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Last active January 20, 2021 08:27
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index.html
<!DOCTYPE html>
<html>
<head>
<title>MapillaryJS Compare</title>
<meta charset='utf-8'>
<meta name='viewport' content='width=device-width, initial-scale=1.0, user-scalable=no'>
<script src='https://unpkg.com/mapillary-js@3.1.0/dist/mapillary.min.js'></script>
<link href='https://unpkg.com/mapillary-js@3.1.0/dist/mapillary.min.css' rel='stylesheet' />
<style>
body { margin: 0; padding: 0; }
html, body { width: 100%; height: 100%; }
.viewer-container { position: absolute; top: 0; bottom: 0; width: 100%; }
.viewer { position: absolute; top: 0; height: 100%; z-index: 0; }
.left { left: 0; width: 50%; }
.right { right: 0; width: 50%; }
.full { left: 0; right: 0; }
.controls-container { background: white; position: absolute; top: 0; left: 0; padding: 5px; }
.controls-container > range { display: block; width: 200px; }
.controls-container > button {
display: block;
border: 1px solid black;
background-color: white;
color: black;
border-radius: none;
margin-top: 2px;
display: inline-block;
}
</style>
</head>
<body>
<div class='viewer-container'>
<div id='mly1' class='viewer'></div>
<div id='mly2' class='viewer'></div>
</div>
<div class='controls-container'>
<div>
<button onclick='toggleRenderMode()'>Render mode</button>
<button onclick='resetView()'>Reset</button>
</div>
<div>
<button id="side-by-side-button" onclick='activateSideBySideMode()'>Side by side</button>
<button id="curtain-button" onclick='activateCurtainMode()'>Curtain</button>
</div>
<input type='range' min='0' max='1000' value=1000 disabled="disabled" id='curtain-range'/>
</div>
<script>
var CompareMode = {};
CompareMode[CompareMode["SideBySide"] = 0] = "SideBySide";
CompareMode[CompareMode["Curtain"] = 1] = "Curtain";
var clientId = 'QjI1NnU0aG5FZFZISE56U3R5aWN4Zzo3NTM1MjI5MmRjODZlMzc0';
var componentOptions = { imagePlane: { imageTiling: true } };
var mly1 = new Mapillary.Viewer({
apiClient: clientId,
component: componentOptions,
container: 'mly1',
});
var mly2 = new Mapillary.Viewer({
apiClient: clientId,
component: componentOptions,
container: 'mly2',
});
var mly1Container = mly1.getContainer();
var mly2Container = mly2.getContainer();
mly1.moveToKey('JW1utOJP4g7gk06HtYgQSQ').catch(function(e) { console.error(e); });
mly2.moveToKey('vQTjvdSJll7XoLiO-pgzZA').catch(function(e) { console.error(e); });
var state = {
compareMode: CompareMode.SideBySide,
curtain: 1,
renderMode: Mapillary.RenderMode.Fill,
};
function resize() {
mly1.resize();
mly2.resize();
if (state.compareMode === CompareMode.Curtain) {
moveCurtain(state.curtain);
}
}
function toggleRenderMode() {
state.renderMode = state.renderMode === Mapillary.RenderMode.Fill ?
Mapillary.RenderMode.Letterbox :
Mapillary.RenderMode.Fill;
mly1.setRenderMode(state.renderMode);
mly2.setRenderMode(state.renderMode);
}
function resetView() {
mly1.setCenter([0.5, 0.5]);
mly2.setCenter([0.5, 0.5]);
mly1.setZoom(0);
mly2.setZoom(0);
}
function activateSideBySideMode() {
state.comparemode = CompareMode.SideBySide;
mly1Container.classList.remove('full');
mly1Container.classList.add('left');
mly2Container.classList.remove('full');
mly2Container.classList.add('right');
document.getElementById('mly2').style.clipPath = '';
document.getElementById('mly2').style.clip = '';
mly1.activateComponent('sequence');
mly2.activateComponent('sequence');
mly1.activateComponent('direction');
mly2.activateComponent('direction');
document.getElementById('curtain-range').setAttribute('disabled', 'disabled');
document.getElementById('side-by-side-button').setAttribute('disabled', 'disabled');
document.getElementById('curtain-button').removeAttribute('disabled');
document.getElementById('side-by-side-button').style.color = '#CCCCCC';
document.getElementById('curtain-button').style.color = '#000000';
resize();
}
function activateCurtainMode() {
state.comparemode = CompareMode.Curtain;
mly1Container.classList.remove('left');
mly1Container.classList.add('full');
mly2Container.classList.remove('right');
mly2Container.classList.add('full');
mly1.deactivateComponent('sequence');
mly2.deactivateComponent('sequence');
mly1.deactivateComponent('direction');
mly2.deactivateComponent('direction');
moveCurtain(Number(document.getElementById('curtain-range').value) / 1000);
document.getElementById('curtain-range').removeAttribute('disabled');
document.getElementById('side-by-side-button').removeAttribute('disabled');
document.getElementById('curtain-button').setAttribute('disabled', 'disabled');
document.getElementById('side-by-side-button').style.color = '#000000';
document.getElementById('curtain-button').style.color = '#CCCCCC';
resize();
}
function moveCurtain(curtain) {
if (state.comparemode === CompareMode.SideBySide) {
return;
}
var mly2Container = document.getElementById('mly2');
var clientRect = mly2Container.getBoundingClientRect();
var clipPath = `inset(0px ${clientRect.width - curtain * clientRect.width}px 0px 0px)`;
var clip = `rect(0px, ${curtain * clientRect.width}px, ${clientRect.height}px, 0px)`;
mly2Container.style.clipPath = clipPath;
mly2Container.style.clip = clip;
}
function onCurtain(e) {
state.curtain = Number(e.target.value) / 1000;
moveCurtain(state.curtain);
};
var curtainRange = document.getElementById('curtain-range');
curtainRange.addEventListener('input', onCurtain);
curtainRange.addEventListener('change', onCurtain);
window.addEventListener('resize', resize);
activateSideBySideMode();
</script>
</body>
</html>
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