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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 11:36:41 GMT-05:00 2007 --><META http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><TITLE>PointArray2D (Geotools 2.3.x 2.3.2 API)</TITLE><META NAME="keywords" CONTENT="org.geotools.geometry.array.PointArray2D class"><META NAME="keywords" CONTENT="getDimension()"><META NAME="keywords" CONTENT="getCoordinateReferenceSystem()"><META NAME="keywords" CONTENT="length()"><META NAME="keywords" CONTENT="getMemoryUsage()"><META NAME="keywords" CONTENT="get()"><META NAME="keywords" CONTENT="set()"><META NAME="keywords" CONTENT="positions()"><META NAME="keywords" CONTENT="iterator()"><META NAME="keywords" CONTENT="getBounds2D()"><META NAME="keywords" CONTENT="subarray()"><META NAME="keywords" CONTENT="insertAt()"><META NAME="keywords" CONTENT="reverse()"><META NAME="keywords" CONTENT="getFinal()"><META NAME="keywords" CONTENT="toFloatArray()"><META NAME="keywords" CONTENT="toShape()"><META NAME="keywords" CONTENT="toString()"><META NAME="keywords" CONTENT="equals()"><META NAME="keywords" CONTENT="hashCode()"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PointArray2D (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/PointArray2D.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/geometry/array/CompressionLevel.html" title="class in org.geotools.geometry.array"><B>PREV CLASS</B></A> <A HREF="../../../../org/geotools/geometry/array/PointIterator.html" title="class in org.geotools.geometry.array"><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="PointArray2D.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 | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <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.geometry.array</FONT><BR>Class PointArray2D</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"><B>PointArray2D</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>PointArray, <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 abstract class <B>PointArray2D</B><DT>extends <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/Object.html" title="class or interface in java.lang">Object</A><DT>implements PointArray, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/io/Serializable.html" title="class or interface in java.io">Serializable</A></DL><P>Abstract class for <CODE>PointArray</CODE> implementations in a two-dimensional space. This class wraps an array of positions as (<var>x</var>,<var>y</var>) ordinates. While this class supports random access, users are strongly encouranged to use sequential access only, as provided by the <A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#iterator(int)"><CODE>iterator(int)</CODE></A> method. This is because random access may be very costly for some implementations, especially the ones that compress their data.<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="../../../../serialized-form.html#org.geotools.geometry.array.PointArray2D">Serialized Form</A><DT><B>Module:</B></DT><DD><CODE><B>ext/go</B></CODE> (<A HREF="http://maven.geotools.fr/repository/org/geotools/gt2-go/"><CODE>gt2-go.jar</CODE></A>) (<A HREF="http://maven.geotools.fr/reports/go/index.html">Maven report</A>) (<A HREF="http://svn.geotools.org/geotools/tags/2.3.2/ext/go/src/org/geotools/geometry/array/PointArray2D.java">SVN head</A>)</DD></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected </CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#PointArray2D()">PointArray2D</A></B>()</CODE><BR> Constructs a new array.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.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> that)</CODE><BR> Compares this array with the specified object for equality. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#equals(org.geotools.geometry.array.PointArray2D)">equals</A></B>(<A HREF="../../../../org/geotools/geometry/array/PointArray2D.html" title="class in org.geotools.geometry.array">PointArray2D</A> that)</CODE><BR> Compares this array with the specified one for equality. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> DirectPosition</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#get(int, org.opengis.spatialschema.geometry.DirectPosition)">get</A></B>(int index, DirectPosition dest)</CODE><BR> Gets a copy of the coordinates at the particular location in this . </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <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></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#getBounds2D()">getBounds2D</A></B>()</CODE><BR> Returns the bounding box of all <var>x</var> and <var>y</var> ordinates. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> CoordinateReferenceSystem</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#getCoordinateReferenceSystem()">getCoordinateReferenceSystem</A></B>()</CODE><BR> Returns the coordinate reference system of this array. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#getDimension()">getDimension</A></B>()</CODE><BR> Returns the dimensionality of the coordinates in this array, which is always 2.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/geotools/geometry/array/PointArray2D.html" title="class in org.geotools.geometry.array">PointArray2D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#getFinal(org.geotools.geometry.array.CompressionLevel)">getFinal</A></B>(<A HREF="../../../../org/geotools/geometry/array/CompressionLevel.html" title="class in org.geotools.geometry.array">CompressionLevel</A> level)</CODE><BR> Returns an immutable copy of this array. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract long</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#getMemoryUsage()">getMemoryUsage</A></B>()</CODE><BR> Returns an estimation of memory usage in bytes. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#hashCode()">hashCode</A></B>()</CODE><BR> Returns a hash value for this array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../../org/geotools/geometry/array/PointArray2D.html" title="class in org.geotools.geometry.array">PointArray2D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#insertAt(int, float[], int, int, boolean)">insertAt</A></B>(int index, float[] toMerge, int lower, int upper, boolean reverse)</CODE><BR> Inserts an array of (<var>x</var>,<var>y</var>) coordinates at position . </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../../org/geotools/geometry/array/PointArray2D.html" title="class in org.geotools.geometry.array">PointArray2D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#insertAt(int, org.geotools.geometry.array.PointArray2D, boolean)">insertAt</A></B>(int index, <A HREF="../../../../org/geotools/geometry/array/PointArray2D.html" title="class in org.geotools.geometry.array">PointArray2D</A> toMerge, boolean reverse)</CODE><BR> Inserts all points from into at position . </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../../org/geotools/geometry/array/PointIterator.html" title="class in org.geotools.geometry.array">PointIterator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#iterator(int)">iterator</A></B>(int index)</CODE><BR> Returns an iterator over the point coordinates.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#length()">length</A></B>()</CODE><BR> Returns the number of points in this array.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/util/List.html" title="class or interface in java.util">List</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#positions()">positions</A></B>()</CODE><BR> Returns a view of the points in this array as a list of positions. </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract <A HREF="../../../../org/geotools/geometry/array/PointArray2D.html" title="class in org.geotools.geometry.array">PointArray2D</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../org/geotools/geometry/array/PointArray2D.html#reverse()">reverse</A></B>()</CODE>⌨️ 快捷键说明
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