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<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 Overview
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<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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<h2>CursorTrack.js</h2>
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<h4>Summary</h4>
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No overview generated for 'CursorTrack.js'<BR/><BR/>
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<b>Class Summary</b>
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</font></td>
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</tr>
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<tr bgcolor="white" class="TableRowColor">
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<td width="15%"><b><a href="CursorTrack.html">CursorTrack</a></b></td>
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<td> </td>
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</tr>
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</table>
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<hr/>
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<!-- ========== METHOD SUMMARY =========== -->
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<!-- ========== END METHOD SUMMARY =========== -->
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<pre class="sourceview"><span class="comment">/*
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Author: Mike Adair mike.adairATccrs.nrcan.gc.ca
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id: CursorTrack.js 3889 2008-02-27 18:29:43Z ahocevar $
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*/</span>
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<span class="comment">
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// Ensure this object's dependancies are loaded.</span>
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mapbuilder.loadScript(baseDir+<span class="literal">"/widget/WidgetBaseXSL.js"</span>);
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<span class="comment">/**
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* Widget to display the mouse coordinates when it is over a MapContainer widget.
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*
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> WidgetBaseXSL
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* <span class="attrib">@param</span> widgetNode This widget's object node from the configuration document.
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* <span class="attrib">@param</span> model The model that this widget is a view of.
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*/</span>
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<span class="reserved">function</span> CursorTrack(widgetNode, model) {
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WidgetBaseXSL.apply(<span class="reserved">this</span>,new Array(widgetNode, model));
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<span class="comment">
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//by default, display coords in latlon; if false show map XY</span>
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<span class="reserved">this</span>.showPx = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:showPx"</span>, false)); // pixel coordinates
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<span class="reserved">this</span>.showXY = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:showXY"</span>, false)); // XY Coordinates
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<span class="reserved">this</span>.showLatLong = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:showLatLong"</span>, true)); // Standard lat long
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<span class="reserved">this</span>.showDMS = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:showDMS"</span>, false)); // Lat/long in DD MM SS.S format
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<span class="reserved">this</span>.showDM = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:showDM"</span>, false)); // Lat/long in DD MM.MMMM format
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<span class="reserved">this</span>.showMGRS = Mapbuilder.parseBoolean(<span class="reserved">this</span>.getProperty(<span class="literal">"mb:showMGRS"</span>, false)); // Military Grid Reference System
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<span class="reserved">if</span>( <span class="reserved">this</span>.showMGRS ) {
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<span class="comment"> // load this here so it is not required for everyone</span>
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mapbuilder.loadScript(baseDir+<span class="literal">"/util/MGRS.js"</span>);
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}
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<span class="reserved">this</span>.precision = <span class="reserved">this</span>.getProperty(<span class="literal">"mb:precision"</span>, 2);
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<span class="comment">
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//set some properties for the form output</span>
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<span class="reserved">this</span>.formName = <span class="literal">"CursorTrackForm_"</span> + mbIds.getId();
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<span class="reserved">this</span>.stylesheet.setParameter(<span class="literal">"formName"</span>, <span class="reserved">this</span>.formName);
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<span class="comment">/**
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* Add mouse event listeners to the map object in the model.
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* <span class="attrib">@param</span> objRef Pointer to this CursorTrack object.
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*/</span>
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<span class="reserved">this</span>.init = <span class="reserved">function</span>(objRef) {
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objRef.proj = new OpenLayers.Projection( objRef.model.getSRS() );
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objRef.model.map.events.register(<span class="literal">'mousemove'</span>, objRef, objRef.mousemoveHandler);
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objRef.model.map.events.register(<span class="literal">'mouseout'</span>, objRef, objRef.mouseoutHandler);
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<span class="reserved">if</span>( <span class="reserved">this</span>.showMGRS )
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<span class="reserved">this</span>.MGRS = new MGRS();
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}
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<span class="reserved">this</span>.model.addListener(<span class="literal">"loadModel"</span>, <span class="reserved">this</span>.init, <span class="reserved">this</span> );
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<span class="reserved">this</span>.clear = <span class="reserved">function</span>(objRef) {
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<span class="reserved">if</span> (objRef.model.map && objRef.model.map.events) {
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objRef.model.map.events.unregister(<span class="literal">'mousemove'</span>, objRef, objRef.mousemoveHandler);
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objRef.model.map.events.unregister(<span class="literal">'mouseout'</span>, objRef, objRef.mouseoutHandler);
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}
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}
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<span class="reserved">this</span>.model.addListener(<span class="literal">"newModel"</span>, <span class="reserved">this</span>.clear, <span class="reserved">this</span>);
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<span class="comment">/**
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* OpenLayers mousemove event listener.
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* <span class="attrib">@param</span> evt OpenLayers mouse event
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*/</span>
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<span class="reserved">this</span>.mousemoveHandler = <span class="reserved">function</span>(evt) {
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var coordForm = document.getElementById(<span class="reserved">this</span>.formName);
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<span class="reserved">if</span> (!evt) <span class="reserved">return</span>;
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<span class="comment">
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// capture XY coordinates</span>
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var evXY = <span class="reserved">this</span>.model.map.getLonLatFromPixel(evt.xy);
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<span class="comment">
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///CSCS</span>
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var pt=new OpenLayers.Geometry.Point(evXY.lon, evXY.lat)
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pt.transform(<span class="reserved">this</span>.proj, new OpenLayers.Projection(<span class="literal">"EPSG:4326"</span>));
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var evLonLat = new OpenLayers.LonLat(pt.x,pt.y);
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<span class="reserved">if</span>( <span class="reserved">this</span>.showPx ) {
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<span class="reserved">if</span>( coordForm.px )
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coordForm.px.value = evt.xy.x;
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<span class="reserved">if</span>( coordForm.py )
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coordForm.py.value = evt.xy.y;
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showXY ) {
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<span class="reserved">if</span>( coordForm.x )
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coordForm.x.value = evXY.lon.toFixed(<span class="reserved">this</span>.precision);;
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<span class="reserved">if</span>( coordForm.y )
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coordForm.y.value = evXY.lat.toFixed(<span class="reserved">this</span>.precision);;
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showLatLong ) {
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<span class="reserved">if</span>( coordForm.longitude )
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coordForm.longitude.value = evLonLat.lon.toFixed(<span class="reserved">this</span>.precision);
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<span class="reserved">if</span>( coordForm.latitude )
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coordForm.latitude.value = evLonLat.lat.toFixed(<span class="reserved">this</span>.precision);
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showDMS ) {
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var longitude = <span class="reserved">this</span>.convertDMS(evLonLat.lon, <span class="literal">'LON'</span>);
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<span class="reserved">if</span>( coordForm.longdeg )
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coordForm.longdeg.value = longitude[0];
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<span class="reserved">if</span>( coordForm.longmin )
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coordForm.longmin.value = longitude[1];
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<span class="reserved">if</span>( coordForm.longsec )
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coordForm.longsec.value = longitude[2];
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<span class="reserved">if</span>( coordForm.longH )
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coordForm.longH.value = longitude[3];
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var latitude = <span class="reserved">this</span>.convertDMS(evLonLat.lat, <span class="literal">'LAT'</span>);
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<span class="reserved">if</span>( coordForm.latdeg )
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coordForm.latdeg.value = latitude[0];
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<span class="reserved">if</span>( coordForm.latmin )
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coordForm.latmin.value = latitude[1];
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<span class="reserved">if</span>( coordForm.latsec )
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coordForm.latsec.value = latitude[2];
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<span class="reserved">if</span>( coordForm.latH )
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coordForm.latH.value = latitude[3];
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showDM ) {
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var longitude = <span class="reserved">this</span>.convertDM(evLonLat.lon, <span class="literal">'LON'</span>);
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<span class="reserved">if</span>( coordForm.longDMdeg )
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coordForm.longDMdeg.value = longitude[0];
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<span class="reserved">if</span>( coordForm.longDMmin )
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coordForm.longDMmin.value = longitude[1];
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<span class="reserved">if</span>( coordForm.longDMH )
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coordForm.longDMH.value = longitude[2];
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var latitude = <span class="reserved">this</span>.convertDM(evLonLat.lat, <span class="literal">'LAT'</span>);
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<span class="reserved">if</span>( coordForm.latDMdeg )
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coordForm.latDMdeg.value = latitude[0];
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<span class="reserved">if</span>( coordForm.latDMmin )
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coordForm.latDMmin.value = latitude[1];
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<span class="reserved">if</span>( coordForm.latDMH )
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coordForm.latDMH.value = latitude[2];
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showMGRS ) {
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<span class="reserved">if</span>( !<span class="reserved">this</span>.MGRS )
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<span class="reserved">this</span>.MGRS = new MGRS();
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coordForm.mgrs.value = <span class="reserved">this</span>.MGRS.convert(evLonLat.lat,evLonLat.lon) ;
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}
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}
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<span class="comment">/**
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* OpenLayers mouseout event listener.
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* <span class="attrib">@param</span> evt OpenLayers mouse event
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*/</span>
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<span class="reserved">this</span>.mouseoutHandler = <span class="reserved">function</span>(evt) {
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var coordForm = document.getElementById(<span class="reserved">this</span>.formName);
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<span class="reserved">if</span>( <span class="reserved">this</span>.showPx ) {
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<span class="reserved">if</span>( coordForm.px)
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coordForm.px.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.py)
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coordForm.py.value = <span class="literal">""</span>;
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showXY ) {
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<span class="reserved">if</span>( coordForm.x)
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coordForm.x.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.y)
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coordForm.y.value = <span class="literal">""</span>;
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showLatLong ) {
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<span class="reserved">if</span>( coordForm.longitude )
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coordForm.longitude.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.latitude )
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coordForm.latitude.value = <span class="literal">""</span>;
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}
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<span class="reserved">if</span>( <span class="reserved">this</span>.showDMS ) {
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<span class="reserved">if</span>( coordForm.longdeg )
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coordForm.longdeg.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.longmin )
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coordForm.longmin.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.longsec )
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coordForm.longsec.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.longH )
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coordForm.longH.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.latdeg )
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coordForm.latdeg.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.latmin )
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coordForm.latmin.value = <span class="literal">""</span>;
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<span class="reserved">if</span>( coordForm.latsec )
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coordForm.latsec.value = <span class="literal">""</span>;
|
|
303
|
<span class="reserved">if</span>( coordForm.latH )
|
|
304
|
coordForm.latH.value = <span class="literal">""</span>;
|
|
305
|
}
|
|
306
|
|
|
307
|
<span class="reserved">if</span>( <span class="reserved">this</span>.showDM ) {
|
|
308
|
<span class="reserved">if</span>( coordForm.longDMdeg )
|
|
309
|
coordForm.longDMdeg.value = <span class="literal">""</span>;
|
|
310
|
<span class="reserved">if</span>( coordForm.longDMmin )
|
|
311
|
coordForm.longDMmin.value = <span class="literal">""</span>;
|
|
312
|
<span class="reserved">if</span>( coordForm.longDMH )
|
|
313
|
coordForm.longDMH.value = <span class="literal">""</span>;
|
|
314
|
|
|
315
|
<span class="reserved">if</span>( coordForm.latDMdeg )
|
|
316
|
coordForm.latDMdeg.value = <span class="literal">""</span>;
|
|
317
|
<span class="reserved">if</span>( coordForm.latDMmin )
|
|
318
|
coordForm.latDMmin.value = <span class="literal">""</span>;
|
|
319
|
<span class="reserved">if</span>( coordForm.latDMH )
|
|
320
|
coordForm.latDMH.value = <span class="literal">""</span>;
|
|
321
|
}
|
|
322
|
|
|
323
|
<span class="reserved">if</span>( <span class="reserved">this</span>.showMGRS ) {
|
|
324
|
<span class="reserved">if</span>( coordForm.mgrs )
|
|
325
|
coordForm.mgrs.value = <span class="literal">""</span>;
|
|
326
|
}
|
|
327
|
}
|
|
328
|
|
|
329
|
<span class="comment">/**
|
|
330
|
* Decimal to DMS conversion
|
|
331
|
*/</span>
|
|
332
|
<span class="reserved">this</span>.convertDMS = <span class="reserved">function</span>(coordinate, type) {
|
|
333
|
var coords = new Array();
|
|
334
|
|
|
335
|
abscoordinate = Math.abs(coordinate)
|
|
336
|
coordinatedegrees = Math.floor(abscoordinate);
|
|
337
|
|
|
338
|
coordinateminutes = (abscoordinate - coordinatedegrees)/(1/60);
|
|
339
|
tempcoordinateminutes = coordinateminutes;
|
|
340
|
coordinateminutes = Math.floor(coordinateminutes);
|
|
341
|
coordinateseconds = (tempcoordinateminutes - coordinateminutes)/(1/60);
|
|
342
|
coordinateseconds = Math.round(coordinateseconds*10);
|
|
343
|
coordinateseconds /= 10;
|
|
344
|
|
|
345
|
<span class="reserved">if</span>( coordinatedegrees < 10 )
|
|
346
|
coordinatedegrees = <span class="literal">"0"</span> + coordinatedegrees;
|
|
347
|
|
|
348
|
<span class="reserved">if</span>( coordinateminutes < 10 )
|
|
349
|
coordinateminutes = <span class="literal">"0"</span> + coordinateminutes;
|
|
350
|
|
|
351
|
<span class="reserved">if</span>( coordinateseconds < 10 )
|
|
352
|
coordinateseconds = <span class="literal">"0"</span> + coordinateseconds;
|
|
353
|
|
|
354
|
coords[0] = coordinatedegrees;
|
|
355
|
coords[1] = coordinateminutes;
|
|
356
|
coords[2] = coordinateseconds;
|
|
357
|
coords[3] = <span class="reserved">this</span>.getHemi(coordinate, type);
|
|
358
|
|
|
359
|
<span class="reserved">return</span> coords;
|
|
360
|
}
|
|
361
|
|
|
362
|
<span class="comment">/**
|
|
363
|
* Decimal to DM (degrees plus decimal minutes) conversion
|
|
364
|
*/</span>
|
|
365
|
<span class="reserved">this</span>.convertDM = <span class="reserved">function</span>(coordinate, type) {
|
|
366
|
var coords = new Array();
|
|
367
|
|
|
368
|
abscoordinate = Math.abs(coordinate)
|
|
369
|
coordinatedegrees = Math.floor(abscoordinate);
|
|
370
|
|
|
371
|
coordinateminutes = (abscoordinate - coordinatedegrees)*60;
|
|
372
|
coordinateminutes = Math.round(coordinateminutes*1000);
|
|
373
|
coordinateminutes /= 1000;
|
|
374
|
|
|
375
|
<span class="reserved">if</span>( coordinatedegrees < 10 )
|
|
376
|
coordinatedegrees = <span class="literal">"0"</span> + coordinatedegrees;
|
|
377
|
|
|
378
|
<span class="reserved">if</span>( coordinateminutes < 10 )
|
|
379
|
coordinateminutes = <span class="literal">"0"</span> + coordinateminutes;
|
|
380
|
|
|
381
|
coords[0] = coordinatedegrees;
|
|
382
|
coords[1] = coordinateminutes;
|
|
383
|
coords[2] = <span class="reserved">this</span>.getHemi(coordinate, type);
|
|
384
|
|
|
385
|
<span class="reserved">return</span> coords;
|
|
386
|
}
|
|
387
|
|
|
388
|
<span class="comment">/**
|
|
389
|
* Return the hemisphere abbreviation for this coordinate.
|
|
390
|
*/</span>
|
|
391
|
<span class="reserved">this</span>.getHemi = <span class="reserved">function</span>(coordinate, type) {
|
|
392
|
var coordinatehemi = <span class="literal">""</span>;
|
|
393
|
<span class="reserved">if</span> (type == <span class="literal">'LAT'</span>) {
|
|
394
|
<span class="reserved">if</span> (coordinate >= 0) {
|
|
395
|
coordinatehemi = <span class="literal">"N"</span>;
|
|
396
|
}
|
|
397
|
<span class="reserved">else</span> {
|
|
398
|
coordinatehemi = <span class="literal">"S"</span>;
|
|
399
|
}
|
|
400
|
}
|
|
401
|
<span class="reserved">else</span> <span class="reserved">if</span> (type == <span class="literal">'LON'</span>) {
|
|
402
|
<span class="reserved">if</span> (coordinate >= 0) {
|
|
403
|
coordinatehemi = <span class="literal">"E"</span>;
|
|
404
|
} <span class="reserved">else</span> {
|
|
405
|
coordinatehemi = <span class="literal">"W"</span>;
|
|
406
|
}
|
|
407
|
}
|
|
408
|
|
|
409
|
<span class="reserved">return</span> coordinatehemi;
|
|
410
|
}
|
|
411
|
}
|
|
412
|
</pre>
|
|
413
|
<hr>
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|
414
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415
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416
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417
|
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418
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<a name="navbar_top"><!-- --></a>
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419
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422
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423
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437
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438
|
<td bgcolor="#EEEEFF" align="right" valign="top"><em>
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|
439
|
<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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|
440
|
</td>
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441
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443
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448
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449
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450
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451
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<script>
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453
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if(window==top) {
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454
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document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
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455
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459
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465
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467
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468
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469
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470
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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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