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<HTML>
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<HEAD>
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<TITLE>
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Extent
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<LINK REL ="stylesheet" TYPE="text/css" HREF="stylesheet.css" TITLE="Style">
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<SCRIPT>
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function asd()
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{
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parent.document.title="Extent";
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}
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<TR ALIGN="center" VALIGN="top">
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="overview-summary-Extent.js.html"><FONT CLASS="NavBarFont1"><B>File</B></FONT></A> </TD>
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<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="overview-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD>
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<!--TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"--> <!--A HREF="deprecated-list.html"--><!--FONT CLASS="NavBarFont1">Deprecated</FONT--><!--/A--><!-- </TD-->
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="index-all.html"--><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD>
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<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD>
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</TABLE>
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</TD>
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<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
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<B><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</B>
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</EM>
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</TD
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<TR>
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
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<A HREF="EventLog.html"><B>PREV CLASS</B></A><!--
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NEXT CLASS
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<A HREF="FeatureCollection.html"><B>NEXT CLASS</B></A></FONT></TD>
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
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<A HREF="index.html" TARGET="_top"><B>FRAMES</B></A>
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<A HREF="Extent.html" TARGET="_top"><B>NO FRAMES</B></A>
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<SCRIPT>
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<!--
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if(window==top) {
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document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
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}
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//-->
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</SCRIPT>
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<NOSCRIPT>
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<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>
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</FONT></TD>
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<TR>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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SUMMARY: <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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<HR>
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<!-- ======== START OF CLASS DATA ======== -->
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<H2>Class Extent</H2>
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<PRE>Object
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+--<b>Extent</b>
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</PRE>
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<HR>
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<DL>
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<!-- Class definition -->
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<DT>class
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<B>Extent</B>
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</DL>
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<P>
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<I>Defined in <a href='overview-summary-Extent.js.html'>Extent.js</a></I><BR/><BR/>
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<HR>
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<!-- ======== NESTED CLASS SUMMARY ======== -->
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<!-- ======== END NESTED CLASS SUMMARY ======== -->
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<!-- =========== FIELD SUMMARY =========== -->
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<A NAME="field_summary"><!-- --></A>
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<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Field Summary</B></FONT></TD>
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</TR>
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<!-- This is one instance field summary -->
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<TR BGCOLOR="white" CLASS="TableRowColor">
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#fixedScale">fixedScale</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#height">height</A></B></CODE>
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<BR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#id">id</A></B></CODE>
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<BR>
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</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#lr">lr</A></B></CODE>
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<BR>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#model">model</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#size">size</A></B></CODE>
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<BR>
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</TD>
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</TR>
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#ul">ul</A></B></CODE>
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</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#width">width</A></B></CODE>
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<BR>
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<CODE> Object</CODE></FONT></TD>
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<TD><CODE><B><A HREF="#zoomBy">zoomBy</A></B></CODE>
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<BR>
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</TD>
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</TR>
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</TABLE>
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<!-- =========== END FIELD SUMMARY =========== -->
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<!-- ======== CONSTRUCTOR SUMMARY ======== -->
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<A NAME="constructor_summary"><!-- --></A>
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<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Constructor Summary</B></FONT></TD>
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</TR>
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<TD>
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<CODE>
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<B>
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<A HREF="Extent.html#Extent()">Extent</A>
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</B>
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( model, initialRes )
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</CODE>
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<BR>
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A tool designed to handle geography calculations for widgets which render
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the model in 2D.
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</TD>
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</TR>
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</TABLE>
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<!-- ======== END CONSTRUCTOR SUMMARY ======== -->
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<!-- ========== METHOD SUMMARY =========== -->
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<A NAME="method_summary"><!-- --></A>
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<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
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<TD COLSPAN=2><FONT SIZE="+2">
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<B>Method Summary</B></FONT></TD>
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</TR>
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<CODE> Object</CODE>
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</FONT>
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<TD>
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<CODE>
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<B>
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<A HREF="#centerAt">centerAt</A></B>(center, newres, limitExtent)
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</CODE>
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<BR>
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Adjust the extent so that it is centered at given XY coordinate with given
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resolution.
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</TD>
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</TR>
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<FONT SIZE="-1">
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<CODE> void</CODE>
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</FONT>
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<TD>
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<CODE>
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<B>
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<A HREF="#checkBbox">checkBbox</A></B>()
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</CODE>
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<BR>
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<CODE> void</CODE>
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<CODE>
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<B>
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<A HREF="#firstInit">firstInit</A></B>(extent, initialRes)
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</CODE>
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<BR>
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</TD>
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<CODE> Object</CODE>
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</FONT>
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<CODE>
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<A HREF="#getBbox">getBbox</A></B>()
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</CODE>
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<BR>
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Returns the bounding box as stored in the model
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</TD>
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<CODE> Object</CODE>
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<CODE>
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<A HREF="#getCenter">getCenter</A></B>()
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</CODE>
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<BR>
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Returns the XY center of this extent
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</TD>
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<CODE> Object</CODE>
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<CODE>
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<B>
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<A HREF="#getFixedScale">getFixedScale</A></B>(res)
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</CODE>
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<BR>
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When given a res, it recalculates it to match the zoomlevels, when present and returns a fixed scale.
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<FONT SIZE="-1">
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<CODE> Object</CODE>
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</FONT>
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</TD>
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<TD>
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<CODE>
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<B>
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<A HREF="#getPL">getPL</A></B>(xy)
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</CODE>
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<BR>
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Returns pixel/line coordinates for given XY projection coords
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</TD>
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<FONT SIZE="-1">
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<CODE> Object</CODE>
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</FONT>
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<TD>
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<CODE>
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<B>
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<A HREF="#getScale">getScale</A></B>()
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</CODE>
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<BR>
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Returns the map scale denominator for the current extent resolution
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</TD>
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<FONT SIZE="-1">
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<CODE> Object</CODE>
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</FONT>
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<TD>
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<CODE>
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|
<B>
|
|
379
|
<A HREF="#getSize">getSize</A></B>()
|
|
380
|
</CODE>
|
|
381
|
<BR>
|
|
382
|
|
|
383
|
Returns the window size as stored in the model
|
|
384
|
</TD>
|
|
385
|
</TR>
|
|
386
|
|
|
387
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
388
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
389
|
<FONT SIZE="-1">
|
|
390
|
<CODE> Object</CODE>
|
|
391
|
</FONT>
|
|
392
|
</TD>
|
|
393
|
<TD>
|
|
394
|
<CODE>
|
|
395
|
<B>
|
|
396
|
<A HREF="#getXY">getXY</A></B>(pl)
|
|
397
|
</CODE>
|
|
398
|
<BR>
|
|
399
|
|
|
400
|
Returns XY coordinates for given pixel line coords w.r.t.
|
|
401
|
</TD>
|
|
402
|
</TR>
|
|
403
|
|
|
404
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
405
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
406
|
<FONT SIZE="-1">
|
|
407
|
<CODE> void</CODE>
|
|
408
|
</FONT>
|
|
409
|
</TD>
|
|
410
|
<TD>
|
|
411
|
<CODE>
|
|
412
|
<B>
|
|
413
|
<A HREF="#init">init</A></B>(extent, initialRes)
|
|
414
|
</CODE>
|
|
415
|
<BR>
|
|
416
|
|
|
417
|
Initialization of the Extent tool, called as a loadModel event listener.
|
|
418
|
</TD>
|
|
419
|
</TR>
|
|
420
|
|
|
421
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
422
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
423
|
<FONT SIZE="-1">
|
|
424
|
<CODE> void</CODE>
|
|
425
|
</FONT>
|
|
426
|
</TD>
|
|
427
|
<TD>
|
|
428
|
<CODE>
|
|
429
|
<B>
|
|
430
|
<A HREF="#setBbox">setBbox</A></B>(bbox)
|
|
431
|
</CODE>
|
|
432
|
<BR>
|
|
433
|
|
|
434
|
Recalculates a given bbox and stores a proper aspect one in the model
|
|
435
|
</TD>
|
|
436
|
</TR>
|
|
437
|
|
|
438
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
439
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
440
|
<FONT SIZE="-1">
|
|
441
|
<CODE> void</CODE>
|
|
442
|
</FONT>
|
|
443
|
</TD>
|
|
444
|
<TD>
|
|
445
|
<CODE>
|
|
446
|
<B>
|
|
447
|
<A HREF="#setResolution">setResolution</A></B>(size)
|
|
448
|
</CODE>
|
|
449
|
<BR>
|
|
450
|
|
|
451
|
Adjust the resolution so the bbox fits in the specified width and height
|
|
452
|
</TD>
|
|
453
|
</TR>
|
|
454
|
|
|
455
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
456
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
457
|
<FONT SIZE="-1">
|
|
458
|
<CODE> void</CODE>
|
|
459
|
</FONT>
|
|
460
|
</TD>
|
|
461
|
<TD>
|
|
462
|
<CODE>
|
|
463
|
<B>
|
|
464
|
<A HREF="#setScale">setScale</A></B>(scale)
|
|
465
|
</CODE>
|
|
466
|
<BR>
|
|
467
|
|
|
468
|
Sets the model's resolution from mapScale input value.
|
|
469
|
</TD>
|
|
470
|
</TR>
|
|
471
|
|
|
472
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
473
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
474
|
<FONT SIZE="-1">
|
|
475
|
<CODE> void</CODE>
|
|
476
|
</FONT>
|
|
477
|
</TD>
|
|
478
|
<TD>
|
|
479
|
<CODE>
|
|
480
|
<B>
|
|
481
|
<A HREF="#setSize">setSize</A></B>(size)
|
|
482
|
</CODE>
|
|
483
|
<BR>
|
|
484
|
|
|
485
|
Stores a given window size in the model.
|
|
486
|
</TD>
|
|
487
|
</TR>
|
|
488
|
|
|
489
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
490
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
491
|
<FONT SIZE="-1">
|
|
492
|
<CODE> void</CODE>
|
|
493
|
</FONT>
|
|
494
|
</TD>
|
|
495
|
<TD>
|
|
496
|
<CODE>
|
|
497
|
<B>
|
|
498
|
<A HREF="#setZoomLevels">setZoomLevels</A></B>(enabled,zoomLevels)
|
|
499
|
</CODE>
|
|
500
|
<BR>
|
|
501
|
|
|
502
|
|
|
503
|
</TD>
|
|
504
|
</TR>
|
|
505
|
|
|
506
|
<TR BGCOLOR="white" CLASS="TableRowColor">
|
|
507
|
<TD ALIGN="right" VALIGN="top" WIDTH="1%">
|
|
508
|
<FONT SIZE="-1">
|
|
509
|
<CODE> void</CODE>
|
|
510
|
</FONT>
|
|
511
|
</TD>
|
|
512
|
<TD>
|
|
513
|
<CODE>
|
|
514
|
<B>
|
|
515
|
<A HREF="#zoomToBox">zoomToBox</A></B>(ul, lr)
|
|
516
|
</CODE>
|
|
517
|
<BR>
|
|
518
|
|
|
519
|
Adjust the extent to the given bbox.
|
|
520
|
</TD>
|
|
521
|
</TR>
|
|
522
|
|
|
523
|
|
|
524
|
</TABLE>
|
|
525
|
|
|
526
|
|
|
527
|
|
|
528
|
<P>
|
|
529
|
<!-- ========== END METHOD SUMMARY =========== -->
|
|
530
|
|
|
531
|
|
|
532
|
<!-- ============ FIELD DETAIL START =========== -->
|
|
533
|
|
|
534
|
<A NAME="field_detail"><!-- --></A>
|
|
535
|
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
|
|
536
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
537
|
<TD COLSPAN=1><FONT SIZE="+2"><B>Field Detail</B></FONT></TD>
|
|
538
|
</TR>
|
|
539
|
</TABLE>
|
|
540
|
|
|
541
|
|
|
542
|
<A NAME="fixedScale"><!-- --></A>
|
|
543
|
<H3>fixedScale</H3>
|
|
544
|
<PRE>Object <B>fixedScale</B></PRE>
|
|
545
|
<UL>
|
|
546
|
|
|
547
|
|
|
548
|
</UL>
|
|
549
|
<HR>
|
|
550
|
|
|
551
|
<A NAME="height"><!-- --></A>
|
|
552
|
<H3>height</H3>
|
|
553
|
<PRE>Object <B>height</B></PRE>
|
|
554
|
<UL>
|
|
555
|
|
|
556
|
|
|
557
|
</UL>
|
|
558
|
<HR>
|
|
559
|
|
|
560
|
<A NAME="id"><!-- --></A>
|
|
561
|
<H3>id</H3>
|
|
562
|
<PRE>Object <B>id</B></PRE>
|
|
563
|
<UL>
|
|
564
|
|
|
565
|
|
|
566
|
</UL>
|
|
567
|
<HR>
|
|
568
|
|
|
569
|
<A NAME="lr"><!-- --></A>
|
|
570
|
<H3>lr</H3>
|
|
571
|
<PRE>Object <B>lr</B></PRE>
|
|
572
|
<UL>
|
|
573
|
|
|
574
|
|
|
575
|
</UL>
|
|
576
|
<HR>
|
|
577
|
|
|
578
|
<A NAME="model"><!-- --></A>
|
|
579
|
<H3>model</H3>
|
|
580
|
<PRE>Object <B>model</B></PRE>
|
|
581
|
<UL>
|
|
582
|
|
|
583
|
|
|
584
|
</UL>
|
|
585
|
<HR>
|
|
586
|
|
|
587
|
<A NAME="size"><!-- --></A>
|
|
588
|
<H3>size</H3>
|
|
589
|
<PRE>Object <B>size</B></PRE>
|
|
590
|
<UL>
|
|
591
|
|
|
592
|
|
|
593
|
</UL>
|
|
594
|
<HR>
|
|
595
|
|
|
596
|
<A NAME="ul"><!-- --></A>
|
|
597
|
<H3>ul</H3>
|
|
598
|
<PRE>Object <B>ul</B></PRE>
|
|
599
|
<UL>
|
|
600
|
|
|
601
|
|
|
602
|
</UL>
|
|
603
|
<HR>
|
|
604
|
|
|
605
|
<A NAME="width"><!-- --></A>
|
|
606
|
<H3>width</H3>
|
|
607
|
<PRE>Object <B>width</B></PRE>
|
|
608
|
<UL>
|
|
609
|
|
|
610
|
|
|
611
|
</UL>
|
|
612
|
<HR>
|
|
613
|
|
|
614
|
<A NAME="zoomBy"><!-- --></A>
|
|
615
|
<H3>zoomBy</H3>
|
|
616
|
<PRE>Object <B>zoomBy</B></PRE>
|
|
617
|
<UL>
|
|
618
|
|
|
619
|
|
|
620
|
</UL>
|
|
621
|
<HR>
|
|
622
|
|
|
623
|
|
|
624
|
|
|
625
|
<!-- ============ FIELD DETAIL END =========== -->
|
|
626
|
|
|
627
|
<!-- ========= CONSTRUCTOR DETAIL START ======== -->
|
|
628
|
|
|
629
|
<A NAME="constructor_detail"><!-- --></A>
|
|
630
|
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
|
|
631
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
632
|
<TD COLSPAN=1>
|
|
633
|
<FONT SIZE="+2"><B>Constructor Detail</B></FONT>
|
|
634
|
</TD>
|
|
635
|
</TR>
|
|
636
|
</TABLE>
|
|
637
|
|
|
638
|
<A NAME="Extent()"><!-- --></A><H3>
|
|
639
|
Extent</H3>
|
|
640
|
<PRE><B>Extent</B>( model, initialRes )</PRE>
|
|
641
|
|
|
642
|
|
|
643
|
<UL>
|
|
644
|
A tool designed to handle geography calculations for widgets which render
|
|
645
|
the model in 2D.
|
|
646
|
Use of this tool requires that it's model implements get/setWindowHeight/Width
|
|
647
|
methods.
|
|
648
|
Encapsulates all geography and image size aspects of a geographic object
|
|
649
|
displayed in a rectangular area on the screen.
|
|
650
|
All coordinates are handled as points which is a 2 element array, where x is
|
|
651
|
the first element and y is the second. Coordinates are either pixel and lixel
|
|
652
|
(pl) relative to the top left of the extent or projection XY values (xy).
|
|
653
|
</UL>
|
|
654
|
|
|
655
|
|
|
656
|
|
|
657
|
<UL>
|
|
658
|
<B>Parameters:</B>
|
|
659
|
|
|
660
|
<UL><CODE>model</CODE> - the model document that this extent represents
|
|
661
|
</UL>
|
|
662
|
|
|
663
|
<UL><CODE>initialRes</CODE> - (optional) if supplied the extent resolution will be set to this value
|
|
664
|
</UL>
|
|
665
|
|
|
666
|
|
|
667
|
</UL>
|
|
668
|
|
|
669
|
|
|
670
|
<!-- Constructor return value(s) -->
|
|
671
|
|
|
672
|
<!-- End constructor return value(s) -->
|
|
673
|
|
|
674
|
<!-- ADDITIONAL ATTRIBUTES -->
|
|
675
|
|
|
676
|
<HR/>
|
|
677
|
<!-- END ADDITIONAL ATTRIBUTES -->
|
|
678
|
|
|
679
|
<!-- ========= CONSTRUCTOR DETAIL END ======== -->
|
|
680
|
|
|
681
|
|
|
682
|
<!-- ============ METHOD DETAIL START ========== -->
|
|
683
|
|
|
684
|
<A NAME="method_detail"><!-- --></A>
|
|
685
|
<TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%">
|
|
686
|
<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
|
|
687
|
<TD COLSPAN=1><FONT SIZE="+2">
|
|
688
|
<B>Method Detail</B></FONT>
|
|
689
|
</TD>
|
|
690
|
</TR>
|
|
691
|
</TABLE>
|
|
692
|
|
|
693
|
<!-- One single method detail entry -->
|
|
694
|
|
|
695
|
<A NAME="centerAt"><!-- --></A>
|
|
696
|
<H3>centerAt</H3>
|
|
697
|
<PRE>Object <B>centerAt</B>(center, newres, limitExtent)</PRE>
|
|
698
|
|
|
699
|
<UL>Adjust the extent so that it is centered at given XY coordinate with given
|
|
700
|
resolution. Extent width and height remain fixed. Optionally check to
|
|
701
|
ensure that it doesn't go beyond available extent.</UL>
|
|
702
|
|
|
703
|
|
|
704
|
<!-- METHOD PARAMETERS START -->
|
|
705
|
|
|
706
|
<UL>
|
|
707
|
<B>Parameters:</B>
|
|
708
|
|
|
709
|
<UL><CODE>center</CODE> - projection XY coordinate to center at
|
|
710
|
</UL>
|
|
711
|
|
|
712
|
<UL><CODE>newres</CODE> - resolution to display at
|
|
713
|
</UL>
|
|
714
|
|
|
715
|
<UL><CODE>limitExtent</CODE> - ensure that the extent doesn't go beyond available bbox (TBD: not complete/tested)
|
|
716
|
</UL>
|
|
717
|
|
|
718
|
</UL>
|
|
719
|
|
|
720
|
<!-- METHOD PARAMETERS END -->
|
|
721
|
|
|
722
|
|
|
723
|
<UL>
|
|
724
|
<B>Returns:</B>
|
|
725
|
<UL>
|
|
726
|
none
|
|
727
|
</UL>
|
|
728
|
</UL>
|
|
729
|
|
|
730
|
|
|
731
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
732
|
|
|
733
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
734
|
<HR>
|
|
735
|
|
|
736
|
<A NAME="checkBbox"><!-- --></A>
|
|
737
|
<H3>checkBbox</H3>
|
|
738
|
<PRE>void <B>checkBbox</B>()</PRE>
|
|
739
|
|
|
740
|
|
|
741
|
<!-- METHOD PARAMETERS START -->
|
|
742
|
|
|
743
|
<!-- METHOD PARAMETERS END -->
|
|
744
|
|
|
745
|
|
|
746
|
|
|
747
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
748
|
|
|
749
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
750
|
<HR>
|
|
751
|
|
|
752
|
<A NAME="firstInit"><!-- --></A>
|
|
753
|
<H3>firstInit</H3>
|
|
754
|
<PRE>void <B>firstInit</B>(extent, initialRes)</PRE>
|
|
755
|
|
|
756
|
|
|
757
|
<!-- METHOD PARAMETERS START -->
|
|
758
|
|
|
759
|
<!-- METHOD PARAMETERS END -->
|
|
760
|
|
|
761
|
|
|
762
|
|
|
763
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
764
|
|
|
765
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
766
|
<HR>
|
|
767
|
|
|
768
|
<A NAME="getBbox"><!-- --></A>
|
|
769
|
<H3>getBbox</H3>
|
|
770
|
<PRE>Object <B>getBbox</B>()</PRE>
|
|
771
|
|
|
772
|
<UL>Returns the bounding box as stored in the model</UL>
|
|
773
|
|
|
774
|
|
|
775
|
<!-- METHOD PARAMETERS START -->
|
|
776
|
|
|
777
|
<!-- METHOD PARAMETERS END -->
|
|
778
|
|
|
779
|
|
|
780
|
<UL>
|
|
781
|
<B>Returns:</B>
|
|
782
|
<UL>
|
|
783
|
array with the bounding box
|
|
784
|
</UL>
|
|
785
|
</UL>
|
|
786
|
|
|
787
|
|
|
788
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
789
|
|
|
790
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
791
|
<HR>
|
|
792
|
|
|
793
|
<A NAME="getCenter"><!-- --></A>
|
|
794
|
<H3>getCenter</H3>
|
|
795
|
<PRE>Object <B>getCenter</B>()</PRE>
|
|
796
|
|
|
797
|
<UL>Returns the XY center of this extent</UL>
|
|
798
|
|
|
799
|
|
|
800
|
<!-- METHOD PARAMETERS START -->
|
|
801
|
|
|
802
|
<!-- METHOD PARAMETERS END -->
|
|
803
|
|
|
804
|
|
|
805
|
<UL>
|
|
806
|
<B>Returns:</B>
|
|
807
|
<UL>
|
|
808
|
array of XY for th center of the extent
|
|
809
|
</UL>
|
|
810
|
</UL>
|
|
811
|
|
|
812
|
|
|
813
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
814
|
|
|
815
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
816
|
<HR>
|
|
817
|
|
|
818
|
<A NAME="getFixedScale"><!-- --></A>
|
|
819
|
<H3>getFixedScale</H3>
|
|
820
|
<PRE>Object <B>getFixedScale</B>(res)</PRE>
|
|
821
|
|
|
822
|
<UL>When given a res, it recalculates it to match the zoomlevels, when present and returns a fixed scale.
|
|
823
|
When no res is given it returns the maximum resolution</UL>
|
|
824
|
|
|
825
|
|
|
826
|
<!-- METHOD PARAMETERS START -->
|
|
827
|
|
|
828
|
<UL>
|
|
829
|
<B>Parameters:</B>
|
|
830
|
|
|
831
|
<UL><CODE>res</CODE> - optional resolution to be checked
|
|
832
|
</UL>
|
|
833
|
|
|
834
|
</UL>
|
|
835
|
|
|
836
|
<!-- METHOD PARAMETERS END -->
|
|
837
|
|
|
838
|
|
|
839
|
<UL>
|
|
840
|
<B>Returns:</B>
|
|
841
|
<UL>
|
|
842
|
fixedScale the resolution to display the map with
|
|
843
|
</UL>
|
|
844
|
</UL>
|
|
845
|
|
|
846
|
|
|
847
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
848
|
|
|
849
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
850
|
<HR>
|
|
851
|
|
|
852
|
<A NAME="getPL"><!-- --></A>
|
|
853
|
<H3>getPL</H3>
|
|
854
|
<PRE>Object <B>getPL</B>(xy)</PRE>
|
|
855
|
|
|
856
|
<UL>Returns pixel/line coordinates for given XY projection coords</UL>
|
|
857
|
|
|
858
|
|
|
859
|
<!-- METHOD PARAMETERS START -->
|
|
860
|
|
|
861
|
<UL>
|
|
862
|
<B>Parameters:</B>
|
|
863
|
|
|
864
|
<UL><CODE>xy</CODE> - projection XY coordinate to calculate
|
|
865
|
</UL>
|
|
866
|
|
|
867
|
</UL>
|
|
868
|
|
|
869
|
<!-- METHOD PARAMETERS END -->
|
|
870
|
|
|
871
|
|
|
872
|
<UL>
|
|
873
|
<B>Returns:</B>
|
|
874
|
<UL>
|
|
875
|
point array of pxiel/line coordinates w.r.t. top left corner
|
|
876
|
</UL>
|
|
877
|
</UL>
|
|
878
|
|
|
879
|
|
|
880
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
881
|
|
|
882
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
883
|
<HR>
|
|
884
|
|
|
885
|
<A NAME="getScale"><!-- --></A>
|
|
886
|
<H3>getScale</H3>
|
|
887
|
<PRE>Object <B>getScale</B>()</PRE>
|
|
888
|
|
|
889
|
<UL>Returns the map scale denominator for the current extent resolution</UL>
|
|
890
|
|
|
891
|
|
|
892
|
<!-- METHOD PARAMETERS START -->
|
|
893
|
|
|
894
|
<!-- METHOD PARAMETERS END -->
|
|
895
|
|
|
896
|
|
|
897
|
<UL>
|
|
898
|
<B>Returns:</B>
|
|
899
|
<UL>
|
|
900
|
map scale denominator
|
|
901
|
</UL>
|
|
902
|
</UL>
|
|
903
|
|
|
904
|
|
|
905
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
906
|
|
|
907
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
908
|
<HR>
|
|
909
|
|
|
910
|
<A NAME="getSize"><!-- --></A>
|
|
911
|
<H3>getSize</H3>
|
|
912
|
<PRE>Object <B>getSize</B>()</PRE>
|
|
913
|
|
|
914
|
<UL>Returns the window size as stored in the model</UL>
|
|
915
|
|
|
916
|
|
|
917
|
<!-- METHOD PARAMETERS START -->
|
|
918
|
|
|
919
|
<!-- METHOD PARAMETERS END -->
|
|
920
|
|
|
921
|
|
|
922
|
<UL>
|
|
923
|
<B>Returns:</B>
|
|
924
|
<UL>
|
|
925
|
array with the window size
|
|
926
|
</UL>
|
|
927
|
</UL>
|
|
928
|
|
|
929
|
|
|
930
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
931
|
|
|
932
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
933
|
<HR>
|
|
934
|
|
|
935
|
<A NAME="getXY"><!-- --></A>
|
|
936
|
<H3>getXY</H3>
|
|
937
|
<PRE>Object <B>getXY</B>(pl)</PRE>
|
|
938
|
|
|
939
|
<UL>Returns XY coordinates for given pixel line coords w.r.t. top left corner</UL>
|
|
940
|
|
|
941
|
|
|
942
|
<!-- METHOD PARAMETERS START -->
|
|
943
|
|
|
944
|
<UL>
|
|
945
|
<B>Parameters:</B>
|
|
946
|
|
|
947
|
<UL><CODE>pl</CODE> - pixel line in extent to calculate
|
|
948
|
</UL>
|
|
949
|
|
|
950
|
</UL>
|
|
951
|
|
|
952
|
<!-- METHOD PARAMETERS END -->
|
|
953
|
|
|
954
|
|
|
955
|
<UL>
|
|
956
|
<B>Returns:</B>
|
|
957
|
<UL>
|
|
958
|
point array of XY coordinates
|
|
959
|
</UL>
|
|
960
|
</UL>
|
|
961
|
|
|
962
|
|
|
963
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
964
|
|
|
965
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
966
|
<HR>
|
|
967
|
|
|
968
|
<A NAME="init"><!-- --></A>
|
|
969
|
<H3>init</H3>
|
|
970
|
<PRE>void <B>init</B>(extent, initialRes)</PRE>
|
|
971
|
|
|
972
|
<UL>Initialization of the Extent tool, called as a loadModel event listener.</UL>
|
|
973
|
|
|
974
|
|
|
975
|
<!-- METHOD PARAMETERS START -->
|
|
976
|
|
|
977
|
<UL>
|
|
978
|
<B>Parameters:</B>
|
|
979
|
|
|
980
|
<UL><CODE>extent</CODE> - the object being initialized
|
|
981
|
</UL>
|
|
982
|
|
|
983
|
<UL><CODE>initialRes</CODE> - (optional) if supplied the extent resolution will be set to this value
|
|
984
|
</UL>
|
|
985
|
|
|
986
|
</UL>
|
|
987
|
|
|
988
|
<!-- METHOD PARAMETERS END -->
|
|
989
|
|
|
990
|
|
|
991
|
|
|
992
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
993
|
|
|
994
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
995
|
<HR>
|
|
996
|
|
|
997
|
<A NAME="setBbox"><!-- --></A>
|
|
998
|
<H3>setBbox</H3>
|
|
999
|
<PRE>void <B>setBbox</B>(bbox)</PRE>
|
|
1000
|
|
|
1001
|
<UL>Recalculates a given bbox and stores a proper aspect one in the model</UL>
|
|
1002
|
|
|
1003
|
|
|
1004
|
<!-- METHOD PARAMETERS START -->
|
|
1005
|
|
|
1006
|
<UL>
|
|
1007
|
<B>Parameters:</B>
|
|
1008
|
|
|
1009
|
<UL><CODE>bbox</CODE> - an array with a bounding box
|
|
1010
|
</UL>
|
|
1011
|
|
|
1012
|
</UL>
|
|
1013
|
|
|
1014
|
<!-- METHOD PARAMETERS END -->
|
|
1015
|
|
|
1016
|
|
|
1017
|
|
|
1018
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
1019
|
|
|
1020
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
1021
|
<HR>
|
|
1022
|
|
|
1023
|
<A NAME="setResolution"><!-- --></A>
|
|
1024
|
<H3>setResolution</H3>
|
|
1025
|
<PRE>void <B>setResolution</B>(size)</PRE>
|
|
1026
|
|
|
1027
|
<UL>Adjust the resolution so the bbox fits in the specified width and height</UL>
|
|
1028
|
|
|
1029
|
|
|
1030
|
<!-- METHOD PARAMETERS START -->
|
|
1031
|
|
|
1032
|
<UL>
|
|
1033
|
<B>Parameters:</B>
|
|
1034
|
|
|
1035
|
<UL><CODE>size</CODE> - width, height array passed in
|
|
1036
|
</UL>
|
|
1037
|
|
|
1038
|
</UL>
|
|
1039
|
|
|
1040
|
<!-- METHOD PARAMETERS END -->
|
|
1041
|
|
|
1042
|
|
|
1043
|
|
|
1044
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
1045
|
|
|
1046
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
1047
|
<HR>
|
|
1048
|
|
|
1049
|
<A NAME="setScale"><!-- --></A>
|
|
1050
|
<H3>setScale</H3>
|
|
1051
|
<PRE>void <B>setScale</B>(scale)</PRE>
|
|
1052
|
|
|
1053
|
<UL>Sets the model's resolution from mapScale input value. The map center
|
|
1054
|
remains fixed.</UL>
|
|
1055
|
|
|
1056
|
|
|
1057
|
<!-- METHOD PARAMETERS START -->
|
|
1058
|
|
|
1059
|
<UL>
|
|
1060
|
<B>Parameters:</B>
|
|
1061
|
|
|
1062
|
<UL><CODE>scale</CODE> - map scale denominator value
|
|
1063
|
</UL>
|
|
1064
|
|
|
1065
|
</UL>
|
|
1066
|
|
|
1067
|
<!-- METHOD PARAMETERS END -->
|
|
1068
|
|
|
1069
|
|
|
1070
|
|
|
1071
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
1072
|
|
|
1073
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
1074
|
<HR>
|
|
1075
|
|
|
1076
|
<A NAME="setSize"><!-- --></A>
|
|
1077
|
<H3>setSize</H3>
|
|
1078
|
<PRE>void <B>setSize</B>(size)</PRE>
|
|
1079
|
|
|
1080
|
<UL>Stores a given window size in the model.
|
|
1081
|
Can be used in the future for dynamic window resizing</UL>
|
|
1082
|
|
|
1083
|
|
|
1084
|
<!-- METHOD PARAMETERS START -->
|
|
1085
|
|
|
1086
|
<UL>
|
|
1087
|
<B>Parameters:</B>
|
|
1088
|
|
|
1089
|
<UL><CODE>size</CODE> - an array with a window size
|
|
1090
|
</UL>
|
|
1091
|
|
|
1092
|
</UL>
|
|
1093
|
|
|
1094
|
<!-- METHOD PARAMETERS END -->
|
|
1095
|
|
|
1096
|
|
|
1097
|
|
|
1098
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
1099
|
|
|
1100
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
1101
|
<HR>
|
|
1102
|
|
|
1103
|
<A NAME="setZoomLevels"><!-- --></A>
|
|
1104
|
<H3>setZoomLevels</H3>
|
|
1105
|
<PRE>void <B>setZoomLevels</B>(enabled,zoomLevels)</PRE>
|
|
1106
|
|
|
1107
|
|
|
1108
|
<!-- METHOD PARAMETERS START -->
|
|
1109
|
|
|
1110
|
<!-- METHOD PARAMETERS END -->
|
|
1111
|
|
|
1112
|
|
|
1113
|
|
|
1114
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
1115
|
|
|
1116
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
1117
|
<HR>
|
|
1118
|
|
|
1119
|
<A NAME="zoomToBox"><!-- --></A>
|
|
1120
|
<H3>zoomToBox</H3>
|
|
1121
|
<PRE>void <B>zoomToBox</B>(ul, lr)</PRE>
|
|
1122
|
|
|
1123
|
<UL>Adjust the extent to the given bbox. Resolution is recalculated.
|
|
1124
|
Extent width and height remain fixed.</UL>
|
|
1125
|
|
|
1126
|
|
|
1127
|
<!-- METHOD PARAMETERS START -->
|
|
1128
|
|
|
1129
|
<UL>
|
|
1130
|
<B>Parameters:</B>
|
|
1131
|
|
|
1132
|
<UL><CODE>ul</CODE> - upper left coordinate of bbox in XY projection coords
|
|
1133
|
</UL>
|
|
1134
|
|
|
1135
|
<UL><CODE>lr</CODE> - lower right coordinate of bbox in XY projection coords
|
|
1136
|
</UL>
|
|
1137
|
|
|
1138
|
</UL>
|
|
1139
|
|
|
1140
|
<!-- METHOD PARAMETERS END -->
|
|
1141
|
|
|
1142
|
|
|
1143
|
|
|
1144
|
<!-- ADDITIONAL ATTRIBUTES START -->
|
|
1145
|
|
|
1146
|
<!-- ADDITIONAL ATTRIBUTES END -->
|
|
1147
|
<HR>
|
|
1148
|
|
|
1149
|
|
|
1150
|
|
|
1151
|
<!-- ============ METHOD DETAIL END ========== -->
|
|
1152
|
|
|
1153
|
<!-- ========= END OF CLASS DATA ========= -->
|
|
1154
|
|
|
1155
|
<!-- ========== START OF NAVBAR ========== -->
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|
1156
|
<A NAME="navbar_bottom"><!-- --></A>
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1157
|
<TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0">
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1158
|
<TR>
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1159
|
<TD COLSPAN=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1">
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1160
|
<A NAME="navbar_bottom_firstrow"><!-- --></A>
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1161
|
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1162
|
<TR ALIGN="center" VALIGN="top">
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|
1163
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD>
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1164
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="overview-summary-Extent.js.html"><FONT CLASS="NavBarFont1"><B>File</B></FONT></A> </TD>
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1165
|
<TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD>
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1166
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="overview-tree.html"><FONT CLASS="NavBarFont1"><b>Tree</b></FONT></A> </TD>
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1167
|
<!--TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"--> <!--A HREF="deprecated-list.html"--><!--FONT CLASS="NavBarFont1">Deprecated</FONT--><!--/A--><!-- </TD-->
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1168
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD>
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1169
|
<TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD>
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1170
|
</TR>
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1171
|
</TABLE>
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1172
|
</TD>
|
|
1173
|
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
|
|
1174
|
<B><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</B>
|
|
1175
|
</EM>
|
|
1176
|
</TD
|
|
1177
|
</TR>
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1178
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1179
|
<TR>
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1180
|
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
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1181
|
<A HREF="EventLog.html"><B>PREV CLASS</B></A><!--
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1182
|
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1183
|
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1184
|
<A HREF="FeatureCollection.html"><B>NEXT CLASS</B></A></FONT></TD>
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1185
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<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
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1186
|
<A HREF="index.html" TARGET="_top"><B>FRAMES</B></A>
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1187
|
<A HREF="Extent.html" TARGET="_top"><B>NO FRAMES</B></A>
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1188
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1189
|
<SCRIPT>
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1190
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1191
|
if(window==top) {
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1192
|
document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
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1193
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1194
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1196
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1197
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1198
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1199
|
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1200
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1201
|
<TR>
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1202
|
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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1203
|
SUMMARY: <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD>
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1204
|
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
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1205
|
DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD>
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1206
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1207
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<HR>
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<div class="jsdoc_ctime">Documentation generated by <a href="http://jsdoc.sourceforge.net/" target="_parent">JSDoc</a> on Sun Apr 27 20:30:54 2008</div>
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</BODY>
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</HTML>
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