// JavaScript Document var map ; var distArray = new Array(); var xfact = 1; var fact; var xy = 0; var f = ""; var mpoints = new Array(); var nearPoint; // definete variables for metrics var factors = new Array(100000, 1000, 1, 0.621, 39370, 3280, 1094); function LoadMap(){ if (GBrowserIsCompatible()){ map = new GMap2(document.getElementById("map"),{draggableCursor: 'crosshair', draggingCursor: 'pointer'}) ; map.disableDoubleClickZoom(); // map.addControl(new GLargeMapControl()); map.addControl(new GMapTypeControl()); map.addControl(new GScaleControl()) ; // Edited by Rajesh thanneeru var latlng = new GLatLng(33.6447, -117.8520) ; // Memphis Airport map.setCenter(latlng,16,G_HYBRID_MAP); map.addControl(new TextualZoomControl()); GEvent.addListener(map, 'click', function(overlay, point){ if (overlay){ } else if (point) { //alert('pt '+point); popbuilding( point ) ; } }); GEvent.addListener(map, 'dblclick', function(overlay, point){ if (overlay){ } else if (point) { document.myform.hs.checked = false; xy = 1; //alert("Rajesh Thanneeru"); readpoint( point ) ; } }); } else{ document.getElementById("map").innerHTML = "

Browser not compatible with Google Maps. Sorry...

" ; } tmarkers = new Array(); dataclear(); } function CustomGetTileUrl(a,b) { b=13; if (b==13 && a.x>=1413 && a.x<=1418 && a.y>=3281 && a.y<= 3285) { return "tiles1/Tile_"+(a.x)+"_"+(a.y)+"_"+b+".jpg"; } else { return G_NORMAL_MAP.getTileLayers()[0].getTileUrl(a,b); } } function popbuilding(pt) { var list = new Array(); list[0] = "

	Building Name:	Beckman Laser Institute
	Building Number	817

"; list[1] = "

	Building Name:	Berk Hall
	Building Number	802

"; list[2] = "

	Building Name:	Cafe Med
	Building Number	800

"; list[3] = "

	Building Name:	Gillespie Neuroscience Research
	Building Number	837

"; list[4] = "

	Building Name:	Gottdchalk Medical
	Building Number	820

"; list[5] = "

	Building Name:	Hewitt Reaserch Hall
	Building Number	843

"; list[6] = "

	Building Name:	High-Field MRI Facility
	Building Number	841

"; list[7] ="

	Building Name:	Irvine Hall
	Building Number	835

"; list[8] = "

	Building Name:	Medical Science A
	Building Number	815

"; list[9] = "

	Building Name:	Medical Science B
	Building Number	811

"; list[10] = "

	Building Name:	Medical Science C
	Building Number	821

"; list[11] = "

	Building Name:	Medical Science Class Room Facility
	Building Number	833

"; list[12] = "

	Building Name:	Medical Science D
	Building Number	825

"; list[13] = "

	Building Name:	Medical Science E
	Building Number	827

"; list[14] = "

	Building Name:	Medical Surge I
	Building Number	810

"; list[15] = "

Building Name:

Medical Surge II

Building Number

812

"; list[16] = "

	Building Name:	Plumwood House
	Building Number	829

"; list[17] = "

	Building Name:	Sprague Hall
	Building Number	839

"; list[18] = "

	Building Name:	Tamkin Student Lecture Building
	Building Number	831

"; list[19] = "

Building Name:

Nelsons Auditorium

"; list[20] = "Car Parking"; list[21] = "Car Parking"; list[22] = "Car Parking"; list[23] = "Car Parking"; list[24] = "Car Parking"; list[25] = "Car Parking"; list[26] = "Car Parking"; list[27] = "Car Parking"; list[28] = "Car Parking"; list[29] = "Car Parking"; pt = pt+''; pt = pt.replace("(",""); pt = pt.replace(")",""); pt = pt.split(","); pt[0] = parseFloat(pt[0]); pt[1] = parseFloat(pt[1]); pt1 = new GLatLng(pt[0], pt[1]); np1 = nearby(pt1).split(";"); k = np1[1]; npoint = np1[0]; latlong = npoint.split(","); lat = parseFloat(latlong[0]); long = parseFloat(latlong[1]); npoint = new GLatLng(lat, long); // alert(npoint); var markert = createMarker(npoint,i,list[k]); map.addOverlay(markert); snm.style.visibility="visible"; prevC = snm.innerHTML+'
'; snm.innerHTML = ' '; snm.innerHTML = prevC+''+list[k]+''; } // Add a point to the textarea tracedata... function readpoint( point ) { var i = 30; document.data.tracedata.value += point.toUrlValue() + "\n" ; map.clearOverlays(); datadraw(); i = i+1; } function addpoint( point ) { //var point = new GLatLng(wrkar[0], wrkar[1]); //marker[31] = createMarker(point,i+1) var i = 30; document.data.tracedata.value += point.toUrlValue() + "\n" ; map.clearOverlays() ; datadraw(); //markers21 = createMarker3(point,i+1); i = i+1; //map.addOverlay(createMarker(point,i+1)); } // Clear the work text area and overlays... function dataclear() { document.data.tracedata.value = "" ; map.clearOverlays() ; } // Close the polyline into a polygon with the first point as the last point... function dataclose() { var wrkar = dataparse( document.data.tracedata.value ) ; if( ( wrkar[0].lat() + "," + wrkar[0].lng() ) == (wrkar[wrkar.length - 1].lat() + "," + wrkar[wrkar.length - 1].lng() ) ){ alert( "Polyline is already closed!" ) ; } else { document.data.tracedata.value += wrkar[0].lat() + "," + wrkar[0].lng() + "\n" ; } } // Draw the polylines associated with the points clicked... function datadraw() { map.clearOverlays() ; var wrkar = [] ; var i = 0; //xy = 1; map.clearOverlays() ; //alert("Rajesh Thanneeru"); //alert('trdt'+document.data.tracedata.value); if(xy == 1) { if ( document.data.tracedata.value ){ wrkar = dataparse( document.data.tracedata.value ) ; map.addOverlay( new GPolyline(wrkar,"#ff0000", 3, .8) ) ; } if ( document.data.savedata.value ) { wrkar = dataparse( document.data.savedata.value ) ; map.addOverlay( new GPolyline(wrkar,"#00ff00", 3, .8) ) ; } if(document.myform.hs.checked == true){ //alert('trdt'); var wrkar1 = [] ; if ( document.data.boundary.value ){ wrkar1 = dataparse( document.data.boundary.value ) ; map.addOverlay( new GPolyline(wrkar1,"#ff0000", 3, .8) ) ; } } if(document.myform.hs.checked == false){ map.removeOverlay(new GPolyline(wrkar1,"#ff0000", 3, .8)); } } } function boun_dary() { if (document.myform.hsb.checked == true) { map.clearOverlays(); showBuildings(); } else map.clearOverlays(); xy = 0; var wrkar1 = [] ; if ( document.data.boundary.value ){ wrkar1 = dataparse( document.data.boundary.value ) ; if(document.myform.hs.checked == true){ map.addOverlay( new GPolyline(wrkar1,"#ff0000", 3, .8) ) ; } if(document.myform.hs.checked == false){ map.removeOverlay(new GPolyline(wrkar1,"#ff0000", 3, .8)); } } } // Save the trace data into the savedata textarea... function datasave() { document.data.savedata.value = document.data.tracedata.value ; } // Parse the textarea data into a points array... function dataparse( points ){ points = points.substr(0,points.length - 1) ; var linar = points.split("\n") ; // Break each point by line break var wrkar = [] ; var pntar = [] ; for (var i = 0; i < linar.length; i++){ wrkar = linar[i].split(",",2) ; // Break each point into x and y pntar.push( new GLatLng(parseFloat(wrkar[0]), parseFloat(wrkar[1])) ) ; var point1 = new GLatLng(parseFloat(wrkar[0]), parseFloat(wrkar[1])); //var mm = new GMarkerManager(map); //alert(document.myform.hs.checked); if((xy == 1) && (document.myform.hs.checked == false)) { var markert = createMarker3(point1,i) map.addOverlay(markert); tmarkers[i] = point1; }//alert(tmarkers); } if(xy == 1) { exposeDistance(i); } return pntar ; } // Center the map on the first marker found... function datacenter() { var point ; var wrkar = [] ; if ( document.data.tracedata.value ) { wrkar = dataparse( document.data.tracedata.value ) ; } else{ wrkar = dataparse( document.data.savedata.value ) ; } if ( wrkar[0] ){ point = wrkar[0] ; } if ( point ){ map.setCenter(point,8); } else{ alert( "No points entered yet. Cannot center map." ) ; } } // change DistXF function distXF(xf) { //alert(xf); xfact = xf; showVals() } // expose the distance in table function exposeDistance(k) { j = 1; //var distArray[]; for(i = tmarkers.length; i > 1; i--) { var n = 0; while(j < 2){ var tdist = document.getElementById('txtDist'); var latx = tmarkers[i-2]+''; lat = latx.substr(1,latx.length-2).split(","); var latx1 = tmarkers[i-1]+''; latl = latx1.substr(1,latx1.length-2).split(","); var lat1 = parseFloat(lat[0]); var lat2 = parseFloat(latl[0]); var long1 = parseFloat(lat[1]); var long2 = parseFloat(latl[1]); var yo=0; yo=(2*Math.PI)/360; rad = (((lat1+lat2)/2) * yo); var x = Math.pow(((long1-long2) * Math.cos(rad)),2) + Math.pow((lat1-lat2),2); dist = Math.sqrt(x)*69; distArray[k] = dist; //alert(distArray[k]); if(xfact == 1) { //for feet6 fact = factors[5]; } if(xfact == 2) { //for miles fact = 1; } if(xfact == 3) { //for meter fact = factors[1]; } if(xfact == 4) { //for KM fact = factors[3]; } //alert('xf'+fact); for(m = distArray.length-1; m > 1; m--) { while(n < 1) { //alert("rajesh Thanneeru"); var letter1 = String.fromCharCode("A".charCodeAt(0) + (m-2)); var letter2 = String.fromCharCode("A".charCodeAt(0) + (m-1)); //alert(distArray[m]); prevContent = tdist.innerHTML; tdist.innerHTML = prevContent+letter1+' - '+letter2+':'+(Math.round((distArray[m]*fact)*1000)/1000)+"
"; n = 3; } } //tdist.innerHTML = prevContent+letter1+' - '+letter2+':'+Math.ceil(dist*fact)+"
"; tdist.style.visibility = "visible"; j = 2; //alert('xf'+xfact); } } } function showVals() { if(xfact == 1) { //for feet6 fact = factors[5]; } if(xfact == 2) { //for miles fact = 1; } if(xfact == 3) { //for meter fact = factors[1]; } if(xfact == 4) { //for KM fact = factors[3]; } var tdist = document.getElementById('txtDist'); tdist.innerHTML = ""; for(o = 1; o < distArray.length-1; o++) { var letter1 = String.fromCharCode("A".charCodeAt(0) + (o-1)); var letter2 = String.fromCharCode("A".charCodeAt(0) + (o)); prevContent1 = tdist.innerHTML; tdist.innerHTML = prevContent1+letter1+' - '+letter2+':'+(Math.round((distArray[o+1]*fact)*1000)/1000)+"
"; } } function nearby(pt1) { mpoints[0] = "33.6442, -117.8498"; mpoints[1] = "33.6462, -117.8495"; mpoints[2] = "33.6460, -117.8491"; mpoints[3] = "33.6440, -117.8513"; mpoints[4] = "33.6464, -117.8510"; mpoints[5] = "33.6435, -117.8520"; mpoints[6] = "33.6455, -117.8524"; mpoints[7] = "33.6449, -117.8525"; mpoints[8] = "33.6451, -117.8498"; mpoints[9] = "33.6455,-117.8499"; mpoints[10] = "33.6456, -117.8504"; mpoints[11] = "33.6453, -117.8524"; mpoints[12] = "33.6456, -117.8510"; mpoints[13] = "33.6453, -117.8515"; mpoints[14] = "33.6462, -117.8500"; mpoints[15] = "33.6469, -117.8503"; mpoints[16] = "33.6448, -117.8512"; mpoints[17] = "33.6441, -117.8520"; mpoints[18] = "33.64560, -117.85196"; mpoints[19] = "33.64506, -117.852112"; mpoints[20] = "33.6430, -117.8508"; mpoints[21] = "33.6428, -117.8519"; mpoints[22] = "33.6436157, -117.8498418"; mpoints[23] = "33.6434, -117.8530"; mpoints[24] = "33.6420, -117.8532"; mpoints[25] = "33.646332, -117.851437"; //alert(pt1); var latx = pt1+''; lat = latx.substr(1,latx.length-2).split(","); var lat1 = parseFloat(lat[0]); var long1 = parseFloat(lat[1]); var near = 100000; for(x = 0; x <= mpoints.length; x++) { var latx1 = mpoints[x]+''; latl = latx1.split(","); var lat2 = parseFloat(latl[0]); var long2 = parseFloat(latl[1]); var yo=0; yo=(2*Math.PI)/360; rad = (((lat1+lat2)/2) * yo); var x1 = Math.pow(((long1-long2) * Math.cos(rad)),2) + Math.pow((lat1-lat2),2); dist = Math.sqrt(x1)*69; //alert('dis: '+dist); if(dist < near) { near = dist; np = x; // alert('near: '+near+' x: '+x); nearPoint = mpoints[x]+';'+np; } } //alert("infunction"+nearPoint); return(nearPoint); } function cleardivs() { window.location.reload(); //alert("rajesh"); /*map.clearOverlays(); if ( tmarkers ) { tmarkers=""; } var tdist = document.getElementById('txtDist'); tdist.innerHTML = 'To calculate distance, double click to set points';*/ }