From d74b495736f0c04522ec54274b70fed0ded2878d Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Tue, 27 Jun 2023 11:30:06 +0800
Subject: [PATCH] 任务新增导出
---
public/libs/Cesium/Workers/createPolygonOutlineGeometry.js | 567 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 567 insertions(+), 0 deletions(-)
diff --git a/public/libs/Cesium/Workers/createPolygonOutlineGeometry.js b/public/libs/Cesium/Workers/createPolygonOutlineGeometry.js
new file mode 100644
index 0000000..975e01e
--- /dev/null
+++ b/public/libs/Cesium/Workers/createPolygonOutlineGeometry.js
@@ -0,0 +1,567 @@
+/**
+ * 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-fe4be337', './Cartesian2-85064f09', './BoundingSphere-775c5788', './Cartesian4-5af5bb24', './RuntimeError-ba10bc3e', './WebGLConstants-4c11ee5f', './ComponentDatatype-5862616f', './GeometryAttribute-ed9d707f', './PrimitiveType-97893bc7', './FeatureDetection-7bd32c34', './Transforms-a1cf7267', './buildModuleUrl-e7952659', './GeometryAttributes-aacecde6', './AttributeCompression-84a90a13', './GeometryPipeline-245a05d7', './EncodedCartesian3-a569cba8', './IndexDatatype-9435b55f', './IntersectionTests-397d9494', './Plane-8390418f', './arrayFill-9766fb2e', './GeometryOffsetAttribute-999fc023', './GeometryInstance-93a01b5d', './arrayRemoveDuplicates-f0b089b1', './EllipsoidTangentPlane-e324bfa4', './ArcType-66bc286a', './EllipsoidRhumbLine-f161e674', './earcut-2.2.1-b404d9e6', './PolygonPipeline-fd46002b', './PolygonGeometryLibrary-9cc18cc2'], 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;
+
+});
--
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