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565 lines
17 KiB
JavaScript
565 lines
17 KiB
JavaScript
import ApproximateTerrainHeights from "../Core/ApproximateTerrainHeights.js";
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import ArcType from "../Core/ArcType.js";
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import Cartesian2 from "../Core/Cartesian2.js";
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import Cartesian3 from "../Core/Cartesian3.js";
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import Check from "../Core/Check.js";
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import Color from "../Core/Color.js";
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import ColorGeometryInstanceAttribute from "../Core/ColorGeometryInstanceAttribute.js";
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import CoplanarPolygonGeometry from "../Core/CoplanarPolygonGeometry.js";
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import CoplanarPolygonOutlineGeometry from "../Core/CoplanarPolygonOutlineGeometry.js";
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import defined from "../Core/defined.js";
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import DeveloperError from "../Core/DeveloperError.js";
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import DistanceDisplayConditionGeometryInstanceAttribute from "../Core/DistanceDisplayConditionGeometryInstanceAttribute.js";
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import EllipsoidTangentPlane from "../Core/EllipsoidTangentPlane.js";
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import GeometryInstance from "../Core/GeometryInstance.js";
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import Iso8601 from "../Core/Iso8601.js";
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import OffsetGeometryInstanceAttribute from "../Core/OffsetGeometryInstanceAttribute.js";
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import oneTimeWarning from "../Core/oneTimeWarning.js";
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import PolygonGeometry from "../Core/PolygonGeometry.js";
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import PolygonOutlineGeometry from "../Core/PolygonOutlineGeometry.js";
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import Rectangle from "../Core/Rectangle.js";
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import ShowGeometryInstanceAttribute from "../Core/ShowGeometryInstanceAttribute.js";
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import HeightReference from "../Scene/HeightReference.js";
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import MaterialAppearance from "../Scene/MaterialAppearance.js";
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import PerInstanceColorAppearance from "../Scene/PerInstanceColorAppearance.js";
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import ColorMaterialProperty from "./ColorMaterialProperty.js";
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import DynamicGeometryUpdater from "./DynamicGeometryUpdater.js";
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import GeometryUpdater from "./GeometryUpdater.js";
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import GroundGeometryUpdater from "./GroundGeometryUpdater.js";
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import Property from "./Property.js";
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var heightAndPerPositionHeightWarning =
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"Entity polygons cannot have both height and perPositionHeight. height will be ignored";
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var heightReferenceAndPerPositionHeightWarning =
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"heightReference is not supported for entity polygons with perPositionHeight. heightReference will be ignored";
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var scratchColor = new Color();
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var defaultOffset = Cartesian3.ZERO;
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var offsetScratch = new Cartesian3();
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var scratchRectangle = new Rectangle();
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var scratch2DPositions = [];
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var cart2Scratch = new Cartesian2();
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function PolygonGeometryOptions(entity) {
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this.id = entity;
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this.vertexFormat = undefined;
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this.polygonHierarchy = undefined;
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this.perPositionHeight = undefined;
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this.closeTop = undefined;
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this.closeBottom = undefined;
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this.height = undefined;
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this.extrudedHeight = undefined;
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this.granularity = undefined;
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this.stRotation = undefined;
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this.offsetAttribute = undefined;
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this.arcType = undefined;
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}
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/**
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* A {@link GeometryUpdater} for polygons.
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* Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}.
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* @alias PolygonGeometryUpdater
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* @constructor
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*
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* @param {Entity} entity The entity containing the geometry to be visualized.
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* @param {Scene} scene The scene where visualization is taking place.
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*/
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function PolygonGeometryUpdater(entity, scene) {
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GroundGeometryUpdater.call(this, {
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entity: entity,
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scene: scene,
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geometryOptions: new PolygonGeometryOptions(entity),
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geometryPropertyName: "polygon",
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observedPropertyNames: ["availability", "polygon"],
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});
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this._onEntityPropertyChanged(entity, "polygon", entity.polygon, undefined);
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}
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if (defined(Object.create)) {
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PolygonGeometryUpdater.prototype = Object.create(
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GroundGeometryUpdater.prototype
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);
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PolygonGeometryUpdater.prototype.constructor = PolygonGeometryUpdater;
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}
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/**
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* Creates the geometry instance which represents the fill of the geometry.
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*
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* @param {JulianDate} time The time to use when retrieving initial attribute values.
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* @returns {GeometryInstance} The geometry instance representing the filled portion of the geometry.
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*
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* @exception {DeveloperError} This instance does not represent a filled geometry.
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*/
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PolygonGeometryUpdater.prototype.createFillGeometryInstance = function (time) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("time", time);
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if (!this._fillEnabled) {
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throw new DeveloperError(
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"This instance does not represent a filled geometry."
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);
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}
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//>>includeEnd('debug');
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var entity = this._entity;
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var isAvailable = entity.isAvailable(time);
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var options = this._options;
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var attributes = {
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show: new ShowGeometryInstanceAttribute(
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isAvailable &&
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entity.isShowing &&
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this._showProperty.getValue(time) &&
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this._fillProperty.getValue(time)
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),
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distanceDisplayCondition: DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(
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this._distanceDisplayConditionProperty.getValue(time)
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),
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offset: undefined,
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color: undefined,
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};
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if (this._materialProperty instanceof ColorMaterialProperty) {
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var currentColor;
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if (
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defined(this._materialProperty.color) &&
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(this._materialProperty.color.isConstant || isAvailable)
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) {
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currentColor = this._materialProperty.color.getValue(time, scratchColor);
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}
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if (!defined(currentColor)) {
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currentColor = Color.WHITE;
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}
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attributes.color = ColorGeometryInstanceAttribute.fromColor(currentColor);
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}
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if (defined(options.offsetAttribute)) {
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attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(
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Property.getValueOrDefault(
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this._terrainOffsetProperty,
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time,
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defaultOffset,
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offsetScratch
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)
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);
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}
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var geometry;
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if (options.perPositionHeight && !defined(options.extrudedHeight)) {
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geometry = new CoplanarPolygonGeometry(options);
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} else {
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geometry = new PolygonGeometry(options);
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}
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return new GeometryInstance({
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id: entity,
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geometry: geometry,
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attributes: attributes,
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});
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};
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/**
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* Creates the geometry instance which represents the outline of the geometry.
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*
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* @param {JulianDate} time The time to use when retrieving initial attribute values.
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* @returns {GeometryInstance} The geometry instance representing the outline portion of the geometry.
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*
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* @exception {DeveloperError} This instance does not represent an outlined geometry.
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*/
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PolygonGeometryUpdater.prototype.createOutlineGeometryInstance = function (
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time
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) {
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//>>includeStart('debug', pragmas.debug);
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Check.defined("time", time);
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if (!this._outlineEnabled) {
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throw new DeveloperError(
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"This instance does not represent an outlined geometry."
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);
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}
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//>>includeEnd('debug');
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var entity = this._entity;
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var isAvailable = entity.isAvailable(time);
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var options = this._options;
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var outlineColor = Property.getValueOrDefault(
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this._outlineColorProperty,
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time,
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Color.BLACK,
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scratchColor
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);
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var distanceDisplayCondition = this._distanceDisplayConditionProperty.getValue(
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time
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);
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var attributes = {
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show: new ShowGeometryInstanceAttribute(
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isAvailable &&
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entity.isShowing &&
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this._showProperty.getValue(time) &&
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this._showOutlineProperty.getValue(time)
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),
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color: ColorGeometryInstanceAttribute.fromColor(outlineColor),
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distanceDisplayCondition: DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(
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distanceDisplayCondition
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),
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offset: undefined,
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};
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if (defined(options.offsetAttribute)) {
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attributes.offset = OffsetGeometryInstanceAttribute.fromCartesian3(
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Property.getValueOrDefault(
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this._terrainOffsetProperty,
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time,
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defaultOffset,
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offsetScratch
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)
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);
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}
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var geometry;
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if (options.perPositionHeight && !defined(options.extrudedHeight)) {
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geometry = new CoplanarPolygonOutlineGeometry(options);
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} else {
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geometry = new PolygonOutlineGeometry(options);
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}
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return new GeometryInstance({
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id: entity,
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geometry: geometry,
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attributes: attributes,
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});
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};
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PolygonGeometryUpdater.prototype._computeCenter = function (time, result) {
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var hierarchy = Property.getValueOrUndefined(
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this._entity.polygon.hierarchy,
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time
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);
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if (!defined(hierarchy)) {
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return;
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}
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var positions = hierarchy.positions;
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if (positions.length === 0) {
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return;
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}
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var ellipsoid = this._scene.mapProjection.ellipsoid;
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var tangentPlane = EllipsoidTangentPlane.fromPoints(positions, ellipsoid);
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var positions2D = tangentPlane.projectPointsOntoPlane(
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positions,
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scratch2DPositions
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);
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var length = positions2D.length;
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var area = 0;
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var j = length - 1;
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var centroid2D = new Cartesian2();
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for (var i = 0; i < length; j = i++) {
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var p1 = positions2D[i];
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var p2 = positions2D[j];
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var f = p1.x * p2.y - p2.x * p1.y;
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var sum = Cartesian2.add(p1, p2, cart2Scratch);
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sum = Cartesian2.multiplyByScalar(sum, f, sum);
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centroid2D = Cartesian2.add(centroid2D, sum, centroid2D);
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area += f;
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}
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var a = 1.0 / (area * 3.0);
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centroid2D = Cartesian2.multiplyByScalar(centroid2D, a, centroid2D);
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return tangentPlane.projectPointOntoEllipsoid(centroid2D, result);
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};
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PolygonGeometryUpdater.prototype._isHidden = function (entity, polygon) {
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return (
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!defined(polygon.hierarchy) ||
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GeometryUpdater.prototype._isHidden.call(this, entity, polygon)
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);
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};
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PolygonGeometryUpdater.prototype._isOnTerrain = function (entity, polygon) {
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var onTerrain = GroundGeometryUpdater.prototype._isOnTerrain.call(
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this,
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entity,
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polygon
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);
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var perPositionHeightProperty = polygon.perPositionHeight;
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var perPositionHeightEnabled =
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defined(perPositionHeightProperty) &&
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(perPositionHeightProperty.isConstant
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? perPositionHeightProperty.getValue(Iso8601.MINIMUM_VALUE)
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: true);
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return onTerrain && !perPositionHeightEnabled;
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};
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PolygonGeometryUpdater.prototype._isDynamic = function (entity, polygon) {
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return (
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!polygon.hierarchy.isConstant || //
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!Property.isConstant(polygon.height) || //
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!Property.isConstant(polygon.extrudedHeight) || //
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!Property.isConstant(polygon.granularity) || //
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!Property.isConstant(polygon.stRotation) || //
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!Property.isConstant(polygon.outlineWidth) || //
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!Property.isConstant(polygon.perPositionHeight) || //
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!Property.isConstant(polygon.closeTop) || //
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!Property.isConstant(polygon.closeBottom) || //
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!Property.isConstant(polygon.zIndex) || //
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!Property.isConstant(polygon.arcType) || //
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(this._onTerrain &&
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!Property.isConstant(this._materialProperty) &&
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!(this._materialProperty instanceof ColorMaterialProperty))
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);
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};
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PolygonGeometryUpdater.prototype._setStaticOptions = function (
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entity,
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polygon
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) {
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var isColorMaterial = this._materialProperty instanceof ColorMaterialProperty;
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var options = this._options;
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options.vertexFormat = isColorMaterial
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? PerInstanceColorAppearance.VERTEX_FORMAT
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: MaterialAppearance.MaterialSupport.TEXTURED.vertexFormat;
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var hierarchyValue = polygon.hierarchy.getValue(Iso8601.MINIMUM_VALUE);
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var heightValue = Property.getValueOrUndefined(
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polygon.height,
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Iso8601.MINIMUM_VALUE
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);
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var heightReferenceValue = Property.getValueOrDefault(
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polygon.heightReference,
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Iso8601.MINIMUM_VALUE,
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HeightReference.NONE
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);
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var extrudedHeightValue = Property.getValueOrUndefined(
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polygon.extrudedHeight,
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Iso8601.MINIMUM_VALUE
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);
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var extrudedHeightReferenceValue = Property.getValueOrDefault(
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polygon.extrudedHeightReference,
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Iso8601.MINIMUM_VALUE,
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HeightReference.NONE
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);
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var perPositionHeightValue = Property.getValueOrDefault(
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polygon.perPositionHeight,
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Iso8601.MINIMUM_VALUE,
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false
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);
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heightValue = GroundGeometryUpdater.getGeometryHeight(
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heightValue,
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heightReferenceValue
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);
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var offsetAttribute;
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if (perPositionHeightValue) {
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if (defined(heightValue)) {
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heightValue = undefined;
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oneTimeWarning(heightAndPerPositionHeightWarning);
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}
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if (
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heightReferenceValue !== HeightReference.NONE &&
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perPositionHeightValue
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) {
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heightValue = undefined;
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oneTimeWarning(heightReferenceAndPerPositionHeightWarning);
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}
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} else {
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if (defined(extrudedHeightValue) && !defined(heightValue)) {
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heightValue = 0;
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}
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offsetAttribute = GroundGeometryUpdater.computeGeometryOffsetAttribute(
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heightValue,
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heightReferenceValue,
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extrudedHeightValue,
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extrudedHeightReferenceValue
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);
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}
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options.polygonHierarchy = hierarchyValue;
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options.granularity = Property.getValueOrUndefined(
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polygon.granularity,
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Iso8601.MINIMUM_VALUE
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);
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options.stRotation = Property.getValueOrUndefined(
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polygon.stRotation,
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Iso8601.MINIMUM_VALUE
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);
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options.perPositionHeight = perPositionHeightValue;
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options.closeTop = Property.getValueOrDefault(
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polygon.closeTop,
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Iso8601.MINIMUM_VALUE,
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true
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);
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options.closeBottom = Property.getValueOrDefault(
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polygon.closeBottom,
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Iso8601.MINIMUM_VALUE,
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true
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);
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options.offsetAttribute = offsetAttribute;
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options.height = heightValue;
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options.arcType = Property.getValueOrDefault(
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polygon.arcType,
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Iso8601.MINIMUM_VALUE,
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ArcType.GEODESIC
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);
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extrudedHeightValue = GroundGeometryUpdater.getGeometryExtrudedHeight(
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extrudedHeightValue,
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extrudedHeightReferenceValue
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);
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if (extrudedHeightValue === GroundGeometryUpdater.CLAMP_TO_GROUND) {
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extrudedHeightValue = ApproximateTerrainHeights.getMinimumMaximumHeights(
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PolygonGeometry.computeRectangle(options, scratchRectangle)
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).minimumTerrainHeight;
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}
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options.extrudedHeight = extrudedHeightValue;
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};
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PolygonGeometryUpdater.prototype._getIsClosed = function (options) {
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var height = options.height;
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var extrudedHeight = options.extrudedHeight;
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var isExtruded = defined(extrudedHeight) && extrudedHeight !== height;
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return (
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!options.perPositionHeight &&
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((!isExtruded && height === 0) ||
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(isExtruded && options.closeTop && options.closeBottom))
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);
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};
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PolygonGeometryUpdater.DynamicGeometryUpdater = DyanmicPolygonGeometryUpdater;
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/**
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* @private
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*/
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function DyanmicPolygonGeometryUpdater(
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geometryUpdater,
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primitives,
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groundPrimitives
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) {
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DynamicGeometryUpdater.call(
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this,
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geometryUpdater,
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primitives,
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groundPrimitives
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);
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}
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if (defined(Object.create)) {
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DyanmicPolygonGeometryUpdater.prototype = Object.create(
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DynamicGeometryUpdater.prototype
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);
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DyanmicPolygonGeometryUpdater.prototype.constructor = DyanmicPolygonGeometryUpdater;
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}
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DyanmicPolygonGeometryUpdater.prototype._isHidden = function (
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entity,
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polygon,
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time
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) {
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return (
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!defined(this._options.polygonHierarchy) ||
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DynamicGeometryUpdater.prototype._isHidden.call(this, entity, polygon, time)
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);
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};
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DyanmicPolygonGeometryUpdater.prototype._setOptions = function (
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entity,
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polygon,
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time
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) {
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var options = this._options;
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|
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options.polygonHierarchy = Property.getValueOrUndefined(
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polygon.hierarchy,
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time
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);
|
|
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var heightValue = Property.getValueOrUndefined(polygon.height, time);
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var heightReferenceValue = Property.getValueOrDefault(
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polygon.heightReference,
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time,
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HeightReference.NONE
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);
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|
var extrudedHeightReferenceValue = Property.getValueOrDefault(
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polygon.extrudedHeightReference,
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time,
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|
HeightReference.NONE
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);
|
|
var extrudedHeightValue = Property.getValueOrUndefined(
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polygon.extrudedHeight,
|
|
time
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|
);
|
|
var perPositionHeightValue = Property.getValueOrUndefined(
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polygon.perPositionHeight,
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time
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);
|
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heightValue = GroundGeometryUpdater.getGeometryHeight(
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heightValue,
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extrudedHeightReferenceValue
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);
|
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|
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var offsetAttribute;
|
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if (perPositionHeightValue) {
|
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if (defined(heightValue)) {
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heightValue = undefined;
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oneTimeWarning(heightAndPerPositionHeightWarning);
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}
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if (
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heightReferenceValue !== HeightReference.NONE &&
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perPositionHeightValue
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) {
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heightValue = undefined;
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oneTimeWarning(heightReferenceAndPerPositionHeightWarning);
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}
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} else {
|
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if (defined(extrudedHeightValue) && !defined(heightValue)) {
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heightValue = 0;
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}
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offsetAttribute = GroundGeometryUpdater.computeGeometryOffsetAttribute(
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heightValue,
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heightReferenceValue,
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extrudedHeightValue,
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extrudedHeightReferenceValue
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);
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}
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options.granularity = Property.getValueOrUndefined(polygon.granularity, time);
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options.stRotation = Property.getValueOrUndefined(polygon.stRotation, time);
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options.perPositionHeight = Property.getValueOrUndefined(
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polygon.perPositionHeight,
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time
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);
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options.closeTop = Property.getValueOrDefault(polygon.closeTop, time, true);
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|
options.closeBottom = Property.getValueOrDefault(
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polygon.closeBottom,
|
|
time,
|
|
true
|
|
);
|
|
options.offsetAttribute = offsetAttribute;
|
|
options.height = heightValue;
|
|
options.arcType = Property.getValueOrDefault(
|
|
polygon.arcType,
|
|
time,
|
|
ArcType.GEODESIC
|
|
);
|
|
|
|
extrudedHeightValue = GroundGeometryUpdater.getGeometryExtrudedHeight(
|
|
extrudedHeightValue,
|
|
extrudedHeightReferenceValue
|
|
);
|
|
if (extrudedHeightValue === GroundGeometryUpdater.CLAMP_TO_GROUND) {
|
|
extrudedHeightValue = ApproximateTerrainHeights.getMinimumMaximumHeights(
|
|
PolygonGeometry.computeRectangle(options, scratchRectangle)
|
|
).minimumTerrainHeight;
|
|
}
|
|
|
|
options.extrudedHeight = extrudedHeightValue;
|
|
};
|
|
export default PolygonGeometryUpdater;
|