exoreferencedgridcoveragereader.html

Geotools是一个开源的Java GIS工具包,可利用它来开发符合标准的地理信息系统。Geotools提供了OGC(Open Geospatial Consortium)规范的一个实现来作为他们的

<PRE>
protected <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A> <B>toImageFileName</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>&nbsp;filename)</PRE>
<DL>
<DD>Returns the filename for image data. This method is invoked by
 <A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#setInput(java.lang.Object, boolean)"><CODE>setInput(java.lang.Object, boolean)</CODE></A> after <A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#metadata"><CODE>metadata</CODE></A> has been loaded.
 Default implementation just replace the file extension by the
 <code>extension</code> argument specified to the constructor.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>filename</CODE> - The filename part of metadata file. This
         is the filename part of the file supplied by users
         to <A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#setInput(java.lang.Object, boolean)"><CODE>setInput(java.lang.Object, boolean)</CODE></A>.
<DT><B>Returns:</B><DD>The filename to use for for the image file. The
         directory is assumed to be the same than the metadata file.</DL>
</DD>
</DL>
<HR>

<A NAME="getCoordinateReferenceSystem(int)"><!-- --></A><H3>
getCoordinateReferenceSystem</H3>
<PRE>
public CoordinateReferenceSystem <B>getCoordinateReferenceSystem</B>(int&nbsp;index)
                                                                                   throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns the coordinate system for the <CODE>GridCoverage</CODE> to be read.
 The default implementation invokes
 <code><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#metadata"><CODE>metadata</CODE></A>.<A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html#getCoordinateReferenceSystem()"><CODE>getCoordinateReferenceSystem()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getCoordinateReferenceSystem(int)">getCoordinateReferenceSystem</A></CODE> in class <CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io">AbstractGridCoverageReader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - The index of the image to be queried.
<DT><B>Returns:</B><DD>The coordinate system for the <CODE>GridCoverage</CODE> at the specified index.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the input source has not been set.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the supplied index is out of bounds.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs reading the width information from
         the input source.</DL>
</DD>
</DL>
<HR>

<A NAME="getEnvelope(int)"><!-- --></A><H3>
getEnvelope</H3>
<PRE>
public Envelope <B>getEnvelope</B>(int&nbsp;index)
                                                        throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns the envelope for the <CODE>GridCoverage</CODE> to be read.
 The default implementation invokes
 <code><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#metadata"><CODE>metadata</CODE></A>.<A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html#getEnvelope()"><CODE>getEnvelope()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getEnvelope(int)">getEnvelope</A></CODE> in class <CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io">AbstractGridCoverageReader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - The index of the image to be queried.
<DT><B>Returns:</B><DD>The envelope for the <CODE>GridCoverage</CODE> at the specified index.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the input source has not been set.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the supplied index is out of bounds.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs reading the width information from
         the input source.</DL>
</DD>
</DL>
<HR>

<A NAME="getGridRange(int)"><!-- --></A><H3>
getGridRange</H3>
<PRE>
public GridRange <B>getGridRange</B>(int&nbsp;index)
                                                 throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns the grid range for the <CODE>GridCoverage</CODE> to be read.
 The default implementation try to invoke
 <code><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#metadata"><CODE>metadata</CODE></A>.<A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html#getGridRange()"><CODE>getGridRange()</CODE></A></code>,
 and fallback to <code>super.getGridRange(index)</code> if the later fails.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getGridRange(int)">getGridRange</A></CODE> in class <CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io">AbstractGridCoverageReader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - The index of the image to be queried.
<DT><B>Returns:</B><DD>The grid range for the <CODE>GridCoverage</CODE> at the specified index.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the input source has not been set.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the supplied index is out of bounds.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs reading the width information from
         the input source.</DL>
</DD>
</DL>
<HR>

<A NAME="getSampleDimensions(int)"><!-- --></A><H3>
getSampleDimensions</H3>
<PRE>
public SampleDimension[] <B>getSampleDimensions</B>(int&nbsp;index)
                                                           throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></PRE>
<DL>
<DD>Returns the sample dimensions for each band of the <CODE>GridCoverage</CODE>
 to be read. If sample dimensions are not known, then this method returns
 <code>null</code>. The default implementation invokes
 <code><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#metadata"><CODE>metadata</CODE></A>.<A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html#getSampleDimensions()"><CODE>getSampleDimensions()</CODE></A></code>.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getSampleDimensions(int)">getSampleDimensions</A></CODE> in class <CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io">AbstractGridCoverageReader</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - The index of the image to be queried.
<DT><B>Returns:</B><DD>The category lists for the <CODE>GridCoverage</CODE> at the specified index.
         This array's length must be equals to the number of bands in <CODE>GridCoverage</CODE>.
<DT><B>Throws:</B>
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalStateException.html" title="class or interface in java.lang">IllegalStateException</A></CODE> - if the input source has not been set.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></CODE> - if the supplied index is out of bounds.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/IOException.html" title="class or interface in java.io">IOException</A></CODE> - if an error occurs reading the width information from
         the input source.</DL>
</DD>
</DL>
<HR>

<A NAME="setLocale(java.util.Locale)"><!-- --></A><H3>
setLocale</H3>
<PRE>
public void <B>setLocale</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Locale.html" title="class or interface in java.util">Locale</A>&nbsp;locale)</PRE>
<DL>
<DD>Sets the current <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Locale.html" title="class or interface in java.util"><CODE>Locale</CODE></A> of this <code>AbstractGridCoverageReader</code>
 to the given value. A value of <code>null</code> removes any previous
 setting, and indicates that the reader should localize as it sees fit.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#setLocale(java.util.Locale)">setLocale</A></CODE> in class <CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io">AbstractGridCoverageReader</A></CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<!-- ========= END OF CLASS DATA ========= -->
<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>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="class-use/ExoreferencedGridCoverageReader.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io"><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>  &nbsp;
&nbsp;<A HREF="ExoreferencedGridCoverageReader.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;<A HREF="#field_summary">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;<A HREF="#field_detail">FIELD</A>&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>
Copyright &copy; 1996-2007 <a href="http://www.geotools.org">Geotools</a>. All Rights Reserved.
</BODY>
</HTML>