com.esri.arcgis.geometry
Class Datum

java.lang.Object
  com.esri.arcgis.geometry.Datum

All Implemented Interfaces:

IDatum, IDatumEdit, IESRISpatialReference, IESRISpatialReferenceGEN, IESRISpatialReferenceGEN2, IHVDatum, ISpatialReferenceAuthority, ISpatialReferenceInfo, com.esri.arcgis.interop.RemoteObjRef, IClone, IPersist, IPersistStream, ISupportErrorInfo, Externalizable, Serializable

public class Datum
extends Object
implements com.esri.arcgis.interop.RemoteObjRef, IESRISpatialReferenceGEN, IESRISpatialReferenceGEN2, IHVDatum, IDatum, IDatumEdit, ISpatialReferenceInfo, IClone, IPersist, IPersistStream, IESRISpatialReference, ISupportErrorInfo, ISpatialReferenceAuthority, Externalizable

Creates a datum.

Remarks

The IClone::IsIdentical method is not implemented.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

See Also:

Serialized Form

Constructor Summary

Datum()
Constructs a Datum using ArcGIS Engine.

Datum(Object obj)
Deprecated. As of ArcGIS 9.2, replaced by normal Java casts.
Datum theDatum = (Datum) obj;

Method Summary

void	assign(IClone src) Assigns the properties of src to the receiver.
void	define(Object name, Object alias, Object abbreviation, Object remarks, Object spheroid) Defines the properties of a horizontal datum.
void	define(String authorityName, int authorityCode, String authorityVersion) Defines the authority-related metadata properties for this spatial reference object.
void	defineEx(String name, String alias, String abbreviation, String remarks, ISpheroid spheroid) Defines the properties of a horizontal datum.
boolean	equals(Object o) Compare this object with another
IClone	esri_clone() Clones the receiver and assigns the result to *clone.
void	exportToESRISpatialReference(String[] str, int[] cBytesWrote) Exports this spatial reference component to a buffer.
void	exportToESRISpatialReference2(String[] str, int[] cBytesWrote) Exports this spatial reference component to a buffer.
String	getAbbreviation() The abbreviated name of this spatial reference component.
String	getAlias() The alias of this spatial reference component.
String	getAuthorityName() The name of the defining authority for this object.
void	getClassID(GUID[] pClassID) getClassID
static String	getClsid() getClsid.
int	getCode() The code identifying this object relative to its authority.
int	getESRISpatialReferenceSize() The number of bytes required to hold the persistant representation of this spatial reference component.
int	getFactoryCode() The factory code (WKID) of the spatial reference.
String	getName() The name of this spatial reference component.
String	getRemarks() The comment string of this spatial reference component.
void	getSizeMax(_ULARGE_INTEGER[] pcbSize) getSizeMax
ISpheroid	getSpheroid() The spheroid of this horizontal datum.
String	getVersion() The version of this spatial reference object.
int	hashCode() the hashcode for this object
void	importFromESRISpatialReference(String str, int[] cBytesRead) Defines this spatial reference component from the specified ESRISpatialReference buffer.
void	interfaceSupportsErrorInfo(GUID riid) interfaceSupportsErrorInfo
void	isDirty() isDirty
boolean	isEqual(IClone other) Indicates if the receiver and other have the same properties.
boolean	isIdentical(IClone other) Indicates if the receiver and other are the same object.
void	load(IStream pstm) load
void	readExternal(ObjectInput in)
void	save(IStream pstm, int fClearDirty) save
void	writeExternal(ObjectOutput out)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.esri.arcgis.interop.RemoteObjRef

getJintegraDispatch, release

Constructor Detail

Datum

public Datum()
      throws IOException,
             UnknownHostException

Constructs a Datum using ArcGIS Engine.

Throws:

IOException - if there are interop problems

UnknownHostException - if there are interop problems

Datum

public Datum(Object obj)
      throws IOException

Deprecated. As of ArcGIS 9.2, replaced by normal Java casts.
Datum theDatum = (Datum) obj;

Construct a Datum using a reference to such an object returned from ArcGIS Engine or Server. This is semantically equivalent to casting obj to Datum.

Parameters:

obj - an object returned from ArcGIS Engine or Server

Throws:

IOException - if there are interop problems

Method Detail

getClsid

public static String getClsid()

getClsid.

equals

public boolean equals(Object o)

Compare this object with another

Overrides:

equals in class Object

hashCode

public int hashCode()

the hashcode for this object

Overrides:

hashCode in class Object

getESRISpatialReferenceSize

public int getESRISpatialReferenceSize()
                                throws IOException,
                                       AutomationException

The number of bytes required to hold the persistant representation of this spatial reference component.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

getESRISpatialReferenceSize in interface IESRISpatialReference

Specified by:

getESRISpatialReferenceSize in interface IESRISpatialReferenceGEN

Specified by:

getESRISpatialReferenceSize in interface IESRISpatialReferenceGEN2

Returns:

The cBytes

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

importFromESRISpatialReference

public void importFromESRISpatialReference(String str,
                                           int[] cBytesRead)
                                    throws IOException,
                                           AutomationException

Defines this spatial reference component from the specified ESRISpatialReference buffer.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

importFromESRISpatialReference in interface IESRISpatialReference

Specified by:

importFromESRISpatialReference in interface IESRISpatialReferenceGEN

Specified by:

importFromESRISpatialReference in interface IESRISpatialReferenceGEN2

Parameters:

str - The str (in)

cBytesRead - The cBytesRead (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

exportToESRISpatialReference

public void exportToESRISpatialReference(String[] str,
                                         int[] cBytesWrote)
                                  throws IOException,
                                         AutomationException

Exports this spatial reference component to a buffer.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

exportToESRISpatialReference in interface IESRISpatialReference

Specified by:

exportToESRISpatialReference in interface IESRISpatialReferenceGEN

Parameters:

str - The str (out: use single element array)

cBytesWrote - The cBytesWrote (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

exportToESRISpatialReference2

public void exportToESRISpatialReference2(String[] str,
                                          int[] cBytesWrote)
                                   throws IOException,
                                          AutomationException

Exports this spatial reference component to a buffer.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

exportToESRISpatialReference2 in interface IESRISpatialReferenceGEN2

Parameters:

str - The str (out: use single element array)

cBytesWrote - The cBytesWrote (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getSpheroid

public ISpheroid getSpheroid()
                      throws IOException,
                             AutomationException

The spheroid of this horizontal datum.

Description

Returns the spheroid upon which the datum is based.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getSpheroid in interface IDatum

Returns:

A reference to a com.esri.arcgis.geometry.ISpheroid

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getName

public String getName()
               throws IOException,
                      AutomationException

The name of this spatial reference component.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getName in interface ISpatialReferenceInfo

Returns:

The name

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getAlias

public String getAlias()
                throws IOException,
                       AutomationException

The alias of this spatial reference component.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getAlias in interface ISpatialReferenceInfo

Returns:

The alias

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getAbbreviation

public String getAbbreviation()
                       throws IOException,
                              AutomationException

The abbreviated name of this spatial reference component.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getAbbreviation in interface ISpatialReferenceInfo

Returns:

The abbreviation

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getRemarks

public String getRemarks()
                  throws IOException,
                         AutomationException

The comment string of this spatial reference component.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getRemarks in interface ISpatialReferenceInfo

Returns:

The remarks

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getFactoryCode

public int getFactoryCode()
                   throws IOException,
                          AutomationException

The factory code (WKID) of the spatial reference.

Remarks

The factory code is an integer identifier that is unique by projection engine object type, such as a projected coordinate system. You can use a factory code in the ISpatialReferenceFactory::CreateProjectedCoordinateSystem method for example. If you create a custom projected coordinate system, the factory code is zero.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getFactoryCode in interface ISpatialReferenceInfo

Returns:

The code

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

defineEx

public void defineEx(String name,
                     String alias,
                     String abbreviation,
                     String remarks,
                     ISpheroid spheroid)
              throws IOException,
                     AutomationException

Defines the properties of a horizontal datum.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

defineEx in interface IDatumEdit

Parameters:

name - The name (in)

alias - The alias (in)

abbreviation - The abbreviation (in)

remarks - The remarks (in)

spheroid - A reference to a com.esri.arcgis.geometry.ISpheroid (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

define

public void define(Object name,
                   Object alias,
                   Object abbreviation,
                   Object remarks,
                   Object spheroid)
            throws IOException,
                   AutomationException

Defines the properties of a horizontal datum.

Description

The properties of a datum that you need to set include the name and a spheroid.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

define in interface IDatumEdit

Parameters:

name - A Variant (in, optional, pass null if not required)

alias - A Variant (in, optional, pass null if not required)

abbreviation - A Variant (in, optional, pass null if not required)

remarks - A Variant (in, optional, pass null if not required)

spheroid - A Variant (in, optional, pass null if not required)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

esri_clone

public IClone esri_clone()
                  throws IOException,
                         AutomationException

Clones the receiver and assigns the result to *clone.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

esri_clone in interface IClone

Returns:

A reference to a com.esri.arcgis.system.IClone

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

assign

public void assign(IClone src)
            throws IOException,
                   AutomationException

Assigns the properties of src to the receiver.

Description

Use Assign method to assign the properties of source object to receiver object. Both objects need to have the same CLSIDs. Both source and receiver objects need to be instantiated.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

assign in interface IClone

Parameters:

src - A reference to a com.esri.arcgis.system.IClone (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

isEqual

public boolean isEqual(IClone other)
                throws IOException,
                       AutomationException

Indicates if the receiver and other have the same properties.

Description

IsEqual returns True if the receiver and the source have the same properties. Note, this does not imply that the receiver and the source reference the same object.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

isEqual in interface IClone

Parameters:

other - A reference to a com.esri.arcgis.system.IClone (in)

Returns:

The equal

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

isIdentical

public boolean isIdentical(IClone other)
                    throws IOException,
                           AutomationException

Indicates if the receiver and other are the same object.

Description

IsIdentical returns true if the receiver and the source reference the same object.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

isIdentical in interface IClone

Parameters:

other - A reference to a com.esri.arcgis.system.IClone (in)

Returns:

The identical

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getClassID

public void getClassID(GUID[] pClassID)
                throws IOException,
                       AutomationException

getClassID

Description

IPersist is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getClassID in interface IPersist

Parameters:

pClassID - A Structure: com.esri.arcgis.support.ms.stdole.GUID (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

isDirty

public void isDirty()
             throws IOException,
                    AutomationException

isDirty

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

isDirty in interface IPersistStream

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

load

public void load(IStream pstm)
          throws IOException,
                 AutomationException

load

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

load in interface IPersistStream

Parameters:

pstm - A reference to a com.esri.arcgis.system.IStream (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

save

public void save(IStream pstm,
                 int fClearDirty)
          throws IOException,
                 AutomationException

save

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

save in interface IPersistStream

Parameters:

pstm - A reference to a com.esri.arcgis.system.IStream (in)

fClearDirty - The fClearDirty (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getSizeMax

public void getSizeMax(_ULARGE_INTEGER[] pcbSize)
                throws IOException,
                       AutomationException

getSizeMax

Description

IPersistStream is a Microsoft interface. Please refer to MSDN for information about this interface.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

getSizeMax in interface IPersistStream

Parameters:

pcbSize - A Structure: com.esri.arcgis.system._ULARGE_INTEGER (out: use single element array)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

interfaceSupportsErrorInfo

public void interfaceSupportsErrorInfo(GUID riid)
                                throws IOException,
                                       AutomationException

interfaceSupportsErrorInfo

Description

Indicates whether the interface supports IErrorInfo.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Supported Platforms

Windows, Solaris, Linux

Specified by:

interfaceSupportsErrorInfo in interface ISupportErrorInfo

Parameters:

riid - A Structure: com.esri.arcgis.support.ms.stdole.GUID (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getAuthorityName

public String getAuthorityName()
                        throws IOException,
                               AutomationException

The name of the defining authority for this object.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

getAuthorityName in interface ISpatialReferenceAuthority

Returns:

The pAuthName

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getVersion

public String getVersion()
                  throws IOException,
                         AutomationException

The version of this spatial reference object.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

getVersion in interface ISpatialReferenceAuthority

Returns:

The pVersion

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getCode

public int getCode()
            throws IOException,
                   AutomationException

The code identifying this object relative to its authority. For the EPSG authority, this will initially be the WKID (factory code).

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

getCode in interface ISpatialReferenceAuthority

Returns:

The pAuthCode

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

define

public void define(String authorityName,
                   int authorityCode,
                   String authorityVersion)
            throws IOException,
                   AutomationException

Defines the authority-related metadata properties for this spatial reference object.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Specified by:

define in interface ISpatialReferenceAuthority

Parameters:

authorityName - The authorityName (in)

authorityCode - The authorityCode (in)

authorityVersion - The authorityVersion (in)

Throws:

IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

writeExternal

public void writeExternal(ObjectOutput out)
                   throws IOException

Specified by:

writeExternal in interface Externalizable

Throws:

IOException

readExternal

public void readExternal(ObjectInput in)
                  throws IOException,
                         ClassNotFoundException

Specified by:

readExternal in interface Externalizable

Throws:

IOException

ClassNotFoundException