import ApproximateTerrainHeights from '../Core/ApproximateTerrainHeights.js'; import Cartesian3 from '../Core/Cartesian3.js'; import Check from '../Core/Check.js'; import Color from '../Core/Color.js'; import ColorGeometryInstanceAttribute from '../Core/ColorGeometryInstanceAttribute.js'; import defined from '../Core/defined.js'; import DeveloperError from '../Core/DeveloperError.js'; import DistanceDisplayConditionGeometryInstanceAttribute from '../Core/DistanceDisplayConditionGeometryInstanceAttribute.js'; import EllipseGeometry from '../Core/EllipseGeometry.js'; import EllipseOutlineGeometry from '../Core/EllipseOutlineGeometry.js'; import GeometryInstance from '../Core/GeometryInstance.js'; import Iso8601 from '../Core/Iso8601.js'; import OffsetGeometryInstanceAttribute from '../Core/OffsetGeometryInstanceAttribute.js'; import Rectangle from '../Core/Rectangle.js'; import ShowGeometryInstanceAttribute from '../Core/ShowGeometryInstanceAttribute.js'; import HeightReference from '../Scene/HeightReference.js'; import MaterialAppearance from '../Scene/MaterialAppearance.js'; import PerInstanceColorAppearance from '../Scene/PerInstanceColorAppearance.js'; import ColorMaterialProperty from './ColorMaterialProperty.js'; import DynamicGeometryUpdater from './DynamicGeometryUpdater.js'; import GeometryUpdater from './GeometryUpdater.js'; import GroundGeometryUpdater from './GroundGeometryUpdater.js'; import Property from './Property.js'; var scratchColor = new Color(); var defaultOffset = Cartesian3.ZERO; var offsetScratch = new Cartesian3(); var scratchRectangle = new Rectangle(); function EllipseGeometryOptions(entity) { this.id = entity; this.vertexFormat = undefined; this.center = undefined; this.semiMajorAxis = undefined; this.semiMinorAxis = undefined; this.rotation = undefined; this.height = undefined; this.extrudedHeight = undefined; this.granularity = undefined; this.stRotation = undefined; this.numberOfVerticalLines = undefined; this.offsetAttribute = undefined; } /** * A {@link GeometryUpdater} for ellipses. * Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}. * @alias EllipseGeometryUpdater * @constructor * * @param {Entity} entity The entity containing the geometry to be visualized. * @param {Scene} scene The scene where visualization is taking place. */ function EllipseGeometryUpdater(entity, scene) { GroundGeometryUpdater.call(this, { entity : entity, scene : scene, geometryOptions : new EllipseGeometryOptions(entity), geometryPropertyName : 'ellipse', observedPropertyNames : ['availability', 'position', 'ellipse'] }); this._onEntityPropertyChanged(entity, 'ellipse', entity.ellipse, undefined); } if (defined(Object.create)) { EllipseGeometryUpdater.prototype = Object.create(GroundGeometryUpdater.prototype); EllipseGeometryUpdater.prototype.constructor = EllipseGeometryUpdater; } /** * Creates the geometry instance which represents the fill of the geometry. * * @param {JulianDate} time The time to use when retrieving initial attribute values. * @returns {GeometryInstance} The geometry instance representing the filled portion of the geometry. * * @exception {DeveloperError} This instance does not represent a filled geometry. */ EllipseGeometryUpdater.prototype.createFillGeometryInstance = function(time) { //>>includeStart('debug', pragmas.debug); Check.defined('time', time); if (!this._fillEnabled) { throw new DeveloperError('This instance does not represent a filled geometry.'); } //>>includeEnd('debug'); var entity = this._entity; var isAvailable = entity.isAvailable(time); var attributes = { show : new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._fillProperty.getValue(time)), distanceDisplayCondition : DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(this._distanceDisplayConditionProperty.getValue(time)), offset : undefined, color : undefined }; if (this._materialProperty instanceof ColorMaterialProperty) { var currentColor; if (defined(this._materialProperty.color) && (this._materialProperty.color.isConstant || isAvailable)) { currentColor = this._materialProperty.color.getValue(time, scratchColor); } if (!defined(currentColor)) { currentColor = Color.WHITE; } attributes.color = ColorGeometryInstanceAttribute.fromColor(currentColor); } if (defined(this._options.offsetAttribute)) { attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(Property.getValueOrDefault(this._terrainOffsetProperty, time, defaultOffset, offsetScratch)); } return new GeometryInstance({ id : entity, geometry : new EllipseGeometry(this._options), attributes : attributes }); }; /** * Creates the geometry instance which represents the outline of the geometry. * * @param {JulianDate} time The time to use when retrieving initial attribute values. * @returns {GeometryInstance} The geometry instance representing the outline portion of the geometry. * * @exception {DeveloperError} This instance does not represent an outlined geometry. */ EllipseGeometryUpdater.prototype.createOutlineGeometryInstance = function(time) { //>>includeStart('debug', pragmas.debug); Check.defined('time', time); if (!this._outlineEnabled) { throw new DeveloperError('This instance does not represent an outlined geometry.'); } //>>includeEnd('debug'); var entity = this._entity; var isAvailable = entity.isAvailable(time); var outlineColor = Property.getValueOrDefault(this._outlineColorProperty, time, Color.BLACK, scratchColor); var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(time); var attributes = { show : new ShowGeometryInstanceAttribute(isAvailable && entity.isShowing && this._showProperty.getValue(time) && this._showOutlineProperty.getValue(time)), color : ColorGeometryInstanceAttribute.fromColor(outlineColor), distanceDisplayCondition : DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(distanceDisplayCondition), offset : undefined }; if (defined(this._options.offsetAttribute)) { attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(Property.getValueOrDefault(this._terrainOffsetProperty, time, defaultOffset, offsetScratch)); } return new GeometryInstance({ id : entity, geometry : new EllipseOutlineGeometry(this._options), attributes : attributes }); }; EllipseGeometryUpdater.prototype._computeCenter = function(time, result) { return Property.getValueOrUndefined(this._entity.position, time, result); }; EllipseGeometryUpdater.prototype._isHidden = function(entity, ellipse) { var position = entity.position; return !defined(position) || !defined(ellipse.semiMajorAxis) || !defined(ellipse.semiMinorAxis) || GeometryUpdater.prototype._isHidden.call(this, entity, ellipse); }; EllipseGeometryUpdater.prototype._isDynamic = function(entity, ellipse) { return !entity.position.isConstant || // !ellipse.semiMajorAxis.isConstant || // !ellipse.semiMinorAxis.isConstant || // !Property.isConstant(ellipse.rotation) || // !Property.isConstant(ellipse.height) || // !Property.isConstant(ellipse.extrudedHeight) || // !Property.isConstant(ellipse.granularity) || // !Property.isConstant(ellipse.stRotation) || // !Property.isConstant(ellipse.outlineWidth) || // !Property.isConstant(ellipse.numberOfVerticalLines) || // !Property.isConstant(ellipse.zIndex) || // (this._onTerrain && !Property.isConstant(this._materialProperty)); }; EllipseGeometryUpdater.prototype._setStaticOptions = function(entity, ellipse) { var heightValue = Property.getValueOrUndefined(ellipse.height, Iso8601.MINIMUM_VALUE); var heightReferenceValue = Property.getValueOrDefault(ellipse.heightReference, Iso8601.MINIMUM_VALUE, HeightReference.NONE); var extrudedHeightValue = Property.getValueOrUndefined(ellipse.extrudedHeight, Iso8601.MINIMUM_VALUE); var extrudedHeightReferenceValue = Property.getValueOrDefault(ellipse.extrudedHeightReference, Iso8601.MINIMUM_VALUE, HeightReference.NONE); if (defined(extrudedHeightValue) && !defined(heightValue)) { heightValue = 0; } var options = this._options; options.vertexFormat = (this._materialProperty instanceof ColorMaterialProperty) ? PerInstanceColorAppearance.VERTEX_FORMAT : MaterialAppearance.MaterialSupport.TEXTURED.vertexFormat; options.center = entity.position.getValue(Iso8601.MINIMUM_VALUE, options.center); options.semiMajorAxis = ellipse.semiMajorAxis.getValue(Iso8601.MINIMUM_VALUE, options.semiMajorAxis); options.semiMinorAxis = ellipse.semiMinorAxis.getValue(Iso8601.MINIMUM_VALUE, options.semiMinorAxis); options.rotation = Property.getValueOrUndefined(ellipse.rotation, Iso8601.MINIMUM_VALUE); options.granularity = Property.getValueOrUndefined(ellipse.granularity, Iso8601.MINIMUM_VALUE); options.stRotation = Property.getValueOrUndefined(ellipse.stRotation, Iso8601.MINIMUM_VALUE); options.numberOfVerticalLines = Property.getValueOrUndefined(ellipse.numberOfVerticalLines, Iso8601.MINIMUM_VALUE); options.offsetAttribute = GroundGeometryUpdater.computeGeometryOffsetAttribute(heightValue, heightReferenceValue, extrudedHeightValue, extrudedHeightReferenceValue); options.height = GroundGeometryUpdater.getGeometryHeight(heightValue, heightReferenceValue); extrudedHeightValue = GroundGeometryUpdater.getGeometryExtrudedHeight(extrudedHeightValue, extrudedHeightReferenceValue); if (extrudedHeightValue === GroundGeometryUpdater.CLAMP_TO_GROUND) { extrudedHeightValue = ApproximateTerrainHeights.getMinimumMaximumHeights(EllipseGeometry.computeRectangle(options, scratchRectangle)).minimumTerrainHeight; } options.extrudedHeight = extrudedHeightValue; }; EllipseGeometryUpdater.DynamicGeometryUpdater = DynamicEllipseGeometryUpdater; /** * @private */ function DynamicEllipseGeometryUpdater(geometryUpdater, primitives, groundPrimitives) { DynamicGeometryUpdater.call(this, geometryUpdater, primitives, groundPrimitives); } if (defined(Object.create)) { DynamicEllipseGeometryUpdater.prototype = Object.create(DynamicGeometryUpdater.prototype); DynamicEllipseGeometryUpdater.prototype.constructor = DynamicEllipseGeometryUpdater; } DynamicEllipseGeometryUpdater.prototype._isHidden = function(entity, ellipse, time) { var options = this._options; return !defined(options.center) || !defined(options.semiMajorAxis) || !defined(options.semiMinorAxis) || DynamicGeometryUpdater.prototype._isHidden.call(this, entity, ellipse, time); }; DynamicEllipseGeometryUpdater.prototype._setOptions = function(entity, ellipse, time) { var options = this._options; var heightValue = Property.getValueOrUndefined(ellipse.height, time); var heightReferenceValue = Property.getValueOrDefault(ellipse.heightReference, time, HeightReference.NONE); var extrudedHeightValue = Property.getValueOrUndefined(ellipse.extrudedHeight, time); var extrudedHeightReferenceValue = Property.getValueOrDefault(ellipse.extrudedHeightReference, time, HeightReference.NONE); if (defined(extrudedHeightValue) && !defined(heightValue)) { heightValue = 0; } options.center = Property.getValueOrUndefined(entity.position, time, options.center); options.semiMajorAxis = Property.getValueOrUndefined(ellipse.semiMajorAxis, time); options.semiMinorAxis = Property.getValueOrUndefined(ellipse.semiMinorAxis, time); options.rotation = Property.getValueOrUndefined(ellipse.rotation, time); options.granularity = Property.getValueOrUndefined(ellipse.granularity, time); options.stRotation = Property.getValueOrUndefined(ellipse.stRotation, time); options.numberOfVerticalLines = Property.getValueOrUndefined(ellipse.numberOfVerticalLines, time); options.offsetAttribute = GroundGeometryUpdater.computeGeometryOffsetAttribute(heightValue, heightReferenceValue, extrudedHeightValue, extrudedHeightReferenceValue); options.height = GroundGeometryUpdater.getGeometryHeight(heightValue, heightReferenceValue); extrudedHeightValue = GroundGeometryUpdater.getGeometryExtrudedHeight(extrudedHeightValue, extrudedHeightReferenceValue); if (extrudedHeightValue === GroundGeometryUpdater.CLAMP_TO_GROUND) { extrudedHeightValue = ApproximateTerrainHeights.getMinimumMaximumHeights(EllipseGeometry.computeRectangle(options, scratchRectangle)).minimumTerrainHeight; } options.extrudedHeight = extrudedHeightValue; }; export default EllipseGeometryUpdater;