operationjai.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

           int primarySourceIndex,
           <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.Parameters.html" title="class in org.geotools.coverage.processing">OperationJAI.Parameters</A>&nbsp;parameters)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a name for the target <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">grid coverage</A> based on the given
 sources. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/util/NumberRange.html" title="class in org.geotools.util">NumberRange</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#deriveRange(org.geotools.util.NumberRange[], org.geotools.coverage.processing.OperationJAI.Parameters)">deriveRange</A></B>(<A HREF="../../../../org/geotools/util/NumberRange.html" title="class in org.geotools.util">NumberRange</A>[]&nbsp;ranges,
            <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.Parameters.html" title="class in org.geotools.coverage.processing">OperationJAI.Parameters</A>&nbsp;parameters)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the range of value for a single <A HREF="../../../../org/geotools/coverage/GridSampleDimension.html" title="class in org.geotools.coverage">sample dimension</A>
 in the target <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">grid coverage</A>. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &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/processing/OperationJAI.html#deriveSampleDimension(org.geotools.coverage.GridSampleDimension[][], org.geotools.coverage.processing.OperationJAI.Parameters)">deriveSampleDimension</A></B>(<A HREF="../../../../org/geotools/coverage/GridSampleDimension.html" title="class in org.geotools.coverage">GridSampleDimension</A>[][]&nbsp;bandLists,
                      <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.Parameters.html" title="class in org.geotools.coverage.processing">OperationJAI.Parameters</A>&nbsp;parameters)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the <A HREF="../../../../org/geotools/coverage/GridSampleDimension.html" title="class in org.geotools.coverage">sample dimensions</A> for the target
 <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">grid coverage</A>. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="http://jsr-108.sourceforge.net/javadoc/javax/units/Unit.html" title="class or interface in javax.units">Unit</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#deriveUnit(javax.units.Unit[], org.geotools.coverage.processing.OperationJAI.Parameters)">deriveUnit</A></B>(<A HREF="http://jsr-108.sourceforge.net/javadoc/javax/units/Unit.html" title="class or interface in javax.units">Unit</A>[]&nbsp;units,
           <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.Parameters.html" title="class in org.geotools.coverage.processing">OperationJAI.Parameters</A>&nbsp;parameters)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the unit of data for a single <A HREF="../../../../org/geotools/coverage/GridSampleDimension.html" title="class in org.geotools.coverage">sample dimension</A> in the
 target <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">grid coverage</A>. </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;Coverage</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#doOperation(org.opengis.parameter.ParameterValueGroup, org.geotools.factory.Hints)">doOperation</A></B>(ParameterValueGroup&nbsp;parameters,
            <A HREF="../../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Applies a process operation to a grid coverage.
 </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;boolean</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#equals(java.lang.Object)">equals</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;object)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Compares the specified object with this operation for equality.</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/Boolean.html" title="class or interface in java.lang">Boolean</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#extractSources(org.opengis.parameter.ParameterValueGroup, java.lang.String[], org.geotools.coverage.grid.GridCoverage2D[])">extractSources</A></B>(ParameterValueGroup&nbsp;parameters,
               <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;sourceNames,
               <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">GridCoverage2D</A>[]&nbsp;sources)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Extracts and prepares ths sources for this <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html" title="class in org.geotools.coverage.processing"><CODE>OperationJAI</CODE></A>, taking
 into account the ned for going to the geophysics view of the data in case
 this operation requires so.
 
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>static&nbsp;<A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/JAI.html" title="class or interface in javax.media.jai">JAI</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#getJAI(java.awt.RenderingHints)">getJAI</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/RenderingHints.html" title="class or interface in java.awt">RenderingHints</A>&nbsp;hints)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/JAI.html" title="class or interface in javax.media.jai"><CODE>JAI</CODE></A> instance to use for operations on <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/image/RenderedImage.html" title="class or interface in java.awt.image"><CODE>RenderedImage</CODE></A>.
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected static&nbsp;<A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/OperationDescriptor.html" title="class or interface in javax.media.jai">OperationDescriptor</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#getOperationDescriptor(java.lang.String)">getOperationDescriptor</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;name)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the operation descriptor for the specified JAI operation name. </TD>
</TR>
<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/util/Map.html" title="class or interface in java.util">Map</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#getProperties(java.awt.image.RenderedImage, org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.util.InternationalString, org.opengis.referencing.operation.MathTransform, org.geotools.coverage.grid.GridCoverage2D[], org.geotools.coverage.processing.OperationJAI.Parameters)">getProperties</A></B>(<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>&nbsp;data,
              CoordinateReferenceSystem&nbsp;crs,
              InternationalString&nbsp;name,
              MathTransform&nbsp;toCRS,
              <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">GridCoverage2D</A>[]&nbsp;sources,
              <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.Parameters.html" title="class in org.geotools.coverage.processing">OperationJAI.Parameters</A>&nbsp;parameters)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This method provides a hook for subclasses to set properties
 on the <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid"><CODE>GridCoverage2D</CODE></A> we create during the <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#doOperation(org.opengis.parameter.ParameterValueGroup, org.geotools.factory.Hints)"><CODE>doOperation(ParameterValueGroup, Hints)</CODE></A>
 method. 
 
 </TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;<A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">GridCoverage2D</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#postProcessResult(java.lang.Boolean, org.geotools.coverage.grid.GridCoverage2D)">postProcessResult</A></B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Boolean.html" title="class or interface in java.lang">Boolean</A>&nbsp;requireGeophysicsType,
                  <A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">GridCoverage2D</A>&nbsp;coverage)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>protected &nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#resampleToCommonGeometry(org.geotools.coverage.grid.GridCoverage2D[], org.opengis.referencing.crs.CoordinateReferenceSystem, org.opengis.referencing.operation.MathTransform2D, org.geotools.factory.Hints)">resampleToCommonGeometry</A></B>(<A HREF="../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid">GridCoverage2D</A>[]&nbsp;sources,
                         CoordinateReferenceSystem&nbsp;crs2D,
                         MathTransform2D&nbsp;gridToCrs2D,
                         <A HREF="../../../../org/geotools/factory/Hints.html" title="class in org.geotools.factory">Hints</A>&nbsp;hints)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Resamples all sources grid coverages to the same <A HREF="../../../../org/geotools/coverage/grid/GridGeometry2D.html" title="class in org.geotools.coverage.grid">two-dimensional
 geometry</A> before to apply the <A HREF="../../../../org/geotools/coverage/processing/OperationJAI.html#operation">operation</A>. </TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Operation2D"><!-- --></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/processing/Operation2D.html" title="class in org.geotools.coverage.processing">Operation2D</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/coverage/processing/Operation2D.html#getFactory(org.geotools.factory.Hints)">getFactory</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_AbstractOperation"><!-- --></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/processing/AbstractOperation.html" title="class in org.geotools.coverage.processing">AbstractOperation</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#ensureNonNull(java.lang.String, java.lang.Object)">ensureNonNull</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getDescription()">getDescription</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getDocURL()">getDocURL</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getName()">getName</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getNumSources()">getNumSources</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getParameters()">getParameters</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getProcessor(java.awt.RenderingHints)">getProcessor</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getVendor()">getVendor</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#getVersion()">getVersion</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#hashCode()">hashCode</A>, <A HREF="../../../../org/geotools/coverage/processing/AbstractOperation.html#toString()">toString</A></CODE></TD>
</TR>
</TABLE>
&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#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#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>
</TR>
</TABLE>
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