transformedcoverage.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;byte[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, byte[])">evaluate</A></B>(DirectPosition&nbsp;coord,
         byte[]&nbsp;dest)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a sequence of byte values for a given point in the coverage.</TD>
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<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, double[])">evaluate</A></B>(DirectPosition&nbsp;coord,
         double[]&nbsp;dest)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a sequence of double values for a given point in the coverage.</TD>
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<CODE>&nbsp;float[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, float[])">evaluate</A></B>(DirectPosition&nbsp;coord,
         float[]&nbsp;dest)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a sequence of float values for a given point in the coverage.</TD>
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<CODE>&nbsp;int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, int[])">evaluate</A></B>(DirectPosition&nbsp;coord,
         int[]&nbsp;dest)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a sequence of integer values for a given point in the coverage.</TD>
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<CODE>&nbsp;Envelope</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#getEnvelope()">getEnvelope</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the envelope.</TD>
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<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#getNumSampleDimensions()">getNumSampleDimensions</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The number of sample dimensions in the coverage.
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<CODE>&nbsp;SampleDimension</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#getSampleDimension(int)">getSampleDimension</A></B>(int&nbsp;index)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Retrieve sample dimension information for the coverage.</TD>
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<CODE>static&nbsp;Coverage</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#reproject(java.lang.CharSequence, org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.coverage.Coverage)">reproject</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang">CharSequence</A>&nbsp;name,
          CoordinateReferenceSystem&nbsp;crs,
          Coverage&nbsp;coverage)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new coverage wrapping the specified one with a different CRS.
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&nbsp;<A NAME="methods_inherited_from_class_AbstractCoverage"><!-- --></A>
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<TD><B>Methods inherited from class <A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#dispose()">dispose</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluate(org.opengis.spatialschema.geometry.DirectPosition, java.util.Set)">evaluate</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#evaluateInverse(org.opengis.util.Record)">evaluateInverse</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#find(org.opengis.spatialschema.geometry.DirectPosition)">find</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#find(org.opengis.spatialschema.geometry.DirectPosition, int)">find</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getCommonPointRule()">getCommonPointRule</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getCoordinateReferenceSystem()">getCoordinateReferenceSystem</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getDimension()">getDimension</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getDimensionNames()">getDimensionNames</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getDimensionNames(java.util.Locale)">getDimensionNames</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getDomainElements()">getDomainElements</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getDomainExtents()">getDomainExtents</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getLocale()">getLocale</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getMetadataNames()">getMetadataNames</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getMetadataValue(java.lang.String)">getMetadataValue</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getName()">getName</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getRangeElements()">getRangeElements</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getRangeType()">getRangeType</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getRenderableImage(int, int)">getRenderableImage</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getSources()">getSources</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#list()">list</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#select(org.opengis.spatialschema.geometry.Geometry, org.opengis.temporal.Period)">select</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#show()">show</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#show(int, int)">show</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#show(java.lang.String)">show</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#show(java.lang.String, int, int)">show</A>, <A HREF="../../../org/geotools/coverage/AbstractCoverage.html#toString()">toString</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_PropertySourceImpl"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html" title="class or interface in javax.media.jai">PropertySourceImpl</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getProperties()" title="class or interface in javax.media.jai">getProperties</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getProperty(java.lang.String)" title="class or interface in javax.media.jai">getProperty</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getPropertyClass(java.lang.String)" title="class or interface in javax.media.jai">getPropertyClass</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getPropertyNames()" title="class or interface in javax.media.jai">getPropertyNames</A>, <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySourceImpl.html#getPropertyNames(java.lang.String)" title="class or interface in javax.media.jai">getPropertyNames</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#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="coverage"><!-- --></A><H3>
coverage</H3>
<PRE>
protected final Coverage <B>coverage</B></PRE>
<DL>
<DD>The wrapped coverage.
<P>
<DL>
</DL>
</DL>

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

<A NAME="constructor_detail"><!-- --></A>
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<B>Constructor Detail</B></FONT></TD>
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</TABLE>

<A NAME="TransformedCoverage(java.lang.CharSequence, org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.coverage.Coverage)"><!-- --></A><H3>
TransformedCoverage</H3>
<PRE>
protected <B>TransformedCoverage</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang">CharSequence</A>&nbsp;name,
                              CoordinateReferenceSystem&nbsp;crs,
                              Coverage&nbsp;coverage)
                       throws FactoryException</PRE>
<DL>
<DD>Creates a new coverage wrapping the specified one.
<P>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The name for this new coverage.<DD><CODE>crs</CODE> - The crs for this coverage.<DD><CODE>coverage</CODE> - The coverage to wraps.
<DT><B>Throws:</B>
<DD><CODE>FactoryException</CODE> - if no transformation can be found from the coverage CRS to the
         specified CRS.</DL>

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

<A NAME="method_detail"><!-- --></A>
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<TD COLSPAN=1><FONT SIZE="+2">
<B>Method Detail</B></FONT></TD>
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</TABLE>

<A NAME="reproject(java.lang.CharSequence, org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.coverage.Coverage)"><!-- --></A><H3>
reproject</H3>
<PRE>
public static Coverage <B>reproject</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang">CharSequence</A>&nbsp;name,
                                 CoordinateReferenceSystem&nbsp;crs,
                                 Coverage&nbsp;coverage)
                                               throws FactoryException</PRE>
<DL>
<DD>Creates a new coverage wrapping the specified one with a different CRS.
 If the specified coverage already uses the specified CRS (or an equivalent one),
 it is returned unchanged.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>name</CODE> - The name for this new coverage.<DD><CODE>crs</CODE> - The crs for this coverage.<DD><CODE>coverage</CODE> - The coverage to wraps.
<DT><B>Returns:</B><DD>A coverage using the specified CRS.
<DT><B>Throws:</B>
<DD><CODE>FactoryException</CODE> - if no transformation can be found from the coverage CRS to the
         specified CRS.</DL>
</DD>
</DL>
<HR>

<A NAME="getNumSampleDimensions()"><!-- --></A><H3>
getNumSampleDimensions</H3>
<PRE>
public int <B>getNumSampleDimensions</B>()</PRE>
<DL>
<DD>The number of sample dimensions in the coverage.
 For grid coverages, a sample dimension is a band.
<P>
<DD><DL>

<DT><B>Returns:</B><DD>The number of sample dimensions in the coverage.</DL>
</DD>
</DL>
<HR>

<A NAME="getSampleDimension(int)"><!-- --></A><H3>
getSampleDimension</H3>
<PRE>
public SampleDimension <B>getSampleDimension</B>(int&nbsp;index)
                                                        throws <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/IndexOutOfBoundsException.html" title="class or interface in java.lang">IndexOutOfBoundsException</A></PRE>
<DL>
<DD>Retrieve sample dimension information for the coverage.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>index</CODE> - Index for sample dimension to retrieve. Indices are numbered 0 to
         (<var><A HREF="../../../org/geotools/coverage/TransformedCoverage.html#getNumSampleDimensions()">n</A></var>-1).
<DT><B>Returns:</B><DD>Sample dimension information for the coverage.
<DT><B>Throws:</B>
<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  is out of bounds.</DL>
</DD>
</DL>
<HR>

<A NAME="getEnvelope()"><!-- --></A><H3>
getEnvelope</H3>
<PRE>
public Envelope <B>getEnvelope</B>()</PRE>
<DL>
<DD>Returns the envelope.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getEnvelope</CODE> in interface <CODE>Coverage</CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html#getEnvelope()">getEnvelope</A></CODE> in class <CODE><A HREF="../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>The bounding box for the coverage domain in coordinate system
         coordinates.</DL>