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arcam.html
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<html>
<head>
<meta name="viewport" content="initial-scale=1,maximum-scale=1,user-scalable=no" />
<script src="Cesium/Cesium.js"></script>
</head>
<style>
@import url(/templates/bucket.css);;
#video{
position: absolute;
top: 50%;
left: 50%;
min-width: 100%;
min-height: 100%;
width: auto;
height: auto;
z-index: -100;
transform: translateX(-50%) translateY(-50%);
}
#toolbar {
background: rgba(42, 42, 42, 0.8);
border-radius: 4px;
}
#toolbar input {
vertical-align: top;
}
#toolbar table tr {
transform: translateY(0);
transition: transform 0.4s ease-out;
}
#toolbar table tr.up {
transition: none;
}
#toolbar table tr.down {
transition: none;
}
</style>
<video id="video" muted="" autoplay="" loop="" ></video>
<div id="cesiumContainer" class="fullSize"></div>
<div id="loadingOverlay"><h1>Loading...</h1></div>
<div id="toolbar">
<table>
<tbody data-bind="foreach: layers">
<tr data-bind="css: { up: $parent.upLayer === $data, down: $parent.downLayer === $data }">
<td><input type="checkbox" data-bind="checked: show"></td>
<td>
<span data-bind="text: name, visible: !$parent.isSelectableLayer($data)"></span>
<select data-bind="visible: $parent.isSelectableLayer($data), options: $parent.baseLayers, optionsText: 'name', value: $parent.selectedLayer"></select>
</td>
<td>
<input type="range" min="0" max="1" step="0.01" data-bind="value: alpha, valueUpdate: 'input'">
</td>
<td>
<button type="button" class="cesium-button" data-bind="click: function() { $parent.raise($data, $index()); }, visible: $parent.canRaise($index())">
▲
</button>
</td>
<td>
<button type="button" class="cesium-button" data-bind="click: function() { $parent.lower($data, $index()); }, visible: $parent.canLower($index())">
▼
</button>
</td>
</tr>
</tbody>
</table>
</div>
<script>
var viewer = new Cesium.Viewer("cesiumContainer",{
timeline:false,
animation:false,
fullscreenButton:false,
homeButton:false,
navigationHelpButton:false,
sceneModePicker:false,
Credit:false,
contextOptions : {
webgl: {
alpha: true
}
}
});
viewer.scene.skyBox.destroy();
viewer.scene.skyBox = undefined;
viewer.scene.sun.destroy();
viewer.scene.sun = undefined;
viewer.scene.moon.destroy();
viewer.scene.moon = undefined;
viewer.scene.skyAtmosphere.destroy();
viewer.scene.skyAtmosphere = undefined;
viewer._cesiumWidget._creditContainer.parentNode.removeChild(
viewer._cesiumWidget._creditContainer);
viewer.scene.backgroundColor = Cesium.Color.TRANSPARENT;
var videoElement = document.getElementById("video");
(function()
{
var video= document.getElementById('video'),
vendorurl=window.URL || window.webkitURL;
navigator.getMedia= navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
navigator.getMedia(
{
video:true,
video:{facingMode: { exact: "environment" }},
audio:false
}, function(stream){
video.srcObject = stream; video.play();
},function(error){
});
}) ();
var layers = viewer.scene.globe.imageryLayers;
//layers ui
var imageryLayers = viewer.imageryLayers;
var viewModel = {
layers: [],
baseLayers: [],
upLayer: null,
downLayer: null,
selectedLayer: null,
isSelectableLayer: function (layer) {
return this.baseLayers.indexOf(layer) >= 0;
},
raise: function (layer, index) {
imageryLayers.raise(layer);
viewModel.upLayer = layer;
viewModel.downLayer = viewModel.layers[Math.max(0, index - 1)];
updateLayerList();
window.setTimeout(function () {
viewModel.upLayer = viewModel.downLayer = null;
}, 10);
},
lower: function (layer, index) {
imageryLayers.lower(layer);
viewModel.upLayer =
viewModel.layers[
Math.min(viewModel.layers.length - 1, index + 1)
];
viewModel.downLayer = layer;
updateLayerList();
window.setTimeout(function () {
viewModel.upLayer = viewModel.downLayer = null;
}, 10);
},
canRaise: function (layerIndex) {
return layerIndex > 0;
},
canLower: function (layerIndex) {
return layerIndex >= 0 && layerIndex < imageryLayers.length - 1;
},
};
var baseLayers = viewModel.baseLayers;
Cesium.knockout.track(viewModel);
function setupLayers() {
addAdditionalLayerOption(
"TN_Layer",
new Cesium.WebMapServiceImageryProvider({
url:
"https://bhuvan-vec2.nrsc.gov.in/bhuvan/wms",
layers: "lulc:TN_LULC50K_0506",
parameters: {
transparent: "true",
format: "image/png",
},
})
);
addAdditionalLayerOption(
"USA_Layer",
new Cesium.WebMapServiceImageryProvider({
url:
"https://ahocevar.com/geoserver/wms",
layers: "topp:states",
parameters: {
transparent: "true",
format: "image/png",
},
})
);
}
function addBaseLayerOption(name, imageryProvider) {
var layer;
if (typeof imageryProvider === "undefined") {
layer = imageryLayers.get(0);
viewModel.selectedLayer = layer;
} else {
layer = new Cesium.ImageryLayer(imageryProvider);
}
layer.name = name;
baseLayers.push(layer);
}
function addAdditionalLayerOption(name, imageryProvider, alpha, show) {
var layer = imageryLayers.addImageryProvider(imageryProvider);
layer.alpha = Cesium.defaultValue(alpha,1);
layer.show = Cesium.defaultValue(show, true);
layer.name = name;
Cesium.knockout.track(layer, ["alpha", "show", "name"]);
}
function updateLayerList() {
var numLayers = imageryLayers.length;
viewModel.layers.splice(0, viewModel.layers.length);
for (var i = numLayers - 1; i >= 0; --i) {
viewModel.layers.push(imageryLayers.get(i));
}
}
setupLayers();
updateLayerList();
var toolbar = document.getElementById("toolbar");
Cesium.knockout.applyBindings(viewModel, toolbar);
Cesium.knockout
.getObservable(viewModel, "selectedLayer")
.subscribe(function (baseLayer) {
var activeLayerIndex = 0;
var numLayers = viewModel.layers.length;
for (var i = 0; i < numLayers; ++i) {
if (viewModel.isSelectableLayer(viewModel.layers[i])) {
activeLayerIndex = i;
break;
}
}
var activeLayer = viewModel.layers[activeLayerIndex];
var show = activeLayer.show;
var alpha = activeLayer.alpha;
imageryLayers.remove(activeLayer, false);
imageryLayers.add(baseLayer, numLayers - activeLayerIndex - 1);
baseLayer.show = show;
baseLayer.alpha = alpha;
updateLayerList();
});
//end
var destination = new Cesium.Cartesian3();
var currentScreenOrientation = window.orientation || 0;
if (window.DeviceOrientationEvent) {
window.addEventListener('deviceorientation', onDeviceOrientationChanged, false);
}
window.addEventListener('orientationchange', function() {
currentScreenOrientation = window.orientation;
}, false);
var degtorad = Math.PI / 180; // Degree-to-Radian conversion
function getBaseRotationMatrix( alpha, beta, gamma ) {
var _x = beta ? beta * degtorad : 0;
var _y = gamma ? gamma * degtorad : 0;
var _z = alpha ? alpha * degtorad : 0;
var cX = Math.cos( _x );
var cY = Math.cos( _y );
var cZ = Math.cos( _z );
var sX = Math.sin( _x );
var sY = Math.sin( _y );
var sZ = Math.sin( _z );
var m11 = cZ * cY - sZ * sX * sY;
var m12 = - cX * sZ;
var m13 = cY * sZ * sX + cZ * sY;
var m21 = cY * sZ + cZ * sX * sY;
var m22 = cZ * cX;
var m23 = sZ * sY - cZ * cY * sX;
var m31 = - cX * sY;
var m32 = sX;
var m33 = cX * cY;
return [
m11, m12, m13,
m21, m22, m23,
m31, m32, m33
];
}
function getScreenTransformationMatrix( screenOrientation ) {
var orientationAngle = screenOrientation ? screenOrientation * degtorad : 0;
var cA = Math.cos( orientationAngle );
var sA = Math.sin( orientationAngle );
var r_s = [
cA, -sA, 0,
sA, cA, 0,
0, 0, 1
];
return r_s;
}
function getWorldTransformationMatrix() {
var x = -90 * degtorad;
var cA = Math.cos( x );
var sA = Math.sin( x );
var r_w = [
1, 0, 0,
0, cA, -sA,
0, sA, cA
];
return r_w;
}
function matrixMultiply( a, b ) {
var final = [];
final[0] = a[0] * b[0] + a[1] * b[3] + a[2] * b[6];
final[1] = a[0] * b[1] + a[1] * b[4] + a[2] * b[7];
final[2] = a[0] * b[2] + a[1] * b[5] + a[2] * b[8];
final[3] = a[3] * b[0] + a[4] * b[3] + a[5] * b[6];
final[4] = a[3] * b[1] + a[4] * b[4] + a[5] * b[7];
final[5] = a[3] * b[2] + a[4] * b[5] + a[5] * b[8];
final[6] = a[6] * b[0] + a[7] * b[3] + a[8] * b[6];
final[7] = a[6] * b[1] + a[7] * b[4] + a[8] * b[7];
final[8] = a[6] * b[2] + a[7] * b[5] + a[8] * b[8];
return final;
}
function computeMatrix(alpha, beta, gamma, currentScreenOrientation) {
var rotationMatrix = getBaseRotationMatrix(
alpha,
beta,
gamma
);
var screenTransform = getScreenTransformationMatrix( currentScreenOrientation );
var screenAdjustedMatrix = matrixMultiply( rotationMatrix, screenTransform );
var worldTransform = getWorldTransformationMatrix();
var finalMatrix = matrixMultiply( screenAdjustedMatrix, worldTransform );
return finalMatrix;
}
function getYawPitchRoll(rotationMatrix) {
var rm11 = rotationMatrix[0]; var rm12 = rotationMatrix[1]; var rm13 = rotationMatrix[2];
var rm21 = rotationMatrix[3]; var rm22 = rotationMatrix[4]; var rm23 = rotationMatrix[5];
var rm31 = rotationMatrix[6]; var rm32 = rotationMatrix[7]; var rm33 = rotationMatrix[8];
var yaw = Math.atan2(rm21, rm11);
var pitch = Math.atan2(rm32, rm33);
var roll = Math.atan2(rm31, Math.sqrt(Math.pow(rm32,2) + Math.pow(rm33,2)));
return [yaw, pitch, roll];
}
function onDeviceOrientationChanged(eventData) {
var beta = eventData.beta;
var gamma = eventData.gamma;
var alpha = eventData.alpha;
var matrix = computeMatrix(alpha, beta, gamma, currentScreenOrientation);
var YawPitchRoll = getYawPitchRoll(matrix);
console.log(YawPitchRoll);
viewer.camera.setView({
orientation : {
heading : -YawPitchRoll[0],
pitch : YawPitchRoll[1],
roll: -YawPitchRoll[2]
}
});
}
</script>
</body>
</html>