authoritybackedfactory.html
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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 11:36:20 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>AuthorityBackedFactory (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.referencing.operation.AuthorityBackedFactory class"><META NAME="keywords" CONTENT="getAuthorityFactory()"><META NAME="keywords" CONTENT="createFromDatabase()"><META NAME="keywords" CONTENT="accept()"><META NAME="keywords" CONTENT="isAvailable()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="AuthorityBackedFactory (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/AuthorityBackedFactory.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/operation/AbstractCoordinateOperationFactory.html" title="class in org.geotools.referencing.operation"><B>PREV CLASS</B></A> <A HREF="../../../../org/geotools/referencing/operation/BufferedCoordinateOperationFactory.html" title="class in org.geotools.referencing.operation"><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="AuthorityBackedFactory.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 | <A HREF="#fields_inherited_from_class_AbstractCoordinateOperationFactory">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <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.operation</FONT><BR>Class AuthorityBackedFactory</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"><A HREF="../../../../org/geotools/factory/AbstractFactory.html" title="class in org.geotools.factory">AbstractFactory</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html" title="class in org.geotools.referencing.factory">ReferencingFactory</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html" title="class in org.geotools.referencing.operation">AbstractCoordinateOperationFactory</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../org/geotools/referencing/operation/DefaultCoordinateOperationFactory.html" title="class in org.geotools.referencing.operation">DefaultCoordinateOperationFactory</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>AuthorityBackedFactory</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>CoordinateOperationFactory, <A HREF="../../../../org/geotools/factory/Factory.html" title="interface in org.geotools.factory">Factory</A>, Factory, ObjectFactory, <A HREF="../../../../org/geotools/factory/OptionalFactory.html" title="interface in org.geotools.factory">OptionalFactory</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/spi/RegisterableService.html" title="class or interface in javax.imageio.spi">RegisterableService</A></DD></DL><HR><DL><DT>public class <B>AuthorityBackedFactory</B><DT>extends <A HREF="../../../../org/geotools/referencing/operation/DefaultCoordinateOperationFactory.html" title="class in org.geotools.referencing.operation">DefaultCoordinateOperationFactory</A><DT>implements <A HREF="../../../../org/geotools/factory/OptionalFactory.html" title="interface in org.geotools.factory">OptionalFactory</A></DL><P>A coordinate operation factory extended with the extra informations provided by an authority factory. Such authority factory may help to find transformation paths not available otherwise (often determined from empirical parameters). Authority factories can also provide additional informations like the area of validity, scope and positional accuracy. <p> When <code><A HREF="../../../../org/geotools/referencing/operation/DefaultCoordinateOperationFactory.html#createOperation(org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.referencing.crs.CoordinateReferenceSystem)">createOperation</A>(sourceCRS, targetCRS)</code> is invoked, fetch the authority codes for source and target CRS and submits them to the <A HREF="../../../../org/geotools/referencing/operation/AuthorityBackedFactory.html#getAuthorityFactory()">underlying authority factory</A> through a call to its <code>createFromCoordinateReferenceSystemCodes(sourceCode, targetCode)</code> method. If the authority factory doesn't know about the specified CRS, then the default (standalone) process from the super-class is used as a fallback.<P><P><DL><DT><B>Since:</B></DT> <DD>2.2</DD><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</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/operation/AuthorityBackedFactory.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR></TABLE> <A NAME="fields_inherited_from_class_AbstractCoordinateOperationFactory"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html" title="class in org.geotools.referencing.operation">AbstractCoordinateOperationFactory</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#AXIS_CHANGES">AXIS_CHANGES</A>, <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#DATUM_SHIFT">DATUM_SHIFT</A>, <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#ELLIPSOID_SHIFT">ELLIPSOID_SHIFT</A>, <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#GEOCENTRIC_CONVERSION">GEOCENTRIC_CONVERSION</A>, <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#IDENTITY">IDENTITY</A>, <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#INVERSE_OPERATION">INVERSE_OPERATION</A>, <A HREF="../../../../org/geotools/referencing/operation/AbstractCoordinateOperationFactory.html#mtFactory">mtFactory</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_ReferencingFactory"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class <A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html" title="class in org.geotools.referencing.factory">ReferencingFactory</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../org/geotools/referencing/factory/ReferencingFactory.html#LOGGER">LOGGER</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_AbstractFactory"><!-- --></A>⌨️ 快捷键说明
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