207 lines
7.0 KiB
JavaScript
207 lines
7.0 KiB
JavaScript
goog.require('ol.Feature');
|
|
goog.require('ol.Map');
|
|
goog.require('ol.View');
|
|
goog.require('ol.format.Polyline');
|
|
goog.require('ol.geom.Point');
|
|
goog.require('ol.layer.Tile');
|
|
goog.require('ol.layer.Vector');
|
|
goog.require('ol.source.BingMaps');
|
|
goog.require('ol.source.Vector');
|
|
goog.require('ol.style.Circle');
|
|
goog.require('ol.style.Fill');
|
|
goog.require('ol.style.Icon');
|
|
goog.require('ol.style.Stroke');
|
|
goog.require('ol.style.Style');
|
|
|
|
// This long string is placed here due to jsFiddle limitations.
|
|
// It is usually loaded with AJAX.
|
|
var polyline = [
|
|
'hldhx@lnau`BCG_EaC??cFjAwDjF??uBlKMd@}@z@??aC^yk@z_@se@b[wFdE??wFfE}N',
|
|
'fIoGxB_I\\gG}@eHoCyTmPqGaBaHOoD\\??yVrGotA|N??o[N_STiwAtEmHGeHcAkiA}^',
|
|
'aMyBiHOkFNoI`CcVvM??gG^gF_@iJwC??eCcA]OoL}DwFyCaCgCcCwDcGwHsSoX??wI_E',
|
|
'kUFmq@hBiOqBgTwS??iYse@gYq\\cp@ce@{vA}s@csJqaE}{@iRaqE{lBeRoIwd@_T{]_',
|
|
'Ngn@{PmhEwaA{SeF_u@kQuyAw]wQeEgtAsZ}LiCarAkVwI}D??_}RcjEinPspDwSqCgs@',
|
|
'sPua@_OkXaMeT_Nwk@ob@gV}TiYs[uTwXoNmT{Uyb@wNg]{Nqa@oDgNeJu_@_G}YsFw]k',
|
|
'DuZyDmm@i_@uyIJe~@jCg|@nGiv@zUi_BfNqaAvIow@dEed@dCcf@r@qz@Egs@{Acu@mC',
|
|
'um@yIey@gGig@cK_m@aSku@qRil@we@{mAeTej@}Tkz@cLgr@aHko@qOmcEaJw~C{w@ka',
|
|
'i@qBchBq@kmBS{kDnBscBnFu_Dbc@_~QHeU`IuyDrC_}@bByp@fCyoA?qMbD}{AIkeAgB',
|
|
'k_A_A{UsDke@gFej@qH{o@qGgb@qH{`@mMgm@uQus@kL{_@yOmd@ymBgwE}x@ouBwtA__',
|
|
'DuhEgaKuWct@gp@cnBii@mlBa_@}|Asj@qrCg^eaC}L{dAaJ_aAiOyjByH{nAuYu`GsAw',
|
|
'Xyn@ywMyOyqD{_@cfIcDe}@y@aeBJmwA`CkiAbFkhBlTgdDdPyiB`W}xDnSa}DbJyhCrX',
|
|
'itAhT}x@bE}Z_@qW_Kwv@qKaaAiBgXvIm}A~JovAxCqW~WanB`XewBbK{_A`K}fBvAmi@',
|
|
'xBycBeCauBoF}}@qJioAww@gjHaPopA_NurAyJku@uGmi@cDs[eRaiBkQstAsQkcByNma',
|
|
'CsK_uBcJgbEw@gkB_@ypEqDoqSm@eZcDwjBoGw`BoMegBaU_`Ce_@_uBqb@ytBwkFqiT_',
|
|
'fAqfEwe@mfCka@_eC_UmlB}MmaBeWkkDeHwqAoX}~DcBsZmLcxBqOwqE_DkyAuJmrJ\\o',
|
|
'~CfIewG|YibQxBssB?es@qGciA}RorAoVajA_nAodD{[y`AgPqp@mKwr@ms@umEaW{dAm',
|
|
'b@umAw|@ojBwzDaaJsmBwbEgdCsrFqhAihDquAi`Fux@}_Dui@_eB_u@guCuyAuiHukA_',
|
|
'lKszAu|OmaA{wKm}@clHs_A_rEahCssKo\\sgBsSglAqk@yvDcS_wAyTwpBmPc|BwZknF',
|
|
'oFscB_GsaDiZmyMyLgtHgQonHqT{hKaPg}Dqq@m~Hym@c`EuiBudIabB{hF{pWifx@snA',
|
|
'w`GkFyVqf@y~BkoAi}Lel@wtc@}`@oaXi_C}pZsi@eqGsSuqJ|Lqeb@e]kgPcaAu}SkDw',
|
|
'zGhn@gjYh\\qlNZovJieBqja@ed@siO{[ol\\kCmjMe\\isHorCmec@uLebB}EqiBaCg}',
|
|
'@m@qwHrT_vFps@kkI`uAszIrpHuzYxx@e{Crw@kpDhN{wBtQarDy@knFgP_yCu\\wyCwy',
|
|
'A{kHo~@omEoYmoDaEcPiuAosDagD}rO{{AsyEihCayFilLaiUqm@_bAumFo}DgqA_uByi',
|
|
'@swC~AkzDlhA}xEvcBa}Cxk@ql@`rAo|@~bBq{@``Bye@djDww@z_C_cAtn@ye@nfC_eC',
|
|
'|gGahH~s@w}@``Fi~FpnAooC|u@wlEaEedRlYkrPvKerBfYs}Arg@m}AtrCkzElw@gjBb',
|
|
'h@woBhR{gCwGkgCc[wtCuOapAcFoh@uBy[yBgr@c@iq@o@wvEv@sp@`FajBfCaq@fIipA',
|
|
'dy@ewJlUc`ExGuaBdEmbBpBssArAuqBBg}@s@g{AkB{bBif@_bYmC}r@kDgm@sPq_BuJ_',
|
|
's@{X_{AsK_d@eM{d@wVgx@oWcu@??aDmOkNia@wFoSmDyMyCkPiBePwAob@XcQ|@oNdCo',
|
|
'SfFwXhEmOnLi\\lbAulB`X_d@|k@au@bc@oc@bqC}{BhwDgcD`l@ed@??bL{G|a@eTje@',
|
|
'oS~]cLr~Bgh@|b@}Jv}EieAlv@sPluD{z@nzA_]`|KchCtd@sPvb@wSb{@ko@f`RooQ~e',
|
|
'[upZbuIolI|gFafFzu@iq@nMmJ|OeJn^{Qjh@yQhc@uJ~j@iGdd@kAp~BkBxO{@|QsAfY',
|
|
'gEtYiGd]}Jpd@wRhVoNzNeK`j@ce@vgK}cJnSoSzQkVvUm^rSgc@`Uql@xIq\\vIgg@~k',
|
|
'Dyq[nIir@jNoq@xNwc@fYik@tk@su@neB}uBhqEesFjoGeyHtCoD|D}Ed|@ctAbIuOzqB',
|
|
'_}D~NgY`\\um@v[gm@v{Cw`G`w@o{AdjAwzBh{C}`Gpp@ypAxn@}mAfz@{bBbNia@??jI',
|
|
'ab@`CuOlC}YnAcV`@_^m@aeB}@yk@YuTuBg^uCkZiGk\\yGeY}Lu_@oOsZiTe[uWi[sl@',
|
|
'mo@soAauAsrBgzBqgAglAyd@ig@asAcyAklA}qAwHkGi{@s~@goAmsAyDeEirB_{B}IsJ',
|
|
'uEeFymAssAkdAmhAyTcVkFeEoKiH}l@kp@wg@sj@ku@ey@uh@kj@}EsFmG}Jk^_r@_f@m',
|
|
'~@ym@yjA??a@cFd@kBrCgDbAUnAcBhAyAdk@et@??kF}D??OL'
|
|
].join('');
|
|
|
|
var route = /** @type {ol.geom.LineString} */ (new ol.format.Polyline({
|
|
factor: 1e6
|
|
}).readGeometry(polyline, {
|
|
dataProjection: 'EPSG:4326',
|
|
featureProjection: 'EPSG:3857'
|
|
}));
|
|
|
|
var routeCoords = route.getCoordinates();
|
|
var routeLength = routeCoords.length;
|
|
|
|
var routeFeature = new ol.Feature({
|
|
type: 'route',
|
|
geometry: route
|
|
});
|
|
var geoMarker = new ol.Feature({
|
|
type: 'geoMarker',
|
|
geometry: new ol.geom.Point(routeCoords[0])
|
|
});
|
|
var startMarker = new ol.Feature({
|
|
type: 'icon',
|
|
geometry: new ol.geom.Point(routeCoords[0])
|
|
});
|
|
var endMarker = new ol.Feature({
|
|
type: 'icon',
|
|
geometry: new ol.geom.Point(routeCoords[routeLength - 1])
|
|
});
|
|
|
|
var styles = {
|
|
'route': new ol.style.Style({
|
|
stroke: new ol.style.Stroke({
|
|
width: 6, color: [237, 212, 0, 0.8]
|
|
})
|
|
}),
|
|
'icon': new ol.style.Style({
|
|
image: new ol.style.Icon({
|
|
anchor: [0.5, 1],
|
|
src: 'data/icon.png'
|
|
})
|
|
}),
|
|
'geoMarker': new ol.style.Style({
|
|
image: new ol.style.Circle({
|
|
radius: 7,
|
|
snapToPixel: false,
|
|
fill: new ol.style.Fill({color: 'black'}),
|
|
stroke: new ol.style.Stroke({
|
|
color: 'white', width: 2
|
|
})
|
|
})
|
|
})
|
|
};
|
|
|
|
var animating = false;
|
|
var speed, now;
|
|
var speedInput = document.getElementById('speed');
|
|
var startButton = document.getElementById('start-animation');
|
|
|
|
var vectorLayer = new ol.layer.Vector({
|
|
source: new ol.source.Vector({
|
|
features: [routeFeature, geoMarker, startMarker, endMarker]
|
|
}),
|
|
style: function(feature) {
|
|
// hide geoMarker if animation is active
|
|
if (animating && feature.get('type') === 'geoMarker') {
|
|
return null;
|
|
}
|
|
return styles[feature.get('type')];
|
|
}
|
|
});
|
|
|
|
var center = [-5639523.95, -3501274.52];
|
|
var map = new ol.Map({
|
|
target: document.getElementById('map'),
|
|
loadTilesWhileAnimating: true,
|
|
view: new ol.View({
|
|
center: center,
|
|
zoom: 10,
|
|
minZoom: 2,
|
|
maxZoom: 19
|
|
}),
|
|
layers: [
|
|
new ol.layer.Tile({
|
|
source: new ol.source.BingMaps({
|
|
imagerySet: 'AerialWithLabels',
|
|
key: 'As1HiMj1PvLPlqc_gtM7AqZfBL8ZL3VrjaS3zIb22Uvb9WKhuJObROC-qUpa81U5'
|
|
})
|
|
}),
|
|
vectorLayer
|
|
]
|
|
});
|
|
|
|
var moveFeature = function(event) {
|
|
var vectorContext = event.vectorContext;
|
|
var frameState = event.frameState;
|
|
|
|
if (animating) {
|
|
var elapsedTime = frameState.time - now;
|
|
// here the trick to increase speed is to jump some indexes
|
|
// on lineString coordinates
|
|
var index = Math.round(speed * elapsedTime / 1000);
|
|
|
|
if (index >= routeLength) {
|
|
stopAnimation(true);
|
|
return;
|
|
}
|
|
|
|
var currentPoint = new ol.geom.Point(routeCoords[index]);
|
|
var feature = new ol.Feature(currentPoint);
|
|
vectorContext.drawFeature(feature, styles.geoMarker);
|
|
}
|
|
// tell OL3 to continue the postcompose animation
|
|
map.render();
|
|
};
|
|
|
|
function startAnimation() {
|
|
if (animating) {
|
|
stopAnimation(false);
|
|
} else {
|
|
animating = true;
|
|
now = new Date().getTime();
|
|
speed = speedInput.value;
|
|
startButton.textContent = 'Cancel Animation';
|
|
// hide geoMarker
|
|
geoMarker.setStyle(null);
|
|
// just in case you pan somewhere else
|
|
map.getView().setCenter(center);
|
|
map.on('postcompose', moveFeature);
|
|
map.render();
|
|
}
|
|
}
|
|
|
|
|
|
/**
|
|
* @param {boolean} ended end of animation.
|
|
*/
|
|
function stopAnimation(ended) {
|
|
animating = false;
|
|
startButton.textContent = 'Start Animation';
|
|
|
|
// if animation cancelled set the marker at the beginning
|
|
var coord = ended ? routeCoords[routeLength - 1] : routeCoords[0];
|
|
/** @type {ol.geom.Point} */ (geoMarker.getGeometry())
|
|
.setCoordinates(coord);
|
|
//remove listener
|
|
map.un('postcompose', moveFeature);
|
|
}
|
|
|
|
startButton.addEventListener('click', startAnimation, false);
|