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leinfelder
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<!doctype html public "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd">
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<html>
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<head>
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<title>
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<a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008 Overview
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</title>
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<link rel ="stylesheet" type="text/css" href="stylesheet.css" title="Style">
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parent.document.title="Graticule.js Overview";
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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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<em>
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<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
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</td>
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<script>
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//-->
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<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
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<hr>
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<center>
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<h2>Graticule.js</h2>
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</center>
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<h4>Summary</h4>
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<p>
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No overview generated for 'Graticule.js'<BR/><BR/>
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</p>
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<hr>
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<tr bgcolor="#CCCCFF" class="TableHeadingColor">
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<td colspan=2><font size="+2">
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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="Graticule.html">Graticule</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: Olivier Terral olivier.terralATgeomatys.fr
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License: LGPL as per: http://www.gnu.org/copyleft/lesser.html
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$Id: Graticule.js 3879 2008-02-27 14:20:29Z gjvoosten $
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*/</span>
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<span class="comment">// Ensure this object's dependancies are loaded.</span>
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mapbuilder.loadScript(baseDir+<span class="literal">"/widget/ButtonBase.js"</span>);
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<span class="comment">/**
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* Render a Graticule.
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* <span class="attrib">@constructor</span>
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* <span class="attrib">@base</span> ButtonBase
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* <span class="attrib">@param</span> widgetNode The widget's XML object node from the configuration document.
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* <span class="attrib">@param</span> model The model object that this widget belongs to.
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*/</span>
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<span class="reserved">function</span> Graticule(widgetNode, model) {
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ButtonBase.apply(<span class="reserved">this</span>, new Array(widgetNode, model));
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<span class="reserved">this</span>.display=false;
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<span class="reserved">this</span>.color=<span class="reserved">this</span>.getProperty(<span class="literal">"mb:color"</span>);
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<span class="comment">/**
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* Interactive ZoomOut control.
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* <span class="attrib">@param</span> objRef reference to this object.
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* <span class="attrib">@return</span> {OpenLayers.Control} class of the OL control.
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*/</span>
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<span class="reserved">this</span>.createControl = <span class="reserved">function</span>(objRef) {
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var Control = OpenLayers.Class( OpenLayers.Control, {
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CLASS_NAME: <span class="literal">'mbControl.Graticule'</span>,
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type: OpenLayers.Control.TYPE_TOGGLE,
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destroy : <span class="reserved">function</span>() {
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OpenLayers.Control.<span class="reserved">prototype</span>.destroy.apply(<span class="reserved">this</span>, arguments);
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<span class="reserved">if</span> (<span class="reserved">this</span>.divs) {
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<span class="reserved">for</span>(i = <span class="reserved">this</span>.divs.length; i > 0; --i) {
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<span class="reserved">this</span>.divs[i] = null;
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}
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}
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<span class="reserved">this</span>.div = null;
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<span class="reserved">this</span>.mapContainer = null;
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},
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<span class="comment">
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////////////////////////////ancien///////////////////// </span>
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<span class="comment">/**
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* Remove divs
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* <span class="attrib">@param</span> objRef Pointer to this object.
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*/</span>
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removeGraticules : <span class="reserved">function</span>() {
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try{
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var i = 0;
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var div = <span class="reserved">this</span>.mapContainer;
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<span class="reserved">if</span> (<span class="reserved">this</span>.divs) {
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<span class="reserved">for</span>(i=0; i< <span class="reserved">this</span>.divs.length; i++)
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{
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div.removeChild(<span class="reserved">this</span>.divs[i]);
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}
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}
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}
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catch(e){
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}
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},
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<span class="comment">/**
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* Get bbox of MapPane with the right projection
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* Return an object
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* <span class="attrib">@param</span> this Pointer to this object.
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*/</span>
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getBbox : <span class="reserved">function</span>() {
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var bbox=new Object();
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bbox.ll=new Object();
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bbox.ur=new Object();
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<span class="comment"> ///CSCS</span>
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var ll=new OpenLayers.Geometry.Point(<span class="reserved">this</span>.bbox[0], <span class="reserved">this</span>.bbox[1]);
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var ur=new OpenLayers.Geometry.Point(<span class="reserved">this</span>.bbox[2], <span class="reserved">this</span>.bbox[3]);
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var wgs84 = new OpenLayers.Projection(<span class="literal">"EPSG:4326"</span>);
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ll.transform(<span class="reserved">this</span>.proj, wgs84);
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ur.transform(<span class="reserved">this</span>.proj, wgs84);
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bbox.ll.lon=ll.x; //minx
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bbox.ll.lat=ll.y; //miny
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bbox.ur.lon=ur.x; //maxx
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bbox.ur.lat=ur.y; //maxy
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<span class="reserved">return</span> bbox;
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},
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<span class="comment">/**
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* Calculate rounded graticule interval for supplied lat/lon span
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*
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* <span class="attrib">@param</span> dDeg difference in degrees.
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*/</span>
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<span class="comment"> //</span>
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<span class="comment"> //return is in minutes</span>
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gridIntervalMins : <span class="reserved">function</span>(dDeg) {
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var dDeg = dDeg/10; //want around 10 lines in the graticule
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dDeg *= 6000; //to minutes*100
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dDeg = Math.ceil(dDeg)/100; //minutes and hundredths of mins
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<span class="reserved">if</span>(dDeg <= 0.06)
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dDeg = 0.06;//0.001 degrees
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg <= 0.12)
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dDeg = 0.12;//0.002 degrees
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg <= 0.3)
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dDeg = 0.3;//0.005 degrees
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg <= 0.6)
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dDeg = 0.6;//0.01 degrees
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= 1.2)
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dDeg = 1.2;//0.02 degrees
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg <= 3)
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dDeg = 3;//0.05 degrees
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg <= 6)
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dDeg = 6;//0.1 degrees
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= 12)
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dDeg = 12;//0.2 degrees
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= 30)
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dDeg = 30;//0.5
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= 60)
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dDeg = 30;//1
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= (60*2))
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dDeg = 60*2;
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= (60*5))
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dDeg = 60*5;
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= (60*10))
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dDeg = 60*10;
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= (60*20))
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dDeg = 60*20;
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<span class="reserved">else</span> <span class="reserved">if</span> (dDeg <= (60*30))
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dDeg = 60*30;
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<span class="reserved">else</span>
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dDeg = 60*45;
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<span class="reserved">return</span> dDeg;
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},
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<span class="comment">/* Calculate grid label precision from grid interval in degrees
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*
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*<span class="attrib">@param</span> dDeg difference in degrees.
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*/</span>
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gridPrecision : <span class="reserved">function</span>(dDeg) {
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<span class="reserved">if</span>(dDeg < 0.01)
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<span class="reserved">return</span> 3;
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg < 0.1)
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<span class="reserved">return</span> 2;
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<span class="reserved">else</span> <span class="reserved">if</span>(dDeg < 1)
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<span class="reserved">return</span> 1;
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<span class="reserved">else</span> <span class="reserved">return</span> 0;
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},
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<span class="comment">/* Draw graticules
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*
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*<span class="attrib">@param</span> this pointer to this object.
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*/</span>
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addGraticules : <span class="reserved">function</span>(){
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<span class="comment">
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//Delete old graticule</span>
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<span class="reserved">this</span>.removeGraticules();
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var bbox=<span class="reserved">this</span>.getBbox();
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var l=bbox.ll.lon; //////ll:lower left coordinates
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var b=bbox.ll.lat; //ll:lower left ,ll.long : latitude(y) de coin en bas a gauche
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var r=bbox.ur.lon; //ur:upper right ,ur.long : longitude de coin en haut a droite
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var t=bbox.ur.lat;
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<span class="comment">
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//test if coords are valid</span>
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<span class="reserved">if</span> (b < -90.0)
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b = -90.0;
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<span class="reserved">if</span>(t > 90.0)
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t = 90.0;
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<span class="reserved">if</span>(l < -180.0)
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l = -180.0;
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<span class="reserved">if</span>(r > 180.0)
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r = 180.0;
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<span class="reserved">if</span>(l == r){
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l = -180.0;
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r = 180.0;
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}
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<span class="reserved">if</span>(t == b){
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b = -90.0;
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t = 90.0;
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}
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<span class="comment">
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//grid interval in minutes </span>
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var dLat = <span class="reserved">this</span>.gridIntervalMins(t-b);
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var dLng;
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<span class="reserved">if</span>(r>l)
|
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dLng = <span class="reserved">this</span>.gridIntervalMins(r-l);
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<span class="reserved">else</span>
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dLng = <span class="reserved">this</span>.gridIntervalMins((180-l)+(r+180));
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<span class="comment">
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//round iteration limits to the computed grid interval</span>
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l = Math.floor(l*60/dLng)*dLng/60;
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b = Math.floor(b*60/dLat)*dLat/60;
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t = Math.ceil(t*60/dLat)*dLat/60;
|
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|
|
r = Math.ceil(r*60/dLng)*dLng/60;
|
324 |
|
|
<span class="comment">
|
325 |
|
|
|
326 |
|
|
|
327 |
|
|
//Tes if coords are valid</span>
|
328 |
|
|
<span class="reserved">if</span> (b <= -90.0)
|
329 |
|
|
b = -90;
|
330 |
|
|
<span class="reserved">if</span>(t >= 90.0)
|
331 |
|
|
t = 90;
|
332 |
|
|
<span class="reserved">if</span>(l < -180.0)
|
333 |
|
|
l = -180.0;
|
334 |
|
|
<span class="reserved">if</span>(r > 180.0)
|
335 |
|
|
r = 180.0;
|
336 |
|
|
<span class="comment">
|
337 |
|
|
//to whole degrees</span>
|
338 |
|
|
dLat /= 60;
|
339 |
|
|
dLng /= 60;
|
340 |
|
|
|
341 |
|
|
<span class="reserved">this</span>.dLat=dLat;
|
342 |
|
|
<span class="reserved">this</span>.dLon=dLng;
|
343 |
|
|
<span class="comment">
|
344 |
|
|
//# digits after DP for labels</span>
|
345 |
|
|
var latDecs = <span class="reserved">this</span>.gridPrecision(dLat);
|
346 |
|
|
var lonDecs = <span class="reserved">this</span>.gridPrecision(dLng);
|
347 |
|
|
<span class="comment">
|
348 |
|
|
//array for divs used for lines and labels</span>
|
349 |
|
|
<span class="reserved">this</span>.divs = new Array();
|
350 |
|
|
var i=0;//count inserted divs
|
351 |
|
|
<span class="comment">
|
352 |
|
|
//min and max x and y pixel values for graticule lines</span>
|
353 |
|
|
var pbl = <span class="reserved">this</span>.fromLatLngToDivPixel(b,l);
|
354 |
|
|
var ptr = <span class="reserved">this</span>.fromLatLngToDivPixel(t,r);
|
355 |
|
|
|
356 |
|
|
|
357 |
|
|
<span class="reserved">this</span>.maxX = ptr.x;
|
358 |
|
|
<span class="reserved">this</span>.maxY = pbl.y;
|
359 |
|
|
<span class="reserved">this</span>.minX = pbl.x;
|
360 |
|
|
<span class="reserved">this</span>.minY = ptr.y;
|
361 |
|
|
var x;//coord <span class="reserved">for</span> label
|
362 |
|
|
<span class="comment">
|
363 |
|
|
//labels on second column to avoid peripheral controls</span>
|
364 |
|
|
var y = <span class="reserved">this</span>.fromLatLngToDivPixel(b+dLat+dLat,l).y + 2;//coord <span class="reserved">for</span> label
|
365 |
|
|
<span class="comment">
|
366 |
|
|
//pane/layer to write on</span>
|
367 |
|
|
var mapDiv = <span class="reserved">this</span>.mapContainer;//<span class="reserved">this</span>.map_.getPane(G_MAP_MARKER_SHADOW_PANE);
|
368 |
|
|
|
369 |
|
|
var lo = l;
|
370 |
|
|
|
371 |
|
|
<span class="reserved">if</span>(r<lo)
|
372 |
|
|
r += 360.0;
|
373 |
|
|
<span class="comment">
|
374 |
|
|
//vertical lines</span>
|
375 |
|
|
<span class="reserved">while</span>(lo<=r){
|
376 |
|
|
|
377 |
|
|
var p = <span class="reserved">this</span>.fromLatLngToDivPixel(b,lo);
|
378 |
|
|
<span class="comment"> //line</span>
|
379 |
|
|
<span class="reserved">this</span>.divs[i] = <span class="reserved">this</span>.createVLine(p.x);
|
380 |
|
|
<span class="reserved">this</span>.divs[i].style.zIndex = <span class="reserved">this</span>.div.style.zIndex;
|
381 |
|
|
mapDiv.insertBefore(<span class="reserved">this</span>.divs[i],null);
|
382 |
|
|
i++;
|
383 |
|
|
<span class="comment">
|
384 |
|
|
//label </span>
|
385 |
|
|
var d = document.createElement(<span class="literal">"DIV"</span>);
|
386 |
|
|
x = p.x + 3;
|
387 |
|
|
|
388 |
|
|
d.style.position = <span class="literal">"absolute"</span>;
|
389 |
|
|
d.style.left = x.toString() + <span class="literal">"px"</span>;
|
390 |
|
|
d.style.top = y.toString() + <span class="literal">"px"</span>;
|
391 |
|
|
d.style.color = <span class="reserved">this</span>.color;
|
392 |
|
|
d.style.fontFamily=<span class="literal">'Arial'</span>;
|
393 |
|
|
d.style.fontSize=<span class="literal">'x-small'</span>;
|
394 |
|
|
|
395 |
|
|
<span class="reserved">if</span> (lo==0)
|
396 |
|
|
{
|
397 |
|
|
d.innerHTML = (Math.abs(lo)).toFixed(lonDecs);
|
398 |
|
|
}
|
399 |
|
|
<span class="reserved">else</span> <span class="reserved">if</span>(lo<0)
|
400 |
|
|
{ d.title = mbGetMessage(<span class="literal">"westWgs84"</span>);
|
401 |
|
|
d.innerHTML = (Math.abs(lo)).toFixed(lonDecs)+<span class="literal">" W"</span>;
|
402 |
|
|
}
|
403 |
|
|
<span class="reserved">else</span>
|
404 |
|
|
{ d.title = mbGetMessage(<span class="literal">"eastWgs84"</span>);
|
405 |
|
|
d.innerHTML = (Math.abs(lo)).toFixed(lonDecs)+<span class="literal">" E"</span>;
|
406 |
|
|
}
|
407 |
|
|
|
408 |
|
|
d.style.zIndex = <span class="reserved">this</span>.div.style.zIndex;
|
409 |
|
|
mapDiv.insertBefore(d,null);
|
410 |
|
|
<span class="reserved">this</span>.divs[i] = d;
|
411 |
|
|
|
412 |
|
|
i++;
|
413 |
|
|
lo += dLng;
|
414 |
|
|
<span class="reserved">if</span> (lo > 180.0){
|
415 |
|
|
r -= 360.0;
|
416 |
|
|
lo -= 360.0;
|
417 |
|
|
}
|
418 |
|
|
}
|
419 |
|
|
|
420 |
|
|
|
421 |
|
|
|
422 |
|
|
var j = 0;
|
423 |
|
|
<span class="comment">
|
424 |
|
|
//labels on second row to avoid controls</span>
|
425 |
|
|
x = <span class="reserved">this</span>.fromLatLngToDivPixel(b,l+dLng+dLng).x + 3;
|
426 |
|
|
<span class="comment">
|
427 |
|
|
//horizontal lines</span>
|
428 |
|
|
<span class="reserved">while</span>(b<=t){
|
429 |
|
|
|
430 |
|
|
var p = <span class="reserved">this</span>.fromLatLngToDivPixel(b,l);
|
431 |
|
|
<span class="comment">
|
432 |
|
|
//line</span>
|
433 |
|
|
<span class="reserved">if</span>(r < l){ //draw lines across the dateline
|
434 |
|
|
<span class="reserved">this</span>.divs[i] = <span class="reserved">this</span>.createHLine3(b);
|
435 |
|
|
<span class="reserved">this</span>.divs[i].style.zIndex = <span class="reserved">this</span>.div.style.zIndex;
|
436 |
|
|
mapDiv.insertBefore(<span class="reserved">this</span>.divs[i],null);
|
437 |
|
|
i++;
|
438 |
|
|
}
|
439 |
|
|
<span class="reserved">else</span> <span class="reserved">if</span> (r == l){ //draw lines <span class="reserved">for</span> world scale zooms
|
440 |
|
|
|
441 |
|
|
<span class="reserved">this</span>.divs[i] = <span class="reserved">this</span>.createHLine3(b);
|
442 |
|
|
<span class="reserved">this</span>.divs[i].style.zIndex = <span class="reserved">this</span>.div.style.zIndex;
|
443 |
|
|
mapDiv.insertBefore(<span class="reserved">this</span>.divs[i],null);
|
444 |
|
|
i++;
|
445 |
|
|
}
|
446 |
|
|
<span class="reserved">else</span>{
|
447 |
|
|
|
448 |
|
|
<span class="reserved">this</span>.divs[i] = <span class="reserved">this</span>.createHLine(p.y);
|
449 |
|
|
<span class="reserved">this</span>.divs[i].style.zIndex = <span class="reserved">this</span>.div.style.zIndex;
|
450 |
|
|
mapDiv.insertBefore(<span class="reserved">this</span>.divs[i],null);
|
451 |
|
|
i++;
|
452 |
|
|
}
|
453 |
|
|
<span class="comment">
|
454 |
|
|
|
455 |
|
|
|
456 |
|
|
|
457 |
|
|
//label</span>
|
458 |
|
|
var d = document.createElement(<span class="literal">"DIV"</span>);
|
459 |
|
|
y = p.y + 2;
|
460 |
|
|
d.style.position = <span class="literal">"absolute"</span>;
|
461 |
|
|
d.style.left =x.toString() + <span class="literal">"px"</span>;
|
462 |
|
|
d.style.top = y.toString()+ <span class="literal">"px"</span>;
|
463 |
|
|
d.style.color = <span class="reserved">this</span>.color;
|
464 |
|
|
d.style.fontFamily=<span class="literal">'Arial'</span>;
|
465 |
|
|
d.style.fontSize=<span class="literal">'x-small'</span>;
|
466 |
|
|
|
467 |
|
|
<span class="reserved">if</span> (b==0)
|
468 |
|
|
{
|
469 |
|
|
d.innerHTML = (Math.abs(b)).toFixed(lonDecs);
|
470 |
|
|
}
|
471 |
|
|
<span class="reserved">else</span> <span class="reserved">if</span>(b<0)
|
472 |
|
|
{ d.title = mbGetMessage(<span class="literal">"southWgs84"</span>);
|
473 |
|
|
d.innerHTML = (Math.abs(b)).toFixed(latDecs)+<span class="literal">" S"</span>;
|
474 |
|
|
}
|
475 |
|
|
<span class="reserved">else</span>
|
476 |
|
|
{ d.title = mbGetMessage(<span class="literal">"northWgs84"</span>);
|
477 |
|
|
d.innerHTML = (Math.abs(b)).toFixed(latDecs)+<span class="literal">" N"</span>;
|
478 |
|
|
}
|
479 |
|
|
<span class="reserved">if</span>(j != 2)//dont put two labels in the same place
|
480 |
|
|
{
|
481 |
|
|
|
482 |
|
|
d.style.zIndex = <span class="reserved">this</span>.div.style.zIndex;
|
483 |
|
|
mapDiv.insertBefore(d,null);
|
484 |
|
|
<span class="reserved">this</span>.divs[i] = d;
|
485 |
|
|
i++;
|
486 |
|
|
}
|
487 |
|
|
j++;
|
488 |
|
|
b += dLat;
|
489 |
|
|
}
|
490 |
|
|
|
491 |
|
|
|
492 |
|
|
},
|
493 |
|
|
|
494 |
|
|
<span class="comment">/*Transform lat/lon coordinates in pixels coordinates
|
495 |
|
|
* Returns an object container pixel coordinates
|
496 |
|
|
*<span class="attrib">@param</span> this pointer to this object.
|
497 |
|
|
*<span class="attrib">@param</span> lat lon coordiantes in degrees
|
498 |
|
|
*/</span>
|
499 |
|
|
fromLatLngToDivPixel : <span class="reserved">function</span>(lat,lon){
|
500 |
|
|
<span class="comment"> ///CSCS</span>
|
501 |
|
|
var pt=new OpenLayers.Geometry.Point(lon, lat);
|
502 |
|
|
pt.transform(new OpenLayers.Projection(<span class="literal">"EPSG:4326"</span>),<span class="reserved">this</span>.proj);
|
503 |
|
|
var platlon=<span class="reserved">this</span>.map.getPixelFromLonLat(new OpenLayers.LonLat(pt.x,pt.y));
|
504 |
|
|
<span class="reserved">return</span> platlon;
|
505 |
|
|
},
|
506 |
|
|
|
507 |
|
|
<span class="comment">/*Create a vertical line
|
508 |
|
|
* Returns a div that is a vertical single pixel line
|
509 |
|
|
*<span class="attrib">@param</span> this pointer to this object.
|
510 |
|
|
*<span class="attrib">@param</span> x left style property for div element
|
511 |
|
|
*/</span>
|
512 |
|
|
|
513 |
|
|
createVLine : <span class="reserved">function</span> (x) {
|
514 |
|
|
|
515 |
|
|
var div = document.createElement(<span class="literal">"DIV"</span>);
|
516 |
|
|
div.style.position = <span class="literal">"absolute"</span>;
|
517 |
|
|
div.style.overflow = <span class="literal">"hidden"</span>;
|
518 |
|
|
div.style.backgroundColor = <span class="reserved">this</span>.color;
|
519 |
|
|
div.style.left = x + <span class="literal">"px"</span>;
|
520 |
|
|
div.style.top = <span class="reserved">this</span>.minY + <span class="literal">"px"</span>;
|
521 |
|
|
div.style.width = <span class="literal">"1px"</span>;
|
522 |
|
|
div.style.height = (<span class="reserved">this</span>.maxY-<span class="reserved">this</span>.minY) +<span class="literal">"px"</span>;
|
523 |
|
|
<span class="reserved">return</span> div;
|
524 |
|
|
|
525 |
|
|
},
|
526 |
|
|
|
527 |
|
|
<span class="comment">/*Create a horizontal line
|
528 |
|
|
* Returns a div that is a horizontal single pixel line
|
529 |
|
|
*<span class="attrib">@param</span> this pointer to this object.
|
530 |
|
|
*<span class="attrib">@param</span> y top style property for div element
|
531 |
|
|
*/</span>
|
532 |
|
|
createHLine : <span class="reserved">function</span>(y) {
|
533 |
|
|
|
534 |
|
|
var div = document.createElement(<span class="literal">"DIV"</span>);
|
535 |
|
|
div.style.position = <span class="literal">"absolute"</span>;
|
536 |
|
|
div.style.overflow = <span class="literal">"hidden"</span>;
|
537 |
|
|
div.style.backgroundColor = <span class="reserved">this</span>.color;
|
538 |
|
|
div.style.left = <span class="reserved">this</span>.minX + <span class="literal">"px"</span>;
|
539 |
|
|
div.style.top = y + <span class="literal">"px"</span>;
|
540 |
|
|
div.style.width = (<span class="reserved">this</span>.maxX-<span class="reserved">this</span>.minX) + <span class="literal">"px"</span>;
|
541 |
|
|
div.style.height = <span class="literal">"1px"</span>;
|
542 |
|
|
<span class="reserved">return</span> div;
|
543 |
|
|
|
544 |
|
|
},
|
545 |
|
|
<span class="comment">/*Create a horizontal line
|
546 |
|
|
* Returns a div that is a horizontal single pixel line, across the dateline
|
547 |
|
|
* we find the start and width of a 180 degree line and draw the same amount
|
548 |
|
|
* to its left and right
|
549 |
|
|
*<span class="attrib">@param</span> this pointer to this object.
|
550 |
|
|
*<span class="attrib">@param</span> lat latitude of div element.
|
551 |
|
|
*/</span>
|
552 |
|
|
createHLine3 : <span class="reserved">function</span>(lat) {
|
553 |
|
|
|
554 |
|
|
var f = <span class="reserved">this</span>.fromLatLngToDivPixel(lat,0);
|
555 |
|
|
var t = <span class="reserved">this</span>.fromLatLngToDivPixel(lat,180);
|
556 |
|
|
|
557 |
|
|
var div = document.createElement(<span class="literal">"DIV"</span>);
|
558 |
|
|
div.style.position = <span class="literal">"absolute"</span>;
|
559 |
|
|
div.style.overflow = <span class="literal">"hidden"</span>;
|
560 |
|
|
div.style.backgroundColor = <span class="reserved">this</span>.color;
|
561 |
|
|
|
562 |
|
|
var x1 = f.x;
|
563 |
|
|
var x2 = t.x;
|
564 |
|
|
|
565 |
|
|
<span class="reserved">if</span>(x2 < x1)
|
566 |
|
|
{
|
567 |
|
|
x2 = f.x;
|
568 |
|
|
x1 = t.x;
|
569 |
|
|
}
|
570 |
|
|
div.style.left = (x1-(x2-x1)) + <span class="literal">"px"</span>;
|
571 |
|
|
div.style.top = f.y + <span class="literal">"px"</span>;
|
572 |
|
|
div.style.width = ((x2-x1)*2) + <span class="literal">"px"</span>;
|
573 |
|
|
div.style.height = <span class="literal">"1px"</span>;
|
574 |
|
|
<span class="reserved">return</span> div;
|
575 |
|
|
|
576 |
|
|
|
577 |
|
|
} ,
|
578 |
|
|
|
579 |
|
|
<span class="comment">/*Initialize Graticule's property
|
580 |
|
|
*
|
581 |
|
|
*<span class="attrib">@param</span> this pointer to this object.
|
582 |
|
|
*/</span>
|
583 |
|
|
update : <span class="reserved">function</span> (){
|
584 |
|
|
|
585 |
|
|
|
586 |
|
|
<span class="reserved">this</span>.width=parseInt(<span class="reserved">this</span>.objRef.targetModel.getWindowWidth());
|
587 |
|
|
<span class="reserved">this</span>.height=parseInt(<span class="reserved">this</span>.objRef.targetModel.getWindowHeight());
|
588 |
|
|
|
589 |
|
|
<span class="reserved">this</span>.bbox=<span class="reserved">this</span>.objRef.targetModel.getBoundingBox();
|
590 |
|
|
<span class="reserved">this</span>.proj=new OpenLayers.Projection( <span class="reserved">this</span>.objRef.targetModel.getSRS());
|
591 |
|
|
|
592 |
|
|
<span class="reserved">if</span> (<span class="reserved">this</span>.bbox[1]<0)
|
593 |
|
|
<span class="reserved">if</span>(<span class="reserved">this</span>.bbox[3]<0)
|
594 |
|
|
<span class="reserved">this</span>.diffLat=<span class="reserved">this</span>.bbox[1]-<span class="reserved">this</span>.bbox[3];
|
595 |
|
|
<span class="reserved">else</span>
|
596 |
|
|
<span class="reserved">this</span>.diffLat=<span class="reserved">this</span>.bbox[3]-<span class="reserved">this</span>.bbox[1];
|
597 |
|
|
<span class="reserved">else</span>
|
598 |
|
|
<span class="reserved">this</span>.diffLat=<span class="reserved">this</span>.bbox[3]+<span class="reserved">this</span>.bbox[1];
|
599 |
|
|
|
600 |
|
|
<span class="reserved">if</span> (<span class="reserved">this</span>.bbox[0]<0)
|
601 |
|
|
<span class="reserved">if</span>(<span class="reserved">this</span>.bbox[2]<0)
|
602 |
|
|
<span class="reserved">this</span>.diffLon=<span class="reserved">this</span>.bbox[0]-<span class="reserved">this</span>.bbox[2];
|
603 |
|
|
<span class="reserved">else</span>
|
604 |
|
|
<span class="reserved">this</span>.diffLon=<span class="reserved">this</span>.bbox[2]-<span class="reserved">this</span>.bbox[0];
|
605 |
|
|
<span class="reserved">else</span>
|
606 |
|
|
<span class="reserved">this</span>.diffLon=<span class="reserved">this</span>.bbox[2]+<span class="reserved">this</span>.bbox[0];
|
607 |
|
|
|
608 |
|
|
|
609 |
|
|
<span class="reserved">this</span>.addGraticules();
|
610 |
|
|
|
611 |
|
|
},
|
612 |
|
|
|
613 |
|
|
<span class="comment">/*Display graticule when click on button
|
614 |
|
|
*
|
615 |
|
|
*<span class="attrib">@param</span> this pointer to this object.
|
616 |
|
|
*<span class="attrib">@param</span> selected boolean true if button has been clicked , false if no
|
617 |
|
|
*/</span>
|
618 |
|
|
activate: <span class="reserved">function</span>() {
|
619 |
|
|
|
620 |
|
|
<span class="reserved">if</span>(OpenLayers.Control.<span class="reserved">prototype</span>.activate.apply(<span class="reserved">this</span>, arguments)){
|
621 |
|
|
<span class="reserved">this</span>.panel_div.style.backgroundImage = <span class="literal">"url(\"</span><span class="literal">"+objRef.enabledImage+"</span>\<span class="literal">")"</span>;
|
622 |
|
|
<span class="comment"> //this.map.div.style.cursor = objRef.cursor;</span>
|
623 |
|
|
<span class="reserved">this</span>.map.events.register(<span class="literal">'moveend'</span>, <span class="reserved">this</span>, <span class="reserved">this</span>.update);
|
624 |
|
|
<span class="reserved">this</span>.objRef.display=true;
|
625 |
|
|
<span class="reserved">this</span>.mapContainer = <span class="reserved">this</span>.div;
|
626 |
|
|
<span class="reserved">this</span>.color=<span class="literal">"black"</span>;
|
627 |
|
|
<span class="reserved">this</span>.update();
|
628 |
|
|
<span class="reserved">return</span> true;
|
629 |
|
|
} <span class="reserved">else</span> {
|
630 |
|
|
<span class="reserved">return</span> false;
|
631 |
|
|
}
|
632 |
|
|
},
|
633 |
|
|
deactivate: <span class="reserved">function</span>() {
|
634 |
|
|
<span class="reserved">if</span>(OpenLayers.Control.<span class="reserved">prototype</span>.deactivate.apply(<span class="reserved">this</span>, arguments)){
|
635 |
|
|
<span class="reserved">this</span>.panel_div.style.backgroundImage = <span class="literal">"url(\"</span><span class="literal">"+objRef.disabledImage+"</span>\<span class="literal">")"</span>;
|
636 |
|
|
<span class="reserved">this</span>.map.events.unregister(<span class="literal">'moveend'</span>, <span class="reserved">this</span>, <span class="reserved">this</span>.update);
|
637 |
|
|
<span class="reserved">this</span>.objRef.display=false;
|
638 |
|
|
<span class="reserved">this</span>.removeGraticules();
|
639 |
|
|
objRef.enabled = false;
|
640 |
|
|
objRef.doSelect(objRef, false);
|
641 |
|
|
<span class="reserved">this</span>.active=false;
|
642 |
|
|
<span class="reserved">return</span> true;
|
643 |
|
|
} <span class="reserved">else</span> {
|
644 |
|
|
<span class="reserved">return</span> false;
|
645 |
|
|
}
|
646 |
|
|
}
|
647 |
|
|
<span class="comment">/////////////////////////////////////////////////////////////</span>
|
648 |
|
|
|
649 |
|
|
});
|
650 |
|
|
|
651 |
|
|
<span class="reserved">return</span> Control;
|
652 |
|
|
}
|
653 |
|
|
}
|
654 |
|
|
|
655 |
|
|
</pre>
|
656 |
|
|
<hr>
|
657 |
|
|
|
658 |
|
|
|
659 |
|
|
|
660 |
|
|
<!-- ========== START OF NAVBAR ========== -->
|
661 |
|
|
<a name="navbar_top"><!-- --></a>
|
662 |
|
|
<table border="0" width="100%" cellpadding="1" cellspacing="0">
|
663 |
|
|
<tr>
|
664 |
|
|
<td colspan=2 bgcolor="#EEEEFF" class="NavBarCell1">
|
665 |
|
|
<a name="navbar_top_firstrow"><!-- --></a>
|
666 |
|
|
<table border="0" cellpadding="0" cellspacing="3">
|
667 |
|
|
<tr align="center" valign="top">
|
668 |
|
|
|
669 |
|
|
|
670 |
|
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-summary.html"><font class="NavBarFont1"><b>Overview</b></font></a> </td>
|
671 |
|
|
<td bgcolor="#FFFFFF" class="NavBarCell1Rev"> <font class="NavBarFont1Rev"><b>File</b></font> </td>
|
672 |
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|
673 |
|
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|
674 |
|
|
<td bgcolor="#FFFFFF" class="NavBarCell1"> <font class="NavBarFont1">Class</font> </td>
|
675 |
|
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="overview-tree.html"><font class="NavBarFont1"><b>Tree</b></font></a> </td>
|
676 |
|
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="index-all.html"--><font class="NavBarFont1"><b>Index</b></font></a> </td>
|
677 |
|
|
<td bgcolor="#EEEEFF" class="NavBarCell1"> <a href="help-doc.html"><font class="NavBarFont1"><b>Help</b></font></a> </td>
|
678 |
|
|
</tr>
|
679 |
|
|
</table>
|
680 |
|
|
</td>
|
681 |
|
|
<td bgcolor="#EEEEFF" align="right" valign="top"><em>
|
682 |
|
|
<b><a href='http://mapbuilder.sourceforge.net'>Community Map Builder</a> 27 Apr 2008</b></em>
|
683 |
|
|
</td>
|
684 |
|
|
</tr>
|
685 |
|
|
|
686 |
|
|
<tr>
|
687 |
|
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
688 |
|
|
PREV
|
689 |
|
|
NEXT</font></td>
|
690 |
|
|
<td bgcolor="white" class="NavBarCell2"><font size="-2">
|
691 |
|
|
<a href="index.html" target="_top"><b>FRAMES</b></a>
|
692 |
|
|
<a href="overview-summary.html" target="_top"><b>NO FRAMES</b></a>
|
693 |
|
|
|
694 |
|
|
<script>
|
695 |
|
|
<!--
|
696 |
|
|
if(window==top) {
|
697 |
|
|
document.writeln('<A HREF="allclasses-noframe.html" TARGET=""><B>All Classes</B></A>');
|
698 |
|
|
}
|
699 |
|
|
//-->
|
700 |
|
|
</script>
|
701 |
|
|
<noscript>
|
702 |
|
|
<a href="allclasses-noframe.html" target=""><b>All Classes</b></a>
|
703 |
|
|
</noscript>
|
704 |
|
|
</font></td>
|
705 |
|
|
</tr>
|
706 |
|
|
</table>
|
707 |
|
|
<!-- =========== END OF NAVBAR =========== -->
|
708 |
|
|
|
709 |
|
|
<hr>
|
710 |
|
|
<font size="-1">
|
711 |
|
|
|
712 |
|
|
</font>
|
713 |
|
|
<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>
|
714 |
|
|
</body>
|
715 |
|
|
</html>
|