abstractprocessor.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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<A NAME="LOGGER"><!-- --></A><H3>
LOGGER</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Logger.html" title="class or interface in java.util.logging">Logger</A> <B>LOGGER</B></PRE>
<DL>
<DD>The logger for coverage processing operations.
<P>
<DL>
</DL>
</DL>
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<A NAME="OPERATION"><!-- --></A><H3>
OPERATION</H3>
<PRE>
public static final <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Level.html" title="class or interface in java.util.logging">Level</A> <B>OPERATION</B></PRE>
<DL>
<DD>The logging level for reporting coverage operations.
 This level is equals or slightly lower than <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/logging/Level.html#INFO" title="class or interface in java.util.logging"><CODE>Level.INFO</CODE></A>.
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<B>Constructor Detail</B></FONT></TD>
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<A NAME="AbstractProcessor()"><!-- --></A><H3>
AbstractProcessor</H3>
<PRE>
public <B>AbstractProcessor</B>()</PRE>
<DL>
<DD>Constructs a coverage processor.
<P>
</DL>

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<A NAME="getInstance()"><!-- --></A><H3>
getInstance</H3>
<PRE>
public static <A HREF="../../../../org/geotools/coverage/processing/AbstractProcessor.html" title="class in org.geotools.coverage.processing">AbstractProcessor</A> <B>getInstance</B>()</PRE>
<DL>
<DD>Returns a default processor instance.
 <p>
 <strong>Note:</strong> this is a temporary method, until we have GeoAPI interface for
 coverage processor and a factory finder for their implementations.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="getOperations()"><!-- --></A><H3>
getOperations</H3>
<PRE>
public abstract <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Collection.html" title="class or interface in java.util">Collection</A> <B>getOperations</B>()</PRE>
<DL>
<DD>Retrieves grid processing operations information. Each operation information contains
 the name of the operation as well as a list of its parameters.
<P>
<DD><DL>
</DL>
</DD>
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<A NAME="getOperation(java.lang.String)"><!-- --></A><H3>
getOperation</H3>
<PRE>
public abstract Operation <B>getOperation</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;name)
                                                                throws OperationNotFoundException</PRE>
<DL>
<DD>Returns the operation for the specified name.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - Name of the operation.
<DT><B>Returns:</B><DD>The operation for the given name.
<DT><B>Throws:</B>
<DD><CODE>OperationNotFoundException</CODE> - if there is no operation for the specified name.</DL>
</DD>
</DL>
<HR>

<A NAME="doOperation(org.opengis.parameter.ParameterValueGroup)"><!-- --></A><H3>
doOperation</H3>
<PRE>
public abstract Coverage <B>doOperation</B>(ParameterValueGroup&nbsp;parameters)
                                                   throws OperationNotFoundException</PRE>
<DL>
<DD>Applies an operation.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>parameters</CODE> - Parameters required for the operation.
<DT><B>Returns:</B><DD>The result as a coverage.
<DT><B>Throws:</B>
<DD><CODE>OperationNotFoundException</CODE> - if there is no operation for the parameter group name.</DL>
</DD>
</DL>
<HR>

<A NAME="getLocale()"><!-- --></A><H3>
getLocale</H3>
<PRE>
public <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Locale.html" title="class or interface in java.util">Locale</A> <B>getLocale</B>()</PRE>
<DL>
<DD>The locale for logging message or reporting errors. The default implementations
 returns the <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/Locale.html#getDefault()" title="class or interface in java.util">default locale</A>. Subclasses can override
 this method if a different locale is wanted.
<P>
<DD><DL>
</DL>
</DD>
</DL>
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<A NAME="listOperations(java.io.Writer)"><!-- --></A><H3>
listOperations</H3>
<PRE>
public void <B>listOperations</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Writer.html" title="class or interface in java.io">Writer</A>&nbsp;out)
                    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>Lists a summary of all operations to the specified stream.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - The destination stream.
<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 occured will writing to the stream.</DL>
</DD>
</DL>
<HR>

<A NAME="printOperations(java.io.Writer, java.lang.String[])"><!-- --></A><H3>
printOperations</H3>
<PRE>
public void <B>printOperations</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Writer.html" title="class or interface in java.io">Writer</A>&nbsp;out,
                            <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;names)
                     throws OperationNotFoundException,
                            <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>Prints a description of operations to the specified stream. If the  array
 is non-null, then only the specified operations are printed. Otherwise, all operations
 are printed. The description details include operation names and lists of parameters.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>out</CODE> - The destination stream.<DD><CODE>names</CODE> - The operation to print, or an empty array for none, or  for all.
<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 occured will writing to the stream.
<DD><CODE>OperationNotFoundException</CODE> - if an operation named in  was not found.</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</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;args)</PRE>
<DL>
<DD>Dumps to the <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/System.html#out" title="class or interface in java.lang">standard output stream</A> a list of operations for the
 default processor. If no argument is provided, then only a summary of operations is printed.
 If arguments are provided, then the operation parameters are printed for all operation names
 given in arguments. This method can been invoked from the command line. For example:

 <blockquote><pre>
 java org.geotools.coverage.processing.DefaultProcessor Interpolate
 </pre></blockquote>

 <strong>Note for Windows users:</strong> If the output contains strange
 symbols, try to supply an "" argument. Example:

 <blockquote><pre>
 java org.geotools.coverage.processing.DefaultProcessor -encoding Cp850
 </pre></blockquote>

 The codepage number (850 in the previous example) can be fetch from the DOS
 command line by entering the "" command with no arguments.
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