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

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<CODE>&nbsp;Envelope</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#getEnvelope(int)">getEnvelope</A></B>(int&nbsp;index)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the envelope for the <CODE>GridCoverage</CODE> to be read.
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<CODE>&nbsp;GridRange</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#getGridRange(int)">getGridRange</A></B>(int&nbsp;index)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the grid range for the <CODE>GridCoverage</CODE> to be read.
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<CODE>&nbsp;SampleDimension[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#getSampleDimensions(int)">getSampleDimensions</A></B>(int&nbsp;index)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the sample dimensions for each band of the <CODE>GridCoverage</CODE>
 to be read. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#reset()">reset</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Restores the <code>AbstractGridCoverageReader</code> to its initial state.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#setInput(java.lang.Object, boolean)">setInput</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>&nbsp;input,
         boolean&nbsp;seekForwardOnly)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the input source to the given object. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#setLocale(java.util.Locale)">setLocale</A></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)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<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/io/ExoreferencedGridCoverageReader.html#toImageFileName(java.lang.String)">toImageFileName</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>&nbsp;filename)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the filename for image data. </TD>
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&nbsp;<A NAME="methods_inherited_from_class_AbstractGridCoverageReader"><!-- --></A>
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<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html" title="class in org.geotools.coverage.io">AbstractGridCoverageReader</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getGridCoverage(int)">getGridCoverage</A>, <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getImageReaders(java.lang.Object)">getImageReaders</A>, <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getLocale()">getLocale</A>, <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getName(int)">getName</A>, <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getNumImages(boolean)">getNumImages</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_Object"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Methods inherited from class <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#clone()" title="class or interface in java.lang">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#equals(java.lang.Object)" title="class or interface in java.lang">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#finalize()" title="class or interface in java.lang">finalize</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#getClass()" title="class or interface in java.lang">getClass</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#hashCode()" title="class or interface in java.lang">hashCode</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notify()" title="class or interface in java.lang">notify</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#notifyAll()" title="class or interface in java.lang">notifyAll</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#toString()" title="class or interface in java.lang">toString</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait()" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long)" title="class or interface in java.lang">wait</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html#wait(long, int)" title="class or interface in java.lang">wait</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

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<B>Field Detail</B></FONT></TD>
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<A NAME="metadata"><!-- --></A><H3>
metadata</H3>
<PRE>
protected <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io">MetadataBuilder</A> <B>metadata</B></PRE>
<DL>
<DD>The object to use for parsing the meta-data.
<P>
<DL>
</DL>
</DL>

<!-- ========= CONSTRUCTOR DETAIL ======== -->

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="ExoreferencedGridCoverageReader(java.lang.String, org.geotools.coverage.io.MetadataBuilder)"><!-- --></A><H3>
ExoreferencedGridCoverageReader</H3>
<PRE>
public <B>ExoreferencedGridCoverageReader</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;formatName,
                                       <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io">MetadataBuilder</A>&nbsp;parser)</PRE>
<DL>
<DD>Construct a new <code>ExoreferencedGridCoverageReader</code>
 using the specified <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io"><CODE>MetadataBuilder</CODE></A>.
<P>
<DT><B>Parameters:</B><DD><CODE>formatName</CODE> - The name for this format. This format name should be
        understood by <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageIO.html#getImageReadersByFormatName(java.lang.String)" title="class or interface in javax.imageio"><CODE>ImageIO.getImageReadersByFormatName(String)</CODE></A>,
        unless <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getImageReaders(java.lang.Object)"><CODE>AbstractGridCoverageReader.getImageReaders(java.lang.Object)</CODE></A> is overriden.<DD><CODE>parser</CODE> - The <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io"><CODE>MetadataBuilder</CODE></A> to use for reading geographic metadata.</DL>
<HR>

<A NAME="ExoreferencedGridCoverageReader(java.lang.String, java.lang.String, org.geotools.coverage.io.MetadataBuilder)"><!-- --></A><H3>
ExoreferencedGridCoverageReader</H3>
<PRE>
public <B>ExoreferencedGridCoverageReader</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;formatName,
                                       <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;extension,
                                       <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io">MetadataBuilder</A>&nbsp;parser)</PRE>
<DL>
<DD>Construct a new <code>ExoreferencedGridCoverageReader</code>
 using the specified <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io"><CODE>MetadataBuilder</CODE></A>.
<P>
<DT><B>Parameters:</B><DD><CODE>formatName</CODE> - The name for this format. This format name should be
        understood by <A HREF="http://java.sun.com/j2se/1.4/docs/api/javax/imageio/ImageIO.html#getImageReadersByFormatName(java.lang.String)" title="class or interface in javax.imageio"><CODE>ImageIO.getImageReadersByFormatName(String)</CODE></A>,
        unless <A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#getImageReaders(java.lang.Object)"><CODE>AbstractGridCoverageReader.getImageReaders(java.lang.Object)</CODE></A> is overriden.<DD><CODE>extension</CODE> - Filename's extensions for file of this format.<DD><CODE>parser</CODE> - The <A HREF="../../../../org/geotools/coverage/io/MetadataBuilder.html" title="class in org.geotools.coverage.io"><CODE>MetadataBuilder</CODE></A> to use for reading geographic metadata.</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
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<A NAME="reset()"><!-- --></A><H3>
reset</H3>
<PRE>
public void <B>reset</B>()
           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>Restores the <code>AbstractGridCoverageReader</code> to its initial state.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#reset()">reset</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>Throws:</B>
<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 while disposing resources.</DL>
</DD>
</DL>
<HR>

<A NAME="setInput(java.lang.Object, boolean)"><!-- --></A><H3>
setInput</H3>
<PRE>
public void <B>setInput</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>&nbsp;input,
                     boolean&nbsp;seekForwardOnly)
              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>Sets the input source to the given object. The input must be
 <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/File.html" title="class or interface in java.io"><CODE>File</CODE></A> or an <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net"><CODE>URL</CODE></A> object. The input source must
 be the <em>metadata</em> file or URL. The image file or URL
 will be derived from the metadata filename by a call to
 <A HREF="../../../../org/geotools/coverage/io/ExoreferencedGridCoverageReader.html#toImageFileName(java.lang.String)"><CODE>toImageFileName(java.lang.String)</CODE></A>, which may be overriden.
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../../../org/geotools/coverage/io/AbstractGridCoverageReader.html#setInput(java.lang.Object, boolean)">setInput</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>input</CODE> - The <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/File.html" title="class or interface in java.io"><CODE>File</CODE></A> or <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/net/URL.html" title="class or interface in java.net"><CODE>URL</CODE></A> to be read.<DD><CODE>seekForwardOnly</CODE> - if <code>true</code>, grid coverages
         and metadata may only be read in ascending order from
         the input source.
<DT><B>Throws:</B>
<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 I/O operation failed.
<DD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IllegalArgumentException.html" title="class or interface in java.lang">IllegalArgumentException</A></CODE> - if input is not an instance
         of a classe supported by this reader.</DL>
</DD>
</DL>
<HR>

<A NAME="toImageFileName(java.lang.String)"><!-- --></A><H3>
toImageFileName</H3>