featurecalc.html
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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 11:36:02 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>Uses of Interface org.geotools.feature.visitor.FeatureCalc (Geotools 2.3.x 2.3.2 API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Uses of Interface org.geotools.feature.visitor.FeatureCalc (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 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========= END OF TOP NAVBAR ========= --><HR><CENTER><H2><B>Uses of Interface<br>org.geotools.feature.visitor.FeatureCalc</B></H2></CENTER><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Packages that use <A HREF="../../../../../org/geotools/feature/visitor/FeatureCalc.html" title="interface in org.geotools.feature.visitor">FeatureCalc</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><A HREF="#org.geotools.feature.visitor"><B>org.geotools.feature.visitor</B></A></TD><TD> </TD></TR></TABLE> <P><A NAME="org.geotools.feature.visitor"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2">Uses of <A HREF="../../../../../org/geotools/feature/visitor/FeatureCalc.html" title="interface in org.geotools.feature.visitor">FeatureCalc</A> in <A HREF="../../../../../org/geotools/feature/visitor/package-summary.html">org.geotools.feature.visitor</A></FONT></TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Classes in <A HREF="../../../../../org/geotools/feature/visitor/package-summary.html">org.geotools.feature.visitor</A> that implement <A HREF="../../../../../org/geotools/feature/visitor/FeatureCalc.html" title="interface in org.geotools.feature.visitor">FeatureCalc</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/AverageVisitor.html" title="class in org.geotools.feature.visitor">AverageVisitor</A></B></CODE><BR> Calculates the Average</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/BoundsVisitor.html" title="class in org.geotools.feature.visitor">BoundsVisitor</A></B></CODE><BR> Calculates the extents (envelope) of the features it visits.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/CountVisitor.html" title="class in org.geotools.feature.visitor">CountVisitor</A></B></CODE><BR> Determines the number of features in the collection</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/MaxVisitor.html" title="class in org.geotools.feature.visitor">MaxVisitor</A></B></CODE><BR> Calculates the maximum value of an attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/MedianVisitor.html" title="class in org.geotools.feature.visitor">MedianVisitor</A></B></CODE><BR> Calculates the median of an attribute in all features of a collection</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/MinVisitor.html" title="class in org.geotools.feature.visitor">MinVisitor</A></B></CODE><BR> Calculates the minimum value of an attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/QuantileListVisitor.html" title="class in org.geotools.feature.visitor">QuantileListVisitor</A></B></CODE><BR> Obtains the data needed for a Quantile operation (classification of features into classes of equal size). </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/StandardDeviationVisitor.html" title="class in org.geotools.feature.visitor">StandardDeviationVisitor</A></B></CODE><BR> Determines the standard deviation. ---------------------------- | 1 --- Std dev = | ___ \ ( x - mean ) ^ 2 \| N /__ aka std dev = sqrt((sum((x-mean)^2))/N) where N is the number of samples</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/SumVisitor.html" title="class in org.geotools.feature.visitor">SumVisitor</A></B></CODE><BR> Calculates the Sum of an attribute (of a FeatureVisitor)</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../org/geotools/feature/visitor/UniqueVisitor.html" title="class in org.geotools.feature.visitor">UniqueVisitor</A></B></CODE><BR> Generates a list of unique values from a collection</TD></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TD COLSPAN=2>Methods in <A HREF="../../../../../org/geotools/feature/visitor/package-summary.html">org.geotools.feature.visitor</A> with parameters of type <A HREF="../../../../../org/geotools/feature/visitor/FeatureCalc.html" title="interface in org.geotools.feature.visitor">FeatureCalc</A></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A></CODE></FONT></TD><TD><CODE><B>CollectionUtil.</B><B><A HREF="../../../../../org/geotools/feature/visitor/CollectionUtil.html#calc(org.geotools.feature.FeatureCollection, org.geotools.feature.visitor.FeatureCalc)">calc</A></B>(<A HREF="../../../../../org/geotools/feature/FeatureCollection.html" title="interface in org.geotools.feature">FeatureCollection</A> collection, <A HREF="../../../../../org/geotools/feature/visitor/FeatureCalc.html" title="interface in org.geotools.feature.visitor">FeatureCalc</A> calculator)</CODE><BR> </TD></TR></TABLE> <P><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_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="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../org/geotools/feature/visitor/FeatureCalc.html" title="interface in org.geotools.feature.visitor"><FONT CLASS="NavBarFont1"><B>Class</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Use</B></FONT> </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"> PREV NEXT</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="FeatureCalc.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></TABLE><A NAME="skip-navbar_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR>Copyright © 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