Geometry (Esri Geometry API for Java 1.2.1 API)

java.lang.Object
- com.esri.core.geometry.Geometry

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

Envelope, MultiVertexGeometry, Point, Segment
```
public abstract class Geometry
extends Object
implements Serializable
```
Common properties and methods shared by all geometric objects. Geometries are objects that define a spatial location and and associated geometric shape.

See Also:
Serialized Form

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`static class`	`Geometry.GeometryAccelerationDegree` Describes the degree of acceleration of the geometry.
`static interface`	`Geometry.GeometryType` Geometry types
`static class`	`Geometry.Type` The type of this geometry.

Method Summary

Methods
Modifier and Type	Method and Description
`protected abstract void`	`_assignVertexDescriptionImpl(VertexDescription src)`
`protected Object`	`_getImpl()`
`void`	`addAttribute(int semantics)` Adds a new attribute to the Geometry.
`void`	`addID()` Adds the ID attribute to this Geometry
`void`	`addM()` Adds the M attribute to this Geometry
`abstract void`	`applyTransformation(Transformation2D transform)` Applies 2D affine transformation in XY plane.
`double`	`calculateArea2D()` Calculates the area of the geometry.
`double`	`calculateLength2D()` Calculates the length of the geometry.
`Geometry`	`copy()` Creates a copy of the geometry.
`abstract void`	`copyTo(Geometry dst)` Copies this geometry to another geometry of the same type.
`abstract Geometry`	`createInstance()` Creates an instance of an empty geometry of the same type.
`void`	`dropAllAttributes()` Drops all attributes from the Geometry with exception of POSITON.
`void`	`dropAttribute(int semantics)` Drops an attribute from the Geometry.
`abstract Geometry`	`getBoundary()` Returns boundary of this geometry.
`VertexDescription`	`getDescription()` Returns the VertexDescription of this geomtry.
`abstract int`	`getDimension()` Returns the topological dimension of the geometry object based on the geometry's type.
`static int`	`getDimensionFromType(int type)` Returns this geometry's dimension.
`int`	`getStateFlag()` The stateFlag value changes with changes applied to this geometry.
`abstract Geometry.Type`	`getType()` Returns the geometry type.
`boolean`	`hasAttribute(int semantics)` A shortcut for getDescription().hasAttribute()
`boolean`	`hasID()` Returns true if this Geometry has an ID attribute
`boolean`	`hasM()` Returns true if this Geometry has an M attribute
`boolean`	`hasZ()` Returns true if this Geometry has the Z attribute
`static boolean`	`isArea(int type)` Indicates if the integer value of the enumeration is an area (dimension 2).
`abstract boolean`	`isEmpty()` IsEmpty returns TRUE when the Geometry object does not contain geometric information beyond its original initialization state.
`static boolean`	`isLinear(int type)` Indicates if the integer value of the enumeration is linear (dimension 1).
`static boolean`	`isMultiPath(int type)` Indicates if the integer value of the enumeration is a multipath (ie, line or area).
`static boolean`	`isMultiVertex(int type)` Indicates if the integer value of the enumeration is a multivertex (ie, multipoint, line, or area).
`static boolean`	`isPoint(int type)` Indicates if the integer value of the enumeration is a point type (dimension 0).
`static boolean`	`isSegment(int type)` Indicates if the integer value of the enumeration is a segment.
`abstract void`	`queryEnvelope(Envelope env)` Returns the axis aligned bounding box of the geometry.
`abstract void`	`queryEnvelope2D(Envelope2D env)` Returns tight bbox of the Geometry in X, Y plane.
`abstract Envelope1D`	`queryInterval(int semantics, int ordinate)` Returns the min and max attribute values at the ordinate of the Geometry
`void`	`queryLooseEnvelope2D(Envelope2D env)` Returns the conservative bbox of the Geometry in X, Y plane.
`abstract void`	`replaceNaNs(int semantics, double value)` Replaces NaNs in the attribute with the given value.
`abstract void`	`setEmpty()` Returns the geometry to its original initialization state by releasing all data referenced by the geometry.
`String`	`toString()` The output of this method can be only used for debugging.
`static int`	`vertex_count(Geometry geom)` Returns count of geometry vertices: 1 for Point, 4 for Envelope, get_point_count for MultiVertexGeometry types, 2 for segment types Returns 0 if geometry is empty.

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

- Method Detail
  - getType
```
public abstract Geometry.Type getType()
```
    Returns the geometry type.
    
    Returns:
    Returns the geometry type.
  - getDimension
```
public abstract int getDimension()
```
    Returns the topological dimension of the geometry object based on the geometry's type.
    Returns 0 for point and multipoint.
    Returns 1 for lines and polylines.
    Returns 2 for polygons and envelopes
    Returns 3 for objects with volume
    
    Returns:
    Returns the integer value of the dimension of geometry.
  - getDescription
```
public VertexDescription getDescription()
```
    Returns the VertexDescription of this geomtry.
  - _assignVertexDescriptionImpl
```
protected abstract void _assignVertexDescriptionImpl(VertexDescription src)
```
  - hasAttribute
```
public boolean hasAttribute(int semantics)
```
    A shortcut for getDescription().hasAttribute()
  - addAttribute
```
public void addAttribute(int semantics)
```
    Adds a new attribute to the Geometry.
    
    Parameters:
    semantics -
  - dropAttribute
```
public void dropAttribute(int semantics)
```
    Drops an attribute from the Geometry. Dropping the attribute is equivalent to setting the attribute to the default value for each vertex, However, it is faster and the result Geometry has smaller memory footprint and smaller size when persisted.
  - dropAllAttributes
```
public void dropAllAttributes()
```
    Drops all attributes from the Geometry with exception of POSITON.
  - queryInterval
```
public abstract Envelope1D queryInterval(int semantics,
                       int ordinate)
```
    Returns the min and max attribute values at the ordinate of the Geometry
  - queryEnvelope
```
public abstract void queryEnvelope(Envelope env)
```
    Returns the axis aligned bounding box of the geometry.
    
    Parameters:
    env - The envelope to return the result in.
  - queryEnvelope2D
```
public abstract void queryEnvelope2D(Envelope2D env)
```
    Returns tight bbox of the Geometry in X, Y plane.
  - queryLooseEnvelope2D
```
public void queryLooseEnvelope2D(Envelope2D env)
```
    Returns the conservative bbox of the Geometry in X, Y plane. This is a faster method than QueryEnvelope2D. However, the bbox could be larger than the tight box.
  - isEmpty
```
public abstract boolean isEmpty()
```
    IsEmpty returns TRUE when the Geometry object does not contain geometric information beyond its original initialization state.
    
    Returns:
    boolean Returns TRUE if this geometry is empty.
  - setEmpty
```
public abstract void setEmpty()
```
    Returns the geometry to its original initialization state by releasing all data referenced by the geometry.
  - applyTransformation
```
public abstract void applyTransformation(Transformation2D transform)
```
    Applies 2D affine transformation in XY plane.
    
    Parameters:
    transform - The affine transformation to be applied to this geometry.
  - createInstance
```
public abstract Geometry createInstance()
```
    Creates an instance of an empty geometry of the same type.
  - copyTo
```
public abstract void copyTo(Geometry dst)
```
    Copies this geometry to another geometry of the same type. The result geometry is an exact copy.
    
    Throws:
    
    GeometryException - invalid_argument if the geometry is of different type.
  - calculateArea2D
```
public double calculateArea2D()
```
    Calculates the area of the geometry. If the spatial reference is a Geographic Coordinate System (WGS84) then the 2D area calculation is defined in angular units.
    
    Returns:
    A double value representing the 2D area of the geometry.
  - calculateLength2D
```
public double calculateLength2D()
```
    Calculates the length of the geometry. If the spatial reference is a Geographic Coordinate System (a system where coordinates are defined using angular units such as longitude and latitude) then the 2D distance calculation is returned in angular units. In cases where length must be calculated on a Geographic Coordinate System consider the using the geodeticLength method on the GeometryEngine
    
    Returns:
    A double value representing the 2D length of the geometry.
  - _getImpl
```
protected Object _getImpl()
```
  - hasZ
```
public boolean hasZ()
```
    Returns true if this Geometry has the Z attribute
    
    Returns:
    true if this Geometry has the Z attribute
  - addM
```
public void addM()
```
    Adds the M attribute to this Geometry
  - hasM
```
public boolean hasM()
```
    Returns true if this Geometry has an M attribute
    
    Returns:
    true if this Geometry has an M attribute
  - addID
```
public void addID()
```
    Adds the ID attribute to this Geometry
  - hasID
```
public boolean hasID()
```
    Returns true if this Geometry has an ID attribute
    
    Returns:
    true if this Geometry has an ID attribute
  - getDimensionFromType
```
public static int getDimensionFromType(int type)
```
    Returns this geometry's dimension.
    Returns 0 for point and multipoint.
    Returns 1 for lines and polylines.
    Returns 2 for polygons and envelopes
    Returns 3 for objects with volume
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    The integer dimension of this geometry.
  - isPoint
```
public static boolean isPoint(int type)
```
    Indicates if the integer value of the enumeration is a point type (dimension 0).
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    TRUE if the geometry is a point.
  - isLinear
```
public static boolean isLinear(int type)
```
    Indicates if the integer value of the enumeration is linear (dimension 1).
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    TRUE if the geometry is a line.
  - isArea
```
public static boolean isArea(int type)
```
    Indicates if the integer value of the enumeration is an area (dimension 2).
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    TRUE if the geometry is a polygon.
  - isSegment
```
public static boolean isSegment(int type)
```
    Indicates if the integer value of the enumeration is a segment.
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    TRUE if the geometry is a segment.
  - isMultiVertex
```
public static boolean isMultiVertex(int type)
```
    Indicates if the integer value of the enumeration is a multivertex (ie, multipoint, line, or area).
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    TRUE if the geometry has multiple vertices.
  - isMultiPath
```
public static boolean isMultiPath(int type)
```
    Indicates if the integer value of the enumeration is a multipath (ie, line or area).
    
    Parameters:
    type - The integer value from geometry enumeration. You can use the method Type#value() to get at the integer value.
    
    Returns:
    TRUE if the geometry is a multipath.
  - copy
```
public Geometry copy()
```
    Creates a copy of the geometry.
    
    Returns:
    Returns a copy of this geometry.
  - getBoundary
```
public abstract Geometry getBoundary()
```
    Returns boundary of this geometry. Polygon and Envelope boundary is a Polyline. For Polyline and Line, the boundary is a Multi_point consisting of path endpoints. For Multi_point and Point NULL is returned.
  - replaceNaNs
```
public abstract void replaceNaNs(int semantics,
               double value)
```
    Replaces NaNs in the attribute with the given value. If the geometry is not empty, it adds the attribute if geometry does not have it yet, and replaces the values. If the geometry is empty, it adds the attribute and does not set any values.
  - getStateFlag
```
public int getStateFlag()
```
    The stateFlag value changes with changes applied to this geometry. This allows the user to keep track of the geometry's state.
    
    Returns:
    The state of the geometry.
  - toString
```
public String toString()
```
    The output of this method can be only used for debugging. It is subject to change without notice.
    
    Overrides:
    
    toString in class Object
  - vertex_count
```
public static int vertex_count(Geometry geom)
```
    Returns count of geometry vertices: 1 for Point, 4 for Envelope, get_point_count for MultiVertexGeometry types, 2 for segment types Returns 0 if geometry is empty.

Class Geometry

Nested Class Summary

Method Summary

Methods inherited from class java.lang.Object

Method Detail

getType

getDimension

getDescription

_assignVertexDescriptionImpl

hasAttribute

addAttribute

dropAttribute

dropAllAttributes

queryInterval

queryEnvelope

queryEnvelope2D

queryLooseEnvelope2D

isEmpty

setEmpty

applyTransformation

createInstance

copyTo

calculateArea2D

calculateLength2D

_getImpl

hasZ

addM

hasM

addID

hasID

getDimensionFromType

isPoint

isLinear

isArea

isSegment

isMultiVertex

isMultiPath

copy

getBoundary

replaceNaNs

getStateFlag

toString

vertex_count