org.jdelaunay.delaunay.geometries

Class Element

java.lang.Object

org.jdelaunay.delaunay.geometries.Element

Direct Known Subclasses:

ConstraintPolygon, DEdge, DPoint, DTriangle

public abstract class Element
extends Object

Abstract container for all the geometric elements that are used during the triangulation

Author:

Adelin Piau, Jean-Yves Martin, Erwan Bocher

Field Summary

Fields

Modifier and Type	Field and Description
static List<Integer>	WEIGHTED_PROPERTIES The list that will contains the property values that will be used during the intersection.

Constructor Summary

Constructors

Constructor and Description
Element() default constructor
Element(Element element) Constructor
Element(int property) Constructor

Method Summary

Methods

Modifier and Type	Method and Description
void	addProperty(int property) add property value.
abstract boolean	contains(com.vividsolutions.jts.geom.Coordinate c) Check if the coordinate is inside the element
abstract boolean	contains(DPoint aPoint) Check if the point is inside the element
abstract BoundaryBox	getBoundingBox() Computed bounding box
int	getExternalGID() get the external GID associated to the object (-1 if it has not been set)
int	getGID() get GID value
double	getHeight() Get the height of the element.
int	getMaxWeight(Map<Integer,Integer> map) Get the weight of this DEdge.
int	getProperty() get property value
boolean	hasProperty(int property) check for a specific type value
void	removeProperties() Remove all properties of the element
void	setExternalGID(int externalGID) Set an external GID, referencing this object for an external use, and eventually make correspondances with an external attributes table.
void	setGID(int gid) set GID value
void	setHeight(double height) Set the height of the element
void	setProperty(int property) set property value

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

WEIGHTED_PROPERTIES

public static final List<Integer> WEIGHTED_PROPERTIES

The list that will contains the property values that will be used during the intersection. Note that it is up to you to fill the list with the property values you need. Property values must be managed as described in addProperty.

Constructor Detail

Element

public Element()

default constructor

Element

public Element(Element element)

Constructor

Element

public Element(int property)

Constructor

Method Detail

setGID

public final void setGID(int gid)

set GID value

Parameters:

gid -

getGID

public final int getGID()

get GID value

setProperty

public final void setProperty(int property)

set property value

Parameters:

property -

addProperty

public void addProperty(int property)

add property value. Properties are managed, with this method, by making a or operation on the bits of the underlying int. We are marking bits on an int, where each bit can be associated (externally) to a given property. To mark the bit number 5, for instance, you must add the property 16 (as the only bit set to 1 in 16 is the fifth one). If you add the property 25, you will set the bits 5, 3 and 2 to 1

Parameters:

property -

hasProperty

public final boolean hasProperty(int property)

check for a specific type value

Parameters:

property -

getProperty

public final int getProperty()

get property value

Returns:

property

removeProperties

public final void removeProperties()

Remove all properties of the element

getMaxWeight

public final int getMaxWeight(Map<Integer,Integer> map)

Get the weight of this DEdge. This property will be used, fo instance, by the forceConstraintIntegrity in ConstrainedMesh, to decide which Z value to use when computing a new intersection.

Parameters:

map -

Returns:

The maximal weight

setExternalGID

public final void setExternalGID(int externalGID)

Set an external GID, referencing this object for an external use, and eventually make correspondances with an external attributes table.

Parameters:

externalGID -

getExternalGID

public final int getExternalGID()

get the external GID associated to the object (-1 if it has not been set)

Returns:

The external gid for this element.

getHeight

public final double getHeight()

Get the height of the element.

Returns:

The height in double

setHeight

public final void setHeight(double height)

Set the height of the element

Parameters:

height -

getBoundingBox

public abstract BoundaryBox getBoundingBox()

Computed bounding box

Returns:

The boundary box of this element.

contains

public abstract boolean contains(DPoint aPoint)

Check if the point is inside the element

Parameters:

aPoint -

Returns:

bool

contains

public abstract boolean contains(com.vividsolutions.jts.geom.Coordinate c)
                          throws DelaunayError

Check if the coordinate is inside the element

Parameters:

c -

Returns:

bool

Throws:

DelaunayError