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JavaScript

import defaultValue from "../Core/defaultValue.js";
import defined from "../Core/defined.js";
import DeveloperError from "../Core/DeveloperError.js";
import Event from "../Core/Event.js";
import createMaterialPropertyDescriptor from "./createMaterialPropertyDescriptor.js";
import createPropertyDescriptor from "./createPropertyDescriptor.js";
/**
* @typedef {Object} PolylineVolumeGraphics.ConstructorOptions
*
* Initialization options for the PolylineVolumeGraphics constructor
*
* @property {Property | boolean} [show=true] A boolean Property specifying the visibility of the volume.
* @property {Property | Array<Cartesian3>} [positions] A Property specifying the array of {@link Cartesian3} positions which define the line strip.
* @property {Property | Array<Cartesian2>} [shape] A Property specifying the array of {@link Cartesian2} positions which define the shape to be extruded.
* @property {Property | CornerType} [cornerType=CornerType.ROUNDED] A {@link CornerType} Property specifying the style of the corners.
* @property {Property | number} [granularity=Cesium.Math.RADIANS_PER_DEGREE] A numeric Property specifying the angular distance between each latitude and longitude point.
* @property {Property | boolean} [fill=true] A boolean Property specifying whether the volume is filled with the provided material.
* @property {MaterialProperty | Color} [material=Color.WHITE] A Property specifying the material used to fill the volume.
* @property {Property | boolean} [outline=false] A boolean Property specifying whether the volume is outlined.
* @property {Property | Color} [outlineColor=Color.BLACK] A Property specifying the {@link Color} of the outline.
* @property {Property | number} [outlineWidth=1.0] A numeric Property specifying the width of the outline.
* @property {Property | ShadowMode} [shadows=ShadowMode.DISABLED] An enum Property specifying whether the volume casts or receives shadows from light sources.
* @property {Property | DistanceDisplayCondition} [distanceDisplayCondition] A Property specifying at what distance from the camera that this volume will be displayed.
*/
/**
* Describes a polyline volume defined as a line strip and corresponding two dimensional shape which is extruded along it.
* The resulting volume conforms to the curvature of the globe.
*
* @alias PolylineVolumeGraphics
* @constructor
*
* @param {PolylineVolumeGraphics.ConstructorOptions} [options] Object describing initialization options
*
* @see Entity
* @demo {@link https://sandcastle.cesium.com/index.html?src=Polyline%20Volume.html|Cesium Sandcastle Polyline Volume Demo}
*/
function PolylineVolumeGraphics(options) {
this._definitionChanged = new Event();
this._show = undefined;
this._showSubscription = undefined;
this._positions = undefined;
this._positionsSubscription = undefined;
this._shape = undefined;
this._shapeSubscription = undefined;
this._cornerType = undefined;
this._cornerTypeSubscription = undefined;
this._granularity = undefined;
this._granularitySubscription = undefined;
this._fill = undefined;
this._fillSubscription = undefined;
this._material = undefined;
this._materialSubscription = undefined;
this._outline = undefined;
this._outlineSubscription = undefined;
this._outlineColor = undefined;
this._outlineColorSubscription = undefined;
this._outlineWidth = undefined;
this._outlineWidthSubscription = undefined;
this._shadows = undefined;
this._shadowsSubscription = undefined;
this._distanceDisplayCondition = undefined;
this._distanceDisplayConditionSubsription = undefined;
this.merge(defaultValue(options, defaultValue.EMPTY_OBJECT));
}
Object.defineProperties(PolylineVolumeGraphics.prototype, {
/**
* Gets the event that is raised whenever a property or sub-property is changed or modified.
* @memberof PolylineVolumeGraphics.prototype
*
* @type {Event}
* @readonly
*/
definitionChanged: {
get: function () {
return this._definitionChanged;
},
},
/**
* Gets or sets the boolean Property specifying the visibility of the volume.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default true
*/
show: createPropertyDescriptor("show"),
/**
* Gets or sets the Property specifying the array of {@link Cartesian3} positions which define the line strip.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
*/
positions: createPropertyDescriptor("positions"),
/**
* Gets or sets the Property specifying the array of {@link Cartesian2} positions which define the shape to be extruded.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
*/
shape: createPropertyDescriptor("shape"),
/**
* Gets or sets the {@link CornerType} Property specifying the style of the corners.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default CornerType.ROUNDED
*/
cornerType: createPropertyDescriptor("cornerType"),
/**
* Gets or sets the numeric Property specifying the angular distance between points on the volume.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default {CesiumMath.RADIANS_PER_DEGREE}
*/
granularity: createPropertyDescriptor("granularity"),
/**
* Gets or sets the boolean Property specifying whether the volume is filled with the provided material.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default true
*/
fill: createPropertyDescriptor("fill"),
/**
* Gets or sets the Property specifying the material used to fill the volume.
* @memberof PolylineVolumeGraphics.prototype
* @type {MaterialProperty}
* @default Color.WHITE
*/
material: createMaterialPropertyDescriptor("material"),
/**
* Gets or sets the Property specifying whether the volume is outlined.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default false
*/
outline: createPropertyDescriptor("outline"),
/**
* Gets or sets the Property specifying the {@link Color} of the outline.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default Color.BLACK
*/
outlineColor: createPropertyDescriptor("outlineColor"),
/**
* Gets or sets the numeric Property specifying the width of the outline.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default 1.0
*/
outlineWidth: createPropertyDescriptor("outlineWidth"),
/**
* Get or sets the enum Property specifying whether the volume
* casts or receives shadows from light sources.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
* @default ShadowMode.DISABLED
*/
shadows: createPropertyDescriptor("shadows"),
/**
* Gets or sets the {@link DistanceDisplayCondition} Property specifying at what distance from the camera that this volume will be displayed.
* @memberof PolylineVolumeGraphics.prototype
* @type {Property|undefined}
*/
distanceDisplayCondition: createPropertyDescriptor(
"distanceDisplayCondition"
),
});
/**
* Duplicates this instance.
*
* @param {PolylineVolumeGraphics} [result] The object onto which to store the result.
* @returns {PolylineVolumeGraphics} The modified result parameter or a new instance if one was not provided.
*/
PolylineVolumeGraphics.prototype.clone = function (result) {
if (!defined(result)) {
return new PolylineVolumeGraphics(this);
}
result.show = this.show;
result.positions = this.positions;
result.shape = this.shape;
result.cornerType = this.cornerType;
result.granularity = this.granularity;
result.fill = this.fill;
result.material = this.material;
result.outline = this.outline;
result.outlineColor = this.outlineColor;
result.outlineWidth = this.outlineWidth;
result.shadows = this.shadows;
result.distanceDisplayCondition = this.distanceDisplayCondition;
return result;
};
/**
* Assigns each unassigned property on this object to the value
* of the same property on the provided source object.
*
* @param {PolylineVolumeGraphics} source The object to be merged into this object.
*/
PolylineVolumeGraphics.prototype.merge = function (source) {
//>>includeStart('debug', pragmas.debug);
if (!defined(source)) {
throw new DeveloperError("source is required.");
}
//>>includeEnd('debug');
this.show = defaultValue(this.show, source.show);
this.positions = defaultValue(this.positions, source.positions);
this.shape = defaultValue(this.shape, source.shape);
this.cornerType = defaultValue(this.cornerType, source.cornerType);
this.granularity = defaultValue(this.granularity, source.granularity);
this.fill = defaultValue(this.fill, source.fill);
this.material = defaultValue(this.material, source.material);
this.outline = defaultValue(this.outline, source.outline);
this.outlineColor = defaultValue(this.outlineColor, source.outlineColor);
this.outlineWidth = defaultValue(this.outlineWidth, source.outlineWidth);
this.shadows = defaultValue(this.shadows, source.shadows);
this.distanceDisplayCondition = defaultValue(
this.distanceDisplayCondition,
source.distanceDisplayCondition
);
};
export default PolylineVolumeGraphics;