interface PgGeometryIf
    
    Overrides:
    
    clearTagPolygon in class PgGeometry
  - hasTagPolygon
```
public boolean hasTagPolygon(int ind,
                    int aTag)
```
    Check whether polygon has given tag. For possible tags see PvGeometryIf.
    
    Specified by:
    
    hasTagPolygon in interface PgGeometryIf
    
    Overrides:
    
    hasTagPolygon in class PgGeometry
  - setTagPolygon
```
public void setTagPolygon(int ind,
                 int aTag)
```
    Set a tag of a polygon. For possible tags see PvGeometryIf.
    
    Specified by:
    
    setTagPolygon in interface PgGeometryIf
    
    Overrides:
    
    setTagPolygon in class PgGeometry
  - getPolygonVertices
```
public PdVector[] getPolygonVertices(int ind)
```
    Get an array with pointers to all vertices of an polygon. Vertices appear in the array in the same order as in the polygon.
    
    Returns:
    Array with vertices, or null if vertices are not available.
  - getPolygon
```
public PiVector getPolygon(int ind)
```
    Get a reference to an individual polygon array with vertex indices.
    
    Specified by:
    
    getPolygon in interface PgGeometryIf
    
    Overrides:
    
    getPolygon in class PgGeometry
    
    Parameters:
    ind - index of polygon to be returned
    
    Returns:
    Vector with indices, or null if index out of range.
  - getPolygonAsPgPolygon
```
public PgPolygon getPolygonAsPgPolygon(int polyId)
```
    Get the specified polygon from a polygon set as PgPolygon. TODO: The missing material properties should be copied to the new polygon.
  - setPolygonVertices
```
public boolean setPolygonVertices(int ind,
                         PdVector[] vArray)
```
    Copy new polygon vertices to polygon at specified position in the polygon list. Destination polygon must already exists.
    
    Parameters:
    ind - index of polygon
    vArray - array with new coordinates of polygon vertices
    
    Returns:
    boolean false, if index out of range, or argument missing
  - setPolygon
```
public void setPolygon(int ind,
              int a,
              int b)
```
    Copy new vertex indices to polygon at specified position in the polygon list. Number of polygons is increased if required. Dimension of polygons is adjusted if necessary.
    
    Parameters:
    ind - index of polygon
    a - index of first vertex of new polygon edge
    b - index of second vertex of new polygon edge
  - setPolygon
```
public boolean setPolygon(int ind,
                 PiVector aPolygon)
```
    Set index vector of polygon with given index. Copy new polygon to polygon at specified position in the polygon list. Number of polygons is increased if required. Size of polygon is adjusted if too small or too large.
    
    Specified by:
    
    setPolygon in interface PgGeometryIf
    
    Overrides:
    
    setPolygon in class PgGeometry
    
    Parameters:
    ind - index of polygon
    aPolygon - array with indices of new polygon
    
    Returns:
    false, if index out of range, or argument missing
  - getPolygonColor
```
public java.awt.Color getPolygonColor(int ind)
```
    Get a reference to an individual polygon color.
    
    Returns:
    Vector with indices, or null if index out of range.
  - setPolygonColor
```
public boolean setPolygonColor(int ind,
                      java.awt.Color aColor)
```
    Copy new color to polygon color at specified position in the color list
    
    Parameters:
    ind - index of polygon
    aColor - color to be copied to color list
    
    Returns:
    false, if index out of range, or argument missing
  - getPolygonNormal
```
public PdVector getPolygonNormal(int ind)
```
    Get a reference to an individual polygon normal.
    
    Returns:
    Vector with indices, or null if index out of range.
  - setPolygonNormal
```
public boolean setPolygonNormal(int ind,
                       PdVector aNormal)
```
    Copy new normal to polygon normal at specified position in the normal list
    
    Parameters:
    ind - index of polygon
    aNormal - normal to be copied to normal list
    
    Returns:
    false, if index out of range, or argument missing
  - getPolygonSize
```
public double getPolygonSize(int ind)
```
    Get size of a single polygon.
    
    Returns:
    Thickness of specified polygon.
  - removePolygonSizes
```
public void removePolygonSizes()
```
    Remove polygon sizes from a geometry.
    Showing of polygon sizes must be switched off explicitly using showPolygonSizes(boolean).
    
    Since:
    
    JavaView 3.09
  - setPolygonSize
```
public boolean setPolygonSize(int ind,
                     double size)
```
    Set the thickness of the given polygon.
    
    Parameters:
    ind - index of polygon
    size - thickness of polygon
    
    Returns:
    false, if index out of range, or argument missing
  - setPolygonSizes
```
public void setPolygonSizes(PdVector size)
```
    Copy polygon sizes of list to existing array of polygon sizes. Length of argument list must be equal or larger than getNumPolygons(). All polygon sizes are copied.
    Showing of polygon sizes must be switched on in order to be visible.
    
    Parameters:
    size - array with new polygon size for all polygons
    Since:
    
    JavaView 3.09
  - setPolygons
```
public void setPolygons(PiVector[] polygon)
```
    Copy all polygons of polygon list to existing array of polygons. Length of argument polygon list must be equal or larger than getNumPolygons(). All polygons are copied.
    
    Parameters:
    polygon - array with new polygons
  - removePolygonColors
```
public void removePolygonColors()
```
    Remove local polygon colors from a geometry and use global polygon color instead.
    Showing of polygon colors must be switched off explicitly using showPolygonColors(boolean).
  - setPolygonColors
```
public void setPolygonColors(java.awt.Color[] color)
```
    Copy polygon colors of list to existing array of polygon colors. Length of argument list must be equal or larger than getNumPolygons(). All polygon colors are copied. The dimension of all argument colors must be equal to getDimOfColors() of the geometry.
    
    Parameters:
    color - array with new polygon colors
  - removePolygonNormals
```
public void removePolygonNormals()
```
    Remove local polygon normals from a geometry.
    Showing of polygon normals must be switched off explicitly using showPolygonColors(boolean).
  - setPolygonNormals
```
public void setPolygonNormals(PdVector[] normal)
```
    Copy polygon normals of list to existing array of polygon normals. Length of argument list must be equal or larger than getNumPolygons(). All polygon normals are copied. The dimension of all argument normals must be equal to getDimOfVectors() of the geometry.
    
    Parameters:
    normal - array with new polygon normals
  - isClosed
```
public boolean isClosed(int ind)
```
    Check whether polygon is closed, i.e.if endpoints are identical.
    
    Returns:
    flag whether polygon is closed, false if index out of bounds
    See Also:
    setClosed(int, boolean)
  - setClosed
```
public boolean setClosed(int ind,
                boolean flag)
```
    Close a polygon such that first and last vertex are identical. Size of polygon increases if end points where different.
    The dimension of the polygon set may be affected when closing multiple polygons of a set. Therefore, this method uses #assureDimOfPolygons to restore the dimension.
    PgPolygonSet does not use a flag since PgPolygonSet uses explicit index vectors to determine the polygon. Therefore, the user may just add the first index at the end of the polygon to close it.
    
    Parameters:
    flag - true ensures identical endpoints of polygons
    
    Returns:
    false if index out of bounds
    See Also:
    isClosed(int)
  - getLengthOfPolygon
```
public double getLengthOfPolygon(int ind)
```
    Compute length of a single polygon with given index.
  - getLength
```
public double getLength()
```
    Compute total length of all polygons.
  - getVertexAngle
```
public double getVertexAngle(int ind,
                    int locInd)
```
    Compute angle at vertex of polygon. If vertex index is 0 or length-1, then angle of closed polygon is taken.
    
    Parameters:
    ind - index of polygon
    locInd - local index of vertex
    
    Returns:
    angle between edges at vertex
  - getNumEdges
```
public int getNumEdges()
```
    Calculate total number of edges of all polygons.
    
    Returns:
    number of edges
  - blend
```
public boolean blend(double s,
            PgGeometry ag,
            double t,
            PgGeometry bg)
```
    Blend between two polygon sets using this = s*ag + t*bg.
    
    Specified by:
    
    blend in interface PgGeometryIf
    
    Overrides:
    
    blend in class PgPointSet
    
    Parameters:
    s - weight of vertices of first geometry
    ag - first geometry used for blending
    t - weight of vertices of second geometry
    bg - second geometry used for blending
    
    Returns:
    true on success
  - intersectionWithLine
```
public PvPickEvent intersectionWithLine(PdVector rayBaseWorld,
                               PdVector rayDirWorld)
```
    Find intersection of polygon set with a given ray. Closest polygon edge is located. Method is used for interactive picking. Base and direction of ray must be given in 3D world coordinates.
    
    Specified by:
    
    intersectionWithLine in interface PgGeometryIf
    
    Overrides:
    
    intersectionWithLine in class PgPointSet
    
    Parameters:
    rayBaseWorld - 3D base point of ray eventually hitting the surface.
    rayDirWorld - 3D direction vector of ray eventually hitting the surface.
    
    Returns:
    full information about hit element, barycentric coordinates etc.
  - makeVertexNormals
```
public boolean makeVertexNormals()
```
    Compute normals at vertices as edge bisectors with unit length. All normals are oriented to show to the same side of the polygon as the first normal which is non-degenerate.
    This method correctly handles polygons with sequences of parallel edges and multiple vertices.
    
    Overrides:
    
    makeVertexNormals in class PgPointSet
  - makeNormals
```
public void makeNormals()
```
    Deprecated. since JavaView 3.50.002, use makeVertexNormals().
    
    Compute normals at vertices as edge bisectors with unit length.
  - makeBiNormals
```
public void makeBiNormals()
```
    Compute binormals at vertices which are orthogonal to both adjacent edges. All binormals lie in the span of the two edges of a vertex and all binormals have the same orientation as the normal vector of the enclosed patch surface.
    This method correctly handles polygons with sequences of parallel edges and multiple vertices.
  - makeOffsetNormals
```
public void makeOffsetNormals()
```
    Compute normals at vertices as edge bisectors whose tip lies on an offset==1 curve. All normals are oriented to show to the same side of the polygon as the first normal which is non-degenerate.
    This method correctly handles polygons with sequences of parallel edges and multiple vertices.
  - makeCurvatureNormals
```
public void makeCurvatureNormals()
```
    Compute normals at vertices as edge bisectors with length equal to (Pi-vertexAngle). All normals are oriented to show to the same side of the polygon as the first normal which is non-degenerate.
    This method correctly handles polygons with sequences of parallel edges and multiple vertices.
  - makeNormals
```
public void makeNormals(int type,
               double length)
```
    Compute normals at vertices which lie in the span of the adjacent edges. All normals are oriented to show to the same side of the polygon as the first normal which is non-degenerate.
    This method correctly handles polygons with sequences of parallel edges and multiple vertices.
  - makePolygonColorsFromXYZ
```
public boolean makePolygonColorsFromXYZ()
```
    Create color from the edge position within its bounding box which is interpreted as RGB cube. If dimension of vertices is smaller than three then only the first vertex components are used in the color computation.
  - makePolygonColorsFromZ
```
public boolean makePolygonColorsFromZ()
```
    Create color from the vertical z-height within its bounding box ranging from low blue to high red. If dimension of vertices is smaller than three then the highest vertex component is used instead of the z-component in the color computation.
  - makePolygonColorsFromZHue
```
public boolean makePolygonColorsFromZHue()
```
    Create color from the vertical z-height within its bounding box ranging through hue rainbow. If dimension of vertices is smaller than three then the highest vertex component is used instead of the z-component in the color computation.
  - getFVector
```
public int[] getFVector()
```
    Compute F-vector that is the number of points, edges, faces, etc.
    
    Overrides:
    
    getFVector in class PgPointSet
  - triangulate
```
public PiVector[] triangulate()
```
    The method triangulates the polygon patches by successively removing the vertex with the smallest interior angle. The method can handle non-convex polygons.
    
    Returns:
    Array of vectors each containing the vertex indices of a triangle.
  - flipOrientation
```
public void flipOrientation()
```
    Change orientation of the polygon, i.e. the end point becomes the first point. This method just multiplies each normal vector with -1 and, therefore, must be overwritten by subclasses such as PgElementSet and PgPolygon.
    
    Overrides:
    
    flipOrientation in class PgPointSet
  - isShowingSmoothLighting
```
public boolean isShowingSmoothLighting()
```
    Determines whether smooth lighting is enabled, requires vertex normals.
    
    Since:
    
    JavaView 2.69
  - showSmoothLighting
```
public void showSmoothLighting(boolean flag)
```
    Set flag to enable smooth lighting, requires vertex normals.
    
    Since:
    
    JavaView 2.69
  - isShowingSmoothEdgeColors
```
public boolean isShowingSmoothEdgeColors()
```
    Determines whether smooth coloring of polygons is enabled, currently requires vertex colors.
    
    Since:
    
    JavaView 2.69
  - showSmoothEdgeColors
```
public void showSmoothEdgeColors(boolean flag)
```
    Set flag to enable smooth coloring of edges, currently requires vertex colors.
    
    Since:
    
    JavaView 2.69
  - isShowingEdgeColorFromVertices
```
public boolean isShowingEdgeColorFromVertices()
```
    Determines whether smooth edge coloring uses vertex colors at vertices, requires vertex colors.
    
    Since:
    
    JavaView 2.69
  - showEdgeColorFromVertices
```
public void showEdgeColorFromVertices(boolean flag)
```
    Set flag to enable smooth edge coloring using vertex colors at vertices, requires vertex colors.
    
    Since:
    
    JavaView 2.69
  - isShowingEdgeFromVertexColors
```
public boolean isShowingEdgeFromVertexColors()
```
    Deprecated. since JavaView 3.96.031, use #isShowingEdgeColorFromVertices()
    
    Determines whether smooth edge coloring uses vertex colors at vertices, requires vertex colors.
    
    Since:
    
    JavaView 2.69
  - showEdgeFromVertexColors
```
public void showEdgeFromVertexColors(boolean flag)
```
    Deprecated. since JavaView 3.96.031, use #showEdgeColorFromVertices(boolean)
    
    Set flag to enable smooth edge coloring using vertex colors at vertices, requires vertex colors.
    
    Since:
    
    JavaView 2.69
  - makePolygonFromVertexColors
```
public boolean makePolygonFromVertexColors()
```
    Create polygon colors as average of the color of its vertices. Vertex colors must be available.
    
    Since:
    
    JavaView 2.69
  - makeVertexFromPolygonColors
```
public boolean makeVertexFromPolygonColors()
```
    Create vertex colors as average of color of all adjacent polygons. Polygon colors must be available.
    
    Since:
    
    JavaView 2.69
  - makePolygonColorsFromLength
```
public boolean makePolygonColorsFromLength()
```
    Create polygon color from the polygon length ranging through hue rainbow. If polygon is closed then both end points have the same color red, otherwise color ranges from red to bluish.
    
    Since:
    
    JavaView 2.70
  - makeVertexColorsFromLength
```
public boolean makeVertexColorsFromLength()
```
    Create vertex color from the polygon length ranging through hue rainbow. If polygon is closed then both end points have the same color red, otherwise color ranges from red to bluish.
    
    Since:
    
    JavaView 2.70
  - convert
```
public static PgPolygonSet convert(PgPolygon poly)
```
    Convert a PgPolygon into a PgPolygonSet. The polygon is converted to a single polygon in the new set, therefore, individual edge settings are ignored.
    
    Since:
    
    JavaView 3.11.003

Class PgPolygonSet

Field Summary

Fields inherited from class jv.object.PsObject

Fields inherited from interface jv.project.PgGeometryIf

Constructor Summary

Method Summary

Methods inherited from class jv.geom.PgPointSet

Methods inherited from class jv.project.PgGeometry

Methods inherited from class jv.object.PsObject

Methods inherited from class java.lang.Object

Methods inherited from interface jv.project.PgGeometryIf

Methods inherited from interface jv.object.PsUpdateIf

Field Detail

NORMAL

BINORMAL

OFFSET_NORMAL

CURVATURE_NORMAL

Constructor Detail

PgPolygonSet

PgPolygonSet

Method Detail

init

getJvx

setJvx

clone

copy

copyPolygonSet

toString

update

applyModelingMatrix

getGlobalPolygonColor

getGlobalPolygonTagColor

getGlobalPolygonSize

getGlobalPolygonNormalColor

getGlobalPolygonNormalLength

getGlobalPolygonNormalSize

setGlobalPolygonColor

setGlobalPolygonTagColor

setGlobalPolygonSize

setGlobalPolygonNormalColor

setGlobalPolygonNormalLength

setGlobalPolygonNormalSize

addPolygon

getPolygons

getPolygonColors

getPolygonNormals

getPolygonSizes

isShowingEdgeLabels

isShowingPolygonLabels

isShowingPolygons

isShowingPolygonColors

isShowingPolygonNormals

isShowingPolygonSizes

isShowingPolygonNormalArrow

isShowingPolygonStartArrow

isShowingPolygonEndArrow

isShowingTaggedPolygons

showTaggedPolygons

showEdgeLabels

showPolygonLabels

showPolygons

showPolygonColors

showPolygonNormals

showPolygonSizes

showPolygonNormalArrow

showPolygonStartArrow

showPolygonEndArrow

useGlobalPolygonColor

getMaxNumPolygons

setMaxNumPolygons

getNumPolygons

setNumPolygons

setSizeOfPolygon

setDimOfVertices

setDimOfPolygons

getMaxDimOfPolygons

getDimOfPolygons

assureDimOfPolygons

setDimOfColors

setDimOfVectors