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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN""http://www.w3.org/TR/REC-html40/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Sun Jun 23 01:50:03 PDT 2002 --><TITLE>GMatrix (Java 3D API)</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><SCRIPT>function asd(){parent.document.title="GMatrix (Java 3D API)";}</SCRIPT><BODY BGCOLOR="white" onload="asd();"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <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="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="../../javax/vecmath/Color4f.html"><B>PREV CLASS</B></A> <A HREF="../../javax/vecmath/GVector.html"><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="GMatrix.html" TARGET="_top"><B>NO FRAMES</B></A> <SCRIPT> <!-- if(window==top) { document.writeln('<A HREF="../../allclasses-noframe.html" TARGET=""><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT><A HREF="../../allclasses-noframe.html" TARGET=""><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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">javax.vecmath</FONT><BR>Class GMatrix</H2><PRE>java.lang.Object | +--<B>javax.vecmath.GMatrix</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, java.io.Serializable</DD></DL><HR><DL><DT>public class <B>GMatrix</B><DT>extends java.lang.Object<DT>implements java.io.Serializable, java.lang.Cloneable</DL><P>A double precision, general, dynamically-resizable, two-dimensional matrix class. Row and column numbering begins with zero. The representation is row major.<P><P><DL><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html" TARGET="javax.vecmath.GMatrix">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#GMatrix(javax.vecmath.GMatrix)">GMatrix</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> matrix)</CODE><BR> Constructs a new GMatrix and copies the initial values from the parameter matrix.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#GMatrix(int, int)">GMatrix</A></B>(int nRow, int nCol)</CODE><BR> Constructs an nRow by NCol identity matrix.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#GMatrix(int, int, double[])">GMatrix</A></B>(int nRow, int nCol, double[] matrix)</CODE><BR> Constructs an nRow by nCol matrix initialized to the values in the matrix array.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#add(javax.vecmath.GMatrix)">add</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m1)</CODE><BR> Sets the value of this matrix to sum of itself and matrix m1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#add(javax.vecmath.GMatrix, javax.vecmath.GMatrix)">add</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m1, <A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m2)</CODE><BR> Sets the value of this matrix to the matrix sum of matrices m1 and m2.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#clone()">clone</A></B>()</CODE><BR> Creates a new object of the same class as this object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#copySubMatrix(int, int, int, int, int, int, javax.vecmath.GMatrix)">copySubMatrix</A></B>(int rowSource, int colSource, int numRow, int numCol, int rowDest, int colDest, <A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> target)</CODE><BR> Copies a sub-matrix derived from this matrix into the target matrix.</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="../../javax/vecmath/GMatrix.html#epsilonEquals(javax.vecmath.GMatrix, double)">epsilonEquals</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m1, double epsilon)</CODE><BR> Returns true if the L-infinite distance between this matrix and matrix m1 is less than or equal to the epsilon parameter, otherwise returns false.</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="../../javax/vecmath/GMatrix.html#epsilonEquals(javax.vecmath.GMatrix, float)">epsilonEquals</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m1, float epsilon)</CODE><BR> <B>Deprecated.</B> <I>Use epsilonEquals(GMatrix, double) instead</I></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="../../javax/vecmath/GMatrix.html#equals(javax.vecmath.GMatrix)">equals</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m1)</CODE><BR> Returns true if all of the data members of GMatrix m1 are equal to the corresponding data members in this GMatrix.</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="../../javax/vecmath/GMatrix.html#equals(java.lang.Object)">equals</A></B>(java.lang.Object o1)</CODE><BR> Returns true if the Object o1 is of type GMatrix and all of the data members of o1 are equal to the corresponding data members in this GMatrix.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#get(javax.vecmath.GMatrix)">get</A></B>(<A HREF="../../javax/vecmath/GMatrix.html">GMatrix</A> m1)</CODE><BR> Places the values in the this GMatrix into the matrix m1; m1 should be at least as large as this GMatrix.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#get(javax.vecmath.Matrix3d)">get</A></B>(<A HREF="../../javax/vecmath/Matrix3d.html">Matrix3d</A> m1)</CODE><BR> Places the values in the upper 3x3 of this GMatrix into the matrix m1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#get(javax.vecmath.Matrix3f)">get</A></B>(<A HREF="../../javax/vecmath/Matrix3f.html">Matrix3f</A> m1)</CODE><BR> Places the values in the upper 3x3 of this GMatrix into the matrix m1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#get(javax.vecmath.Matrix4d)">get</A></B>(<A HREF="../../javax/vecmath/Matrix4d.html">Matrix4d</A> m1)</CODE><BR> Places the values in the upper 4x4 of this GMatrix into the matrix m1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#get(javax.vecmath.Matrix4f)">get</A></B>(<A HREF="../../javax/vecmath/Matrix4f.html">Matrix4f</A> m1)</CODE><BR> Places the values in the upper 4x4 of this GMatrix into the matrix m1.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#getColumn(int, double[])">getColumn</A></B>(int col, double[] array)</CODE><BR> Places the values of the specified column into the array parameter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#getColumn(int, javax.vecmath.GVector)">getColumn</A></B>(int col, <A HREF="../../javax/vecmath/GVector.html">GVector</A> vector)</CODE><BR> Places the values of the specified column into the vector parameter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#getElement(int, int)">getElement</A></B>(int row, int column)</CODE><BR> Retrieves the value at the specified row and column of this matrix.</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="../../javax/vecmath/GMatrix.html#getNumCol()">getNumCol</A></B>()</CODE><BR> Returns the number of colmuns in this matrix.</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="../../javax/vecmath/GMatrix.html#getNumRow()">getNumRow</A></B>()</CODE><BR> Returns the number of rows in this matrix.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#getRow(int, double[])">getRow</A></B>(int row, double[] array)</CODE><BR> Places the values of the specified row into the array parameter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#getRow(int, javax.vecmath.GVector)">getRow</A></B>(int row, <A HREF="../../javax/vecmath/GVector.html">GVector</A> vector)</CODE><BR> Places the values of the specified row into the vector parameter.</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="../../javax/vecmath/GMatrix.html#hashCode()">hashCode</A></B>()</CODE><BR> Returns a hash code value based on the data values in this object.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#identityMinus()">identityMinus</A></B>()</CODE><BR> Subtracts this matrix from the identity matrix and puts the values back into this (this = I - this).</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../javax/vecmath/GMatrix.html#invert()">invert</A></B>()</CODE><BR> Inverts this matrix in place.</TD>⌨️ 快捷键说明
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