gridcoverage2d.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;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#getNumSampleDimensions()">getNumSampleDimensions</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the number of bands in the grid coverage.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#getOptimalDataBlockSizes()">getOptimalDataBlockSizes</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the optimal size to use for each dimension when accessing grid values.
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/renderable/RenderableImage.html" title="class or interface in java.awt.image.renderable">RenderableImage</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#getRenderableImage(int, int)">getRenderableImage</A></B>(int&nbsp;xAxis,
                   int&nbsp;yAxis)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns 2D view of this grid coverage as a renderable image.
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<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html" title="class or interface in java.awt.image">RenderedImage</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#getRenderedImage()">getRenderedImage</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns grid data as a rendered image.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;SampleDimension</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#getSampleDimension(int)">getSampleDimension</A></B>(int&nbsp;index)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Retrieve sample dimension information for the coverage.
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<CODE>&nbsp;<A HREF="../../../../org/geotools/coverage/GridSampleDimension.html" title="class in org.geotools.coverage">GridSampleDimension</A>[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#getSampleDimensions()">getSampleDimensions</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns all sample dimensions for this grid coverage.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#isDataEditable()">isDataEditable</A></B>()</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns  if grid data can be edited. </TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#prefetch(java.awt.geom.Rectangle2D)">prefetch</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Rectangle2D.html" title="class or interface in java.awt.geom">Rectangle2D</A>&nbsp;area)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hints that the given area may be needed in the near future. </TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#show(java.lang.String)">show</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;title)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{inheritDoc}</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html#show(java.lang.String, int, int)">show</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;title,
     int&nbsp;xAxis,
     int&nbsp;yAxis)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{inheritDoc}</TD>
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&nbsp;<A NAME="methods_inherited_from_class_AbstractGridCoverage"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
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<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html" title="class in org.geotools.coverage.grid">AbstractGridCoverage</A></B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getDataBlock(org.opengis.coverage.grid.GridRange, boolean[])">getDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getDataBlock(org.opengis.coverage.grid.GridRange, byte[])">getDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getDataBlock(org.opengis.coverage.grid.GridRange, double[])">getDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getDataBlock(org.opengis.coverage.grid.GridRange, float[])">getDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getDataBlock(org.opengis.coverage.grid.GridRange, int[])">getDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getDataBlock(org.opengis.coverage.grid.GridRange, short[])">getDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getGridPacking()">getGridPacking</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getNumOverviews()">getNumOverviews</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getOverview(int)">getOverview</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getOverviewGridGeometry(int)">getOverviewGridGeometry</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getPackedDataBlock(org.opengis.coverage.grid.GridRange)">getPackedDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#getSources()">getSources</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#pointOutsideCoverage(org.opengis.spatialschema.geometry.DirectPosition)">pointOutsideCoverage</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#pointOutsideCoverage(java.awt.geom.Point2D)">pointOutsideCoverage</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setDataBlock(org.opengis.coverage.grid.GridRange, boolean[])">setDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setDataBlock(org.opengis.coverage.grid.GridRange, byte[])">setDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setDataBlock(org.opengis.coverage.grid.GridRange, double[])">setDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setDataBlock(org.opengis.coverage.grid.GridRange, float[])">setDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setDataBlock(org.opengis.coverage.grid.GridRange, int[])">setDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setDataBlock(org.opengis.coverage.grid.GridRange, short[])">setDataBlock</A>, <A HREF="../../../../org/geotools/coverage/grid/AbstractGridCoverage.html#setPackedDataBlock(org.opengis.coverage.grid.GridRange, byte[])">setPackedDataBlock</A></CODE></TD>
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&nbsp;<A NAME="methods_inherited_from_class_AbstractCoverage"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from class <A HREF="../../../../org/geotools/coverage/AbstractCoverage.html" title="class in org.geotools.coverage">AbstractCoverage</A></B></TD>
</TR>
<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, boolean[])">evaluate</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#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#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="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<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>
</TR>
<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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&nbsp;<A NAME="methods_inherited_from_class_GridCoverage"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface GridCoverage</B></TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>getDataBlock, getDataBlock, getDataBlock, getDataBlock, getDataBlock, getDataBlock, getGridPacking, getNumOverviews, getOverview, getOverviewGridGeometry, getPackedDataBlock, setDataBlock, setDataBlock, setDataBlock, setDataBlock, setDataBlock, setDataBlock, setPackedDataBlock</CODE></TD>
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</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Coverage"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface Coverage</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>evaluate, evaluate, evaluateInverse, find, find, getCommonPointRule, getCoordinateReferenceSystem, getDimensionNames, getDomainElements, getDomainExtents, getMetadataNames, getMetadataValue, getRangeElements, getRangeType, getSources, list, select</CODE></TD>
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</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_PropertySource"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySource.html" title="class or interface in javax.media.jai">PropertySource</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PropertySource.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/PropertySource.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/PropertySource.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/PropertySource.html#getPropertyNames(java.lang.String)" title="class or interface in javax.media.jai">getPropertyNames</A></CODE></TD>
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<!-- ============ FIELD DETAIL =========== -->

<A NAME="field_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Field Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="image"><!-- --></A><H3>
image</H3>
<PRE>
protected final transient <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/PlanarImage.html" title="class or interface in javax.media.jai">PlanarImage</A> <B>image</B></PRE>
<DL>
<DD>The raster data.
<P>
<DL>
</DL>
</DL>
<HR>

<A NAME="gridGeometry"><!-- --></A><H3>
gridGeometry</H3>
<PRE>
protected final <A HREF="../../../../org/geotools/coverage/grid/GridGeometry2D.html" title="class in org.geotools.coverage.grid">GridGeometry2D</A> <B>gridGeometry</B></PRE>
<DL>
<DD>The grid geometry.
<P>
<DL>
</DL>
</DL>

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

<A NAME="constructor_detail"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TD COLSPAN=1><FONT SIZE="+2">
<B>Constructor Detail</B></FONT></TD>
</TR>
</TABLE>

<A NAME="GridCoverage2D(java.lang.CharSequence, org.geotools.coverage.grid.GridCoverage2D)"><!-- --></A><H3>
GridCoverage2D</H3>
<PRE>
protected <B>GridCoverage2D</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,
                         <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">GridCoverage2D</A>&nbsp;coverage)</PRE>
<DL>
<DD>Construct a new grid coverage with the same parameter than the specified
 coverage. This constructor is useful when creating a coverage with
 identical data, but in which some method has been overriden in order to