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GPX2GM.js
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GPX2GM.js
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// GPX2GM;
// Darstellung von GPS-Daten aus einer GPX-Datei in Google Maps
// Version 4.2
// 13. 12. 2009 J�rgen Berkemeier
// www.j-berkemeier.de
/**
* Repackaging by Dylan Kuhn 2010.01.28
*
* Encapsulates in the GPX2GM object as namespace
* Simple US translations of strings and units
* Behaviors to simplify embedding in any HTML page
*/
var GPX2GM = GPX2GM || (function() {
var language = normaliseLang(navigator.language /* Mozilla */ || navigator.userLanguage /* IE */),
viewer_index = 0,
units = ( language == 'en-US' ? 'us' : 'si' ),
dictionary = {
'en': {
'Strecke': 'Distance',
'Strecke in ': 'Distance in ',
'H<br />�<br />h<br />e<br /> <br />in<br /> <br />': 'E<br />l<br />v<br />.<br /> <br />in<br /> <br />',
'Stg.<br /> <br />in<br /> <br />%': 'Grd.<br /> <br />in<br /> <br />%',
'V<br /> <br />in<br /> <br />': 'Spd.<br /> <br />in<br /> <br />',
'Wegpunkt': 'Waypoint',
'Wegpunkte': 'Waypoints',
'Track': 'Track',
'Tracks': 'Tracks',
'Route': 'Route',
'Routen': 'Routes',
'H�he': 'Elev.',
'Geschw.': 'Speed',
'Stg.': 'Grade',
'Fehler': 'Error',
'Beim Oeffnen der Datei ': 'Could not open the GPX file ',
' ist der Fehler ': ' because the error ',
' aufgetreten!': ' was received!',
'Ihr Browser unterst�tzt nicht die ben�tigten Methoden!': 'Your browser doesn\'t support the methods needed by Google maps.'
}
},
unit_conversions = {
'us': {
'm': { factor: 3.2808, label: 'ft' },
'km': { factor: 0.62137, label: 'mi' },
'm/s': { factor: 2.23694, label: 'mi/h' }
}
};
/* Ensure language code is in the format aa-AA. */
function normaliseLang(lang) {
lang = lang.replace(/_/, '-').toLowerCase();
if (lang.length > 3) {
lang = lang.substring(0, 3) + lang.substring(3).toUpperCase();
}
return lang;
}
function _( text ) {
var lang = language.slice( 0, 2 ),
translation = text;
if ( typeof dictionary[lang] === 'object' && typeof dictionary[lang][text] === 'string' ) {
translation = dictionary[lang][text];
}
return translation;
}
function _u( unit, quantity, decimal_places, append_label ) {
var output, conversion = false;
if ( typeof unit_conversions[units] === 'object' && typeof unit_conversions[units][unit] === 'object' ) {
conversion = unit_conversions[units][unit];
}
if ( typeof quantity !== 'number' ) {
// Just a label is desired
if ( conversion ) {
return conversion.label;
} else {
return unit;
}
}
output = quantity;
// Convert if needed
if ( conversion ) {
output *= conversion.factor;
}
if (typeof decimal_places === 'number' ) {
output = parseFloat(output.toFixed(decimal_places));
}
if ( typeof append_label !== 'boolean' ) {
append_label = true;
}
if ( append_label ) {
if ( conversion ) {
output = output + conversion.label;
} else {
output = output + unit;
}
}
return output;
}
if(typeof(GPXVIEW_Debuginfo)=="undefined") var GPXVIEW_Debuginfo = false;
function makeMap(ID) {
var lmCntrl = (typeof(LargeMapControll)!="undefined") ? LargeMapControll : false;
var oMCntrl = (typeof(OverviewMapControl)!="undefined") ? OverviewMapControl : false;
var legende = (typeof(Legende)!="undefined") ? Legende : true;
var legende_trk = (typeof(Legende_trk)!="undefined") ? Legende_trk : true;
var legende_rte = (typeof(Legende_rte)!="undefined") ? Legende_rte : true;
var legende_wpt = (typeof(Legende_wpt)!="undefined") ? Legende_wpt : true;
var t_verbinden = (typeof(Tracks_verbinden)!="undefined") ? Tracks_verbinden : false;
var rdSpeed = (typeof(readSpeed)!="undefined") ? readSpeed : true;
var tOver = (typeof(TrackOver)!="undefined") ? TrackOver : true;
var trcmt = (typeof(shTRcmt)!="undefined") ? shTRcmt : false;
var udspcol = (typeof(DisplayColor)!="undefined") ? DisplayColor : false;
var twidth = 2.0;
var rwidth = 2.0;
var widtho = 3.0;
var topac = 0.8;
var ropac = 0.8;
var TrackCols = new Array("#ff0000","#00ff00","#0000ff","#aaaa00","#ff00ff","#00ffff","#000000");
var rcols = new Array("#800000","#008000","#000080","#808000","#800080","#008080","#808080");
var colo = "#000000";
var icons = {
scenic: { image:"scenic.png",iconSize:[21.0,31.0],
shadow:"shadow.png",shadowSize:[52.0,29.0],
iconAnchor:[5.0,30.0],infoWindowAnchor:[10.0,5.0] },
marker: { image:"marker.gif",iconSize:[11.0,11.0],iconAnchor:[5.0,5.0] }
}
var makeIcon = function(SymName) {
var icon = new GIcon();
if(icons[SymName]) {
if(icons[SymName].image) icon.image = GPX2GM_Path + icons[SymName].image;
if(icons[SymName].iconSize) icon.iconSize = new GSize(icons[SymName].iconSize[0],icons[SymName].iconSize[1]);
if(icons[SymName].shadow) icon.shadow = GPX2GM_Path + icons[SymName].shadow;
if(icons[SymName].shadowSize) icon.shadowSize = new GSize(icons[SymName].shadowSize[0],icons[SymName].shadowSize[1]);
if(icons[SymName].iconAnchor) icon.iconAnchor = new GPoint(icons[SymName].iconAnchor[0],icons[SymName].iconAnchor[1]);
if(icons[SymName].infoWindowAnchor)
icon.infoWindowAnchor = new GPoint(icons[SymName].infoWindowAnchor[0],icons[SymName].infoWindowAnchor[1]);
}
return icon;
} // makeIcon
JB_GM_Info(ID,"makeMap",false);
var polylineEncoder = new PolylineEncoder();
var dieses = this;
var id = ID;
var id_hp = ID+"_hp";
var id_sp = ID+"_sp";
var id_vp = ID+"_vp";
var load = false
var latmin=1000,latmax=-1000,lonmin=1000,lonmax=-1000;
var zoom = 1;
var osm_mapnik_map,osm_tah_map,osm_cycle_map;
var fname,maptype;
var tracks,waypoints,routes,tracklens,routlens,alledaten;
var routeNames,trackNames,routeCMTs,trackCMTs;
var tcols = new Array();
var GPX2GM_Path="";
var scr = document.getElementsByTagName("script");
var hp_xtext = _('Strecke in ') + _u( 'km' );
var vp_xtext = _('Strecke in ') + _u( 'km' );
var sp_xtext = _('Strecke in ') + _u( 'km' );
var hp_ytext = _("H<br />�<br />h<br />e<br /> <br />in<br /> <br />") + _u('m');
var sp_ytext = _("Stg.<br /> <br />in<br /> <br />%");
var vp_ytext = _("V<br /> <br />in<br /> <br />") + _u('m/s');
for(var i=0;i<scr.length;i++) if(scr[i].src && scr[i].src.length) {
var path = scr[i].src;
var pos = path.search(/GPX2GM(\.min)?.js/);
if(pos!=-1) {
GPX2GM_Path = path.substring(0,pos);
break;
}
}
var scenicicon = makeIcon("scenic") ;
var markericon = makeIcon("marker") ;
var movemarker;
var markerinfo = document.createElement("div");
markerinfo.style.position = "absolute";
markerinfo.style.visibility = "hidden";
markerinfo.style.border = "1px solid black";
markerinfo.style.backgroundColor = "white";
var div = document.getElementById(id);
var w = div.offsetWidth;
var h = div.offsetHeight;
var MapHead = document.createElement("div");
MapHead.id = "map_head"+id;
MapHead.style.margin = 0;
MapHead.style.padding = 0;
// MapHead.style.fontSize = "0.8em";
// MapHead.style.lineHeight = "1.5em";
MapHead.appendChild(document.createTextNode(": "));
var mapdiv = document.createElement("div");
mapdiv.id = "map_"+id;
mapdiv.style.width = w+"px";
while(div.hasChildNodes()) div.removeChild(div.firstChild);
if(!legende) MapHead.style.display="none";
div.appendChild(MapHead);
div.appendChild(mapdiv);
if (legende) mapdiv.style.height = h-mapdiv.offsetTop+MapHead.offsetTop+"px";
else mapdiv.style.height = h+"px";
var map = new GMap2(document.getElementById("map_"+id));
if(lmCntrl) map.addControl(new GLargeMapControl());
else map.addControl(new GSmallMapControl());
if(oMCntrl) map.addControl(new GOverviewMapControl());
map.addMapType(G_PHYSICAL_MAP);
var copyrightCollection = new GCopyrightCollection('© 2009 <a href="http://www.openstreetmap.org/">OpenStreetMap</a>');
copyrightCollection.addCopyright(new GCopyright(1,new GLatLngBounds(new GLatLng(-90,-180),new GLatLng(90,180)),0,'(<a rel="license" href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>)'));
var tilelayers_mapnik = new Array();
tilelayers_mapnik[0] = new GTileLayer(copyrightCollection, 0, 18);
tilelayers_mapnik[0].getTileUrl = function(a, z) { return "http://tile.openstreetmap.org/" + z + "/" + a.x + "/" + a.y + ".png"; };
tilelayers_mapnik[0].isPng = function() { return true; };
tilelayers_mapnik[0].getOpacity = function() { return 1.0; };
osm_mapnik_map = new GMapType(tilelayers_mapnik,new GMercatorProjection(19), "OSM Mapnik",{ urlArg: 'mapnik', linkColor: '#000000' });
map.addMapType(osm_mapnik_map);
var tilelayers_tah = new Array();
tilelayers_tah[0] = new GTileLayer(copyrightCollection, 0, 17);
tilelayers_tah[0].getTileUrl = function(a, z) { return "http://tah.openstreetmap.org/Tiles/tile/" + z + "/" + a.x + "/" + a.y + ".png"; };
tilelayers_tah[0].isPng = function() { return true; };
tilelayers_tah[0].getOpacity = function() { return 1.0; };
osm_tah_map = new GMapType(tilelayers_tah,new GMercatorProjection(19), "OSM T&H",{ urlArg: 'tah', linkColor: '#000000' });
map.addMapType(osm_tah_map);
copyrightCollection = new GCopyrightCollection('© 2009 <a href="http://www.opencyclemap.org/">OpenCycleMap</a> <a href="http://www.openstreetmap.org/">OpenStreetMap</a>');
copyrightCollection.addCopyright(new GCopyright(1,new GLatLngBounds(new GLatLng(-90,-180),new GLatLng(90,180)),0,'(<a rel="license" href="http://creativecommons.org/licenses/by-sa/2.0/">CC-BY-SA</a>)'));
var tilelayers_cycle = new Array();
tilelayers_cycle[0] = new GTileLayer(copyrightCollection, 0, 17);
tilelayers_cycle[0].getTileUrl = function(a, z) { return "http://andy.sandbox.cloudmade.com/tiles/cycle/" + z + "/" + a.x + "/" + a.y + ".png"; };
tilelayers_cycle[0].isPng = function() { return true; };
tilelayers_cycle[0].getOpacity = function() { return 1.0; };
osm_cycle_map = new GMapType(tilelayers_cycle,new GMercatorProjection(19), "OSM Cycle",{ urlArg: 'cycle', linkColor: '#000000' });
map.addMapType(osm_cycle_map);
map.addControl(new GMenuMapTypeControl());
// map.addControl(new GMapTypeControl());
// map.addControl(new GHierarchicalMapTypeControl());
// map.addMapType(G_SATELLITE_3D_MAP); // ben�tigt Plugin
map.addControl(new GScaleControl());
map.enableScrollWheelZoom();
map.getPane(G_MAP_FLOAT_PANE).appendChild(markerinfo);
GEvent.addListener(map,"infowindowopen",function() { map.savePosition(); } );
GEvent.addListener(map,"infowindowclose",function() { map.returnToSavedPosition(); } );
var hp = document.getElementById(id_hp);
var hp_diag;
if(hp) {
hp_diag = new plot(id_hp,"x","h");
if (hp.className && hp.className.search("no_x")!=-1) hp_xtext="";
JB_GM_Info(id,"H�henprofil, ID: "+id_hp,false);
}
var sp = document.getElementById(id_sp);
var sp_diag;
if(sp) {
sp_diag = new plot(id_sp,"x","s");
if (sp.className && sp.className.search("no_x")!=-1) sp_xtext="";
JB_GM_Info(id,"Steigungsplot, ID: "+id_sp,false);
}
var vp = document.getElementById(id_vp);
var vp_diag;
if(vp) {
vp_diag = new plot(id_vp,"x","v");
if (vp.className && vp.className.search("no_x")!=-1) vp_xtext="";
JB_GM_Info(id,"Geschwindigkeitsprofil, ID: "+id_vp,false);
}
this.Spur = function(fn,mpt) {
JB_GM_Info(id,"Spur, Filename: "+fn,false);
if(mpt=="osm_mapnik_map") maptype = osm_mapnik_map;
else if(mpt=="osm_tah_map") maptype = osm_tah_map;
else if(mpt=="osm_cycle_map") maptype = osm_cycle_map;
else maptype = mpt;
if (fname!=fn) {
fname = fn;
JB_GM_Info(id,"Lade Datei "+fname,false);
GDownloadUrl(fname, function(data, responseCode) {
if (responseCode != 200) {
JB_GM_Info(id,_("Beim Oeffnen der Datei ")+fname+_(" ist der Fehler ")+responseCode+_(" aufgetreten!"),true);
return;
}
dieses.parseGPX(data) ;
dieses.setMapHead();
zoom = map.getBoundsZoomLevel(new GLatLngBounds(new GLatLng(latmin,lonmin),new GLatLng(latmax,lonmax))); // sw, ne
dieses.rescale();
map.setMapType(maptype);
dieses.checkBoxes()
} );
}
else {
dieses.checkBoxes()
}
} // Spur
var chkwpt,chktrk,chkrt;
this.setMapHead = function() {
JB_GM_Info(id,"setMapHead",false);
var name = fname.replace(/.+\//,"");
MapHead.innerHTML = name+": ";
if(waypoints.length) {
if(waypoints.length==1) var texte=new Array(_("Wegpunkt")+String.fromCharCode(160));
else if(waypoints.length>1) var texte=new Array(_("Wegpunkte")+String.fromCharCode(160));
chkwpt = new JB_CheckBoxGroup(MapHead.id,texte,ID+"_wpt",["black"],legende_wpt,dieses.checkBoxes);
}
if(tracks.length) {
var texte=new Array()
if(tracks.length==1)
texte[0] = _("Track") + " ("+ _u('km', tracklens[0], 10, true) +") "+String.fromCharCode(160);
else if(tracks.length>1) {
texte[0] = _("Tracks") + " ("+ _u('km', tracklens.sum(), 10, true)+") "+String.fromCharCode(160);
for(var i=0;i<tracks.length;i++) texte[i+1] = trackNames[i]+" ("+_u('km', tracklens[i], 10, true)+")";
}
chktrk = new JB_CheckBoxGroup(MapHead.id,texte,ID+"_trk",tcols,legende_trk,dieses.checkBoxes);
}
if(routes.length) {
var texte=new Array()
if(routes.length==1)
texte[0] = _("Route") + " ("+ _u('km', routlens[0], 10, true)+") "+String.fromCharCode(160);
else if(routes.length>1) {
texte[0] = _("Routen") + " ("+ _u('km', routlens.sum(), 10, true)+") "+String.fromCharCode(160);
for(var i=0;i<routes.length;i++) texte[i+1] = routeNames[i]+" ("+ _u('km', routlens[i], 10, true)+")";
}
chkrt = new JB_CheckBoxGroup(MapHead.id,texte,ID+"_rt",rcols,legende_rte,dieses.checkBoxes);
}
} // setMapHead
this.checkBoxes = function(obj,ele) {
var what="";
if(chkwpt && chkwpt.status[0]) what += "w";
if(chktrk && chktrk.status[0]) what += "t";
if(chkrt && chkrt.status[0] ) what += "r";
dieses.show(what);
}
this.parseGPX = function(data) {
JB_GM_Info(id,"parseGPX",false);
var entf = new this.Entfernung();
tracks = new Array();
alledaten = new Array();
trackNames = new Array();
trackCMTs = new Array();
tracklens = new Array() ;
load = false;
latmin=1000;latmax=-1000;lonmin=1000;lonmax=-1000;
var xml = GXml.parse(data);
var trk = xml.documentElement.getElementsByTagName("trk"); // Tracks
JB_GM_Info(id,trk.length +"Tracks gefunden",false);
for(var k=0;k<trk.length;k++) {
var trkseg = trk[k].getElementsByTagName("trkseg"); // Trackssegmente
if(trkseg.length==0) trkseg = [trk[k]];
var name = trk[k].getElementsByTagName("name");
if(name.length && name[0].firstChild && name[0].firstChild.length && name[0].parentNode == trk[k])
trackNames[k] = name[0].firstChild.data;
else
trackNames[k] = _("Track") + " "+k;
var cmt = trk[k].getElementsByTagName("cmt");
if(trcmt && cmt.length && cmt[0].firstChild && cmt[0].firstChild.length && cmt[0].parentNode == trk[k])
trackCMTs[k] = cmt[0].firstChild.data;
else
trackCMTs[k] = "";
tcols[k] = TrackCols[k%TrackCols.length];
if(udspcol) {
var ext = trk[k].getElementsByTagName("extensions");
if(ext.length) {
var dspcol = JB_GetElementsByTagNameNS(ext[0],"gpxx","DisplayColor");
if(dspcol.length && dspcol[0].firstChild && dspcol[0].firstChild.length) tcols[k] = dspcol[0].firstChild.data;
}
}
JB_GM_Info(id,trkseg.length+"Tracksegmente in Track "+k+" gefunden",false);
for(var j=0;j<trkseg.length;j++) {
var trkpts = trkseg[j].getElementsByTagName("trkpt"); // Trackpunkte
var trkptslen = trkpts.length;
var track = new Array();
var daten = new Array();
var x0 = 0;
if(t_verbinden && k>0) x0 = tracklens.sum() ;
var tracklen = 0;
var hflag=hp||sp,tflag=vp,vflag=vp,h,t,v;
JB_GM_Info(id,trkptslen+" Trackpunkte in Tracksegment "+j+" in Track "+k+" gefunden",false);
for(var i=0;i<trkptslen;i++) { // Trackdaten erfassen
var lat = parseFloat(trkpts[i].getAttribute("lat"));
var lon = parseFloat(trkpts[i].getAttribute("lon"));
track.push(new GLatLng(lat,lon));
if(lat<latmin) latmin=lat; if(lat>latmax) latmax=lat;
if(lon<lonmin) lonmin=lon; if(lon>lonmax) lonmax=lon;
if(hflag && trkpts[i].getElementsByTagName("ele").length && trkpts[i].getElementsByTagName("ele")[0].hasChildNodes())
h = parseFloat(trkpts[i].getElementsByTagName("ele")[0].firstChild.data);
else {
hflag = false;
h = -1e6;
}
if(tflag && trkpts[i].getElementsByTagName("time").length && trkpts[i].getElementsByTagName("time")[0].hasChildNodes())
t = JB_utc2msec(trkpts[i].getElementsByTagName("time")[0].firstChild.data);
else {
tflag = false;
t = -1;
}
if(vflag && rdSpeed && trkpts[i].getElementsByTagName("speed").length && trkpts[i].getElementsByTagName("speed")[0].hasChildNodes())
v = parseFloat(trkpts[i].getElementsByTagName("speed")[0].firstChild.data);
else {
v = -1;
vflag = false;
}
if(i==0) entf.init(lat,lon) ;
var dx = entf.rechne(lat,lon);
tracklen += dx;
daten.push({lat:lat,lon:lon,x:tracklen+x0,t:t,h:h,dx:dx,v:v});
}
if(hflag) {
daten = JB_smoth(daten,"x","h","hs",trkptslen/50);
daten = JB_diff(daten,"x","hs","s",0.1);
daten = JB_smoth(daten,"x","s","s",trkptslen/50);
}
else {
hp = false;
sp = false;
}
if(tflag && !vflag) {
daten = JB_smoth(daten,"t","x","xs",trkptslen/200);
daten = JB_diff(daten,"t","xs","v",3600000);
daten = JB_smoth(daten,"x","v","v",trkptslen/200);
}
else if(!tflag && !vflag) {
vp = false;
}
}
if(hflag) JB_GM_Info(id,"H�hendaten gefunden",false); else JB_GM_Info(id,"Keine H�hendaten gefunden",false);
if(tflag) JB_GM_Info(id,"Zeitdaten gefunden",false); else JB_GM_Info(id,"Keine Zeitdaten gefunden",false);
if(vflag) JB_GM_Info(id,"Geschwindigkeitsdaten gefunden",false); else JB_GM_Info(id,"Keine Geschwindigkeitsdate gefunden",false);
alledaten.push(daten);
tracks.push(track);
tracklens.push(Math.round(tracklen*10)/10);
}
var rte = xml.documentElement.getElementsByTagName("rte"); // Routen
JB_GM_Info(id,rte.length +" Routen gefunden",false);
routes = new Array();
routeNames = new Array();
routeCMTs = new Array();
routlens = new Array();
for(var j=0;j<rte.length;j++) {
var rtepts = rte[j].getElementsByTagName("rtept");
JB_GM_Info(id,rtepts.length +" Zwischenziele gefunden",false);
var route = new Array();
var routlen = 0;
var name = rte[j].getElementsByTagName("name");
if(name.length && name[0].firstChild && name[0].firstChild.length && name[0].parentNode == rte[j])
routeNames[j] = name[0].firstChild.data;
else
routeNames[j] = _("Route") + " "+j;
var cmt = rte[j].getElementsByTagName("cmt");
if(trcmt && cmt.length && cmt[0].firstChild && cmt[0].firstChild.length && cmt[0].parentNode == rte[j])
routeCMTs[j] = cmt[0].firstChild.data;
else
routeCMTs[j] = "";
for(var i=0;i<rtepts.length;i++) { // Zwischenziele
var lat = parseFloat(rtepts[i].getAttribute("lat"));
var lon = parseFloat(rtepts[i].getAttribute("lon"));
if(i==0) entf.init(lat,lon) ;
routlen += entf.rechne(lat,lon);
if(lat<latmin) latmin=lat; if(lat>latmax) latmax=lat;
if(lon<lonmin) lonmin=lon; if(lon>lonmax) lonmax=lon;
route.push(new GLatLng(lat,lon));
var ext = rtepts[i].getElementsByTagName("extensions");
if(ext.length) {
var rpts = JB_GetElementsByTagNameNS(ext[0],"gpxx","rpt"); // Routenpunkte
JB_GM_Info(id,rpts.length +" Routenpunkte (Garmin) gefunden",false);
for(var k=0;k<rpts.length;k++) {
var lat = parseFloat(rpts[k].getAttribute("lat"));
var lon = parseFloat(rpts[k].getAttribute("lon"));
routlen += entf.rechne(lat,lon);
if(lat<latmin) latmin=lat; else if(lat>latmax) latmax=lat;
if(lon<lonmin) lonmin=lon; else if(lon>lonmax) lonmax=lon;
route.push(new GLatLng(lat,lon));
}
}
}
routes.push(route);
routlens.push(Math.round(routlen*10)/10);
}
var wpts = xml.documentElement.getElementsByTagName("wpt"); // Waypoints
JB_GM_Info(id,wpts.length +" Wegpunkte gefunden",false);
waypoints = new Array();
for(var i=0;i<wpts.length;i++) { // Wegpunktdaten
var wpt = wpts[i];
var lat = parseFloat(wpt.getAttribute("lat"));
var lon = parseFloat(wpt.getAttribute("lon"));
if(lat<latmin) latmin=lat; if(lat>latmax) latmax=lat;
if(lon<lonmin) lonmin=lon; if(lon>lonmax) lonmax=lon;
var waypoint = new Object();
waypoint.lat = lat;
waypoint.lon = lon;
waypoint.name = "";
waypoint.cmt = "";
waypoint.desc = "";
var name = wpt.getElementsByTagName("name");
var cmt = wpt.getElementsByTagName("cmt");
var desc = wpt.getElementsByTagName("desc");
if(name.length && name[0].firstChild && name[0].firstChild.length)
waypoint.name = name[0].firstChild.data;
if(cmt.length && cmt[0].firstChild && cmt[0].firstChild.length)
waypoint.cmt = cmt[0].firstChild.data;
if(desc.length && desc[0].firstChild && desc[0].firstChild.length)
waypoint.desc = desc[0].firstChild.data;
waypoints.push(waypoint);
}
load = true;
} // parseGPX
this.showWpts = function() {
if (load) {
for(var i=0;i<waypoints.length;i++) {
var waypoint = waypoints[i];
if(checkImageName(waypoint.name)) {
map.addOverlay(createImgMarker(waypoint));
}
else if (waypoint.name.length || waypoint.cmt.length)
map.addOverlay(createTxtMarker(waypoint));
else
map.addOverlay(new GMarker(new GLatLng(waypoint.lat,waypoint.lon)));
}
}
} // showWpts
this.showTracks = function() {
if (load) {
if(alledaten.length>1) {
for(var i=0;i<alledaten.length;i++) {
var daten = alledaten[i];
if(daten.length && chktrk.status[i+1]) {
if(hp) hp_diag.scale(daten);
if(sp) sp_diag.scale(daten);
if(vp) vp_diag.scale(daten);
}
}
}
else if(alledaten.length==1) {
var daten = alledaten[0];
if(daten.length) {
if(hp) hp_diag.scale(daten);
if(sp) sp_diag.scale(daten);
if(vp) vp_diag.scale(daten);
}
}
if(hp) hp_diag.frame(50,35,hp_xtext,hp_ytext, 'km', 'm');
if(sp) sp_diag.frame(50,35,sp_xtext,sp_ytext, 'km', '%');
if(vp) vp_diag.frame(50,35,vp_xtext,vp_ytext, 'km', 'm/s');
if(tracks.length>1) {
for(var i=0;i<tracks.length;i++) if(chktrk.status[i+1]) {
var info = "<strong>"+trackNames[i]+" ("+ _u('km', tracklens[i], 10, true) +")</strong>"
+ "<br />"+trackCMTs[i];
this.makePolyline(map,tracks[i],tcols[i%tcols.length],twidth,topac,widtho,colo,info);
if(alledaten[i].length) {
if(hp) hp_diag.plot(alledaten[i],tcols[i%tcols.length]);
if(sp) sp_diag.plot(alledaten[i],tcols[i%tcols.length]);
if(vp) vp_diag.plot(alledaten[i],tcols[i%tcols.length]);
}
}
if(t_verbinden) {
var d_t = new Array();
for(var i=0;i<alledaten.length;i++) if(chktrk.status[i+1]) d_t = d_t.concat(alledaten[i]);
if(d_t.length) {
if(hp) hp_diag.markeron(d_t,dieses.markerstart,dieses.markerstop,dieses.markermove,"Linie") ;
if(sp) sp_diag.markeron(d_t,dieses.markerstart,dieses.markerstop,dieses.markermove,"Linie") ;
if(vp) vp_diag.markeron(d_t,dieses.markerstart,dieses.markerstop,dieses.markermove,"Linie") ;
}
}
}
else if(tracks.length==1) {
if(chktrk.status[0]) {
var info = "<strong>"+trackNames[0]+" ("+ _u( 'km', tracklens[0], 10, true) +")</strong>"
+ "<br />"+trackCMTs[0];
this.makePolyline(map,tracks[0],tcols[0],twidth,topac,widtho,colo,info);
if(alledaten[0].length) {
if(hp) {
hp_diag.plot(alledaten[0],tcols[0]);
hp_diag.markeron(alledaten[0],dieses.markerstart,dieses.markerstop,dieses.markermove,"Linie") ;
}
if(sp) {
sp_diag.plot(alledaten[0],tcols[0]);
sp_diag.markeron(alledaten[0],dieses.markerstart,dieses.markerstop,dieses.markermove,"Linie") ;
}
if(vp) {
vp_diag.plot(alledaten[0],tcols[0]);
vp_diag.markeron(alledaten[0],dieses.markerstart,dieses.markerstop,dieses.markermove,"Linie") ;
}
}
}
}
}
} // showTracks
this.showRoutes = function() {
if (load) {
if(routes.length>1) {
for(var i=0;i<routes.length;i++) if(chkrt.status[i+1]) {
var info = "<strong>"+routeNames[i]+" ("+_u('km', routlens[i], 10, true)+")</strong>"
+ "<br />"+routeCMTs[i];
this.makePolyline(map,routes[i],rcols[i%tcols.length],rwidth,ropac,widtho,colo,info);//routeNames[i]+"<br />"+Number(routlens[i].toPrecision(10).toString(10))+"km";
}
}
else if(routes.length==1) {
if(chkrt.status[0])
this.makePolyline(map,routes[0],rcols[0],rwidth,ropac,widtho,colo,routeNames[0]+"<br />"+_u('km', routlens[0], 10 , true));
}
}
} // showRoutes
this.show = function(what) {
map.clearOverlays() ;
if(hp) hp_diag.clear();
if(sp) sp_diag.clear();
if(vp) vp_diag.clear();
if (what.search("w") != -1 ) dieses.showWpts();
if (what.search("t") != -1 ) dieses.showTracks();
if (what.search("r") != -1 ) dieses.showRoutes();
} // show
this.rescale = function() {
if(load) {
map.setCenter(new GLatLng((latmax+latmin)/2,(lonmax+lonmin)/2), zoom);
}
} // rescale
this.Entfernung = function() {
var ls,bs;
this.init = function(b,l) {
ls = l;
bs = b;
}
this.rechne = function(b,l) {
var e = new GLatLng(bs,ls).distanceFrom(new GLatLng(b,l));
ls = l;
bs = b;
return e/1000;
}
} // Entfernung
this.showtrackmarker = function() {
JB_GM_Info(id,"showtrackmarker",false);
movemarker = new GMarker(tracks[0][0],markericon);
map.addOverlay(movemarker);
markerinfo.style.visibility = "visible";
} // showtrackmarker
this.hidetrackmarker = function() {
map.removeOverlay(movemarker);
markerinfo.style.visibility = "hidden";
} // hidetrackmarker
this.settrackmarker = function(a) {
map.removeOverlay(movemarker);
movemarker = new GMarker(new GLatLng(a.lat,a.lon),markericon);
map.addOverlay(movemarker);
var point=map.getCurrentMapType().getProjection().fromLatLngToPixel(map.fromDivPixelToLatLng(new GPoint(0,0),true),map.getZoom());
var offset=map.getCurrentMapType().getProjection().fromLatLngToPixel(movemarker.getPoint(),map.getZoom());
var anchor=movemarker.getIcon().iconAnchor;
var width=movemarker.getIcon().iconSize.width;
var height=markerinfo.clientHeight;
var pos = new GControlPosition(G_ANCHOR_TOP_LEFT, new GSize(offset.x - point.x - anchor.x + width, offset.y - point.y -anchor.y -height));
pos.apply(markerinfo);
} // movetrackmarker
this.markerstart = function() {
JB_GM_Info(id,"markerstart",false);
dieses.showtrackmarker();
if(hp) hp_diag.showmarker("Linie");
if(vp) vp_diag.showmarker("Linie");
if(sp) sp_diag.showmarker("Linie");
} // markerstart
this.markerstop = function() {
dieses.hidetrackmarker();
JB_GM_Info(id,"markerstop",false);
if(hp) hp_diag.hidemarker();
if(vp) vp_diag.hidemarker();
if(sp) sp_diag.hidemarker();
} // markerstop
this.markermove = function(p,a) {
var info = _('Strecke')+': '+_u('km', a.x, 1, true);
if(hp) {
info += "<br />" + _('H�he') + ": "+_u('m', Math.round(a.h), 0, true);
hp_diag.setmarker(a,"Linie");
}
if(vp) {
info += "<br />" + _('Geschw.') + ": "+_u('m/s', Math.round(a.v), 0, true);
vp_diag.setmarker(a,"Linie");
}
if(sp) {
info += "<br />" + _('Stg.') + ": "+Math.round(a.s)+"%";
sp_diag.setmarker(a,"Linie");
}
markerinfo.innerHTML = info;
dieses.settrackmarker(a);
} // markermove
var createImgMarker = function(waypoint) {
var marker = new GMarker(new GLatLng(waypoint.lat,waypoint.lon),scenicicon);
GEvent.addListener(marker, "click", function() {
var bild = new Image();
bild.onload = function() {
marker.openInfoWindowHtml("<img src='"+waypoint.name+"'\/><br\/>"+waypoint.cmt);
};
bild.src = waypoint.name;
});
return marker;
} // createImgMarker
var createTxtMarker = function(waypoint) {
var marker = new GMarker(new GLatLng(waypoint.lat,waypoint.lon),{title:waypoint.name});
GEvent.addListener(marker, "click", function() {
marker.openInfoWindowHtml("<strong>"+waypoint.name+"<\/strong><br\/>"+waypoint.cmt);
});
return marker;
} // createTxtMarker
var checkImageName = function(url) {
var ext = url.substr(url.lastIndexOf(".")+1).toLowerCase();
return (ext=="jpg" || ext=="jpeg" || ext=="png" || ext=="gif") ;
} // checkImageName
this.makePolyline = function(map,line,col,width,opac,widtho,colo,info) {
// var PL = new GPolyline(line,col,width,opac);
var PL = polylineEncoder.dpEncodeToGPolyline(line,col,width,opac);
if(tOver) {
GEvent.addListener(PL,"mouseover",function(latlng) {
JB_GM_Info("","Line over, "+this.getVertexCount()+" Punkte",false);
this.setStrokeStyle({color:colo,weight:widtho});
});
GEvent.addListener(PL,"mouseout", function() {
JB_GM_Info("","Line out",false);
this.setStrokeStyle({color:col,weight:width});
});
GEvent.addListener(PL,"click", function(overlay,latlng) {
JB_GM_Info("","Line click "+overlay+" "+latlng,false);
map.openInfoWindow(overlay,info);
});
}
map.addOverlay(PL);
} // makePolyline
} // makeMap
function JB_GM_Info(id,Infotext,alertflag) {
if(GPXVIEW_Debuginfo) GLog.write("Map "+id+": "+Infotext);
if(alertflag) alert(Infotext);
} // GM_Info
function JB_GetElementsByTagNameNS(ele,namespace,name) {
var alltags = ele.getElementsByTagName("*");
var tagname = namespace.toLowerCase()+":"+name.toLowerCase()
var tags = new Array();
for(var i=0;i<alltags.length;i++) if(alltags[i].nodeName.toLowerCase()==tagname) tags.push(alltags[i]);
return tags;
} // JB_GetElementsByTagNameNS(ele,namespace,name)
function JB_CheckBoxGroup(id,Texte,Label,Farbe,def_stat,clickFunc) {
var dieses = this;
var nbx = Texte.length;
this.nboxen = nbx;
this.status = new Array(nbx); for(var i=0;i<nbx;i++) this.status[i] = def_stat ;
var ele;
var box=document.createElement("div");
box.style.position = "absolute";
box.style.display = "inline";
box.style.height = "1.4em";
box.style.overflow = "hidden";
box.style.backgroundColor = "";
box.style.zIndex = 1000;
box.style.margin = "0";
box.style.padding = "0";
box.onmouseover = function() {
this.style.height = "";
this.style.overflow = "";
this.style.backgroundColor = "white";
this.style.paddingRight = "0.3em";
this.style.paddingBottom = "0.2em";
};
box.onmouseout = function() {
this.style.height = "1.4em";
this.style.overflow = "hidden";
this.style.backgroundColor = "";
this.style.paddingRight = "";
this.style.paddingBottom = "";
};
for(var i=0;i<nbx;i++) {
ele = document.createElement("input");
ele.type = "checkbox";
ele.id = Label + i;
ele.nr = i;
if(i==0) ele.onclick = function() {
var l = nbx;
var n = Label;
var status = this.checked;
dieses.status[this.nr] = status;
for(var j=1;j<l;j++) {
document.getElementById(n+j).checked=status;
dieses.status[j] = status;
}
clickFunc(dieses,this);
};
else ele.onclick = function() {
var l = nbx;
var n = Label;
var status = false;
for(var j=1;j<l;j++) status |= document.getElementById(n+j).checked;
document.getElementById(n+"0").checked = status;
dieses.status[0] = status==true;
dieses.status[this.nr] = this.checked;
clickFunc(dieses,this);
};
box.appendChild(ele);
ele.checked = def_stat;
ele=document.createElement("span");
if(i==0 && nbx==1) ele.style.color=Farbe[0];
else if(i) ele.style.color=Farbe[(i-1)%Farbe.length];
ele.appendChild(document.createTextNode(Texte[i]));
box.appendChild(ele);
if(i<Texte.length-1) box.appendChild(document.createElement("br"));
}
ele=document.getElementById(id);
ele.appendChild(box);
var spn=document.createElement("span"); // Platzhalter
spn.appendChild(document.createTextNode(" X "+Texte[0]+" "));
spn.style.visibility="hidden";
ele.appendChild(spn);
} // JB_CheckBoxGroup
function addEvent (obj, type, fn) {
if (obj.addEventListener) {
obj.addEventListener(type, fn, false);
} else if (obj.attachEvent) {
obj.attachEvent('on' + type, function () {
return fn.call(obj, window.event);
});
}
} // addEvent
function JB_utc2msec(utcdate) {
var jahr = utcdate.substr(0,4);
var monat = utcdate.substr(5,2)*1-1;
var tag = utcdate.substr(8,2);
var stunde = utcdate.substr(11,2);
var minute = utcdate.substr(14,2);
var sekunde = utcdate.substr(17,2);
return Date.UTC(jahr,monat,tag,stunde,minute,sekunde);
} // utc2msec
function JB_smoth(a,x,y,ys,range) {
var l=a.length,l1=l-1;
var t = new Array(l); for(var i=0;i<l;i++) { t[i] = {}; t[i][ys]=a[i][y]; for(var o in a[i]) t[i][o] = a[i][o]; }
if(l<2*range) return t;
var rr,fak,faksum,sum,d;
var r = Math.floor(range/2);
for(var i=0;i<l;i++) {
if(i<r) rr=i;
else if(i>(l1-r)) rr=l1-i;
else rr=r;
if(rr>0) {
sum = faksum = 0;
d = Math.max(Math.abs(a[i][x]-a[i-rr][x]),Math.abs(a[i][x]-a[i+rr][x]));
if(d==0) d=1;
for(var j=i-rr;j<=i+rr;j++) {
fak = (d-Math.abs(a[j][x]-a[i][x]))*rr/d;
// fak = 1+rr-Math.abs(j-i);
sum += a[j][y]*fak;
faksum += fak;
}
t[i][ys] = sum/faksum;
}
}
return t;
} // smoth
function JB_diff(a,x,y,d,fak) {
var l=a.length,l1=l-1;
if(l<3) { for(var i=0;i<l;i++) a[i][d] = 0; return a; }
var dx,dy;
dx = a[1][x]-a[0][x] ;
dy = a[1][y]-a[0][y] ;
if(dx==0) a[0][d] = 0;
else a[0][d] = fak*dy/dx
for(var i=1;i<l1;i++) {
dx = a[i+1][x]-a[i-1][x] ;
dy = a[i+1][y]-a[i-1][y] ;
if(dx==0) a[i][d] = a[i-1][d];
else a[i][d] = fak*dy/dx
}
dx = a[l1-1][x]-a[l1][x] ;
dy = a[l1-1][y]-a[l1][y] ;
if(dx==0) a[l1][d] = a[l1-1][d];
else a[l1][d] = fak*dy/dx
return a;
} // diff
Array.prototype.sum=function() {
for(var s=0,i=0;i<this.length;i++)s+=this[i];
return s;
} // sum
// gra
// Version vom 28.5.09
// J�rgen Berkemeier
// www.j-berkemeier.de
function gra(ID) {
var feld=document.getElementById(ID);
var dv=document.createElement("div");
var cont=feld.appendChild(dv);
var buf=document.createElement("div");
this.w=parseInt(feld.offsetWidth-1);
this.h=parseInt(feld.offsetHeight-1);
var maxbuf=1;
var bufsize=1;
var sp = document.createElement("div");
var col="#000000";
sp.style.position="absolute";
sp.style.width="1px";
sp.style.height="1px";
sp.style.overflow="hidden";
sp.style.left="0px";
sp.style.top="0px";
sp.style.backgroundColor=col;
this.setbuf=function(siz) {
bufsize=maxbuf=Math.max(1,siz);
}
this.flush=function() {
cont.appendChild(buf);
buf=document.createElement("div");
bufsize=maxbuf;
}
this.punkt=function(x,y,c) {
if (x<0 || y<0 || x>this.w || y>this.h) return;
if(c!=col) {col=c;sp.style.backgroundColor=col;}
var pkt = sp.cloneNode(true);
pkt.style.left=Math.round(x)+"px";
pkt.style.top=Math.round(this.h-y)+"px";
buf.appendChild(pkt);
bufsize--; if(!bufsize) this.flush();
} // punkt
this.ver_linie=function(x,y1,y2,c) {
if (x<0 || x>this.w) return;
if ( (y1<0&&y2<0) || (y1>this.h&&y2>this.h) ) return;
if(c!=col) {col=c;sp.style.backgroundColor=col;}
y1=Math.max(0,Math.min(this.h,y1));
y2=Math.max(0,Math.min(this.h,y2));
var vl = sp.cloneNode(true);
vl.style.left=Math.round(x)+"px";
vl.style.top=Math.round(this.h-Math.max(y1,y2))+"px";
vl.style.height=Math.round(Math.abs(y2-y1)+1)+"px";
buf.appendChild(vl);
bufsize--; if(!bufsize) this.flush();
} // ver_linie
this.hor_linie=function(x1,x2,y,c) {
if (y<0 || y>this.h) return;
if ( (x1<0&&x2<0) || (x1>this.w&&x2>this.w) ) return;
if(c!=col) {col=c;sp.style.backgroundColor=col;}
x1=Math.max(0,Math.min(this.w,x1));
x2=Math.max(0,Math.min(this.w,x2));
var hl = sp.cloneNode(true);
hl.style.left=Math.round(Math.min(x1,x2))+"px";
hl.style.top=Math.round(this.h-y)+"px";
hl.style.width=Math.round(Math.abs(x2-x1)+1)+"px";
buf.appendChild(hl);
bufsize--; if(!bufsize) this.flush();
} // hor_linie
this.linie=function(xs,ys,xe,ye,c) {
// var flag=(maxbuf==1);
// if(flag) maxbuf=1000;
xs=Math.round(xs); xe=Math.round(xe);
ys=Math.round(ys); ye=Math.round(ye);
var dx=xe-xs;
var dy=ye-ys;
if (dx==0 && dy==0) this.punkt(xs,ys,c)
else if (dx==0) this.ver_linie(xs,ys,ye,c);
else if (dy==0) this.hor_linie(xs,xe,ys,c);
else {
var adx=Math.abs(dx);
var ady=Math.abs(dy);
var d=Math.min(adx,ady);
dx=dx/d;
dy=dy/d;
if (adx==ady) {
for(var x=xs,y=ys,i=0;i<=d;x+=dx,y+=dy,i++) this.punkt(x,y,c) ;
}
else if (adx<ady) {
var dd=dy/Math.abs(dy);
this.ver_linie(xs,ys,ys+dy/2-dd,c);
for(var x=xs+dx,y=ys+dy/2,i=1;i<d;x+=dx,y+=dy,i++) this.ver_linie(x,y,y+dy-dd,c) ;
this.ver_linie(xe,ye-(dy+dd)/2,ye,c);
}
else {
var dd=dx/Math.abs(dx);
this.hor_linie(xs,xs+dx/2-dd,ys,c);
for(var x=xs+dx/2,y=ys+dy,i=1;i<d;x+=dx,y+=dy,i++) this.hor_linie(x,x+dx-dd,y,c) ;
this.hor_linie(xe-(dx+dd)/2,xe,ye,c);
}
}
// if(flag) {maxbuf=1;this.flush();}
} // linie
this.text=function(x,y,size,color,text,align) {
var align_h = "m";
var align_v = "m";
if(align && align.length) {
align_h = align.substr(0,1);
if(align.length>1) align_v = align.substr(1,1);
}
var pkt = document.createElement("div");
pkt.style.position = "absolute";
pkt.style.fontSize = size+"px";
pkt.style.color = color;
pkt.style.textAlign = "center";
pkt.innerHTML = text;
cont.appendChild(pkt);
switch(align_h) {
case "l": default: pkt.style.left = Math.round(x) + "px"; break;
case "m": pkt.style.left = Math.round(x) - pkt.offsetWidth/2 + "px"; break
case "r": pkt.style.left = Math.round(x) - pkt.offsetWidth + "px"; break
}
switch(align_v) {
case "o": default: pkt.style.top = Math.round(this.h-y) + "px"; break;
case "m": pkt.style.top = Math.round(this.h-y) - pkt.offsetHeight/2 + "px"; break;
case "u": pkt.style.top = Math.round(this.h-y) - pkt.offsetHeight + "px"; break;
}
} // text