mapcontext.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

public <A HREF="../../../org/geotools/geometry/jts/ReferencedEnvelope.html" title="class in org.geotools.geometry.jts">ReferencedEnvelope</A> <B>getAreaOfInterest</B>()</PRE>
<DL>
<DD>Gets the current area of interest.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>Current area of interest</DL>
</DD>
</DL>
<HR>

<A NAME="getCoordinateReferenceSystem()"><!-- --></A><H3>
getCoordinateReferenceSystem</H3>
<PRE>
public CoordinateReferenceSystem <B>getCoordinateReferenceSystem</B>()</PRE>
<DL>
<DD>Get the current coordinate system.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the coordinate system of this box.</DL>
</DD>
</DL>
<HR>

<A NAME="transform(java.awt.geom.AffineTransform)"><!-- --></A><H3>
transform</H3>
<PRE>
public void <B>transform</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/AffineTransform.html" title="class or interface in java.awt.geom">AffineTransform</A>&nbsp;transform)</PRE>
<DL>
<DD>Transform the coordinates according to the provided transform. Useful for
 zooming and panning processes.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>transform</CODE> - The transform to change area of interest.</DL>
</DD>
</DL>
<HR>

<A NAME="addMapBoundsListener(org.geotools.map.event.MapBoundsListener)"><!-- --></A><H3>
addMapBoundsListener</H3>
<PRE>
public void <B>addMapBoundsListener</B>(<A HREF="../../../org/geotools/map/event/MapBoundsListener.html" title="interface in org.geotools.map.event">MapBoundsListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Register interest in receiving <A HREF="../../../org/geotools/map/event/MapBoundsEvent.html" title="class in org.geotools.map.event"><CODE>MapBoundsEvent</CODE></A>s.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The object to notify when the area of interest has changed.</DL>
</DD>
</DL>
<HR>

<A NAME="removeMapBoundsListener(org.geotools.map.event.MapBoundsListener)"><!-- --></A><H3>
removeMapBoundsListener</H3>
<PRE>
public void <B>removeMapBoundsListener</B>(<A HREF="../../../org/geotools/map/event/MapBoundsListener.html" title="interface in org.geotools.map.event">MapBoundsListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Remove interest in receiving a <CODE>BoundingBoxEvent</CODE>s.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The object to stop sending change events.</DL>
</DD>
</DL>
<HR>

<A NAME="getAbstract()"><!-- --></A><H3>
getAbstract</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getAbstract</B>()</PRE>
<DL>
<DD>Get the abstract which describes this interface, returns an empty string
 if this has not been set yet.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The Abstract.</DL>
</DD>
</DL>
<HR>

<A NAME="setAbstract(java.lang.String)"><!-- --></A><H3>
setAbstract</H3>
<PRE>
public void <B>setAbstract</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;conAbstract)</PRE>
<DL>
<DD>Set an abstract which describes this context.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>conAbstract</CODE> - the Abstract.</DL>
</DD>
</DL>
<HR>

<A NAME="getContactInformation()"><!-- --></A><H3>
getContactInformation</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getContactInformation</B>()</PRE>
<DL>
<DD>Get the contact information associated with this context, returns an
 empty string if contactInformation has not been set.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the ContactInformation.</DL>
</DD>
</DL>
<HR>

<A NAME="setContactInformation(java.lang.String)"><!-- --></A><H3>
setContactInformation</H3>
<PRE>
public void <B>setContactInformation</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;contactInformation)</PRE>
<DL>
<DD>Set contact inforation associated with this class.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>contactInformation</CODE> - the ContactInformation.</DL>
</DD>
</DL>
<HR>

<A NAME="setCoordinateReferenceSystem(org.opengis.referencing.crs.CoordinateReferenceSystem)"><!-- --></A><H3>
setCoordinateReferenceSystem</H3>
<PRE>
public void <B>setCoordinateReferenceSystem</B>(CoordinateReferenceSystem&nbsp;crs)
                                  throws TransformException,
                                         FactoryException</PRE>
<DL>
<DD>Set the <code>CoordinateReferenceSystem</code> for this map context.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>crs</CODE> - 
<DT><B>Throws:</B>
<DD><CODE>FactoryException</CODE>
<DD><CODE>TransformException</CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getKeywords()"><!-- --></A><H3>
getKeywords</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[] <B>getKeywords</B>()</PRE>
<DL>
<DD>Get an array of keywords associated with this context, returns an empty
 array if no keywords have been set. The array returned is a copy, changes
 to the returned array won't influence the MapContextState
<P>
<DD><DL>

<DT><B>Returns:</B><DD>array of keywords</DL>
</DD>
</DL>
<HR>

<A NAME="setKeywords(java.lang.String[])"><!-- --></A><H3>
setKeywords</H3>
<PRE>
public void <B>setKeywords</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>[]&nbsp;keywords)</PRE>
<DL>
<DD>Set an array of keywords to associate with this context.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>keywords</CODE> - the Keywords.</DL>
</DD>
</DL>
<HR>

<A NAME="getTitle()"><!-- --></A><H3>
getTitle</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>getTitle</B>()</PRE>
<DL>
<DD>Get the title, returns an empty string if it has not been set yet.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>the title, or an empty string if it has not been set.</DL>
</DD>
</DL>
<HR>

<A NAME="setTitle(java.lang.String)"><!-- --></A><H3>
setTitle</H3>
<PRE>
public void <B>setTitle</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A>&nbsp;title)</PRE>
<DL>
<DD>Set the title of this context.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>title</CODE> - the title.</DL>
</DD>
</DL>
<HR>

<A NAME="addPropertyChangeListener(java.beans.PropertyChangeListener)"><!-- --></A><H3>
addPropertyChangeListener</H3>
<PRE>
public void <B>addPropertyChangeListener</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/beans/PropertyChangeListener.html" title="class or interface in java.beans">PropertyChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Registers PropertyChangeListener to receive events.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The listener to register.</DL>
</DD>
</DL>
<HR>

<A NAME="removePropertyChangeListener(java.beans.PropertyChangeListener)"><!-- --></A><H3>
removePropertyChangeListener</H3>
<PRE>
public void <B>removePropertyChangeListener</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/beans/PropertyChangeListener.html" title="class or interface in java.beans">PropertyChangeListener</A>&nbsp;listener)</PRE>
<DL>
<DD>Removes PropertyChangeListener from the list of listeners.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>listener</CODE> - The listener to remove.</DL>
</DD>
</DL>
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