com.esri.arcgis.display
Class MapContext

java.lang.Object
  com.esri.arcgis.display.MapContext

All Implemented Interfaces:

IMapContext, com.esri.arcgis.interop.RemoteObjRef, ISupportErrorInfo, java.io.Serializable

public class MapContext
extends java.lang.Object
implements com.esri.arcgis.interop.RemoteObjRef, IMapContext, ISupportErrorInfo

COM Class 'MapContext'. Generated 3/19/2015 1:20:43 PM from 'C:\ArcGIS\COM\esriDisplay.olb'

Description 'The context in which geometric effects and marker placement work.' Generator Options: PromptForTypeLibraries = False ClashPrefix = esri_ LowerCaseMemberNames = True IDispatchOnly = False RetryOnReject = False AwtForOcxs = True ArraysAsObjects = False DontRenameSameMethods = False ImplementConflictingInterfaces = True ReuseMethods = True RenameConflictingInterfaceMethods = True GenBeanInfo = True GenerateJavadoc =

See Also:

Serialized Form

Field Summary

Fields inherited from interface com.esri.arcgis.display.IMapContext

IID, IIDa7be1534_8847_4a3b_ba08_4d4a94405427, xxDummy

Fields inherited from interface com.esri.arcgis.system.ISupportErrorInfo

IID, IIDdf0b3d60_548f_101b_8e65_08002b2bd119, xxDummy

Constructor Summary

MapContext()
Constructs a MapContext using ArcGIS Engine.

MapContext(java.lang.Object obj)
Deprecated. As of ArcGIS 9.2, replaced by normal Java casts.
MapContext theMapContext = (MapContext) obj;

Method Summary

boolean	equals(java.lang.Object o) Compare this object with another
IGeometry	fromGeographyToMap(IGeometry ingeom) Converts geographic geometry to map context geometry.
IGeometry	fromMapToGeography(IGeometry ingeom) Converts map context geometry to geographic geometry.
double	fromPoints(double ptDist) Converts a distance expressed in points into a geographic distance.
static java.lang.String	getClsid() getClsid.
com.esri.arcgis.interop.Dispatch	getJintegraDispatch() Deprecated. Internal use only.
double	getReferenceScale() The reference scale of the map.
ISpatialReference	getSpatialReference() The spatial reference of the map.
int	hashCode() the hashcode for this object
void	init(ISpatialReference mapProj, double mapRefScale, IEnvelope mapExtent) Initializes the map context.
void	initFromDisplay(IDisplayTransformation displayTransform) Initializes the map context using a display transformation.
void	interfaceSupportsErrorInfo(GUID riid) interfaceSupportsErrorInfo
void	release() Release a MapContext.
double	toPoints(double mapDist) Converts a geographic distance into a distance expressed in points.

Methods inherited from class java.lang.Object

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

Constructor Detail

MapContext

public MapContext()
           throws java.io.IOException,
                  java.net.UnknownHostException

Constructs a MapContext using ArcGIS Engine.

Throws:

java.io.IOException - if there are interop problems

java.net.UnknownHostException - if there are interop problems

MapContext

public MapContext(java.lang.Object obj)
           throws java.io.IOException

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

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

Parameters:

obj - an object returned from ArcGIS Engine or Server

Throws:

java.io.IOException - if there are interop problems

Method Detail

getClsid

public static java.lang.String getClsid()

getClsid.

equals

public boolean equals(java.lang.Object o)

Compare this object with another

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

the hashcode for this object

Overrides:

hashCode in class java.lang.Object

getJintegraDispatch

public com.esri.arcgis.interop.Dispatch getJintegraDispatch()

Deprecated. Internal use only.

Specified by:

getJintegraDispatch in interface com.esri.arcgis.interop.RemoteObjRef

release

public void release()

Release a MapContext.

Specified by:

release in interface com.esri.arcgis.interop.RemoteObjRef

initFromDisplay

public void initFromDisplay(IDisplayTransformation displayTransform)
                     throws java.io.IOException,
                            AutomationException

Initializes the map context using a display transformation.

Specified by:

initFromDisplay in interface IMapContext

Parameters:

displayTransform - A reference to a com.esri.arcgis.display.IDisplayTransformation (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

init

public void init(ISpatialReference mapProj,
                 double mapRefScale,
                 IEnvelope mapExtent)
          throws java.io.IOException,
                 AutomationException

Initializes the map context.

Specified by:

init in interface IMapContext

Parameters:

mapProj - A reference to a com.esri.arcgis.geometry.ISpatialReference (in)

mapRefScale - The mapRefScale (in)

mapExtent - A reference to a com.esri.arcgis.geometry.IEnvelope (in)

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

fromGeographyToMap

public IGeometry fromGeographyToMap(IGeometry ingeom)
                             throws java.io.IOException,
                                    AutomationException

Converts geographic geometry to map context geometry.

Specified by:

fromGeographyToMap in interface IMapContext

Parameters:

ingeom - A reference to a com.esri.arcgis.geometry.IGeometry (in)

Returns:

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

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

fromMapToGeography

public IGeometry fromMapToGeography(IGeometry ingeom)
                             throws java.io.IOException,
                                    AutomationException

Converts map context geometry to geographic geometry.

Specified by:

fromMapToGeography in interface IMapContext

Parameters:

ingeom - A reference to a com.esri.arcgis.geometry.IGeometry (in)

Returns:

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

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getReferenceScale

public double getReferenceScale()
                         throws java.io.IOException,
                                AutomationException

The reference scale of the map.

Specified by:

getReferenceScale in interface IMapContext

Returns:

The refScale

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

getSpatialReference

public ISpatialReference getSpatialReference()
                                      throws java.io.IOException,
                                             AutomationException

The spatial reference of the map.

Specified by:

getSpatialReference in interface IMapContext

Returns:

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

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

fromPoints

public double fromPoints(double ptDist)
                  throws java.io.IOException,
                         AutomationException

Converts a distance expressed in points into a geographic distance.

Specified by:

fromPoints in interface IMapContext

Parameters:

ptDist - The ptDist (in)

Returns:

The mapDist

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

toPoints

public double toPoints(double mapDist)
                throws java.io.IOException,
                       AutomationException

Converts a geographic distance into a distance expressed in points.

Specified by:

toPoints in interface IMapContext

Parameters:

mapDist - The mapDist (in)

Returns:

The ptDist

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.

interfaceSupportsErrorInfo

public void interfaceSupportsErrorInfo(GUID riid)
                                throws java.io.IOException,
                                       AutomationException

interfaceSupportsErrorInfo

Specified by:

interfaceSupportsErrorInfo in interface ISupportErrorInfo

Parameters:

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

Throws:

java.io.IOException - If there are interop problems.

AutomationException - If the ArcObject component throws an exception.