directposition2d.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

          Returns the coordinate reference system in which the coordinate is given.
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double[]</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#getCoordinates()">getCoordinates</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a sequence of numbers that hold the coordinate of this position in its
 reference system.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#getDimension()">getDimension</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The length of coordinate sequence (the number of entries).
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;double</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#getOrdinate(int)">getOrdinate</A></B>(int&nbsp;dimension)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the ordinate at the specified dimension.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;DirectPosition</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#getPosition()">getPosition</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns always <code>this</code>, the direct position for this
 position.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;int</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#hashCode()">hashCode</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a hash value for this coordinate. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#setCoordinateReferenceSystem(org.opengis.referencing.crs.CoordinateReferenceSystem)">setCoordinateReferenceSystem</A></B>(CoordinateReferenceSystem&nbsp;crs)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set the coordinate reference system in which the coordinate is given.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#setLocation(org.opengis.spatialschema.geometry.DirectPosition)">setLocation</A></B>(DirectPosition&nbsp;position)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Set this coordinate to the specified direct position. </TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;void</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#setOrdinate(int, double)">setOrdinate</A></B>(int&nbsp;dimension,
            double&nbsp;value)</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Sets the ordinate value along the specified dimension.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html" title="class or interface in java.awt.geom">Point2D</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#toPoint2D()">toPoint2D</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html" title="class or interface in java.awt.geom"><CODE>Point2D</CODE></A> with the same coordinate as this direct position.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/lang/String.html" title="class or interface in java.lang">String</A></CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../org/geotools/geometry/DirectPosition2D.html#toString()">toString</A></B>()</CODE>

<BR>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns a string representation of this coordinate. </TD>
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&nbsp;<A NAME="methods_inherited_from_class_Point2D.Double"><!-- --></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/awt/geom/Point2D.Double.html" title="class or interface in java.awt.geom">Point2D.Double</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#getX()" title="class or interface in java.awt.geom">getX</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#getY()" title="class or interface in java.awt.geom">getY</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#setLocation(double, double)" title="class or interface in java.awt.geom">setLocation</A></CODE></TD>
</TR>
</TABLE>
&nbsp;<A NAME="methods_inherited_from_class_Point2D"><!-- --></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/awt/geom/Point2D.html" title="class or interface in java.awt.geom">Point2D</A></B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE><A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#clone()" title="class or interface in java.awt.geom">clone</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#distance(double, double)" title="class or interface in java.awt.geom">distance</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#distance(double, double, double, double)" title="class or interface in java.awt.geom">distance</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#distance(java.awt.geom.Point2D)" title="class or interface in java.awt.geom">distance</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#distanceSq(double, double)" title="class or interface in java.awt.geom">distanceSq</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#distanceSq(double, double, double, double)" title="class or interface in java.awt.geom">distanceSq</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#distanceSq(java.awt.geom.Point2D)" title="class or interface in java.awt.geom">distanceSq</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#equals(java.lang.Object)" title="class or interface in java.awt.geom">equals</A>, <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html#setLocation(java.awt.geom.Point2D)" title="class or interface in java.awt.geom">setLocation</A></CODE></TD>
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&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#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>
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&nbsp;<A NAME="methods_inherited_from_class_DirectPosition"><!-- --></A>
<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor">
<TD><B>Methods inherited from interface DirectPosition</B></TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD><CODE>clone</CODE></TD>
</TR>
</TABLE>
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<!-- ============ FIELD DETAIL =========== -->


<!-- ========= CONSTRUCTOR DETAIL ======== -->

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<B>Constructor Detail</B></FONT></TD>
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</TABLE>

<A NAME="DirectPosition2D()"><!-- --></A><H3>
DirectPosition2D</H3>
<PRE>
public <B>DirectPosition2D</B>()</PRE>
<DL>
<DD>Constructs a position initialized to (0,0) with a 
 coordinate reference system.
<P>
</DL>
<HR>

<A NAME="DirectPosition2D(org.opengis.referencing.crs.CoordinateReferenceSystem)"><!-- --></A><H3>
DirectPosition2D</H3>
<PRE>
public <B>DirectPosition2D</B>(CoordinateReferenceSystem&nbsp;crs)</PRE>
<DL>
<DD>Constructs a position with the specified coordinate reference system.
<P>
</DL>
<HR>

<A NAME="DirectPosition2D(double, double)"><!-- --></A><H3>
DirectPosition2D</H3>
<PRE>
public <B>DirectPosition2D</B>(double&nbsp;x,
                        double&nbsp;y)</PRE>
<DL>
<DD>Constructs a 2D position from the specified ordinates. Despite their name,
 the (<var>x</var>,<var>y</var>) coordinates don't need to be oriented toward
 (East, North).
 Those parameter names simply match the <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#x" title="class or interface in java.awt.geom">x</A> and <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#y" title="class or interface in java.awt.geom">y</A>
 fields. See the <A HREF="../../../org/geotools/geometry/DirectPosition2D.html" title="class in org.geotools.geometry">class javadoc</A> for details.
<P>
</DL>
<HR>

<A NAME="DirectPosition2D(org.opengis.referencing.crs.CoordinateReferenceSystem, double, double)"><!-- --></A><H3>
DirectPosition2D</H3>
<PRE>
public <B>DirectPosition2D</B>(CoordinateReferenceSystem&nbsp;crs,
                        double&nbsp;x,
                        double&nbsp;y)</PRE>
<DL>
<DD>Constructs a 2D position from the specified ordinates in the specified CRS. Despite
 their name, the (<var>x</var>,<var>y</var>) coordinates don't need to be oriented toward
 (East, North).
 Those parameter names simply match the <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#x" title="class or interface in java.awt.geom">x</A> and <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.Double.html#y" title="class or interface in java.awt.geom">y</A>
 fields. The actual axis orientations are determined by the specified CRS.
 See the <A HREF="../../../org/geotools/geometry/DirectPosition2D.html" title="class in org.geotools.geometry">class javadoc</A> for details.
<P>
</DL>
<HR>

<A NAME="DirectPosition2D(java.awt.geom.Point2D)"><!-- --></A><H3>
DirectPosition2D</H3>
<PRE>
public <B>DirectPosition2D</B>(<A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html" title="class or interface in java.awt.geom">Point2D</A>&nbsp;point)</PRE>
<DL>
<DD>Constructs a position from the specified <A HREF="http://java.sun.com/j2se/1.4/docs/api/java/awt/geom/Point2D.html" title="class or interface in java.awt.geom"><CODE>Point2D</CODE></A>.
<P>
</DL>
<HR>

<A NAME="DirectPosition2D(org.opengis.spatialschema.geometry.DirectPosition)"><!-- --></A><H3>
DirectPosition2D</H3>
<PRE>
public <B>DirectPosition2D</B>(DirectPosition&nbsp;point)</PRE>
<DL>
<DD>Constructs a position initialized to the same values than the specified point.
<P>
</DL>

<!-- ============ METHOD DETAIL ========== -->

<A NAME="method_detail"><!-- --></A>
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<B>Method Detail</B></FONT></TD>
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</TABLE>

<A NAME="getPosition()"><!-- --></A><H3>
getPosition</H3>
<PRE>
public DirectPosition <B>getPosition</B>()</PRE>
<DL>
<DD>Returns always <code>this</code>, the direct position for this
 position.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE>getPosition</CODE> in interface <CODE>Position</CODE></DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="getCoordinateReferenceSystem()"><!-- --></A><H3>
getCoordinateReferenceSystem</H3>
<PRE>
public final CoordinateReferenceSystem <B>getCoordinateReferenceSystem</B>()</PRE>