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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 11:36:16 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>org.geotools.gml (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.gml package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="org.geotools.gml (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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.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"> <A HREF="../../../org/geotools/geometry/jts/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../../org/geotools/gml/producer/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.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></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><H2>Package org.geotools.gml</H2>Reads GML files and translates them into Java objects.<P><B>See:</B><BR> <A HREF="#package_description"><B>Description</B></A><P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Interface Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLHandlerFeature.html" title="interface in org.geotools.gml">GMLHandlerFeature</A></B></TD><TD>LEVEL4 saxGML4j GML handler: Gets features. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLHandlerGeometry.html" title="interface in org.geotools.gml">GMLHandlerGeometry</A></B></TD><TD>LEVEL2 saxGML4j GML handler: Gets basic alerts from GMLFilterDocument. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLHandlerJTS.html" title="interface in org.geotools.gml">GMLHandlerJTS</A></B></TD><TD>LEVEL3 saxGML4j GML handler: Gets JTS objects. </TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Class Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLFilterDocument.html" title="class in org.geotools.gml">GMLFilterDocument</A></B></TD><TD>LEVEL1 saxGML4j GML filter: Sends basic alerts for GML types to GMLFilterGeometry. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLFilterFeature.html" title="class in org.geotools.gml">GMLFilterFeature</A></B></TD><TD>LEVEL3 GML filter: translates JTS elements and attribute data into features. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLFilterGeometry.html" title="class in org.geotools.gml">GMLFilterGeometry</A></B></TD><TD>LEVEL2 saxGML4j GML filter: translates coordinates and GML events into OGC simple types. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLReceiver.html" title="class in org.geotools.gml">GMLReceiver</A></B></TD><TD>DOCUMENT ME!</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandler.html" title="class in org.geotools.gml">SubHandler</A></B></TD><TD>Specifies how a generic OGC simple geometry handler should behave.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerBox.html" title="class in org.geotools.gml">SubHandlerBox</A></B></TD><TD>Creates a simple OGC box.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerFactory.html" title="class in org.geotools.gml">SubHandlerFactory</A></B></TD><TD>Creates the appropriate SubHandler element for a given OGC simple geometry type.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerLinearRing.html" title="class in org.geotools.gml">SubHandlerLinearRing</A></B></TD><TD>Creates a simple OGC LinearRing (a closed LineString).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerLineString.html" title="class in org.geotools.gml">SubHandlerLineString</A></B></TD><TD>Creates a simple OGC LineString element.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerMulti.html" title="class in org.geotools.gml">SubHandlerMulti</A></B></TD><TD>Creates a MultiPoint, MultiLineString, or MultiPolygon geometry as required by the internal functions.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerPoint.html" title="class in org.geotools.gml">SubHandlerPoint</A></B></TD><TD>Creates an OGC simple point.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/SubHandlerPolygon.html" title="class in org.geotools.gml">SubHandlerPolygon</A></B></TD><TD>Creates a Polygon geometry.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/TestHandler.html" title="class in org.geotools.gml">TestHandler</A></B></TD><TD>Simple test implementation of <code>GMLHandlerJTS</code>. </TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Exception Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/gml/GMLException.html" title="class in org.geotools.gml">GMLException</A></B></TD><TD>An exception used to represent any GML related errors.</TD></TR></TABLE> <P><A NAME="package_description"><!-- --></A><H2>Package org.geotools.gml Description</H2><P><p>Reads GML files and translates them into Java objects.</p><p><img border="0" src="picture.jpg" align="right" hspace="5" vspace="5" width="410" height="640">Note that the final OGC simple geometry types used by these classes are the ones developed by Vivid Solutions as part of the Java Topology Suite. However, this not the only type of Java object that may be generated by using this suite of filters. For example, you could implement a GMLGeometryHandler to create custom geometry types or to store OGC simple types in your own custom format. The illustration shows how this works.</p><p><b>GMLDocumentFilter</b> reads in an arbitrary XML file, extracts all GML-namespace associate elements, and translates them into primitive geometry calls, handled by the GMLGeometryHandler. Essentially, GMLDocumentFilter handles all coordinate parsing so that handlers further down the chain never see any character data within GML objects.</p><p><b>GMLGeometryFilter</b> implements a GMLGeometryHandler and uses the SubHandlers to create finished JTS-based geometries. This is the only object that GMLGeometryFilter passes on down the chain from the GML namespace. All other XML is passed through without modification.</p><P><P><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_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="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Package</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <FONT CLASS="NavBarFont1">Class</FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-use.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"> <A HREF="../../../org/geotools/geometry/jts/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../../org/geotools/gml/producer/package-summary.html"><B>NEXT PACKAGE</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="package-summary.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></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR>Copyright © 1996-2007 <a href="http://www.geotools.org">Geotools</a>. 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