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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 11:36:17 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>org.geotools.referencing (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.referencing package"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="org.geotools.referencing (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/parameter/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../../org/geotools/referencing/crs/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.referencing</H2><A HREF="../../../org/geotools/referencing/AbstractReferenceSystem.html" title="class in org.geotools.referencing">Reference systems</A> implementation. <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>Class Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/AbstractIdentifiedObject.html" title="class in org.geotools.referencing">AbstractIdentifiedObject</A></B></TD><TD>A base class for metadata applicable to reference system objects. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/AbstractReferenceSystem.html" title="class in org.geotools.referencing">AbstractReferenceSystem</A></B></TD><TD>Description of a spatial and temporal reference system used by a dataset. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/Console.html" title="class in org.geotools.referencing">Console</A></B></TD><TD>A console for executing CRS operations from the command line. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/CRS.html" title="class in org.geotools.referencing">CRS</A></B></TD><TD>Simple utility class for making use of the coordinate reference system and associated factory implementations. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/FactoryFinder.html" title="class in org.geotools.referencing">FactoryFinder</A></B></TD><TD>Defines static methods used to access the application's default factory implementation. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/GeodeticCalculator.html" title="class in org.geotools.referencing">GeodeticCalculator</A></B></TD><TD>Performs geodetic calculations on an ellipsoid. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD WIDTH="15%"><B><A HREF="../../../org/geotools/referencing/NamedIdentifier.html" title="class in org.geotools.referencing">NamedIdentifier</A></B></TD><TD>An identification of a CRS object. </TD></TR></TABLE> <P><A NAME="package_description"><!-- --></A><H2>Package org.geotools.referencing Description</H2><P><A HREF="../../../org/geotools/referencing/AbstractReferenceSystem.html" title="class in org.geotools.referencing">Reference systems</A> implementation. An explanation for this package is provided in the OpenGIS® javadoc. The remaining discussion on this page is specific to the Geotools implementation. <P ALIGN="justify">This package provides implementations for general positioning, coordinate reference systems (CRS), and coordinate transformations. Coordinates can have any number of dimensions. So this implementation can handle 2D and 3D coordinates, as well as 4D, 5D, <CITE>etc.</CITE></P> <P ALIGN="justify">This package provides a special implementation of <A HREF="../../../org/geotools/referencing/NamedIdentifier.html" title="class in org.geotools.referencing">identifier</A>, which is also a generic name. By implementing those two interfaces, it is possible to use the same kind of object for specifying both the <A HREF="../../../org/geotools/referencing/AbstractIdentifiedObject.html#getName()">main identifier</A> and the <A HREF="../../../org/geotools/referencing/AbstractIdentifiedObject.html#getAlias()">aliases</A> of an <A HREF="../../../org/geotools/referencing/AbstractIdentifiedObject.html" title="class in org.geotools.referencing">identified object</A>.</P> <P ALIGN="justify">All factory methods are capable to find an object using an unscoped (or local) name. However, in order to avoid potential conflict, it is recommanded to use scoped name when possible. For example even if both can work, prefer "EPSG:9624" instead of "9624" for the affine transform in order to avoid potential conflict with an other authority using the same code number.</P> <H3>Command-line tools</H3> <P ALIGN="justify">A set of command lines tools is provided for performing queries. The tools are implemented in the <CODE>main</CODE> method of some key classes. The tools are:</P> <TABLE> <TR> <TD><A HREF="../../../org/geotools/referencing/FactoryFinder.html#main(java.lang.String[])"><CODE>FactoryFinder</CODE></A> </TD> <TD>List registered factories found in the class path (not only Geotools implementations).</TD> </TR><TR> <TD><A HREF="../../../org/geotools/referencing/operation/DefaultMathTransformFactory.html#main(java.lang.String[])"><CODE>DefaultMathTransformFactory</CODE></A> </TD> <TD>List registered math transforms found in the class path.</TD> </TR> </TR><TR> <TD><A HREF="../../../org/geotools/referencing/Console.html" title="class in org.geotools.referencing"><CODE>Console</CODE></A> </TD> <TD>A command-line tool for testing transformations.</TD> </TR> </TABLE><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/parameter/package-summary.html"><B>PREV PACKAGE</B></A> <A HREF="../../../org/geotools/referencing/crs/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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