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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 11:36:22 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>CoverageStack.Element (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.coverage.CoverageStack.Element interface"><META NAME="keywords" CONTENT="getName()"><META NAME="keywords" CONTENT="getZRange()"><META NAME="keywords" CONTENT="getEnvelope()"><META NAME="keywords" CONTENT="getGridGeometry()"><META NAME="keywords" CONTENT="getSampleDimensions()"><META NAME="keywords" CONTENT="getCoverage()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="CoverageStack.Element (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/CoverageStack.Element.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 NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="CoverageStack.Element.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.coverage</FONT><BR>Interface CoverageStack.Element</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../org/geotools/coverage/CoverageStack.Adapter.html" title="class in org.geotools.coverage">CoverageStack.Adapter</A></DD></DL><DL><DT><B>Enclosing interface:</B><DD><A HREF="../../../org/geotools/coverage/CoverageStack.html" title="class in org.geotools.coverage">CoverageStack</A></DD></DL><HR><DL><DT>public static interface <B>CoverageStack.Element</B></DL><P>An element in a <A HREF="../../../org/geotools/coverage/CoverageStack.html" title="class in org.geotools.coverage">coverage stack</A>. Each element is expected to extents over a range of <var>z</var> values (the new dimensions appended by the container). Implementations should be capable to returns coverage's <A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getZRange()">range of z-values</A> without loading the coverage's data. If an expensive loading is required, it should be delayed until the <A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getCoverage(org.geotools.image.io.IIOListeners)"><CODE>getCoverage(org.geotools.image.io.IIOListeners)</CODE></A> method is invoked. If is invoked more than once, caching (if desirable) is implementor's responsability. <p> All methods declares <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io"><CODE>IOException</CODE></A> in their throws cause in case I/O operations are required. Subclasses of include <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/IIOException.html" title="class or interface in javax.imageio"><CODE>IIOException</CODE></A> for image I/O operations, or <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/rmi/RemoteOperation.html" title="class or interface in java.rmi"><CODE>RemoteOperation</CODE></A> for remote method invocation (which may be useful for large images database backed by a distant server).<P><P><DL><DT><B>Since:</B></DT> <DD>2.1</DD><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</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> Coverage</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getCoverage(org.geotools.image.io.IIOListeners)">getCoverage</A></B>(<A HREF="../../../org/geotools/image/io/IIOListeners.html" title="class in org.geotools.image.io">IIOListeners</A> listeners)</CODE><BR> Returns the coverage, loading the data if needed. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> Envelope</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getEnvelope()">getEnvelope</A></B>()</CODE><BR> Returns the coverage envelope, or if this information is too expensive to compute. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> GridGeometry</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getGridGeometry()">getGridGeometry</A></B>()</CODE><BR> The coverage grid geometry, or if this information do not applies or is too expensive to compute. </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/coverage/CoverageStack.Element.html#getName()">getName</A></B>()</CODE><BR> Returns a name for the coverage. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> SampleDimension[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getSampleDimensions()">getSampleDimensions</A></B>()</CODE><BR> The sample dimension for the coverage, or if this information is too expensive to compute. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../org/geotools/util/NumberRange.html" title="class in org.geotools.util">NumberRange</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../org/geotools/coverage/CoverageStack.Element.html#getZRange()">getZRange</A></B>()</CODE><BR> Returns the minimum and maximum <var>z</var> value for the coverage. </TD>⌨️ 快捷键说明
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