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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 11:36:19 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>CRS (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.referencing.CRS class"><META NAME="keywords" CONTENT="findMathTransform()"><META NAME="keywords" CONTENT="transform()"><META NAME="keywords" CONTENT="getSupportedCodes()"><META NAME="keywords" CONTENT="getSupportedAuthorities()"><META NAME="keywords" CONTENT="decode()"><META NAME="keywords" CONTENT="parseWKT()"><META NAME="keywords" CONTENT="getAuthorityFactory()"><META NAME="keywords" CONTENT="getEnvelope()"><META NAME="keywords" CONTENT="getGeographicBoundingBox()"><META NAME="keywords" CONTENT="equalsIgnoreMetadata()"><META NAME="keywords" CONTENT="lookupIdentifier()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="CRS (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/CRS.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/referencing/Console.html" title="class in org.geotools.referencing"><B>PREV CLASS</B></A> <A HREF="../../../org/geotools/referencing/FactoryFinder.html" title="class in org.geotools.referencing"><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="CRS.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.referencing</FONT><BR>Class CRS</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>CRS</B></PRE><HR><DL><DT>public final class <B>CRS</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></DL><P>Simple utility class for making use of the coordinate reference system and associated factory implementations. <p> This utility class is made up of static final functions. This class is not a factory or a builder. It makes use of the GeoAPI factory interfaces provided by <A HREF="../../../org/geotools/referencing/FactoryFinder.html" title="class in org.geotools.referencing"><CODE>FactoryFinder</CODE></A>. <p> The following methods may be added in a future version: <ul> <li></li> </ul><P><P><DL><DT><B>Since:</B></DT> <DD>2.1</DD><DT><B>Author:</B></DT> <DD>Jody Garnett (Refractions Research), Martin Desruisseaux</DD><DT><B>Tutorial:</B></DT><DD><A HREF="http://docs.codehaus.org/display/GEOTOOLS/Coordinate+Transformation+Services+for+Geotools+2.1">Coordinate Transformation Services for Geotools 2.1</A></DD><DT><B>Module:</B></DT><DD><CODE><B>module/referencing</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-referencing/"><CODE>gt2-referencing.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/referencing/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/referencing/src/org/geotools/referencing/CRS.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>static CoordinateReferenceSystem</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#decode(java.lang.String)">decode</A></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> code)</CODE><BR> Return a Coordinate Reference System for the specified code. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static CoordinateReferenceSystem</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#decode(java.lang.String, boolean)">decode</A></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> code, boolean longitudeFirst)</CODE><BR> Return a Coordinate Reference System for the specified code, maybe forcing the axis order to (<var>longitude</var>,<var>latitude</var>). </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#equalsIgnoreMetadata(java.lang.Object, java.lang.Object)">equalsIgnoreMetadata</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> object1, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> object2)</CODE><BR> Compares the specified objects for equality. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static MathTransform</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#findMathTransform(org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.referencing.crs.CoordinateReferenceSystem)">findMathTransform</A></B>(CoordinateReferenceSystem sourceCRS, CoordinateReferenceSystem targetCRS)</CODE><BR> Grab a transform between two Coordinate Reference Systems. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static MathTransform</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#findMathTransform(org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.referencing.crs.CoordinateReferenceSystem, boolean)">findMathTransform</A></B>(CoordinateReferenceSystem sourceCRS, CoordinateReferenceSystem targetCRS, boolean lenient)</CODE><BR> Grab a transform between two Coordinate Reference Systems. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static CRSAuthorityFactory</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#getAuthorityFactory(boolean)">getAuthorityFactory</A></B>(boolean longitudeFirst)</CODE><BR> Returns the CRS authority factory used by the <A HREF="../../../org/geotools/referencing/CRS.html#decode(java.lang.String, boolean)"><CODE>decode</CODE></A> methods. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static Envelope</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#getEnvelope(org.opengis.referencing.crs.CoordinateReferenceSystem)">getEnvelope</A></B>(CoordinateReferenceSystem crs)</CODE><BR> Returns the valid area bounding box for the specified coordinate reference system, or if unknown. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static GeographicBoundingBox</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#getGeographicBoundingBox(org.opengis.referencing.crs.CoordinateReferenceSystem)">getGeographicBoundingBox</A></B>(CoordinateReferenceSystem crs)</CODE><BR> Returns the valid geographic area for the specified coordinate reference system, or if unknown. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#getSupportedAuthorities(boolean)">getSupportedAuthorities</A></B>(boolean returnAliases)</CODE><BR> Returns the set of the authority identifiers supported by registered authority factories.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#getSupportedCodes(java.lang.String)">getSupportedCodes</A></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> authority)</CODE><BR> Get the list of the codes that are supported by the given authority. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <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/referencing/CRS.html#lookupIdentifier(org.opengis.referencing.crs.CoordinateReferenceSystem, java.util.Set, boolean)">lookupIdentifier</A></B>(CoordinateReferenceSystem ref, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Set.html" title="class or interface in java.util">Set</A> authorities, boolean fullScan)</CODE><BR> Looks up an identifier for the specified coordinate reference system</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static CoordinateReferenceSystem</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/referencing/CRS.html#parseWKT(java.lang.String)">parseWKT</A></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> wkt)</CODE>⌨️ 快捷键说明
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