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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>
Nav display test 9
</title><!--
,MMN, ...................................................................................
,MMM, CROSSFEED CLIENT MAPPING TESTSUITE: FULL SCREEN MAP
JMMN,
.gg, MMMM, These files are written for testing and develop
.MMN .....jMMMMa....... the crossfeed client (written by Geoff McLane) of FlightGear
.TMMMMMMMMMMMMMMMMMMMMMMM@ Multiplayer Server (written by Oliver Schroeder).
.MMF `?WMMMM"7??!` See http://www.fgx.ch for more information.
?""` dMMM' (c) 2013 Geoff R. McLane, Paris
.MMM' Licence: GPLv2 or later
.MMM' http://www.gnu.org/licenses/gpl.txt
.MMM' ............................................
Please do not remove this copyright and license information from this source in any case.
For OpenLayers (FreeBSD license) and jQuery (MIT license) please follow these links:
http://openlayers.org, http://jquery.org
........................................................................................
20131123 - v0.0.9 - Change to loading ALL icao.json together
20131122 - v0.0.8 - Do not like using label.js for tooltips so cancelled that, and anyway it had seemed
to stop working! see add_hover_tooltip
20131111 - Found a tooltip that works, class in js/label.js
20131106 - Version 0.0.1 - Initial cut.
<script src="js/OpenLayers.js"
type="text/javascript">
</script>
-->
<script src="js/OpenLayers-2.14-dev.js"
type="text/javascript">
</script>
<script src="js/OpenStreetMap.js"
type="text/javascript">
</script>
<script src='js/three.min.js'
type="text/javascript">
</script>
<script src="js/jquery-2.0.3.js"
type="text/javascript">
</script>
<script src="js/geodesic.js"
type="text/javascript">
</script>
<script src="js/label.js"
type="text/javascript">
</script>
<style type="text/css">
html, body, #map {
margin: 0;
width: 100%;
height: 100%;
}
#status_line {
position: absolute;
font-size: 12px;
bottom: 1em;
left: 10em;
width: 800px;
z-index: 1000;
vertical-align: middle;
border: 1px solid #000000;
background-color: white;
}
.nob {
border: 0;
padding: 0;
}
.olMarkerLabel {
font-size: small;
color: black;
background-color: #FFFFCC;
width: 150px;
padding: 1px;
border: 1px black solid;
z-index: 1000;
}
</style>
<script type="text/javascript">
// CONSTANTS
var NM2KM = 1.852;
var startTime = new Date();
var FGx = FGx || {};
// Start position for the map (hardcoded here for simplicity,
// but maybe get this from the URL params)
// IN this case Orly (LFPO)
//var def_lat = 48.72698;
//var def_lon = 2.370448;
//var def_zoom = 12;
// "icao":"YGIL","name":"Gilgandra","lat":-31.696845765,"lon":148.63677076,
//var def_lat = -31.696845765;
//var def_lon = 148.63677076;
//var def_zoom = 10;
// 3451 YSSY Sydney Intl (-33.949273,151.181346833333) tile=e150s30
//var def_lat = -33.949273;
//var def_lon = 151.18134683;
//var def_zoom = 12;
// 300 KDFW Dallas Fort Worth Intl (32.8971108914286,-97.0365474157143) tile=w090n30
//var def_lat = 32.8971108914286;
//var def_lon = -97.0365474157143;
//var def_zoom = 12;
// 413 AL77 [H] Montgomery Regional Medical Center (32.37513805,-86.29719112) tile=w080n30
// 3,32.22227778,-086.31972222,270,11210,130,3.0,MGM,,,"MONTGOMERY VORTAC"
//var def_lat = 32.22227778;
//var def_lon = -086.31972222;
//var def_zoom = 12;
// example with 4 helipads
// 1336 HAUP [H] Heliport d Aubagne - Agora (43.286578,5.604074) tile=e000n40
// http://pro2home.dnsdynamic.com/map-test/nav.html?zoom=11&lat=43.28807&lon=5.59683&layers=BTTTT
//var def_lat = 43.28807;
//var def_lon = 5.59683;
//var def_zoom = 11;
// 0 KSFO San Francisco Intl (37.61867421125,-122.37500760875)
var def_lat = 37.59746; // 37.61867421125;
var def_lon = -122.31939; // -122.37500760875;
var def_zoom = 12;
var def_hdg = 297.9;
var def_spd = 320; //160;
var def_dist = 15; // km
var def_to = 500;
var def_cs = 'GHOST';
var curr_lat = 37.59746; // 37.61867421125;
var curr_lon = -122.31939; // -122.37500760875;
var curr_hdg = 297.9;
var curr_spd = 320; // 160;
var curr_dist = 15;
var timeout = 500; //1000; // ms to next event
var curr_cs = 'GHOST';
var planeTime;
var intervalID = 0;
var add_marker = false;
var max_ils_rng = 15; // was 10, but...
var add_hover_tooltip = false;
var show_waiting = false;
var circle_style = {
strokeColor: '#0000ff',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
var vor_style = {
strokeColor: '#ff0000',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
var ndb_style = {
strokeColor: '#a0000ff',
strokeOpacity: 0.2,
strokeWidth: 1,
fill: true
};
var nav_style = {
strokeColor: '#000000',
strokeOpacity: 0.8,
strokeWidth: 2,
fill: false
};
var red_style = {
strokeColor: '#ff0000',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
// Heliport
var green_style = {
strokeColor: '#004000',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
var blue_style = {
strokeColor: '#0000ff',
strokeOpacity: 0.5,
strokeWidth: 2,
fill: false
};
var ils_style = {
strokeColor: '#ff0000',
strokeOpacity: 0.5,
strokeWidth: 1
};
var map; //complex object of type OpenLayers.Map
var markerLayer, vectorLayer, fromProjection, toProjection;
var mapnik, position, airportLabel;
var vor_icon, ndb_icon, air_icon, plane;
var navLength = 0; // total navaids loaded
var airportLength = 0; // total airports loaded
var airFound = []; // airports found within current screen bounds
var airPainted = []; // index of aiports painted
var navFound = []; // index of navaids found within current screen bounds
var navPainted = []; // index of navaids painted
var add_helipads = 1; // load HELIPADS
var helipadLength = 0;
var heliFound = []; // helipads found within current screen blunds
var heliPainted = [];
var ilsPainted = []; // array of ICAO of ILS painted
var curr_lat1, curr_lon1, curr_lat2, curr_lon2;
var curr_zoom = 0;
var curr_width, curr_height;
// ICAO json loading
// ============================================================
var jsonLoaded = {};
// new idea
var icaoDone = [];
var icaoRequests = 0;
// ==============================================================
var lineLayer;
var permControl;
var line_style = {
strokeColor: '#ff0000',
strokeOpacity: 0.5,
strokeWidth: 1
};
var doneAir = false;
var doneHeli = false;
var doneNavs = false;
var circuit;
var curr_leg = 0;
function valInArray(s,a ) {
var i, t;
var max = a.length;
for (i = 0; i < max; i++) {
t = a[i];
if ( s == t )
return true;
}
return false;
}
// generate a simple rectangular circuit, kept as a set of LatLon points
// in the curcuit array
function calculateCircuit() {
circuit = new Array();
var nhdg = curr_hdg;
// first leg is from curr_lat,curr_lon, on curr_hdg, for curr_dist
circuit[0] = new LatLon(curr_lat,curr_lon);
var p = getDirect( curr_lat, curr_lon, nhdg, curr_dist );
circuit[1] = new LatLon(p._lat,p._lon);
// second leg is from the new position, turn right 90 degrees for 0.5 curr_dist
nhdg += 90;
if (nhdg >= 360)
nhdg -= 360;
var p2 = getDirect( p._lat, p._lon, nhdg, curr_dist / 2);
circuit[2] = new LatLon(p2._lat,p2._lon);
// third leg, turn right 90 degrees, for curr_dist
nhdg += 90;
if (nhdg >= 360)
nhdg -= 360;
var p3 = getDirect( p2._lat, p2._lon, nhdg, curr_dist );
circuit[3] = new LatLon(p3._lat,p3._lon);
// last leg is back to original position
}
function init(cs,lat,lon,zoom,hdg,spd,dist,to) {
// fix lat, lon, zoom
if (cs.length == 0)
cs = def_cs;
if (lat.length)
lat = parseFloat(lat);
else
lat = def_lat;
if (lon.length)
lon = parseFloat(lon);
else
lon = def_lon;
if (zoom.length)
zoom = parseFloat(zoom)
else
zoom = def_zoom;
if (hdg.length)
hdg = parseFloat(hdg);
else
hdg = def_hdg;
if (spd.length)
spd = parseFloat(spd);
else
spd = def_spd;
if (dist.length)
dist = parseFloat(dist);
else
dist = def_dist;
if (to.length)
to = parseFloat(to);
else
to = def_to;
// get the map
map = new OpenLayers.Map("map", {
projection: new OpenLayers.Projection("EPSG:3857"),
// this sets wgs84/4326 as default for display coords
displayProjection: new OpenLayers.Projection("EPSG:4326") }
);
mapnik = new OpenLayers.Layer.OSM();
fromProjection = new OpenLayers.Projection("EPSG:4326"); // Transform from WGS 1984
toProjection = new OpenLayers.Projection("EPSG:900913"); // to Spherical Mercator Projection
position = new OpenLayers.LonLat(lon,lat).transform( fromProjection, toProjection);
var labelStyle = new OpenLayers.Style({
//externalGraphic: "images/label_background.gif",
externalGraphic: "images/background_trans.png",
graphicWidth: "${labelWidth}",
graphicHeight: "13",
graphicOpacity: 0.99,
graphicXOffset: "${labelOffset}",
graphicYOffset: 14,
fillColor: "#000000",
fillOpacity: 0.0,
strokeWidth: 0.0,
label : "${icao}",
//fontColor: "#CCCCCC",
fontColor: "#000000",
fontSize: "11px",
fontFamily: "\"DejaVuSansMonoBold\",monospace",
//fontWeight: "normal",
fontWeight: "bold",
labelAlign: "center",
labelXOffset: "0",
labelYOffset: "-22" });
airportLabel = new OpenLayers.Layer.Vector("Airport", {styleMap: labelStyle});
map.addLayers([mapnik,airportLabel]);
permControl = new OpenLayers.Control.Permalink('permalink');
map.addControl(permControl);
map.addControl(new OpenLayers.Control.MousePosition());
map.addControl(new OpenLayers.Control.ScaleLine());
map.addControl(new OpenLayers.Control.LayerSwitcher());
markerLayer = new OpenLayers.Layer.Markers( "Markers" );
// markerLayer.setOpacity(0.5); // guestimate only
map.addLayer(markerLayer);
// for circle drawing
vectorLayer = new OpenLayers.Layer.Vector("Overlay");
map.addLayer(vectorLayer);
lineLayer = new OpenLayers.Layer.Vector("Line Layer");
map.addLayer(lineLayer);
// VOR-95x83.png
var vor_size = new OpenLayers.Size(95,83);
var vor_off = new OpenLayers.Pixel(-(vor_size.w/2), -vor_size.h);
vor_icon = new OpenLayers.Icon('data/img/VOR-95x83.png',vor_size,vor_off);
// NDB-95x95.png
var ndb_size = new OpenLayers.Size(95,95);
var ndb_off = new OpenLayers.Pixel(-(ndb_size.w/2), -ndb_size.h);
ndb_icon = new OpenLayers.Icon('data/img/NDB-95x95.png',ndb_size,ndb_off);
var air_size = new OpenLayers.Size(40,40);
var air_off = new OpenLayers.Pixel(-(air_size.w/2), -air_size.h/2);
air_icon = new OpenLayers.Icon('textures/fg_generic_craft.png',air_size,air_off);
if (add_marker) {
markerLayer.addMarker(new OpenLayers.Marker(position));
} else {
var radius = 1000; // TODO: what SIZE should the circle be? probably should DEPEND on zoom???
// distance to vertex, in map units
var sides = 30; // docs say '20 approximates a circle'... so ...
var point = new OpenLayers.Geometry.Point(position.lon, position.lat);
var circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
radius,
sides,
0 );
var featurecircle = new OpenLayers.Feature.Vector(circle, null, circle_style);
vectorLayer.addFeatures([featurecircle]);
plane = new OpenLayers.Marker(position, air_icon);
// from : http://coherent-labs.com/cryengine-3-minimap-made-with-coherent-ui/
plane.icon.imageDiv.style.webkitTransform = "rotate(" + hdg + "deg)";
markerLayer.addMarker(plane);
}
map.setCenter(position, zoom );
// establish current values
curr_lat = lat; // 37.61867421125;
curr_lon = lon; // -122.37500760875;
curr_hdg = hdg;
curr_spd = spd;
curr_dist = dist;
timeout = to;
curr_cs = cs;
calculateCircuit(); // calculate a circuit for the plane
// maybe after the first centering and zooming all done
// map.events.register(type, obj, listener);
map.events.register('zoomend', undefined, zoomChanged);
map.events.register('moveend', undefined, moveEnded);
// map.events.register('dragend', undefined, dragEnded); // this did nothing???
// in fact, seems from : http://dev.openlayers.org/releases/OpenLayers-2.11/doc/apidocs/files/OpenLayers/Map-js.html#OpenLayers.Map.EVENT_TYPES
// there is no dragend event supported, and says 'moveend triggered after a drag, pan, or zoom completes'
}
function rotateFeature(feature, angle, origin) {
feature.geometry.rotate(angle, origin);
feature.layer.drawFeature(feature);
}
/**
* Object.size = function(obj)
* @param (object) Object to get the size of
* @return (int) Length of the object
*/
Object.size = function(obj) {
var size = 0, key;
for (key in obj) {
if (obj.hasOwnProperty(key)) size++;
}
return size;
};
function getLatLonExt() {
var ext = map.getExtent();
//var stg = ext.toBBOX();
var left = ext.left;
var top = ext.top;
var right = ext.right;
var bott = ext.bottom;
var tl = new OpenLayers.LonLat(left,top).transform( toProjection, fromProjection );
var br = new OpenLayers.LonLat(right,bott).transform( toProjection, fromProjection );
var lat1 = tl.lat;
var lon1 = tl.lon;
var lat2 = br.lat;
var lon2 = br.lon;
// expand this to a minimum of 0.1 degrees span - WHY? not sure!
var av;
if ((lat1 - lat2) < 0.1) {
av = (lat1 + lat2) / 2;
lat1 = av + 0.05;
lat2 = av - 0.05;
}
if ((lon2 - lon1) < 0.1) {
av = ( lon1 + lon2 ) / 2;
lon1 = av - 0.05;
lon2 = av + 0.05;
}
var lle = {};
lle.tllat = lat1;
lle.tllon = lon1;
lle.brlat = lat2;
lle.brlon = lon2;
var mlat = (lat1 + lat2) / 2;
var mlon = (lon1 + lon2) / 2;
lle.width = getDistance( mlat, lon1, mlat, lon2 );
lle.height = getDistance( lat1, mlon, lat2, mlon );
return lle;
}
function searchNavAids2( lat1, lon1, lat2, lon2 ) {
var max = FGx.navaids.length;
var i, nav, nlat, nlon, id, cnt;
var navs = [];
for (i = 1; i < max; i++) {
nav = FGx.navaids[i];
nlat = parseFloat(nav[1]);
nlon = parseFloat(nav[2]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
// found.push(nav); // why the whole record
navs.push(i); // just need an index
}
}
return navs; // return array of indexex found
}
function searchAirports2( lat1, lon1, lat2, lon2 ) {
var max = FGx.airports.length;
var i, air, nlat, nlon, id, cnt;
var airs= [];
for (i = 1; i < max; i++) {
air = FGx.airports[i];
nlat = parseFloat(air[2]);
nlon = parseFloat(air[3]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
// found.push(nav); // why the whole record
airs.push(i); // just need an index
}
}
return airs; // return the found
}
function compArrays( arrA, arrB ) {
// check if lengths are different
if ( arrA.length !== arrB.length ) return false;
// slice so we do not effect the original
// sort makes sure they are in order
// join makes it a string so we can do a string compare
var cA = arrA.slice().sort().join(",");
var cB = arrB.slice().sort().join(",");
return cA === cB;
}
function processChange(evt) {
setGLobalBounds(); // establish BOUND of current map
var newNavs = searchNavAids( curr_lat1, curr_lon1, curr_lat2, curr_lon2 );
var newAirs = searchAirports( curr_lat1, curr_lon1, curr_lat2, curr_lon2 );
var newHeli = searchHelipads( curr_lat1, curr_lon1, curr_lat2, curr_lon2 );
showStatus();
getAirJson(newAirs,newHeli,newNavs);
}
function zoomChanged() {
processChange(1);
}
// sometime can have 2 or more of these...
function moveEnded() {
processChange(2);
}
// These events can 'sometimes' be seen at startup also
// And 'sometimes' they come as a pair?!?
function zoomChanged_test() {
var zoom = map.getZoom();
// alert("Zoom changed to "+zoom);
// TODO: Need to redraw the features according to this NEW zoom level
var lle = getLatLonExt();
var navs = searchNavAids2( lle.tllat, lle.tllon, lle.brlat, lle.brlon );
var airs = searchAirports2( lle.tllat, lle.tllon, lle.brlat, lle.brlon );
// is there any significant change
var compn = compArrays( navs, navFound );
var compa = compArrays( airs, airFound );
var msg = 'DIFFERENT';
var adddbg = false;
if (compn && compa) {
msg = 'SAME';
console.log("zoomChanged: "+zoom+" TL="+lle.tllat+","+lle.tllon+" BR="+lle.brlat+","+lle.brlon+" ~ w="+lle.width+" h="+lle.height+" km. "+msg);
} else {
console.log("zoomChanged: "+zoom+" TL="+lle.tllat+","+lle.tllon+" BR="+lle.brlat+","+lle.brlon+" ~ w="+lle.width+" h="+lle.height+" km."+msg);
if (adddbg) {
if (!compn) {
msg = "Nav1: "+navs.slice().sort().join(',');
console.log(msg);
msg = "Nav2: "+navFound.slice().sort().join(',');
console.log(msg);
}
if (!compa) {
msg = "Air1: "+airs.slice().sort().join(',');
console.log(msg);
msg = "Air2: "+airFound.slice().sort().join(',');
console.log(msg);
}
}
}
}
// sometime can have 2 or more of these...
function moveEnded_test() {
// TODO: Need to redraw the features according to this NEW zoom level
var zoom = map.getZoom();
var lle = getLatLonExt();
var navs = searchNavAids2( lle.tllat, lle.tllon, lle.brlat, lle.brlon );
var airs = searchAirports2( lle.tllat, lle.tllon, lle.brlat, lle.brlon );
var compn = compArrays( navs, navFound );
var compa = compArrays( airs, airFound );
var msg = 'DIFFERENT';
var adddbg = false;
if (compn && compa) {
msg = 'SAME';
console.log("moveEnded: "+zoom+" TL="+lle.tllat+","+lle.tllon+" BR="+lle.brlat+","+lle.brlon+" ~ w="+lle.width+" h="+lle.height+" km. "+msg);
} else {
console.log("moveEnded: "+zoom+" TL="+lle.tllat+","+lle.tllon+" BR="+lle.brlat+","+lle.brlon+" ~ w="+lle.width+" h="+lle.height+" km."+msg);
if (adddbg) {
if (!compn) {
msg = "Nav1: "+navs.slice().sort().join(',');
console.log(msg);
msg = "Nav2: "+navFound.slice().sort().join(',');
console.log(msg);
}
if (!compa) {
msg = "Air1: "+airs.slice().sort().join(',');
console.log(msg);
msg = "Air2: "+airFound.slice().sort().join(',');
console.log(msg);
}
}
}
}
// NEVER SEEN - removed register above
//function dragEnded() {
// // TODO: Need to redraw the features according to this NEW zoom level
// var zoom = map.getZoom();
// var lle = getLatLonExt();
// console.log("dragEnded: "+zoom+" TL="+lle.tllat+","+lle.tllon+" BR="+lle.brlat+","+lle.brlon+" ~ w="+lle.width+" h="+lle.height+" km.");
//}
/**
* function addLabel(icao, lon, lat);
* @param (string) ICAO to paint
* @param (number) Degree of longitude
* @param (number) Degree of latitude
* Add a label for an airport contianing ICAO
*/
function addLabel(icao, lon, lat) {
var point = new OpenLayers.Geometry.Point(lon,lat).transform( fromProjection, toProjection);
var labelFeature = new OpenLayers.Feature.Vector(point);
labelFeature.id = "label"+icao;
labelFeature.attributes.icao = icao;
// This calculates label background width and offset
labelWidth = 8 * icao.length;
labelOffset = labelWidth / 2 * -1.0;
labelFeature.attributes.labelWidth = labelWidth;
labelFeature.attributes.labelOffset = labelOffset;
airportLabel.addFeatures(labelFeature);
}
/**
* function requestFile( fname, callback );
* @param (string) File name to load
* @param (function) Callback funtion on state change
* ========== load data files ========
*/
function requestFile( fname, callback ) {
var xmlhttp = new XMLHttpRequest();
xmlhttp.open( 'GET', fname, true );
xmlhttp.onreadystatechange = callback;
xmlhttp.send( null );
}
/**
* function searchNavAids( lat1, lon1, lat2, lon2, type );
* @param (Float) Degrees of hightest (N) latitude
* @param (Float) Degrees of least (W) longitude
* @param (Float) Degrees of lowest (S) latitude
* @param (Float) Degrees of most (E) longitude
*/
function searchNavAids( lat1, lon1, lat2, lon2 ) {
var max = FGx.navaids.length;
var i, nav, nlat, nlon, id, cnt;
newFound = [];
for (i = 1; i < max; i++) {
nav = FGx.navaids[i];
nlat = parseFloat(nav[1]);
nlon = parseFloat(nav[2]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
// found.push(nav); // why the whole record
if (!valInArray(i,navFound)) {
navFound.push(i); // just need an index
newFound.push(i);
}
}
}
return newFound; // return the found
}
/**
* function searchAirports( lat1, lon1, lat2, lon2 );
* Top Left corner
* @param (number) Maximum latitude
* @param (number) Minimum longitude
* Bottom Right corner
* @param (number) Minimum latitude
* @param (number) Maximum longitude
* @return (array) Array of indexes of airports within bounding box
* search airports from a -icao.CSV file
* 0 1 2 3 4 5
* icao,"name", lat, lon, runways,ils
* 00C,"Animas Air Park",37.203178,-107.8691945,1, 0
*/
function searchAirports( lat1, lon1, lat2, lon2 ) {
var max = FGx.airports.length;
var i, air, nlat, nlon, id, cnt;
var newFound = [];
for (i = 1; i < max; i++) {
air = FGx.airports[i];
nlat = parseFloat(air[2]);
nlon = parseFloat(air[3]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
// found.push(nav); // why the whole record
if (!valInArray(i,airFound)) {
airFound.push(i); // just need an index
newFound.push(i);
}
}
}
return newFound; // return the NEW found
}
/**
* function searchHelipads( lat1, lon1, lat2, lon2 );
* Top Left corner
* @param (number) Maximum latitude
* @param (number) Minimum longitude
* Bottom Right corner
* @param (number) Minimum latitude
* @param (number) Maximum longitude
* @return (array) Array of indexes of airports within bounding box
* search airports from a -heli.CSV file
* 0 1 2 3 4 5
* icao,"name", lat, lon, runways,ils
* 00E, "[h] Apache Junction",33.49421222,-111.64124806,0, 0
*/
function searchHelipads( lat1, lon1, lat2, lon2 ) {
var max = FGx.helipads.length;
var i, air, nlat, nlon, id, cnt;
newFound = [];
for (i = 1; i < max; i++) {
air = FGx.helipads[i];
nlat = parseFloat(air[2]);
nlon = parseFloat(air[3]);
if ((nlat <= lat1)&&(nlat >= lat2)&&
(nlon >= lon1)&&(nlon <= lon2)) {
if (!valInArray(i,heliFound)) {
heliFound.push(i); // just need an index
newFound.push(i);
}
}
}
return newFound; // return the found
}
/**
* function getNavPosition(i)
* @param (integer) Index into navaids loaded
* @return (LonLat) OpenLayers LonLat of navaid
*/
function getNavPosition(i) {
var nav = FGx.navaids[i];
var nlat = parseFloat(nav[1]);
var nlon = parseFloat(nav[2]);
var pos = new OpenLayers.LonLat(nlon,nlat).transform( fromProjection, toProjection );
return pos;
}
function paintLine( lat1, lon1, lat2, lon2, style )
{
var points = new Array(
new OpenLayers.Geometry.Point(lon1,lat1).transform( fromProjection, toProjection ),
new OpenLayers.Geometry.Point(lon2,lat2).transform( fromProjection, toProjection )
);
var line = new OpenLayers.Geometry.LineString(points);
var lineFeature = new OpenLayers.Feature.Vector(line, null, style);
lineLayer.addFeatures([lineFeature]);
}
function paintVORRose( nlat, nlon ) {
var p1, p2, hdg, dist1, dist2;
dist1 = 3.25;
dist2 = 0.4;
for (hdg = 0; hdg < 360; hdg += 10) {
if ((hdg == 0)||(hdg == 90)||(hdg == 180)||(hdg == 270))
dist2 = 0.4;
else
dist2 = 3.0;
p1 = getDirect( nlat, nlon, hdg, dist1 ); // outter point
p2 = getDirect( nlat, nlon, hdg, dist2 ); // inner point
paintLine( p2._lat, p2._lon, p1._lat, p1._lon, blue_style );
}
}
function paintNDBRose( nlat, nlon ) {
var p1, p2, hdg, dist1, dist2;
dist1 = 3.25;
dist2 = 0.4;
for (hdg = 0; hdg < 360; hdg += 45) {
if ((hdg == 0)||(hdg == 90)||(hdg == 180)||(hdg == 270))
dist2 = 0.4;
else
dist2 = 3.0;
p1 = getDirect( nlat, nlon, hdg, dist1 ); // outter point
p2 = getDirect( nlat, nlon, hdg, dist2 ); // inner point
paintLine( p2._lat, p2._lon, p1._lat, p1._lon, blue_style );
}
}
/**
* function paintNavaids( navs );
* @param (array) Navaids found in bounding box
* Add a display of certain types of navaids onto the map
* TODO: Lots of experimenting... ended up just adding an image in most cases
*/
function paintNavaids( navs ) {
var cnt = navs.length;
var i, j, pos, ind, typ, nav;
var icon, marker;
var point, circle, featurecircle;
var nlat, nlon;
var z = curr_zoom;
//if (z < 5) {
// return 0;
//}
var radius = 500; // TODO: what SIZE should the circle be? probably should DEPEND on zoom???
var sides = 20; // docs say '20 approximates a circle'... so ...
var style = circle_style;
var add = true;
var img = '';
var painted = 0;
var done = false;
for (i = 0; i < cnt; i++) {
ind = navs[i];
if (valInArray(ind,navPainted))
continue; // already painted
navPainted.push(ind);
nav = FGx.navaids[ind];
typ = parseInt(nav[0]);
nlat = parseFloat(nav[1]);
nlon = parseFloat(nav[2]);
pos = getNavPosition(ind);
radius = 200;
style = nav_style;
add = true;
img = '';
done = false;
if (typ == 2) {
if (z < 8)
img = 'NDB-50x50.gif';
else
img = 'NDB-95x95.gif';
//markerLayer.addMarker(new OpenLayers.Marker(pos,ndb_icon.clone));
radius = 400;
style = ndb_style;
//style = circle_style;
add = false;
} else if (typ == 3) {
// Three types of VOR, VORTAC, VOR-DME, and good old VOR - check name
//markerLayer.addMarker(new OpenLayers.Marker(pos,vor_icon.clone));
radius = 500;
style = vor_style;
if (z < 8)
img = 'VOR-50x43.gif'; // 'standard' VOR
else
img = 'VOR-95x83.gif'; // 'standard' VOR
var name = nav[10]; // get the 'name'
var fnd = name.match(/VORTAC/g);
if (fnd !== null) {
if (z < 8)
img = 'VORTAC-50x43.gif';
else
img = 'VORTAC-97x85.gif';
} else {
fnd = name.match(/DME/g);
if (fnd !== null) {
if (z < 8)
img = 'VOR-DME-50x43.gif';
else
img = 'VOR-DME-95x83.gif';
}
}
add = false;
} else if ((typ == 4)||(typ == 5)||(typ == 6)) {
// Localiser and Glideslope components of ILS (LDA, SDF)
// this will come from the ICAO.json file
add = false;
} else if ((typ == 7)||(typ == 8)||(typ == 9)) {
// OM, MM, IM markers
radius = 200;
style = nav_style;
if (z > 7) {
if (typ == 7)
img = 'OM.png';
else if (typ == 8)
img = 'MM.png';
else
img = 'IM.png';
}
add = false;
} else if (typ == 12) {
// DME of ILS
radius = 600;
style = circle_style;
add = false;
} else if (typ == 13) {
radius = 600;
style = circle_style;
add = false;
}
done = false;
if (img.length) {
icon = new OpenLayers.Icon('data/img/'+img);
marker = new OpenLayers.Marker(pos, icon);
markerLayer.addMarker(marker);
painted++;
done = true;
} else if (add) {
point = new OpenLayers.Geometry.Point(pos.lon, pos.lat);
circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
radius,
sides,
0 );
featurecircle = new OpenLayers.Feature.Vector(circle, null, style);
vectorLayer.addFeatures([featurecircle]);
painted++;
done = true;
}
if (done) {
radius = 600;
if ((typ == 2)||(typ == 3))
style = blue_style;
else
style = red_style;
point = new OpenLayers.Geometry.Point(pos.lon, pos.lat);
circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
radius,
sides,
0 );
featurecircle = new OpenLayers.Feature.Vector(circle, null, style);
vectorLayer.addFeatures([featurecircle]);
if ((typ == 2)||(typ == 3)) {
radius = 5000; // this should be according to the range maybe, and/or zoom
style = blue_style;
point = new OpenLayers.Geometry.Point(pos.lon, pos.lat);
circle = OpenLayers.Geometry.Polygon.createRegularPolygon(
point,
radius,
sides,
0 );
featurecircle = new OpenLayers.Feature.Vector(circle, null, style);
vectorLayer.addFeatures([featurecircle]);
//if (typ == 3) {
if (z >= 8) {
if (typ == 3)
paintVORRose( nlat, nlon );
else
paintNDBRose( nlat, nlon );
}
}
}
}
return painted;
}
function paintRunway(rwy) {
var rwy_style = {
strokeColor: '#600000',
strokeOpacity: 0.5,
strokeWidth: 4
};
var len_m, wid_m, hdg, surf, rwy1, lat1, lon1, rwy2, lat2, lon2;
var points, line, lineFeature;
len_m = rwy.len_m;
wid_m = rwy.wid_m;
hdg = rwy.hdg;
surf = rwy.surf;
rwy1 = rwy.rwy1;
lat1 = rwy.lat1;
lon1 = rwy.lon1;
rwy2 = rwy.rwy2;
lat2 = rwy.lat2;
lon2 = rwy.lon2;
points = new Array(
new OpenLayers.Geometry.Point(lon1,lat1).transform( fromProjection, toProjection ),
new OpenLayers.Geometry.Point(lon2,lat2).transform( fromProjection, toProjection )
);
line = new OpenLayers.Geometry.LineString(points);
lineFeature = new OpenLayers.Feature.Vector(line, null, rwy_style);
lineLayer.addFeatures([lineFeature]);
}
/**
* function paintAirports( airs, navs );
* @param (array) Airports found in bounding box
* @param (array) Navaids found in bounding box - NOT USED
* Add a display of an airport onto the map
* At this time the ICAO json file may not be loaded, else maybe
* add outlines of the runways, a nice circle and H for helipads
*
*/
function paintAirports( airs ) {
var max = airs.length;
var i, ind, air, cnt, alat, alon, icao, pos, point, circle, feat;
var data, rwysa, helia, rada, nava, name, j, maxj, rwy;
cnt = 0;
var z = curr_zoom;
for (i = 0; i < max; i++) {
ind = airs[i];
if (valInArray(ind,airPainted))
continue; // already painted
airPainted.push(ind);
air = FGx.airports[ind];
icao = air[0];
alat = parseFloat(air[2]);
alon = parseFloat(air[3]);
if (icao in jsonLoaded) {
data = jsonLoaded[icao];
// now have LOTS of information about the airport
name = data.name;
helia = data.helipads;
rada = data.radios;
nava = data.navaids;
// paint runways
rwysa = data.runways;