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JavaScript

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 CorridorGeometry from "../Core/CorridorGeometry.js";
import CorridorOutlineGeometry from "../Core/CorridorOutlineGeometry.js";
import defined from "../Core/defined.js";
import DeveloperError from "../Core/DeveloperError.js";
import DistanceDisplayConditionGeometryInstanceAttribute from "../Core/DistanceDisplayConditionGeometryInstanceAttribute.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 CorridorGeometryOptions(entity) {
this.id = entity;
this.vertexFormat = undefined;
this.positions = undefined;
this.width = undefined;
this.cornerType = undefined;
this.height = undefined;
this.extrudedHeight = undefined;
this.granularity = undefined;
this.offsetAttribute = undefined;
}
/**
* A {@link GeometryUpdater} for corridors.
* Clients do not normally create this class directly, but instead rely on {@link DataSourceDisplay}.
* @alias CorridorGeometryUpdater
* @constructor
*
* @param {Entity} entity The entity containing the geometry to be visualized.
* @param {Scene} scene The scene where visualization is taking place.
*/
function CorridorGeometryUpdater(entity, scene) {
GroundGeometryUpdater.call(this, {
entity: entity,
scene: scene,
geometryOptions: new CorridorGeometryOptions(entity),
geometryPropertyName: "corridor",
observedPropertyNames: ["availability", "corridor"],
});
this._onEntityPropertyChanged(entity, "corridor", entity.corridor, undefined);
}
if (defined(Object.create)) {
CorridorGeometryUpdater.prototype = Object.create(
GroundGeometryUpdater.prototype
);
CorridorGeometryUpdater.prototype.constructor = CorridorGeometryUpdater;
}
/**
* 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.
*/
CorridorGeometryUpdater.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 CorridorGeometry(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.
*/
CorridorGeometryUpdater.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 attributes = {
show: new ShowGeometryInstanceAttribute(
isAvailable &&
entity.isShowing &&
this._showProperty.getValue(time) &&
this._showOutlineProperty.getValue(time)
),
color: ColorGeometryInstanceAttribute.fromColor(outlineColor),
distanceDisplayCondition: DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(
this._distanceDisplayConditionProperty.getValue(time)
),
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 CorridorOutlineGeometry(this._options),
attributes: attributes,
});
};
CorridorGeometryUpdater.prototype._computeCenter = function (time, result) {
var positions = Property.getValueOrUndefined(
this._entity.corridor.positions,
time
);
if (!defined(positions) || positions.length === 0) {
return;
}
return Cartesian3.clone(
positions[Math.floor(positions.length / 2.0)],
result
);
};
CorridorGeometryUpdater.prototype._isHidden = function (entity, corridor) {
return (
!defined(corridor.positions) ||
!defined(corridor.width) ||
GeometryUpdater.prototype._isHidden.call(this, entity, corridor)
);
};
CorridorGeometryUpdater.prototype._isDynamic = function (entity, corridor) {
return (
!corridor.positions.isConstant || //
!Property.isConstant(corridor.height) || //
!Property.isConstant(corridor.extrudedHeight) || //
!Property.isConstant(corridor.granularity) || //
!Property.isConstant(corridor.width) || //
!Property.isConstant(corridor.outlineWidth) || //
!Property.isConstant(corridor.cornerType) || //
!Property.isConstant(corridor.zIndex) || //
(this._onTerrain &&
!Property.isConstant(this._materialProperty) &&
!(this._materialProperty instanceof ColorMaterialProperty))
);
};
CorridorGeometryUpdater.prototype._setStaticOptions = function (
entity,
corridor
) {
var heightValue = Property.getValueOrUndefined(
corridor.height,
Iso8601.MINIMUM_VALUE
);
var heightReferenceValue = Property.getValueOrDefault(
corridor.heightReference,
Iso8601.MINIMUM_VALUE,
HeightReference.NONE
);
var extrudedHeightValue = Property.getValueOrUndefined(
corridor.extrudedHeight,
Iso8601.MINIMUM_VALUE
);
var extrudedHeightReferenceValue = Property.getValueOrDefault(
corridor.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.positions = corridor.positions.getValue(
Iso8601.MINIMUM_VALUE,
options.positions
);
options.width = corridor.width.getValue(Iso8601.MINIMUM_VALUE);
options.granularity = Property.getValueOrUndefined(
corridor.granularity,
Iso8601.MINIMUM_VALUE
);
options.cornerType = Property.getValueOrUndefined(
corridor.cornerType,
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(
CorridorGeometry.computeRectangle(options, scratchRectangle)
).minimumTerrainHeight;
}
options.extrudedHeight = extrudedHeightValue;
};
CorridorGeometryUpdater.DynamicGeometryUpdater = DynamicCorridorGeometryUpdater;
/**
* @private
*/
function DynamicCorridorGeometryUpdater(
geometryUpdater,
primitives,
groundPrimitives
) {
DynamicGeometryUpdater.call(
this,
geometryUpdater,
primitives,
groundPrimitives
);
}
if (defined(Object.create)) {
DynamicCorridorGeometryUpdater.prototype = Object.create(
DynamicGeometryUpdater.prototype
);
DynamicCorridorGeometryUpdater.prototype.constructor = DynamicCorridorGeometryUpdater;
}
DynamicCorridorGeometryUpdater.prototype._isHidden = function (
entity,
corridor,
time
) {
var options = this._options;
return (
!defined(options.positions) ||
!defined(options.width) ||
DynamicGeometryUpdater.prototype._isHidden.call(
this,
entity,
corridor,
time
)
);
};
DynamicCorridorGeometryUpdater.prototype._setOptions = function (
entity,
corridor,
time
) {
var options = this._options;
var heightValue = Property.getValueOrUndefined(corridor.height, time);
var heightReferenceValue = Property.getValueOrDefault(
corridor.heightReference,
time,
HeightReference.NONE
);
var extrudedHeightValue = Property.getValueOrUndefined(
corridor.extrudedHeight,
time
);
var extrudedHeightReferenceValue = Property.getValueOrDefault(
corridor.extrudedHeightReference,
time,
HeightReference.NONE
);
if (defined(extrudedHeightValue) && !defined(heightValue)) {
heightValue = 0;
}
options.positions = Property.getValueOrUndefined(corridor.positions, time);
options.width = Property.getValueOrUndefined(corridor.width, time);
options.granularity = Property.getValueOrUndefined(
corridor.granularity,
time
);
options.cornerType = Property.getValueOrUndefined(corridor.cornerType, 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(
CorridorGeometry.computeRectangle(options, scratchRectangle)
).minimumTerrainHeight;
}
options.extrudedHeight = extrudedHeightValue;
};
export default CorridorGeometryUpdater;