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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 | 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 278x 1x 550x 1x 15x 15x 1x 281x 1x 280x 280x 280x 280x 280x 280x 280x 280x 280x 280x 280x 280x | import Frozen from "../Core/Frozen.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} PolylineGraphics.ConstructorOptions
*
* Initialization options for the PolylineGraphics constructor
*
* @property {Property | boolean} [show=true] A boolean Property specifying the visibility of the polyline.
* @property {Property | Cartesian3[]} [positions] A Property specifying the array of {@link Cartesian3} positions that define the line strip.
* @property {Property | number} [width=1.0] A numeric Property specifying the width in pixels.
* @property {Property | number} [granularity=Cesium.Math.RADIANS_PER_DEGREE] A numeric Property specifying the angular distance between each latitude and longitude if arcType is not ArcType.NONE.
* @property {MaterialProperty | Color} [material=Color.WHITE] A Property specifying the material used to draw the polyline.
* @property {MaterialProperty | Color} [depthFailMaterial] A property specifying the material used to draw the polyline when it is below the terrain.
* @property {Property | ArcType} [arcType=ArcType.GEODESIC] The type of line the polyline segments must follow.
* @property {Property | boolean} [clampToGround=false] A boolean Property specifying whether the Polyline should be clamped to the ground.
* @property {Property | ShadowMode} [shadows=ShadowMode.DISABLED] An enum Property specifying whether the polyline casts or receives shadows from light sources.
* @property {Property | DistanceDisplayCondition} [distanceDisplayCondition] A Property specifying at what distance from the camera that this polyline will be displayed.
* @property {Property | ClassificationType} [classificationType=ClassificationType.BOTH] An enum Property specifying whether this polyline will classify terrain, 3D Tiles, or both when on the ground.
* @property {Property | number} [zIndex=0] A Property specifying the zIndex used for ordering ground geometry. Only has an effect if `clampToGround` is true and polylines on terrain is supported.
*/
/**
* Describes a polyline. The first two positions define a line segment,
* and each additional position defines a line segment from the previous position. The segments
* can be linear connected points, great arcs, or clamped to terrain.
*
* @alias PolylineGraphics
* @constructor
*
* @param {PolylineGraphics.ConstructorOptions} [options] Object describing initialization options
*
* @see Entity
* @demo {@link https://sandcastle.cesium.com/index.html?src=Polyline.html|Cesium Sandcastle Polyline Demo}
*/
function PolylineGraphics(options) {
this._definitionChanged = new Event();
this._show = undefined;
this._showSubscription = undefined;
this._positions = undefined;
this._positionsSubscription = undefined;
this._width = undefined;
this._widthSubscription = undefined;
this._granularity = undefined;
this._granularitySubscription = undefined;
this._material = undefined;
this._materialSubscription = undefined;
this._depthFailMaterial = undefined;
this._depthFailMaterialSubscription = undefined;
this._arcType = undefined;
this._arcTypeSubscription = undefined;
this._clampToGround = undefined;
this._clampToGroundSubscription = undefined;
this._shadows = undefined;
this._shadowsSubscription = undefined;
this._distanceDisplayCondition = undefined;
this._distanceDisplayConditionSubscription = undefined;
this._classificationType = undefined;
this._classificationTypeSubscription = undefined;
this._zIndex = undefined;
this._zIndexSubscription = undefined;
this.merge(options ?? Frozen.EMPTY_OBJECT);
}
Object.defineProperties(PolylineGraphics.prototype, {
/**
* Gets the event that is raised whenever a property or sub-property is changed or modified.
* @memberof PolylineGraphics.prototype
*
* @type {Event}
* @readonly
*/
definitionChanged: {
get: function () {
return this._definitionChanged;
},
},
/**
* Gets or sets the boolean Property specifying the visibility of the polyline.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
* @default true
*/
show: createPropertyDescriptor("show"),
/**
* Gets or sets the Property specifying the array of {@link Cartesian3}
* positions that define the line strip.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
*/
positions: createPropertyDescriptor("positions"),
/**
* Gets or sets the numeric Property specifying the width in pixels.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
* @default 1.0
*/
width: createPropertyDescriptor("width"),
/**
* Gets or sets the numeric Property specifying the angular distance between each latitude and longitude if arcType is not ArcType.NONE and clampToGround is false.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
* @default Cesium.Math.RADIANS_PER_DEGREE
*/
granularity: createPropertyDescriptor("granularity"),
/**
* Gets or sets the Property specifying the material used to draw the polyline.
* @memberof PolylineGraphics.prototype
* @type {MaterialProperty}
* @default Color.WHITE
*/
material: createMaterialPropertyDescriptor("material"),
/**
* Gets or sets the Property specifying the material used to draw the polyline when it fails the depth test.
* <p>
* Requires the EXT_frag_depth WebGL extension to render properly. If the extension is not supported,
* there may be artifacts.
* </p>
* @memberof PolylineGraphics.prototype
* @type {MaterialProperty}
* @default undefined
*/
depthFailMaterial: createMaterialPropertyDescriptor("depthFailMaterial"),
/**
* Gets or sets the {@link ArcType} Property specifying whether the line segments should be great arcs, rhumb lines or linearly connected.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
* @default ArcType.GEODESIC
*/
arcType: createPropertyDescriptor("arcType"),
/**
* Gets or sets the boolean Property specifying whether the polyline
* should be clamped to the ground.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
* @default false
*/
clampToGround: createPropertyDescriptor("clampToGround"),
/**
* Get or sets the enum Property specifying whether the polyline
* casts or receives shadows from light sources.
* @memberof PolylineGraphics.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 polyline will be displayed.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
*/
distanceDisplayCondition: createPropertyDescriptor(
"distanceDisplayCondition",
),
/**
* Gets or sets the {@link ClassificationType} Property specifying whether this polyline will classify terrain, 3D Tiles, or both when on the ground.
* @memberof PolylineGraphics.prototype
* @type {Property|undefined}
* @default ClassificationType.BOTH
*/
classificationType: createPropertyDescriptor("classificationType"),
/**
* Gets or sets the zIndex Property specifying the ordering of the polyline. Only has an effect if `clampToGround` is true and polylines on terrain is supported.
* @memberof PolylineGraphics.prototype
* @type {ConstantProperty|undefined}
* @default 0
*/
zIndex: createPropertyDescriptor("zIndex"),
});
/**
* Duplicates this instance.
*
* @param {PolylineGraphics} [result] The object onto which to store the result.
* @returns {PolylineGraphics} The modified result parameter or a new instance if one was not provided.
*/
PolylineGraphics.prototype.clone = function (result) {
Eif (!defined(result)) {
return new PolylineGraphics(this);
}
result.show = this.show;
result.positions = this.positions;
result.width = this.width;
result.granularity = this.granularity;
result.material = this.material;
result.depthFailMaterial = this.depthFailMaterial;
result.arcType = this.arcType;
result.clampToGround = this.clampToGround;
result.shadows = this.shadows;
result.distanceDisplayCondition = this.distanceDisplayCondition;
result.classificationType = this.classificationType;
result.zIndex = this.zIndex;
return result;
};
/**
* Assigns each unassigned property on this object to the value
* of the same property on the provided source object.
*
* @param {PolylineGraphics} source The object to be merged into this object.
*/
PolylineGraphics.prototype.merge = function (source) {
//>>includeStart('debug', pragmas.debug);
if (!defined(source)) {
throw new DeveloperError("source is required.");
}
//>>includeEnd('debug');
this.show = this.show ?? source.show;
this.positions = this.positions ?? source.positions;
this.width = this.width ?? source.width;
this.granularity = this.granularity ?? source.granularity;
this.material = this.material ?? source.material;
this.depthFailMaterial = this.depthFailMaterial ?? source.depthFailMaterial;
this.arcType = this.arcType ?? source.arcType;
this.clampToGround = this.clampToGround ?? source.clampToGround;
this.shadows = this.shadows ?? source.shadows;
this.distanceDisplayCondition =
this.distanceDisplayCondition ?? source.distanceDisplayCondition;
this.classificationType =
this.classificationType ?? source.classificationType;
this.zIndex = this.zIndex ?? source.zIndex;
};
export default PolylineGraphics;
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