'+'
Directions:
To here -
From here';
// get just the callsign not the ssid
var temp = new Array();
temp = callsign.split('-');
var modCall = temp[0];
var urlMkrLabl = callsign;
var urlMkrHtml = "Current End Point
"+point+"
";
urlMkrHtml += "Report Received: "+lastreport+" ago
";
urlMkrHtml += "Course: "+brng+", Speed: "+spd+" MPH, at ";
urlMkrHtml += hgt+" feet.
";
urlMkrHtml += "Current Radio Horizon: "+curHrz+" miles
";
urlMkrHtml += "Traveled: "+howFar+" miles
";
urlMkrHtml += "Now "+launchtoHere+" miles from the launch site
";
urlMkrHtml += "Touchdown is: "+bearing(point,touchdownPoint)+' degrees, and ';
urlMkrHtml += Math.round(point.distanceFrom(touchdownPoint)/1609.344)+' miles from here.';
urlMkrHtml += '
QRZ link to '+modCall+'';
var urlMkr = createTabbedMarker(point,
[new GInfoWindowTab(urlMkrLabl,urlMkrHtml),
new GInfoWindowTab(urlMkrLab2,urlMkrHtml2),
new GInfoWindowTab("Map",'
')
],[],callcnt-1,"click",direction(brng),tip);
map.addOverlay(urlMkr);
//if the callsign is already in the sideboard lets only update that part of it
if (sidebar_html.indexOf(callsign) > 0){
stuff = document.getElementById(callsign).innerHTML;
cntNsidebar = stuff.substring(0,2);
var mod_html = '
'+cntNsidebar+' -- '
+callsign+' - '+finducnt+' pts'
+'
First: '+timeConvert(starttim)
+'
Last: '+lastreport
+'
Traveled: '+howFar+' miles'
+'
Radio Horizon: '+curHrz+' miles'
+'
Speed: '+spd+'mph'
+'
Max Speed: '+bestSpd+'mph'
+'
Cur Alt: '+ialt+' ft.'
+'
Max Alt: '
+maxhgt+' ft.
Avg. Ascent: '+Math.round(totChangeUp/finducnt)
+' fpm
Avg. Descent: '
+Math.round(totChangeDn/finducnt)+' fpm
Position: '+point+'';
//lets replace only this callsign
document.getElementById(callsign).innerHTML = mod_html;
}else{ /* this is the default action */
sidebar_html += '
'+callcnt+' -- '+callsign+' - '
+finducnt+' pts' /*
Start: '+starttim+'
End Time: '+testtim */
+'
First: '+timeConvert(starttim)
+'
Last: '+lastreport
+'
Traveled: '+howFar+' miles'
+'
Radio Horizon: '+curHrz+' miles'
+'
Speed: '+spd+'mph'
+'
Max Speed: '+bestSpd+'mph'
+'
Cur Alt: '+ialt+' ft.'
+'
Max Alt: '
+maxhgt+' ft.
Avg. Ascent: '+Math.round(totChangeUp/finducnt)+' fpm
Avg. Descent: '
+Math.round(totChangeDn/finducnt)+' fpm
Position: '+point+'';
document.getElementById("sidebar").innerHTML = sidebar_html;
}
} // end of posit loop
}); //end of download url function
}
function showBestSpd() {
map.addOverlay(bestSpdMkr);
}
function RGB2HTML(red, green, blue)
{
var decColor = red + 256 * green + 65536 * blue;
return decColor.toString(16);
}
function direction(bering) {
var whichRB = "";
if (bering > 0 & bering <= 22.5) {whichRB = "rbN"}
else if (bering > 22.5 & bering <= 67.5) {whichRB = "rbNE"}
else if (bering > 67.5 & bering <= 112.5) {whichRB = "rbE"}
else if (bering > 112.5 & bering <= 157.5) {whichRB = "rbSE"}
else if (bering > 157.5 & bering <= 202.5) {whichRB = "rbS"}
else if (bering > 202.5 & bering <= 247.5) {whichRB = "rbSW"}
else if (bering > 247.5 & bering <= 292.5) {whichRB = "rbW"}
else if (bering > 292.5 & bering <= 337.5) {whichRB = "rbNW"}
else if (bering > 337.5 & bering <= 360) {whichRB = "rbN"}
return whichRB;
}
function showTracks(){
if(document.getElementById('showTrack').checked) {
for (var i = 0; i < polyline.length; i++) {
map.addOverlay(polyline[i]);
}
}else{
for (var i = 0; i < polyline.length; i++) {
map.removeOverlay(polyline[i]);
}
}
}
function removeSpaces(string) {
var tstring = "";
string = '' + string;
splitstring = string.split(" ");
try {
for(i = 0; i < splitstring.length; i++)
tstring += splitstring[i];
return tstring;
}catch(e) {
alert('Error 1322:\n\nThere is a problem with the call sign, please check the value.');
return;
}
}
function howlong(endtime) {
var endtime = endtime;
var nowtime = new Date();
var longsince = nowtime.getTime() - endtime.getTime();
var msecondsPerMinute = 1000 * 60;
var msecondsPerHour = msecondsPerMinute * 60;
var msecondsPerDay = msecondsPerHour * 24;
// Calculate how many days longsince contains, then subtract that
// many days from longsince to come up with a remainder
var days = Math.floor( longsince / msecondsPerDay );
longsince = longsince - (days * msecondsPerDay );
// Repeat the previous calculation on the remainder using hours,
// then subtract the hours from the remainder
var hours = Math.floor( longsince / msecondsPerHour );
longsince = longsince - (hours * msecondsPerHour );
var minutes = Math.floor( longsince / msecondsPerMinute );
longsince = longsince - (minutes * msecondsPerMinute );
var seconds = Math.floor( longsince / 1000 );
var lastrpt = days+' day '+hours+' hours '+minutes+' minutes '+seconds+' seconds';
if (days == 0) {
lastrpt = hours+' hours '+minutes+' minutes '+seconds+' seconds';
}
if (days == 0 & hours == 0){
lastrpt = minutes+' minutes '+seconds+' seconds';
}
if (days == 0 & hours == 0 & minutes == 0){
lastrpt = seconds+' seconds';
}
return lastrpt;
}
var colorIndex = 0;
function rndmColor(){
colors = new Array(14)
colors[0]="0"
colors[1]="1"
colors[2]="2"
colors[3]="3"
colors[4]="4"
colors[5]="5"
colors[5]="6"
colors[6]="7"
colors[7]="8"
colors[8]="9"
colors[9]="a"
colors[10]="b"
colors[11]="c"
colors[12]="d"
colors[13]="e"
colors[14]="f"
digit = new Array(5);
color="#";
for (i=0;i<6;i++){
digit[i]=colors[Math.round(Math.random()*14)]
color = color+digit[i];
}
return color;
}
//plot a single point
var numOfMiscPoint = 0; /* number each one */
var miscPoint_SideBar = '
Misc. Points:
';
function getptCoord() {
numOfMiscPoint = numOfMiscPoint + 1;
var ptCoord = removeSpaces(document.getElementById("ptCoord").value);
var currZoom = map.getZoom();
var coords = new Array(2);
coords = ptCoord.split(",");
lat = parseFloat(coords[0]);
lon = parseFloat(coords[1]);
var miscPoint = new GLatLng(lat,lon);
var tip = 'Point # '+numOfMiscPoint+': '+lat+', '+lon;
var miscMarker = createTabbedMarker(miscPoint,
[new GInfoWindowTab('Point # '+numOfMiscPoint,lat+', '+lon),
new GInfoWindowTab("Map",'
')
],[],numOfMiscPoint,"click",'1',tip);
map.addOverlay(miscMarker);
miscPoint_SideBar += 'Point # '+numOfMiscPoint+' @ '+lat+', '+lon+'
';
document.getElementById("pointSidebar").innerHTML = miscPoint_SideBar;
}
var miscMarker;
// ====== Geocoding ======
function showAddress() {
numOfMiscPoint = numOfMiscPoint + 1; /* counter continued from above */
var search = document.getElementById("search").value;
// ====== Perform the Geocoding ======
geo.getLocations(search, function (result)
{
// If that was successful
if (result.Status.code == G_GEO_SUCCESS) {
// How many resuts were found
// Loop through the results, placing markers
for (var i=0; i
' +search+'
'+hideit),
new GInfoWindowTab("Map",'
')
],[],numOfMiscPoint,"click",'1',tip);
map.addOverlay(miscMarker);
miscPoint_SideBar += 'Point # '+numOfMiscPoint+' @ '+Math.round(p[1]*10000)/10000;
miscPoint_SideBar += ', '+Math.round(p[0]*10000)/10000+'
';
document.getElementById("pointSidebar").innerHTML = miscPoint_SideBar;
}
// centre the map on the first result
//var p = result.Placemark[0].Point.coordinates;
//map.setCenter(new GLatLng(p[1],p[0]),14);
} //end if
// ====== Decode the error status ======
else {
var reason="Code "+result.Status.code;
if (reasons[result.Status.code]) {
reason = reasons[result.Status.code]
}
alert('Note 1442:\n\nCould not find "'+search+ '" ' + reason);
} //end else
} //end geo.getlocations
); //end geo.getlocations
} //end function
function loadWXstations(){
GDownloadUrl('dat/wxstations.txt', function(data){
// === split the document into lines ===
lines = data.split("|");
for (var i=0; i
1) {
// === split each line into parts separated by "," and use the contents ===
parts = lines[i].split(",");
var wxsymb = parts[0].substring(1,4);
if (wxsymb == removeSpaces(station)){
var wxname = parts[1];
var wxstate = parts[2];
var wxlat = parseFloat(parts[3]);
var wxlng = parseFloat(parts[4]);
var wxelev = Math.round(parseFloat(parts[5])*3.2808399);
var wxpoint = new GLatLng(wxlat,wxlng);
var wxTbear = bearing(touchdownPoint,wxpoint);
var wxTdist = Math.round(wxpoint.distanceFrom(touchdownPoint)/1609.344);
var wxLbear = bearing(launchPoint,wxpoint);
var wxLdist = Math.round(wxpoint.distanceFrom(launchPoint)/1609.344);
var wxmsg = 'WX Station '+wxsymb+'
'+wxname+', '+wxstate+'
'+wxlat+', '+wxlng+
' at '+wxelev+' feet asl'+
'
'+wxTdist+' miles and '+wxTbear+' deg. from Touchdown
'
+wxLdist+' miles and '+wxLbear+' deg. from Launch Point.';
var wxMarker = createTabbedMarker(wxpoint,
[new GInfoWindowTab('WX Station',wxmsg),
],[],'',"click",'WX','Information about the selected WX Station');
map.addOverlay(wxMarker);
}}}});
} //end loadWXstations function
//this function looks for other WX stations along and either side of the direct line between the launch point
//and the touchdown point. The area of search is an ellipse whose major foci are the launch and touchdown points
//and whose minor foci are calculaed to be 40% as wide as the distance L to T
function ck4OtherWXStations() {
var wxcntr = 0;
var ck4wx = confirm("Look for and mark other WX stations in the flight path?\n\nThis will be done using an ellipse "+
"to define the search area with launch and touchdown as our foci.\n\nNew stations will appear on the map.");
if (ck4wx) {
GDownloadUrl('dat/wxstations.txt', function(data){
// === split the document into lines ===
lines = data.split("|");
for (var i=0; i 1) {
// === split each line into parts separated by "," and use the contents ===
parts = lines[i].split(",");
var wxsymb = parts[0].substring(1,4);
var wxname = parts[1];
var wxstate = parts[2];
var wxlat = parseFloat(parts[3]);
var wxlng = parseFloat(parts[4]);
var wxelev = Math.round(parseFloat(parts[5])*3.2808399);
var wxpoint = new GLatLng(wxlat,wxlng);
var wxTbear = bearing(touchdownPoint,wxpoint);
var wxTdist = Math.round(wxpoint.distanceFrom(touchdownPoint)/1609.344);
var wxLbear = bearing(launchPoint,wxpoint);
var wxLdist = Math.round(wxpoint.distanceFrom(launchPoint)/1609.344);
//find out if its in the ellipse..
//A point P is inside the ellipse if the sum of the distances
//from P to launchPoint and from P to touchdownPoint is less than touchdownFromLaunch*sqrt(1+r*r)
var PtoT = Math.round(wxpoint.distanceFrom(touchdownPoint)); // P to touchdownPoint
var PtoL = Math.round(wxpoint.distanceFrom(launchPoint)); // P to launchPoint
var sumD = Math.round(PtoL + PtoT);
var r = 0.4; /* ratio of major vs minor axis in the ellipse */
var rd = Math.round(r * touchdownFromLaunch)/1609.344; /* minor axis length (distance) */
var ckVal = Math.round(touchdownFromLaunch*Math.sqrt(1+(r*r)));
if (sumD < ckVal) {
var wxmsg = 'WX Station '+wxsymb+'
'+wxname+', '+wxstate+'
'+wxlat+', '+wxlng+
' at '+wxelev+' feet asl'+
'
'+wxTdist+' miles and '+wxTbear+' deg. from Touchdown
'
+wxLdist+' miles and '+wxLbear+' deg. from Launch Point.';
var wxMarker = createTabbedMarker(wxpoint,
[new GInfoWindowTab('WX Station',wxmsg),
],[],
'',"click",'WX','Information about the selected WX Station');
map.addOverlay(wxMarker);
wxcntr = wxcntr + 1;
//GLog.write('wxcntr= '+wxcntr);
} //end if sumD < ckVal
} //end if lines[i].length > 1
} //end for var i=0; i9)?"":"0")+x;
}
function three(x) {
return ((x>99)?"":"0")+((x>9)?"":"0")+x;
}
function Ttime(ms) {
var sec = Math.floor(ms/1000);
ms = ms % 1000;
t = three(ms);
var min = Math.floor(sec/60);
sec = sec % 60;
t = two(sec) + ":" + t;
var hr = Math.floor(min/60);
min = min % 60;
t = two(min) + ":" + t;
var day = Math.floor(hr/24);
hr = hr % 60;
t = two(hr) + ":" + t;
t = day + ":" + t;
return t;
}
function ChangeMissionName() {
var newMission = prompt("Change Mission name to?", document.getElementById("mission").innerHTML);
//confirm('Change '+document.getElementById("mission").innerHTML+' to '+newMission);
document.getElementById("mission").innerHTML = newMission;
}
function geoCodethis() {
var insideHtml = '';
/*mac_os_x*/
var win = new Window({className: "mac_os_x", title: "Geocoding Options",
width:500, height:350});
win.getContent().innerHTML = insideHtml;
win.setDestroyOnClose();
win.showCenter();
win.setConstraint(true, {left:0, right:0, top: 30, bottom:10})
win.toFront();
contextmenu.style.visibility="hidden";
}
function help(trialArray) {
var win = new Window('window_id', {className: "dialog", title: "dumpArray",top:100, left:100, width:600, height:575, zIndex:150, opacity:1, resizable: false, minimizable: true, maximizable: false});
win.getContent().innerHTML = accordian();
win.setDestroyOnClose();
win.showCenter();
win.toFront();
var myAccordion2 = new Rico.Accordion( $('accordionDiv'), {panelHeight:300} );
contextmenu.style.visibility="hidden";
}
//In the nearspace folder where this javascript is, is also a folder called windows_js_1.3 it contains all the info
//about making this cool stuff work. The accordian thing below is part of the rico stuff.
function accordian() {
var htmlString = '';
htmlString += '';
htmlString += '
';
htmlString += '';
htmlString += '
';
htmlString += 'Click on the blue title bars below to view ';
htmlString += 'additional content
';
htmlString += 'Try this...
';
htmlString += '
';
htmlString += '- Rightclick any place on the map... the gridsquare of that location will be displayed.
';
htmlString += "- Click on 'Show track' and 'Go' to follow a balloon using findu.com, click on 'Add/Update' and ";
htmlString += "it's position will be updated.
";
htmlString += "- By clicking anyplace in the 'Mission' box in the sidebar you can change your mission name
";
htmlString += "- By clicking on the 'Using...' information line in the sidebar, you can ask the system to find ";
htmlString += "any additional NOAA reporting airports within the predicted flight path.
";
htmlString += "- By clicking the 'Geocode a point or address' button at the bottom of the screen you can place ";
htmlString += "a marker at either an address or latitude longitdue, or both...
";
htmlString += "- Directions to or from the launch or touchdown point are available by clicking the marker.
";
htmlString += "- A more detail map of the launch and touchdown point are available by clicking the marker.
";
htmlString += "- Adding a '&start=48' to the callsign makes findu use data starting 48 hours ago, any value ";
htmlString += "can be used in this way. e.g. wa0tjt-1&start=96
";
htmlString += "- After adding the track of a callsign, clicking on the max speed in the sidebar adds a marker ";
htmlString += "at the location of it.
";
htmlString += '
';
htmlString += '
';
htmlString += '
';
htmlString += ' ';
htmlString += '
';
htmlString += '';
htmlString += '
';
htmlString += '
Near Space Ventures Inc.
';
htmlString += 'All the Perl scripts that collect the NOAA data and do all the heavy math ';
htmlString += 'were written by: Troy Campbell
';
htmlString += 'The Google maps interface and all its toys was written by: Keith Kaiser
';
htmlString += 'A lot of other code is in here from various sources who were kind enough to lend ';
htmlString += 'their talents. Each is recognized within the various javaScript they contributed.
';
htmlString += 'Some of these people are;
'
htmlString += 'Laurent Haas F6FVY ==> http://f6fvy.free.fr/qthLocator/fullScreen.php
';
htmlString += 'Doug Henderson ==> http://www3.telus.net/DougHenderson/MarkerTabs_v2.html
';
htmlString += 'Mike Williams ==> http://www.econym.demon.co.uk/googlemaps/index.htm
';
htmlString += 'Zouzou Wizman ==> http://prototype-window.xilinus.com/index.html
';
htmlString += 'If you have any questions, problems, praise or ideas for enhancments
';
htmlString += 'please send e-Mail to keith.kaiser@gmail.com
';
htmlString += '
P.S.
We will also take donations, balloons are expensive.';
htmlString += '';
htmlString += '
';
htmlString += '
Log of: '+call+'
';
//findUdata += data;
GLog.write(data);
/* var win = new Window({className: "mac_os_x", title: "Findu Log of: "+call,
width:500, height:350});
win.getContent().innerHTML = findUdata;
win.setDestroyOnClose();
win.showCenter();
win.setConstraint(true, {left:0, right:0, top: 30, bottom:10});
win.toFront(); */
//}
});
}
// Creates a simple marker at the given point
function createMarker(point, words) {
var marker = new GMarker(point,{draggable:true});
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml(words);
});
return marker;
}
var spoint;
var epoint;
function addSMarker() {
point = clicklatlng;
spoint = new GLatLng(clicklatlng.y,clicklatlng.x);
xpoint = Math.round(clicklatlng.y * 10000) / 10000+' '+Math.round(clicklatlng.x * 10000) / 10000;
title = 'Start Marker';
var typeIcon = new GIcon(G_DEFAULT_ICON);
typeIcon.image = "./mapicons/dd-start.png";
smarker = new GMarker(point,{icon:typeIcon, title:title, draggable:true});
var stolaunch = Math.round(spoint.distanceFrom(launchPoint)/1609.344);
var stotouch = Math.round(spoint.distanceFrom(touchdownPoint)/1609.344);
stab1Words = '';
stab1Words +='- This Location: '+xpoint+'
';
stab1Words +='- '+stolaunch+' miles to the launch point
';
stab1Words +='- '+stotouch+' miles to the touchdown point
';
stab1Words +='- Remove this point
';
stab1Words +='
');
var infoTabs = [tab1,tab2];
smarker.openInfoWindowTabsHtml(infoTabs);
});
map.addOverlay(smarker);
contextmenu.style.visibility="hidden";
}
var s2epolyline;
function addEMarker() {
point = clicklatlng;
epoint = new GLatLng(clicklatlng.y,clicklatlng.x);
xpoint = Math.round(clicklatlng.y * 10000) / 10000+' '+Math.round(clicklatlng.x * 10000) / 10000;
title = 'End Marker';
var typeIcon = new GIcon(G_DEFAULT_ICON);
typeIcon.image = "./mapicons/dd-end.png";
emarker = new GMarker(point,{icon:typeIcon, title:title});
var etosmarker = Math.round(epoint.distanceFrom(spoint)/1609.344);
var etolaunch = Math.round(epoint.distanceFrom(launchPoint)/1609.344);
var etotouch = Math.round(epoint.distanceFrom(touchdownPoint)/1609.344);
var stoebearing = bearing(spoint, epoint);
etab1Words = '';
etab1Words +='- This Location: '+xpoint+'
';
etab1Words +='- Bearing from Start: '+stoebearing+' degrees
';
etab1Words +='- Start to End distance: '+etosmarker+' miles
';
etab1Words +='- '+etolaunch+' miles to the launch point
';
etab1Words +='- '+etotouch+' miles to the touchdown point
';
etab1Words +='- Remove this marker
';
etab1Words +='
\n";
strHtml += "Lat : " + Math.round(clicklatlng.y * 10000) / 10000 + " " + latDir;
strHtml += " (" + latDeg + "° " + Math.floor(latMin2) + "' " + latSec + "'' "+ latDir + ")";
strHtml += "
\n";
strHtml += "Long : " + Math.round(clicklatlng.x * 10000) / 10000 + " " + longDir;
strHtml += " (" + longDeg + "° " + Math.floor(longMin2) + "' " + longSec + "'' "+ longDir + ")";
strHtml += "
\n";
var ychr = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
var ynum = "0123456789";
var yqth, yi, yk, ydiv, yres, ylp, y;
var y = 0;
var ycalc = new Array(0,0,0);
var yn = new Array(0,0,0,0,0,0,0);
ycalc[1] = clicklatlng.x + 180;
ycalc[2] = clicklatlng.y + 90;
for (yi = 1; yi < 3; ++yi) {
for (yk = 1; yk < 4; ++yk) {
if (yk != 3) {
if (yi == 1) {
if (yk == 1) ydiv = 20;
if (yk == 2) ydiv = 2;
}
if (yi == 2) {
if (yk == 1) ydiv = 10;
if (yk == 2) ydiv = 1;
}
yres = ycalc[yi] / ydiv;
ycalc[yi] = yres;
if (ycalc[yi]>0)
ylp = Math.floor(yres)
else
ylp = Math.ceil(yres);
ycalc[yi] = (ycalc[yi] - ylp) * ydiv;
}else {
if (yi == 1)
ydiv = 12
else
ydiv = 24;
yres = ycalc[yi] * ydiv;
ycalc[yi] = yres;
if (ycalc[yi] > 0)
ylp = Math.floor(yres)
else
ylp = Math.ceil(yres);
}
++y;
yn[y] = ylp;
}
}
yqth = ychr.charAt(yn[1]) + ychr.charAt(yn[4]) + ynum.charAt(yn[2]);
yqth += ynum.charAt(yn[5]) + ychr.charAt(yn[3])+ ychr.charAt(yn[6]);
strHtml += "Grid Square: " + yqth + "";
// map.removeOverlay(polygonClick);
//polygonClick.redraw(true);
map.openInfoWindowHtml(clicklatlng, strHtml);
// Square limits
var bottomLeftLong = Math.floor(clicklatlng.x / 0.0833333333) * 0.0833333333;
var bottomLeftLat = Math.floor(clicklatlng.y / 0.0416666666) * 0.0416666666;
polygonClick = new GPolygon([
new GLatLng(bottomLeftLat, bottomLeftLong),
new GLatLng(bottomLeftLat, bottomLeftLong + 0.0833333333),
new GLatLng(bottomLeftLat + 0.0416666666, bottomLeftLong + 0.0833333333),
new GLatLng(bottomLeftLat + 0.0416666666, bottomLeftLong),
new GLatLng(bottomLeftLat, bottomLeftLong)
], "#FF0000", 4,.25,'red',.10);
map.addOverlay(polygonClick);
contextmenu.style.visibility="hidden";
} // if (point)
} // end of gridsquare
function originalPosition() {
map.returnToSavedPosition();
contextmenu.style.visibility="hidden";
}
function zoomInHere() {
// perform the requested operation
var point = map.fromContainerPixelToLatLng(clickedPixel)
map.zoomIn(point,true);
// hide the context menu now that it has been used
contextmenu.style.visibility="hidden";
}
function zoomOutHere() {
// perform the requested operation
var point = map.fromContainerPixelToLatLng(clickedPixel)
map.setCenter(point,map.getZoom()-1); // There is no map.zoomOut() equivalent
// hide the context menu now that it has been used
contextmenu.style.visibility="hidden";
}
function centreMapHere() {
// perform the requested operation
var point = map.fromContainerPixelToLatLng(clickedPixel)
map.setCenter(point);
// hide the context menu now that it has been used
contextmenu.style.visibility="hidden";
}
function add() {
var marker1;
var marker2;
var label1;
var label2;
var button=0;
var dist=0;
var line;
var poly;
var m1; var m2;
function measure() {
if(marker1&&marker2)
line = [marker1.getPoint(),marker2.getPoint()];
dist=marker1.getPoint().distanceFrom(marker2.getPoint());
dnum=dist;
var direction=parseInt(bearing(marker1.getPoint(),marker2.getPoint()));
if (direction < 180) {
m1=direction+180;
m2=direction;
} else
if (direction > 180) {
m2=direction;
m1=direction-180;
}
dist=" "+dist.toFixed(0)+"m
"+Math.round(dist.toFixed(0)*1.0936133)+"yards";
if(parseInt(dnum)>1609){
dist=" "+(parseInt(dnum)/1000).toFixed(1)+"km
"+Math.round((parseInt(dnum)/1000).toFixed(1)*0.621371192)+"miles";}
label1.setContents("m1
"+dist+"
"+m1+"degrees");
label2.setContents("m2
"+dist+"
"+m2+"degrees");
label1.setPoint(marker1.getPoint());
label2.setPoint(marker2.getPoint());
if(poly)map.removeOverlay(poly);
poly = new GPolyline(line,'#FFFF00', 8, 1)
map.addOverlay(poly);
}
document.getElementById("add").value="click on map";
GEvent.addListener(map, 'click', function(overlay,pnt) {
if(pnt&&button==0) {
marker1 = new GMarker(pnt,{draggable: true});
map.addOverlay(marker1);
marker1.enableDragging();
label1=new ELabel(pnt, dist,"labelstyle",new GSize(2,20),60);
map.addOverlay(label1);
marker2 = new GMarker(pnt,{draggable: true});
map.addOverlay(marker2);
marker2.enableDragging();
label2=new ELabel(pnt, dist,"labelstyle",new GSize(2,20),60);
map.addOverlay(label2);
}
GEvent.addListener(marker1,"drag",function(){measure();});
GEvent.addListener(marker1,"dblclick",function(){clr();});
GEvent.addListener(marker2,"drag",function(){measure();});
GEvent.addListener(marker2,"dblclick",function(){clr();});
document.getElementById("add").value="You Have a Ruler";
button++;
});
function clr(){
//map.clearOverlays();
map.removeOverlay(poly);
map.removeOverlay(marker1);
map.removeOverlay(marker2);
map.removeOverlay(label1);
map.removeOverlay(label2);
button=0;
document.getElementById("add").value="New Ruler";
dist=0;
}
} // This is actually the end of the add function