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/**
* Cesium - https://github.com/CesiumGS/cesium
*
* Copyright 2011-2020 Cesium Contributors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Columbus View (Pat. Pend.)
*
* Portions licensed separately.
* See https://github.com/CesiumGS/cesium/blob/master/LICENSE.md for full licensing details.
*/
define(['./when-8d13db60', './Check-70bec281', './Math-61ede240', './Cartographic-f2a06374', './Cartesian2-16a61632', './BoundingSphere-d018a565', './Cartesian4-5af5bb24', './RuntimeError-ba10bc3e', './WebGLConstants-4c11ee5f', './ComponentDatatype-5862616f', './GeometryAttribute-1e248a71', './PrimitiveType-97893bc7', './FeatureDetection-7bd32c34', './Transforms-cd52cbaf', './buildModuleUrl-e7952659', './GeometryAttributes-aacecde6', './AttributeCompression-c177f997', './GeometryPipeline-30473267', './EncodedCartesian3-a07a0929', './IndexDatatype-9435b55f', './IntersectionTests-813bb943', './Plane-aa6c3ce5', './arrayFill-9766fb2e', './GeometryOffsetAttribute-999fc023', './GeometryInstance-e632d44a', './arrayRemoveDuplicates-2869246d', './EllipsoidTangentPlane-33ed15f1', './ArcType-66bc286a', './EllipsoidRhumbLine-87f26cac', './earcut-2.2.1-b404d9e6', './PolygonPipeline-01a00202', './PolygonGeometryLibrary-0b6ce984'], function (when, Check, _Math, Cartographic, Cartesian2, BoundingSphere, Cartesian4, RuntimeError, WebGLConstants, ComponentDatatype, GeometryAttribute, PrimitiveType, FeatureDetection, Transforms, buildModuleUrl, GeometryAttributes, AttributeCompression, GeometryPipeline, EncodedCartesian3, IndexDatatype, IntersectionTests, Plane, arrayFill, GeometryOffsetAttribute, GeometryInstance, arrayRemoveDuplicates, EllipsoidTangentPlane, ArcType, EllipsoidRhumbLine, earcut2_2_1, PolygonPipeline, PolygonGeometryLibrary) { 'use strict';
var createGeometryFromPositionsPositions = [];
var createGeometryFromPositionsSubdivided = [];
function createGeometryFromPositions(ellipsoid, positions, minDistance, perPositionHeight, arcType) {
var tangentPlane = EllipsoidTangentPlane.EllipsoidTangentPlane.fromPoints(positions, ellipsoid);
var positions2D = tangentPlane.projectPointsOntoPlane(positions, createGeometryFromPositionsPositions);
var originalWindingOrder = PolygonPipeline.PolygonPipeline.computeWindingOrder2D(positions2D);
if (originalWindingOrder === PolygonPipeline.WindingOrder.CLOCKWISE) {
positions2D.reverse();
positions = positions.slice().reverse();
}
var subdividedPositions;
var i;
var length = positions.length;
var index = 0;
if (!perPositionHeight) {
var numVertices = 0;
if (arcType === ArcType.ArcType.GEODESIC) {
for (i = 0; i < length; i++) {
numVertices += PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideLineCount(positions[i], positions[(i + 1) % length], minDistance);
}
} else if (arcType === ArcType.ArcType.RHUMB) {
for (i = 0; i < length; i++) {
numVertices += PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideRhumbLineCount(ellipsoid, positions[i], positions[(i + 1) % length], minDistance);
}
}
subdividedPositions = new Float64Array(numVertices * 3);
for (i = 0; i < length; i++) {
var tempPositions;
if (arcType === ArcType.ArcType.GEODESIC) {
tempPositions = PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideLine(positions[i], positions[(i + 1) % length], minDistance, createGeometryFromPositionsSubdivided);
} else if (arcType === ArcType.ArcType.RHUMB) {
tempPositions = PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideRhumbLine(ellipsoid, positions[i], positions[(i + 1) % length], minDistance, createGeometryFromPositionsSubdivided);
}
var tempPositionsLength = tempPositions.length;
for (var j = 0; j < tempPositionsLength; ++j) {
subdividedPositions[index++] = tempPositions[j];
}
}
} else {
subdividedPositions = new Float64Array(length * 2 * 3);
for (i = 0; i < length; i++) {
var p0 = positions[i];
var p1 = positions[(i + 1) % length];
subdividedPositions[index++] = p0.x;
subdividedPositions[index++] = p0.y;
subdividedPositions[index++] = p0.z;
subdividedPositions[index++] = p1.x;
subdividedPositions[index++] = p1.y;
subdividedPositions[index++] = p1.z;
}
}
length = subdividedPositions.length / 3;
var indicesSize = length * 2;
var indices = IndexDatatype.IndexDatatype.createTypedArray(length, indicesSize);
index = 0;
for (i = 0; i < length - 1; i++) {
indices[index++] = i;
indices[index++] = i + 1;
}
indices[index++] = length - 1;
indices[index++] = 0;
return new GeometryInstance.GeometryInstance({
geometry : new GeometryAttribute.Geometry({
attributes : new GeometryAttributes.GeometryAttributes({
position : new GeometryAttribute.GeometryAttribute({
componentDatatype : ComponentDatatype.ComponentDatatype.DOUBLE,
componentsPerAttribute : 3,
values : subdividedPositions
})
}),
indices : indices,
primitiveType : PrimitiveType.PrimitiveType.LINES
})
});
}
function createGeometryFromPositionsExtruded(ellipsoid, positions, minDistance, perPositionHeight, arcType) {
var tangentPlane = EllipsoidTangentPlane.EllipsoidTangentPlane.fromPoints(positions, ellipsoid);
var positions2D = tangentPlane.projectPointsOntoPlane(positions, createGeometryFromPositionsPositions);
var originalWindingOrder = PolygonPipeline.PolygonPipeline.computeWindingOrder2D(positions2D);
if (originalWindingOrder === PolygonPipeline.WindingOrder.CLOCKWISE) {
positions2D.reverse();
positions = positions.slice().reverse();
}
var subdividedPositions;
var i;
var length = positions.length;
var corners = new Array(length);
var index = 0;
if (!perPositionHeight) {
var numVertices = 0;
if (arcType === ArcType.ArcType.GEODESIC) {
for (i = 0; i < length; i++) {
numVertices += PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideLineCount(positions[i], positions[(i + 1) % length], minDistance);
}
} else if (arcType === ArcType.ArcType.RHUMB) {
for (i = 0; i < length; i++) {
numVertices += PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideRhumbLineCount(ellipsoid, positions[i], positions[(i + 1) % length], minDistance);
}
}
subdividedPositions = new Float64Array(numVertices * 3 * 2);
for (i = 0; i < length; ++i) {
corners[i] = index / 3;
var tempPositions;
if (arcType === ArcType.ArcType.GEODESIC) {
tempPositions = PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideLine(positions[i], positions[(i + 1) % length], minDistance, createGeometryFromPositionsSubdivided);
} else if (arcType === ArcType.ArcType.RHUMB) {
tempPositions = PolygonGeometryLibrary.PolygonGeometryLibrary.subdivideRhumbLine(ellipsoid, positions[i], positions[(i + 1) % length], minDistance, createGeometryFromPositionsSubdivided);
}
var tempPositionsLength = tempPositions.length;
for (var j = 0; j < tempPositionsLength; ++j) {
subdividedPositions[index++] = tempPositions[j];
}
}
} else {
subdividedPositions = new Float64Array(length * 2 * 3 * 2);
for (i = 0; i < length; ++i) {
corners[i] = index / 3;
var p0 = positions[i];
var p1 = positions[(i + 1) % length];
subdividedPositions[index++] = p0.x;
subdividedPositions[index++] = p0.y;
subdividedPositions[index++] = p0.z;
subdividedPositions[index++] = p1.x;
subdividedPositions[index++] = p1.y;
subdividedPositions[index++] = p1.z;
}
}
length = subdividedPositions.length / (3 * 2);
var cornersLength = corners.length;
var indicesSize = ((length * 2) + cornersLength) * 2;
var indices = IndexDatatype.IndexDatatype.createTypedArray(length, indicesSize);
index = 0;
for (i = 0; i < length; ++i) {
indices[index++] = i;
indices[index++] = (i + 1) % length;
indices[index++] = i + length;
indices[index++] = ((i + 1) % length) + length;
}
for (i = 0; i < cornersLength; i++) {
var corner = corners[i];
indices[index++] = corner;
indices[index++] = corner + length;
}
return new GeometryInstance.GeometryInstance({
geometry : new GeometryAttribute.Geometry({
attributes : new GeometryAttributes.GeometryAttributes({
position : new GeometryAttribute.GeometryAttribute({
componentDatatype : ComponentDatatype.ComponentDatatype.DOUBLE,
componentsPerAttribute : 3,
values : subdividedPositions
})
}),
indices : indices,
primitiveType : PrimitiveType.PrimitiveType.LINES
})
});
}
/**
* A description of the outline of a polygon on the ellipsoid. The polygon is defined by a polygon hierarchy.
*
* @alias PolygonOutlineGeometry
* @constructor
*
* @param {Object} options Object with the following properties:
* @param {PolygonHierarchy} options.polygonHierarchy A polygon hierarchy that can include holes.
* @param {Number} [options.height=0.0] The distance in meters between the polygon and the ellipsoid surface.
* @param {Number} [options.extrudedHeight] The distance in meters between the polygon's extruded face and the ellipsoid surface.
* @param {VertexFormat} [options.vertexFormat=VertexFormat.DEFAULT] The vertex attributes to be computed.
* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid to be used as a reference.
* @param {Number} [options.granularity=CesiumMath.RADIANS_PER_DEGREE] The distance, in radians, between each latitude and longitude. Determines the number of positions in the buffer.
* @param {Boolean} [options.perPositionHeight=false] Use the height of options.positions for each position instead of using options.height to determine the height.
* @param {ArcType} [options.arcType=ArcType.GEODESIC] The type of path the outline must follow. Valid options are {@link ArcType.GEODESIC} and {@link ArcType.RHUMB}.
*
* @see PolygonOutlineGeometry#createGeometry
* @see PolygonOutlineGeometry#fromPositions
*
* @example
* // 1. create a polygon outline from points
* var polygon = new Cesium.PolygonOutlineGeometry({
* polygonHierarchy : new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArray([
* -72.0, 40.0,
* -70.0, 35.0,
* -75.0, 30.0,
* -70.0, 30.0,
* -68.0, 40.0
* ])
* )
* });
* var geometry = Cesium.PolygonOutlineGeometry.createGeometry(polygon);
*
* // 2. create a nested polygon with holes outline
* var polygonWithHole = new Cesium.PolygonOutlineGeometry({
* polygonHierarchy : new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArray([
* -109.0, 30.0,
* -95.0, 30.0,
* -95.0, 40.0,
* -109.0, 40.0
* ]),
* [new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArray([
* -107.0, 31.0,
* -107.0, 39.0,
* -97.0, 39.0,
* -97.0, 31.0
* ]),
* [new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArray([
* -105.0, 33.0,
* -99.0, 33.0,
* -99.0, 37.0,
* -105.0, 37.0
* ]),
* [new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArray([
* -103.0, 34.0,
* -101.0, 34.0,
* -101.0, 36.0,
* -103.0, 36.0
* ])
* )]
* )]
* )]
* )
* });
* var geometry = Cesium.PolygonOutlineGeometry.createGeometry(polygonWithHole);
*
* // 3. create extruded polygon outline
* var extrudedPolygon = new Cesium.PolygonOutlineGeometry({
* polygonHierarchy : new Cesium.PolygonHierarchy(
* Cesium.Cartesian3.fromDegreesArray([
* -72.0, 40.0,
* -70.0, 35.0,
* -75.0, 30.0,
* -70.0, 30.0,
* -68.0, 40.0
* ])
* ),
* extrudedHeight: 300000
* });
* var geometry = Cesium.PolygonOutlineGeometry.createGeometry(extrudedPolygon);
*/
function PolygonOutlineGeometry(options) {
//>>includeStart('debug', pragmas.debug);
Check.Check.typeOf.object('options', options);
Check.Check.typeOf.object('options.polygonHierarchy', options.polygonHierarchy);
if (options.perPositionHeight && when.defined(options.height)) {
throw new Check.DeveloperError('Cannot use both options.perPositionHeight and options.height');
}
if (when.defined(options.arcType) && options.arcType !== ArcType.ArcType.GEODESIC && options.arcType !== ArcType.ArcType.RHUMB) {
throw new Check.DeveloperError('Invalid arcType. Valid options are ArcType.GEODESIC and ArcType.RHUMB.');
}
//>>includeEnd('debug');
var polygonHierarchy = options.polygonHierarchy;
var ellipsoid = when.defaultValue(options.ellipsoid, Cartesian2.Ellipsoid.WGS84);
var granularity = when.defaultValue(options.granularity, _Math.CesiumMath.RADIANS_PER_DEGREE);
var perPositionHeight = when.defaultValue(options.perPositionHeight, false);
var perPositionHeightExtrude = perPositionHeight && when.defined(options.extrudedHeight);
var arcType = when.defaultValue(options.arcType, ArcType.ArcType.GEODESIC);
var height = when.defaultValue(options.height, 0.0);
var extrudedHeight = when.defaultValue(options.extrudedHeight, height);
if (!perPositionHeightExtrude) {
var h = Math.max(height, extrudedHeight);
extrudedHeight = Math.min(height, extrudedHeight);
height = h;
}
this._ellipsoid = Cartesian2.Ellipsoid.clone(ellipsoid);
this._granularity = granularity;
this._height = height;
this._extrudedHeight = extrudedHeight;
this._arcType = arcType;
this._polygonHierarchy = polygonHierarchy;
this._perPositionHeight = perPositionHeight;
this._perPositionHeightExtrude = perPositionHeightExtrude;
this._offsetAttribute = options.offsetAttribute;
this._workerName = 'createPolygonOutlineGeometry';
/**
* The number of elements used to pack the object into an array.
* @type {Number}
*/
this.packedLength = PolygonGeometryLibrary.PolygonGeometryLibrary.computeHierarchyPackedLength(polygonHierarchy) + Cartesian2.Ellipsoid.packedLength + 8;
}
/**
* Stores the provided instance into the provided array.
*
* @param {PolygonOutlineGeometry} value The value to pack.
* @param {Number[]} array The array to pack into.
* @param {Number} [startingIndex=0] The index into the array at which to start packing the elements.
*
* @returns {Number[]} The array that was packed into
*/
PolygonOutlineGeometry.pack = function(value, array, startingIndex) {
//>>includeStart('debug', pragmas.debug);
Check.Check.typeOf.object('value', value);
Check.Check.defined('array', array);
//>>includeEnd('debug');
startingIndex = when.defaultValue(startingIndex, 0);
startingIndex = PolygonGeometryLibrary.PolygonGeometryLibrary.packPolygonHierarchy(value._polygonHierarchy, array, startingIndex);
Cartesian2.Ellipsoid.pack(value._ellipsoid, array, startingIndex);
startingIndex += Cartesian2.Ellipsoid.packedLength;
array[startingIndex++] = value._height;
array[startingIndex++] = value._extrudedHeight;
array[startingIndex++] = value._granularity;
array[startingIndex++] = value._perPositionHeightExtrude ? 1.0 : 0.0;
array[startingIndex++] = value._perPositionHeight ? 1.0 : 0.0;
array[startingIndex++] = value._arcType;
array[startingIndex++] = when.defaultValue(value._offsetAttribute, -1);
array[startingIndex] = value.packedLength;
return array;
};
var scratchEllipsoid = Cartesian2.Ellipsoid.clone(Cartesian2.Ellipsoid.UNIT_SPHERE);
var dummyOptions = {
polygonHierarchy : {}
};
/**
* Retrieves an instance from a packed array.
*
* @param {Number[]} array The packed array.
* @param {Number} [startingIndex=0] The starting index of the element to be unpacked.
* @param {PolygonOutlineGeometry} [result] The object into which to store the result.
* @returns {PolygonOutlineGeometry} The modified result parameter or a new PolygonOutlineGeometry instance if one was not provided.
*/
PolygonOutlineGeometry.unpack = function(array, startingIndex, result) {
//>>includeStart('debug', pragmas.debug);
Check.Check.defined('array', array);
//>>includeEnd('debug');
startingIndex = when.defaultValue(startingIndex, 0);
var polygonHierarchy = PolygonGeometryLibrary.PolygonGeometryLibrary.unpackPolygonHierarchy(array, startingIndex);
startingIndex = polygonHierarchy.startingIndex;
delete polygonHierarchy.startingIndex;
var ellipsoid = Cartesian2.Ellipsoid.unpack(array, startingIndex, scratchEllipsoid);
startingIndex += Cartesian2.Ellipsoid.packedLength;
var height = array[startingIndex++];
var extrudedHeight = array[startingIndex++];
var granularity = array[startingIndex++];
var perPositionHeightExtrude = array[startingIndex++] === 1.0;
var perPositionHeight = array[startingIndex++] === 1.0;
var arcType = array[startingIndex++];
var offsetAttribute = array[startingIndex++];
var packedLength = array[startingIndex];
if (!when.defined(result)) {
result = new PolygonOutlineGeometry(dummyOptions);
}
result._polygonHierarchy = polygonHierarchy;
result._ellipsoid = Cartesian2.Ellipsoid.clone(ellipsoid, result._ellipsoid);
result._height = height;
result._extrudedHeight = extrudedHeight;
result._granularity = granularity;
result._perPositionHeight = perPositionHeight;
result._perPositionHeightExtrude = perPositionHeightExtrude;
result._arcType = arcType;
result._offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute;
result.packedLength = packedLength;
return result;
};
/**
* A description of a polygon outline from an array of positions.
*
* @param {Object} options Object with the following properties:
* @param {Cartesian3[]} options.positions An array of positions that defined the corner points of the polygon.
* @param {Number} [options.height=0.0] The height of the polygon.
* @param {Number} [options.extrudedHeight] The height of the polygon extrusion.
* @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid to be used as a reference.
* @param {Number} [options.granularity=CesiumMath.RADIANS_PER_DEGREE] The distance, in radians, between each latitude and longitude. Determines the number of positions in the buffer.
* @param {Boolean} [options.perPositionHeight=false] Use the height of options.positions for each position instead of using options.height to determine the height.
* @param {ArcType} [options.arcType=ArcType.GEODESIC] The type of path the outline must follow. Valid options are {@link LinkType.GEODESIC} and {@link ArcType.RHUMB}.
* @returns {PolygonOutlineGeometry}
*
*
* @example
* // create a polygon from points
* var polygon = Cesium.PolygonOutlineGeometry.fromPositions({
* positions : Cesium.Cartesian3.fromDegreesArray([
* -72.0, 40.0,
* -70.0, 35.0,
* -75.0, 30.0,
* -70.0, 30.0,
* -68.0, 40.0
* ])
* });
* var geometry = Cesium.PolygonOutlineGeometry.createGeometry(polygon);
*
* @see PolygonOutlineGeometry#createGeometry
*/
PolygonOutlineGeometry.fromPositions = function(options) {
options = when.defaultValue(options, when.defaultValue.EMPTY_OBJECT);
//>>includeStart('debug', pragmas.debug);
Check.Check.defined('options.positions', options.positions);
//>>includeEnd('debug');
var newOptions = {
polygonHierarchy : {
positions : options.positions
},
height : options.height,
extrudedHeight : options.extrudedHeight,
ellipsoid : options.ellipsoid,
granularity : options.granularity,
perPositionHeight : options.perPositionHeight,
arcType: options.arcType,
offsetAttribute : options.offsetAttribute
};
return new PolygonOutlineGeometry(newOptions);
};
/**
* Computes the geometric representation of a polygon outline, including its vertices, indices, and a bounding sphere.
*
* @param {PolygonOutlineGeometry} polygonGeometry A description of the polygon outline.
* @returns {Geometry|undefined} The computed vertices and indices.
*/
PolygonOutlineGeometry.createGeometry = function(polygonGeometry) {
var ellipsoid = polygonGeometry._ellipsoid;
var granularity = polygonGeometry._granularity;
var polygonHierarchy = polygonGeometry._polygonHierarchy;
var perPositionHeight = polygonGeometry._perPositionHeight;
var arcType = polygonGeometry._arcType;
var polygons = PolygonGeometryLibrary.PolygonGeometryLibrary.polygonOutlinesFromHierarchy(polygonHierarchy, !perPositionHeight, ellipsoid);
if (polygons.length === 0) {
return undefined;
}
var geometryInstance;
var geometries = [];
var minDistance = _Math.CesiumMath.chordLength(granularity, ellipsoid.maximumRadius);
var height = polygonGeometry._height;
var extrudedHeight = polygonGeometry._extrudedHeight;
var extrude = polygonGeometry._perPositionHeightExtrude || !_Math.CesiumMath.equalsEpsilon(height, extrudedHeight, 0, _Math.CesiumMath.EPSILON2);
var offsetValue;
var i;
if (extrude) {
for (i = 0; i < polygons.length; i++) {
geometryInstance = createGeometryFromPositionsExtruded(ellipsoid, polygons[i], minDistance, perPositionHeight, arcType);
geometryInstance.geometry = PolygonGeometryLibrary.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(geometryInstance.geometry, height, extrudedHeight, ellipsoid, perPositionHeight);
if (when.defined(polygonGeometry._offsetAttribute)) {
var size = geometryInstance.geometry.attributes.position.values.length / 3;
var offsetAttribute = new Uint8Array(size);
if (polygonGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.TOP) {
offsetAttribute = arrayFill.arrayFill(offsetAttribute, 1, 0, size / 2);
} else {
offsetValue = polygonGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1;
offsetAttribute = arrayFill.arrayFill(offsetAttribute, offsetValue);
}
geometryInstance.geometry.attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
componentDatatype : ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
componentsPerAttribute : 1,
values : offsetAttribute
});
}
geometries.push(geometryInstance);
}
} else {
for (i = 0; i < polygons.length; i++) {
geometryInstance = createGeometryFromPositions(ellipsoid, polygons[i], minDistance, perPositionHeight, arcType);
geometryInstance.geometry.attributes.position.values = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(geometryInstance.geometry.attributes.position.values, height, ellipsoid, !perPositionHeight);
if (when.defined(polygonGeometry._offsetAttribute)) {
var length = geometryInstance.geometry.attributes.position.values.length;
var applyOffset = new Uint8Array(length / 3);
offsetValue = polygonGeometry._offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1;
arrayFill.arrayFill(applyOffset, offsetValue);
geometryInstance.geometry.attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
componentDatatype : ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
componentsPerAttribute : 1,
values: applyOffset
});
}
geometries.push(geometryInstance);
}
}
var geometry = GeometryPipeline.GeometryPipeline.combineInstances(geometries)[0];
var boundingSphere = BoundingSphere.BoundingSphere.fromVertices(geometry.attributes.position.values);
return new GeometryAttribute.Geometry({
attributes : geometry.attributes,
indices : geometry.indices,
primitiveType : geometry.primitiveType,
boundingSphere : boundingSphere,
offsetAttribute : polygonGeometry._offsetAttribute
});
};
function createPolygonOutlineGeometry(polygonGeometry, offset) {
if (when.defined(offset)) {
polygonGeometry = PolygonOutlineGeometry.unpack(polygonGeometry, offset);
}
polygonGeometry._ellipsoid = Cartesian2.Ellipsoid.clone(polygonGeometry._ellipsoid);
return PolygonOutlineGeometry.createGeometry(polygonGeometry);
}
return createPolygonOutlineGeometry;
});