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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.4.2_13) on Tue Jun 05 11:36:23 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>Interpolate (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.coverage.processing.operation.Interpolate class"><META NAME="keywords" CONTENT="TYPE"><META NAME="keywords" CONTENT="doOperation()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Interpolate (Geotools 2.3.x 2.3.2 API)";}</SCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Interpolate.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../org/geotools/coverage/processing/operation/Histogram.html" title="class in org.geotools.coverage.processing.operation"><B>PREV CLASS</B></A> <A HREF="../../../../../org/geotools/coverage/processing/operation/Invert.html" title="class in org.geotools.coverage.processing.operation"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="Interpolate.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">org.geotools.coverage.processing.operation</FONT><BR>Class Interpolate</H2><PRE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A> <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../../org/geotools/coverage/processing/AbstractOperation.html" title="class in org.geotools.coverage.processing">AbstractOperation</A> <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../../org/geotools/coverage/processing/Operation2D.html" title="class in org.geotools.coverage.processing">Operation2D</A> <IMG SRC="../../../../../resources/inherit.gif" ALT="extended by"><B>Interpolate</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>Operation, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DD></DL><HR><DL><DT>public class <B>Interpolate</B><DT>extends <A HREF="../../../../../org/geotools/coverage/processing/Operation2D.html" title="class in org.geotools.coverage.processing">Operation2D</A></DL><P>Specifies the interpolation type to be used to interpolate values for points which fall between grid cells. The default value is nearest neighbor. The new interpolation type operates on all sample dimensions. Possible values for type are: , and (the interpolation type is currently not supported). <p> <strong>Geotools extension:</strong><br> The Geotools implementation provides two extensions to OpenGIS specification: First, it accepts also an <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/Interpolation.html" title="class or interface in javax.media.jai"><CODE>Interpolation</CODE></A> argument type, for interoperability with <A HREF="http://java.sun.com/products/java-media/jai/">Java Advanced Imaging</A>. Second, it accepts also an array of <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang"><CODE>String</CODE></A> or <A HREF="http://java.sun.com/products/java-media/jai/forDevelopers/jai-apidocs/javax/media/jai/Interpolation.html" title="class or interface in javax.media.jai"><CODE>Interpolation</CODE></A> objects. When an array is specified, the first interpolation in the array is applied. If this interpolation returns a value, then the second interpolation is tried as a fallback. If the second interpolation returns also a value, then the third one is tried and so on until an interpolation returns a real number or until we reach the end of interpolation list. This behavior is convenient when processing remote sensing images of geophysics data, for example <cite>Sea Surface Temperature</cite> (SST), in which clouds may mask many pixels (i.e. set them to some values). Because interpolation needs 4×4 pixels while interpolation needs only 2x2 pixels, the interpolation is less likely to fails because of clouds ( values) than the one (note: only one value is enough to make an interpolation fails). One can workaround the problem by trying a bicubic interpolation first, then a linear interpolation if failed at a particular location, <cite>etc.</cite> This behavior can be specified with the following argument: <code>new String[]{"Bicubic", "Bilinear", "NearestNeighbor"}</code>. <P><STRONG>Name:</STRONG> <CODE>"Interpolate"</CODE><BR> <STRONG>JAI operator:</STRONG> N/A<BR> <STRONG>Parameters:</STRONG></P> <table border='3' cellpadding='6' bgcolor='F4F8FF'> <tr bgcolor='#B9DCFF'> <th>Name</th> <th>Class</th> <th>Default value</th> <th>Minimum value</th> <th>Maximum value</th> </tr> <tr> <td></td> <td><A HREF="../../../../../org/geotools/coverage/grid/GridCoverage2D.html" title="class in org.geotools.coverage.grid"><CODE>GridCoverage2D</CODE></A></td> <td align="center">N/A</td> <td align="center">N/A</td> <td align="center">N/A</td> </tr> <tr> <td></td> <td><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/CharSequence.html" title="class or interface in java.lang"><CODE>CharSequence</CODE></A></td> <td>"NearestNeighbor"</td> <td align="center">N/A</td> <td align="center">N/A</td> </tr> </table><P><P><DL><DT><B>Since:</B></DT> <DD>2.2</DD><DT><B>Author:</B></DT> <DD>Martin Desruisseaux</DD><DT><B>See Also:</B><DD><A HREF="../../../../../org/geotools/coverage/processing/Operations.html#interpolate(org.opengis.coverage.grid.GridCoverage, java.lang.String)"><CODE>Operations.interpolate(org.opengis.coverage.grid.GridCoverage, java.lang.String)</CODE></A>, <A HREF="../../../../../org/geotools/coverage/grid/Interpolator2D.html" title="class in org.geotools.coverage.grid"><CODE>Interpolator2D</CODE></A>, <A HREF="../../../../../serialized-form.html#org.geotools.coverage.processing.operation.Interpolate">Serialized Form</A><DT><B>Module:</B></DT><DD><CODE><B>module/coverage</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-coverage/"><CODE>gt2-coverage.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/coverage/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/module/coverage/src/org/geotools/coverage/processing/operation/Interpolate.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static ParameterDescriptor</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/coverage/processing/operation/Interpolate.html#TYPE">TYPE</A></B></CODE><BR> The parameter descriptor for the interpolation type.</TD></TR></TABLE> <A NAME="fields_inherited_from_class_Operation2D"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields 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#SOURCE_0">SOURCE_0</A></CODE></TD></TR></TABLE> <A NAME="fields_inherited_from_class_AbstractOperation"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class <A HREF="../../../../../org/geotools/coverage/processing/AbstractOperation.html" title="class in org.geotools.coverage.processing">AbstractOperation</A></B></TD>⌨️ 快捷键说明
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