itowns
Version:
A JS/WebGL framework for 3D geospatial data visualization
226 lines (181 loc) • 8.96 kB
JavaScript
;
var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard");
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports["default"] = exports.GLOBE_VIEW_EVENTS = void 0;
var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
var _possibleConstructorReturn2 = _interopRequireDefault(require("@babel/runtime/helpers/possibleConstructorReturn"));
var _assertThisInitialized2 = _interopRequireDefault(require("@babel/runtime/helpers/assertThisInitialized"));
var _getPrototypeOf2 = _interopRequireDefault(require("@babel/runtime/helpers/getPrototypeOf"));
var _get2 = _interopRequireDefault(require("@babel/runtime/helpers/get"));
var _inherits2 = _interopRequireDefault(require("@babel/runtime/helpers/inherits"));
var THREE = _interopRequireWildcard(require("three"));
var _View2 = _interopRequireWildcard(require("../View"));
var _GlobeControls = _interopRequireDefault(require("../../Controls/GlobeControls"));
var _GlobeLayer = _interopRequireDefault(require("./Globe/GlobeLayer"));
var _Atmosphere = _interopRequireDefault(require("./Globe/Atmosphere"));
var _Coordinates = _interopRequireDefault(require("../Geographic/Coordinates"));
var _Crs = _interopRequireDefault(require("../Geographic/Crs"));
var _Ellipsoid = require("../Math/Ellipsoid");
/**
* Fires when the view is completely loaded. Controls and view's functions can be called then.
* @event GlobeView#initialized
* @property target {view} dispatched on view
* @property type {string} initialized
*/
/**
* Fires when a layer is added
* @event GlobeView#layer-added
* @property layerId {string} the id of the layer
* @property target {view} dispatched on view
* @property type {string} layers-added
*/
/**
* Fires when a layer is removed
* @event GlobeView#layer-removed
* @property layerId {string} the id of the layer
* @property target {view} dispatched on view
* @property type {string} layers-added
*/
/**
* Fires when the layers oder has changed
* @event GlobeView#layers-order-changed
* @property new {object}
* @property new.sequence {array}
* @property new.sequence.0 {number} the new layer at position 0
* @property new.sequence.1 {number} the new layer at position 1
* @property new.sequence.2 {number} the new layer at position 2
* @property previous {object}
* @property previous.sequence {array}
* @property previous.sequence.0 {number} the previous layer at position 0
* @property previous.sequence.1 {number} the previous layer at position 1
* @property previous.sequence.2 {number} the previous layer at position 2
* @property target {view} dispatched on view
* @property type {string} layers-order-changed
*/
/**
* Globe's EVENT
* @property GLOBE_INITIALIZED {string} Deprecated: emit one time when globe is initialized (use VIEW_EVENTS.INITIALIZED instead).
* @property LAYER_ADDED {string} Deprecated: emit when layer id added in viewer (use VIEW_EVENTS.LAYER_ADDED instead).
* @property LAYER_REMOVED {string} Deprecated: emit when layer id removed in viewer (use VIEW_EVENTS.LAYER_REMOVED instead).
* @property COLOR_LAYERS_ORDER_CHANGED {string} Deprecated: emit when color layers order change (use VIEW_EVENTS.COLOR_LAYERS_ORDER_CHANGED instead).
*/
var GLOBE_VIEW_EVENTS = {
GLOBE_INITIALIZED: _View2.VIEW_EVENTS.INITIALIZED,
LAYER_ADDED: _View2.VIEW_EVENTS.LAYER_ADDED,
LAYER_REMOVED: _View2.VIEW_EVENTS.LAYER_REMOVED,
COLOR_LAYERS_ORDER_CHANGED: _View2.VIEW_EVENTS.COLOR_LAYERS_ORDER_CHANGED
};
exports.GLOBE_VIEW_EVENTS = GLOBE_VIEW_EVENTS;
var GlobeView =
/*#__PURE__*/
function (_View) {
(0, _inherits2["default"])(GlobeView, _View);
/**
* Creates a view of a globe.
*
* @constructor
*
* @example
* var viewerDiv = document.getElementById('viewerDiv');
* var position = new itowns.Coordinates('WGS84', 2.35, 48.8, 25e6);
* var view = new itowns.GlobeView(viewerDiv, position);
*
* @example
* var viewerDiv = document.getElementById('viewerDiv');
* var position = { longitude: 2.35, latitude: 48.8, altitude: 25e6 };
* var view = new itowns.GlobeView(viewerDiv, position);
*
* @param {HTMLDivElement} viewerDiv - Where to attach the view and display it
* in the DOM.
* @param {object|Coordinates} coordCarto - An object containing three
* properties: longitude, latitude and altitude. It will help placing the camera
* on the globe at the creation.
* @param {object=} options - See options of {@link View}.
*/
function GlobeView(viewerDiv, coordCarto) {
var _this;
var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
(0, _classCallCheck2["default"])(this, GlobeView);
THREE.Object3D.DefaultUp.set(0, 0, 1); // Setup View
_this = (0, _possibleConstructorReturn2["default"])(this, (0, _getPrototypeOf2["default"])(GlobeView).call(this, 'EPSG:4978', viewerDiv, options));
_this.isGlobeView = true; // Configure camera
var positionCamera;
if (coordCarto.isCoordinates) {
positionCamera = coordCarto.as('EPSG:4326');
} else {
positionCamera = new _Coordinates["default"]('EPSG:4326', coordCarto.longitude, coordCarto.latitude, coordCarto.altitude);
}
_this.camera.camera3D.near = Math.max(15.0, 0.000002352 * _Ellipsoid.ellipsoidSizes.x);
_this.camera.camera3D.far = _Ellipsoid.ellipsoidSizes.x * 10;
var tileLayer = new _GlobeLayer["default"]('globe', options.object3d, options);
var sun = new THREE.DirectionalLight();
sun.position.set(-0.5, 0, 1);
sun.updateMatrixWorld(true);
tileLayer.object3d.add(sun);
_this.addLayer(tileLayer); // Configure controls
var positionTargetCamera = positionCamera.clone();
positionTargetCamera.altitude = 0;
if (options.noControls) {
_this.camera.setPosition(positionCamera);
_this.camera.camera3D.lookAt(positionTargetCamera.as('EPSG:4978').toVector3());
} else {
_this.controls = new _GlobeControls["default"]((0, _assertThisInitialized2["default"])(_this), positionTargetCamera, positionCamera.altitude, _Ellipsoid.ellipsoidSizes.x);
_this.controls.handleCollision = typeof options.handleCollision !== 'undefined' ? options.handleCollision : true;
}
_this.tileLayer = tileLayer;
_this.addLayer(new _Atmosphere["default"]()); // GlobeView needs this.camera.resize to set perpsective matrix camera
_this.camera.resize(viewerDiv.clientWidth, viewerDiv.clientHeight);
return _this;
}
(0, _createClass2["default"])(GlobeView, [{
key: "addLayer",
value: function addLayer(layer) {
if (!layer) {
return new Promise(function (resolve, reject) {
return reject(new Error('layer is undefined'));
});
}
if (layer.isColorLayer) {
var colorLayerCount = this.getLayers(function (l) {
return l.isColorLayer;
}).length;
layer.sequence = colorLayerCount;
if (!this.tileLayer.tileMatrixSets.includes(_Crs["default"].formatToTms(layer.source.projection))) {
throw new Error("Only ".concat(this.tileLayer.tileMatrixSets, " tileMatrixSet are currently supported for color layers"));
}
} else if (layer.isElevationLayer) {
if (_Crs["default"].formatToTms(layer.source.projection) !== this.tileLayer.tileMatrixSets[0]) {
throw new Error("Only ".concat(this.tileLayer.tileMatrixSets[0], " tileMatrixSet is currently supported for elevation layers"));
}
}
return (0, _get2["default"])((0, _getPrototypeOf2["default"])(GlobeView.prototype), "addLayer", this).call(this, layer, this.tileLayer);
}
}, {
key: "getPixelsToDegrees",
value: function getPixelsToDegrees() {
var pixels = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
var screenCoord = arguments.length > 1 ? arguments[1] : undefined;
return this.getMetersToDegrees(this.getPixelsToMeters(pixels, screenCoord));
}
}, {
key: "getPixelsToDegreesFromDistance",
value: function getPixelsToDegreesFromDistance() {
var pixels = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
var distance = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
return this.getMetersToDegrees(this.getPixelsToMetersFromDistance(pixels, distance));
}
}, {
key: "getMetersToDegrees",
value: function getMetersToDegrees() {
var meters = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 1;
return THREE.Math.radToDeg(2 * Math.asin(meters / (2 * _Ellipsoid.ellipsoidSizes.x)));
}
}]);
return GlobeView;
}(_View2["default"]);
var _default = GlobeView;
exports["default"] = _default;