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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:29 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>MapContext (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.map.MapContext interface"><META NAME="keywords" CONTENT="addLayer()"><META NAME="keywords" CONTENT="removeLayer()"><META NAME="keywords" CONTENT="addLayers()"><META NAME="keywords" CONTENT="removeLayers()"><META NAME="keywords" CONTENT="clearLayerList()"><META NAME="keywords" CONTENT="getLayers()"><META NAME="keywords" CONTENT="getLayer()"><META NAME="keywords" CONTENT="moveLayer()"><META NAME="keywords" CONTENT="iterator()"><META NAME="keywords" CONTENT="indexOf()"><META NAME="keywords" CONTENT="getLayerCount()"><META NAME="keywords" CONTENT="getLayerBounds()"><META NAME="keywords" CONTENT="addMapLayerListListener()"><META NAME="keywords" CONTENT="removeMapLayerListListener()"><META NAME="keywords" CONTENT="setAreaOfInterest()"><META NAME="keywords" CONTENT="getAreaOfInterest()"><META NAME="keywords" CONTENT="getCoordinateReferenceSystem()"><META NAME="keywords" CONTENT="transform()"><META NAME="keywords" CONTENT="addMapBoundsListener()"><META NAME="keywords" CONTENT="removeMapBoundsListener()"><META NAME="keywords" CONTENT="getAbstract()"><META NAME="keywords" CONTENT="setAbstract()"><META NAME="keywords" CONTENT="getContactInformation()"><META NAME="keywords" CONTENT="setContactInformation()"><META NAME="keywords" CONTENT="setCoordinateReferenceSystem()"><META NAME="keywords" CONTENT="getKeywords()"><META NAME="keywords" CONTENT="setKeywords()"><META NAME="keywords" CONTENT="getTitle()"><META NAME="keywords" CONTENT="setTitle()"><META NAME="keywords" CONTENT="addPropertyChangeListener()"><META NAME="keywords" CONTENT="removePropertyChangeListener()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="MapContext (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/MapContext.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> PREV CLASS <A HREF="../../../org/geotools/map/MapLayer.html" title="interface in org.geotools.map"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="MapContext.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.map</FONT><BR>Interface MapContext</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/geotools/map/DefaultMapContext.html" title="class in org.geotools.map">DefaultMapContext</A></DD></DL><HR><DL><DT>public interface <B>MapContext</B></DL><P>Store context information about a map display. This object is based on the OGC Web Map Context Specification.<P><P><DL><DT><B>Author:</B></DT> <DD>Cameron Shorter</DD><DT><B>Module:</B></DT><DD><CODE><B>module/main</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-main/"><CODE>gt2-main.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/main/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/main/src/org/geotools/map/MapContext.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayer(org.geotools.data.coverage.grid.AbstractGridCoverage2DReader, org.geotools.styling.Style)">addLayer</A></B>(<A HREF="../../../org/geotools/data/coverage/grid/AbstractGridCoverage2DReader.html" title="class in org.geotools.data.coverage.grid">AbstractGridCoverage2DReader</A> gridCoverage, <A HREF="../../../org/geotools/styling/Style.html" title="interface in org.geotools.styling">Style</A> style)</CODE><BR> Add a new layer and trigger a <CODE>LayerListEvent</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayer(org.geotools.feature.FeatureCollection, org.geotools.styling.Style)">addLayer</A></B>(<A HREF="../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A> collection, <A HREF="../../../org/geotools/styling/Style.html" title="interface in org.geotools.styling">Style</A> style)</CODE><BR> Add a new layer and trigger a <CODE>LayerListEvent</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayer(org.geotools.data.FeatureSource, org.geotools.styling.Style)">addLayer</A></B>(<A HREF="../../../org/geotools/data/FeatureSource.html" title="interface in org.geotools.data">FeatureSource</A> featureSource, <A HREF="../../../org/geotools/styling/Style.html" title="interface in org.geotools.styling">Style</A> style)</CODE><BR> Add a new layer and trigger a <CODE>LayerListEvent</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayer(org.opengis.coverage.grid.GridCoverage, org.geotools.styling.Style)">addLayer</A></B>(GridCoverage gridCoverage, <A HREF="../../../org/geotools/styling/Style.html" title="interface in org.geotools.styling">Style</A> style)</CODE><BR> Add a new layer and trigger a <CODE>LayerListEvent</CODE></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayer(int, org.geotools.map.MapLayer)">addLayer</A></B>(int index, <A HREF="../../../org/geotools/map/MapLayer.html" title="interface in org.geotools.map">MapLayer</A> layer)</CODE><BR> Add a new layer in the specified position and trigger a <CODE>LayerListEvent</CODE>. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayer(org.geotools.map.MapLayer)">addLayer</A></B>(<A HREF="../../../org/geotools/map/MapLayer.html" title="interface in org.geotools.map">MapLayer</A> layer)</CODE><BR> Add a new layer if not already present and trigger a <CODE>LayerListEvent</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addLayers(org.geotools.map.MapLayer[])">addLayers</A></B>(<A HREF="../../../org/geotools/map/MapLayer.html" title="interface in org.geotools.map">MapLayer</A>[] layers)</CODE><BR> Add an array of new layers and trigger a <CODE>LayerListEvent</CODE>.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addMapBoundsListener(org.geotools.map.event.MapBoundsListener)">addMapBoundsListener</A></B>(<A HREF="../../../org/geotools/map/event/MapBoundsListener.html" title="interface in org.geotools.map.event">MapBoundsListener</A> listener)</CODE><BR> Register interest in receiving <A HREF="../../../org/geotools/map/event/MapBoundsEvent.html" title="class in org.geotools.map.event"><CODE>MapBoundsEvent</CODE></A>s.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addMapLayerListListener(org.geotools.map.event.MapLayerListListener)">addMapLayerListListener</A></B>(<A HREF="../../../org/geotools/map/event/MapLayerListListener.html" title="interface in org.geotools.map.event">MapLayerListListener</A> listener)</CODE><BR> Register interest in receiving a <CODE>LayerListEvent</CODE>. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#addPropertyChangeListener(java.beans.PropertyChangeListener)">addPropertyChangeListener</A></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> listener)</CODE><BR> Registers PropertyChangeListener to receive events.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#clearLayerList()">clearLayerList</A></B>()</CODE><BR> Clears the whole layer list. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#getAbstract()">getAbstract</A></B>()</CODE><BR> Get the abstract which describes this interface, returns an empty string if this has not been set yet.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../org/geotools/geometry/jts/ReferencedEnvelope.html" title="class in org.geotools.geometry.jts">ReferencedEnvelope</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#getAreaOfInterest()">getAreaOfInterest</A></B>()</CODE><BR> Gets the current area of interest.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#getContactInformation()">getContactInformation</A></B>()</CODE><BR> Get the contact information associated with this context, returns an empty string if contactInformation has not been set.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> CoordinateReferenceSystem</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/map/MapContext.html#getCoordinateReferenceSystem()">getCoordinateReferenceSystem</A></B>()</CODE>⌨️ 快捷键说明
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