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/createPolygonGeometry.js | 1079 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 1,079 insertions(+), 0 deletions(-)
diff --git a/public/libs/Cesium/Workers/createPolygonGeometry.js b/public/libs/Cesium/Workers/createPolygonGeometry.js
new file mode 100644
index 0000000..0aecd99
--- /dev/null
+++ b/public/libs/Cesium/Workers/createPolygonGeometry.js
@@ -0,0 +1,1079 @@
+/**
+ * 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', './VertexFormat-fe4db402', './GeometryInstance-93a01b5d', './arrayRemoveDuplicates-f0b089b1', './BoundingRectangle-dc808c42', './EllipsoidTangentPlane-e324bfa4', './ArcType-66bc286a', './EllipsoidRhumbLine-f161e674', './earcut-2.2.1-b404d9e6', './PolygonPipeline-fd46002b', './PolygonGeometryLibrary-9cc18cc2', './EllipsoidGeodesic-84507801'], 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, VertexFormat, GeometryInstance, arrayRemoveDuplicates, BoundingRectangle, EllipsoidTangentPlane, ArcType, EllipsoidRhumbLine, earcut2_2_1, PolygonPipeline, PolygonGeometryLibrary, EllipsoidGeodesic) { 'use strict';
+
+ var scratchCarto1 = new Cartographic.Cartographic();
+ var scratchCarto2 = new Cartographic.Cartographic();
+ function adjustPosHeightsForNormal(position, p1, p2, ellipsoid) {
+ var carto1 = ellipsoid.cartesianToCartographic(position, scratchCarto1);
+ var height = carto1.height;
+ var p1Carto = ellipsoid.cartesianToCartographic(p1, scratchCarto2);
+ p1Carto.height = height;
+ ellipsoid.cartographicToCartesian(p1Carto, p1);
+
+ var p2Carto = ellipsoid.cartesianToCartographic(p2, scratchCarto2);
+ p2Carto.height = height - 100;
+ ellipsoid.cartographicToCartesian(p2Carto, p2);
+ }
+
+ var scratchBoundingRectangle = new BoundingRectangle.BoundingRectangle();
+ var scratchPosition = new Cartographic.Cartesian3();
+ var scratchNormal = new Cartographic.Cartesian3();
+ var scratchTangent = new Cartographic.Cartesian3();
+ var scratchBitangent = new Cartographic.Cartesian3();
+ var p1Scratch = new Cartographic.Cartesian3();
+ var p2Scratch = new Cartographic.Cartesian3();
+ var scratchPerPosNormal = new Cartographic.Cartesian3();
+ var scratchPerPosTangent = new Cartographic.Cartesian3();
+ var scratchPerPosBitangent = new Cartographic.Cartesian3();
+
+ var appendTextureCoordinatesOrigin = new Cartesian2.Cartesian2();
+ var appendTextureCoordinatesCartesian2 = new Cartesian2.Cartesian2();
+ var appendTextureCoordinatesCartesian3 = new Cartographic.Cartesian3();
+ var appendTextureCoordinatesQuaternion = new Transforms.Quaternion();
+ var appendTextureCoordinatesMatrix3 = new BoundingSphere.Matrix3();
+ var tangentMatrixScratch = new BoundingSphere.Matrix3();
+
+ function computeAttributes(options) {
+ var vertexFormat = options.vertexFormat;
+ var geometry = options.geometry;
+ var shadowVolume = options.shadowVolume;
+ var flatPositions = geometry.attributes.position.values;
+ var length = flatPositions.length;
+ var wall = options.wall;
+ var top = options.top || wall;
+ var bottom = options.bottom || wall;
+ if (vertexFormat.st || vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent || shadowVolume) {
+ // PERFORMANCE_IDEA: Compute before subdivision, then just interpolate during subdivision.
+ // PERFORMANCE_IDEA: Compute with createGeometryFromPositions() for fast path when there's no holes.
+ var boundingRectangle = options.boundingRectangle;
+ var tangentPlane = options.tangentPlane;
+ var ellipsoid = options.ellipsoid;
+ var stRotation = options.stRotation;
+ var perPositionHeight = options.perPositionHeight;
+
+ var origin = appendTextureCoordinatesOrigin;
+ origin.x = boundingRectangle.x;
+ origin.y = boundingRectangle.y;
+
+ var textureCoordinates = vertexFormat.st ? new Float32Array(2 * (length / 3)) : undefined;
+ var normals;
+ if (vertexFormat.normal) {
+ if (perPositionHeight && top && !wall) {
+ normals = geometry.attributes.normal.values;
+ } else {
+ normals = new Float32Array(length);
+ }
+ }
+ var tangents = vertexFormat.tangent ? new Float32Array(length) : undefined;
+ var bitangents = vertexFormat.bitangent ? new Float32Array(length) : undefined;
+ var extrudeNormals = shadowVolume ? new Float32Array(length) : undefined;
+
+ var textureCoordIndex = 0;
+ var attrIndex = 0;
+
+ var normal = scratchNormal;
+ var tangent = scratchTangent;
+ var bitangent = scratchBitangent;
+ var recomputeNormal = true;
+
+ var textureMatrix = appendTextureCoordinatesMatrix3;
+ var tangentRotationMatrix = tangentMatrixScratch;
+ if (stRotation !== 0.0) {
+ var rotation = Transforms.Quaternion.fromAxisAngle(tangentPlane._plane.normal, stRotation, appendTextureCoordinatesQuaternion);
+ textureMatrix = BoundingSphere.Matrix3.fromQuaternion(rotation, textureMatrix);
+
+ rotation = Transforms.Quaternion.fromAxisAngle(tangentPlane._plane.normal, -stRotation, appendTextureCoordinatesQuaternion);
+ tangentRotationMatrix = BoundingSphere.Matrix3.fromQuaternion(rotation, tangentRotationMatrix);
+ } else {
+ textureMatrix = BoundingSphere.Matrix3.clone(BoundingSphere.Matrix3.IDENTITY, textureMatrix);
+ tangentRotationMatrix = BoundingSphere.Matrix3.clone(BoundingSphere.Matrix3.IDENTITY, tangentRotationMatrix);
+ }
+
+ var bottomOffset = 0;
+ var bottomOffset2 = 0;
+
+ if (top && bottom) {
+ bottomOffset = length / 2;
+ bottomOffset2 = length / 3;
+
+ length /= 2;
+ }
+
+ for ( var i = 0; i < length; i += 3) {
+ var position = Cartographic.Cartesian3.fromArray(flatPositions, i, appendTextureCoordinatesCartesian3);
+
+ if (vertexFormat.st) {
+ var p = BoundingSphere.Matrix3.multiplyByVector(textureMatrix, position, scratchPosition);
+ p = ellipsoid.scaleToGeodeticSurface(p,p);
+ var st = tangentPlane.projectPointOntoPlane(p, appendTextureCoordinatesCartesian2);
+ Cartesian2.Cartesian2.subtract(st, origin, st);
+
+ var stx = _Math.CesiumMath.clamp(st.x / boundingRectangle.width, 0, 1);
+ var sty = _Math.CesiumMath.clamp(st.y / boundingRectangle.height, 0, 1);
+ if (bottom) {
+ textureCoordinates[textureCoordIndex + bottomOffset2] = stx;
+ textureCoordinates[textureCoordIndex + 1 + bottomOffset2] = sty;
+ }
+ if (top) {
+ textureCoordinates[textureCoordIndex] = stx;
+ textureCoordinates[textureCoordIndex + 1] = sty;
+ }
+
+ textureCoordIndex += 2;
+ }
+
+ if (vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent || shadowVolume) {
+ var attrIndex1 = attrIndex + 1;
+ var attrIndex2 = attrIndex + 2;
+
+ if (wall) {
+ if (i + 3 < length) {
+ var p1 = Cartographic.Cartesian3.fromArray(flatPositions, i + 3, p1Scratch);
+
+ if (recomputeNormal) {
+ var p2 = Cartographic.Cartesian3.fromArray(flatPositions, i + length, p2Scratch);
+ if (perPositionHeight) {
+ adjustPosHeightsForNormal(position, p1, p2, ellipsoid);
+ }
+ Cartographic.Cartesian3.subtract(p1, position, p1);
+ Cartographic.Cartesian3.subtract(p2, position, p2);
+ normal = Cartographic.Cartesian3.normalize(Cartographic.Cartesian3.cross(p2, p1, normal), normal);
+ recomputeNormal = false;
+ }
+
+ if (Cartographic.Cartesian3.equalsEpsilon(p1, position, _Math.CesiumMath.EPSILON10)) { // if we've reached a corner
+ recomputeNormal = true;
+ }
+ }
+
+ if (vertexFormat.tangent || vertexFormat.bitangent) {
+ bitangent = ellipsoid.geodeticSurfaceNormal(position, bitangent);
+ if (vertexFormat.tangent) {
+ tangent = Cartographic.Cartesian3.normalize(Cartographic.Cartesian3.cross(bitangent, normal, tangent), tangent);
+ }
+ }
+ } else {
+ normal = ellipsoid.geodeticSurfaceNormal(position, normal);
+ if (vertexFormat.tangent || vertexFormat.bitangent) {
+ if (perPositionHeight) {
+ scratchPerPosNormal = Cartographic.Cartesian3.fromArray(normals, attrIndex, scratchPerPosNormal);
+ scratchPerPosTangent = Cartographic.Cartesian3.cross(Cartographic.Cartesian3.UNIT_Z, scratchPerPosNormal, scratchPerPosTangent);
+ scratchPerPosTangent = Cartographic.Cartesian3.normalize(BoundingSphere.Matrix3.multiplyByVector(tangentRotationMatrix, scratchPerPosTangent, scratchPerPosTangent), scratchPerPosTangent);
+ if (vertexFormat.bitangent) {
+ scratchPerPosBitangent = Cartographic.Cartesian3.normalize(Cartographic.Cartesian3.cross(scratchPerPosNormal, scratchPerPosTangent, scratchPerPosBitangent), scratchPerPosBitangent);
+ }
+ }
+
+ tangent = Cartographic.Cartesian3.cross(Cartographic.Cartesian3.UNIT_Z, normal, tangent);
+ tangent = Cartographic.Cartesian3.normalize(BoundingSphere.Matrix3.multiplyByVector(tangentRotationMatrix, tangent, tangent), tangent);
+ if (vertexFormat.bitangent) {
+ bitangent = Cartographic.Cartesian3.normalize(Cartographic.Cartesian3.cross(normal, tangent, bitangent), bitangent);
+ }
+ }
+ }
+
+ if (vertexFormat.normal) {
+ if (options.wall) {
+ normals[attrIndex + bottomOffset] = normal.x;
+ normals[attrIndex1 + bottomOffset] = normal.y;
+ normals[attrIndex2 + bottomOffset] = normal.z;
+ } else if (bottom){
+ normals[attrIndex + bottomOffset] = -normal.x;
+ normals[attrIndex1 + bottomOffset] = -normal.y;
+ normals[attrIndex2 + bottomOffset] = -normal.z;
+ }
+
+ if ((top && !perPositionHeight) || wall) {
+ normals[attrIndex] = normal.x;
+ normals[attrIndex1] = normal.y;
+ normals[attrIndex2] = normal.z;
+ }
+ }
+
+ if (shadowVolume) {
+ if (wall) {
+ normal = ellipsoid.geodeticSurfaceNormal(position, normal);
+ }
+ extrudeNormals[attrIndex + bottomOffset] = -normal.x;
+ extrudeNormals[attrIndex1 + bottomOffset] = -normal.y;
+ extrudeNormals[attrIndex2 + bottomOffset] = -normal.z;
+ }
+
+ if (vertexFormat.tangent) {
+ if (options.wall) {
+ tangents[attrIndex + bottomOffset] = tangent.x;
+ tangents[attrIndex1 + bottomOffset] = tangent.y;
+ tangents[attrIndex2 + bottomOffset] = tangent.z;
+ } else if (bottom) {
+ tangents[attrIndex + bottomOffset] = -tangent.x;
+ tangents[attrIndex1 + bottomOffset] = -tangent.y;
+ tangents[attrIndex2 + bottomOffset] = -tangent.z;
+ }
+
+ if(top) {
+ if (perPositionHeight) {
+ tangents[attrIndex] = scratchPerPosTangent.x;
+ tangents[attrIndex1] = scratchPerPosTangent.y;
+ tangents[attrIndex2] = scratchPerPosTangent.z;
+ } else {
+ tangents[attrIndex] = tangent.x;
+ tangents[attrIndex1] = tangent.y;
+ tangents[attrIndex2] = tangent.z;
+ }
+ }
+ }
+
+ if (vertexFormat.bitangent) {
+ if (bottom) {
+ bitangents[attrIndex + bottomOffset] = bitangent.x;
+ bitangents[attrIndex1 + bottomOffset] = bitangent.y;
+ bitangents[attrIndex2 + bottomOffset] = bitangent.z;
+ }
+ if (top) {
+ if (perPositionHeight) {
+ bitangents[attrIndex] = scratchPerPosBitangent.x;
+ bitangents[attrIndex1] = scratchPerPosBitangent.y;
+ bitangents[attrIndex2] = scratchPerPosBitangent.z;
+ } else {
+ bitangents[attrIndex] = bitangent.x;
+ bitangents[attrIndex1] = bitangent.y;
+ bitangents[attrIndex2] = bitangent.z;
+ }
+ }
+ }
+ attrIndex += 3;
+ }
+ }
+
+ if (vertexFormat.st) {
+ geometry.attributes.st = new GeometryAttribute.GeometryAttribute({
+ componentDatatype : ComponentDatatype.ComponentDatatype.FLOAT,
+ componentsPerAttribute : 2,
+ values : textureCoordinates
+ });
+ }
+
+ if (vertexFormat.normal) {
+ geometry.attributes.normal = new GeometryAttribute.GeometryAttribute({
+ componentDatatype : ComponentDatatype.ComponentDatatype.FLOAT,
+ componentsPerAttribute : 3,
+ values : normals
+ });
+ }
+
+ if (vertexFormat.tangent) {
+ geometry.attributes.tangent = new GeometryAttribute.GeometryAttribute({
+ componentDatatype : ComponentDatatype.ComponentDatatype.FLOAT,
+ componentsPerAttribute : 3,
+ values : tangents
+ });
+ }
+
+ if (vertexFormat.bitangent) {
+ geometry.attributes.bitangent = new GeometryAttribute.GeometryAttribute({
+ componentDatatype : ComponentDatatype.ComponentDatatype.FLOAT,
+ componentsPerAttribute : 3,
+ values : bitangents
+ });
+ }
+
+ if (shadowVolume) {
+ geometry.attributes.extrudeDirection = new GeometryAttribute.GeometryAttribute({
+ componentDatatype : ComponentDatatype.ComponentDatatype.FLOAT,
+ componentsPerAttribute : 3,
+ values : extrudeNormals
+ });
+ }
+ }
+
+ if (options.extrude && when.defined(options.offsetAttribute)) {
+ var size = flatPositions.length / 3;
+ var offsetAttribute = new Uint8Array(size);
+
+ if (options.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.TOP) {
+ if ((top && bottom) || wall) {
+ offsetAttribute = arrayFill.arrayFill(offsetAttribute, 1, 0, size / 2);
+ } else if (top) {
+ offsetAttribute = arrayFill.arrayFill(offsetAttribute, 1);
+ }
+ } else {
+ var offsetValue = options.offsetAttribute === GeometryOffsetAttribute.GeometryOffsetAttribute.NONE ? 0 : 1;
+ offsetAttribute = arrayFill.arrayFill(offsetAttribute, offsetValue);
+ }
+
+ geometry.attributes.applyOffset = new GeometryAttribute.GeometryAttribute({
+ componentDatatype : ComponentDatatype.ComponentDatatype.UNSIGNED_BYTE,
+ componentsPerAttribute : 1,
+ values : offsetAttribute
+ });
+ }
+
+ return geometry;
+ }
+
+ var startCartographicScratch = new Cartographic.Cartographic();
+ var endCartographicScratch = new Cartographic.Cartographic();
+ var idlCross = {
+ west : 0.0,
+ east : 0.0
+ };
+ var ellipsoidGeodesic = new EllipsoidGeodesic.EllipsoidGeodesic();
+ function computeRectangle(positions, ellipsoid, arcType, granularity, result) {
+ result = when.defaultValue(result, new Cartesian2.Rectangle());
+ if (!when.defined(positions) || positions.length < 3) {
+ result.west = 0.0;
+ result.north = 0.0;
+ result.south = 0.0;
+ result.east = 0.0;
+ return result;
+ }
+
+ if (arcType === ArcType.ArcType.RHUMB) {
+ return Cartesian2.Rectangle.fromCartesianArray(positions, ellipsoid, result);
+ }
+
+ if (!ellipsoidGeodesic.ellipsoid.equals(ellipsoid)) {
+ ellipsoidGeodesic = new EllipsoidGeodesic.EllipsoidGeodesic(undefined, undefined, ellipsoid);
+ }
+
+ result.west = Number.POSITIVE_INFINITY;
+ result.east = Number.NEGATIVE_INFINITY;
+ result.south = Number.POSITIVE_INFINITY;
+ result.north = Number.NEGATIVE_INFINITY;
+
+ idlCross.west = Number.POSITIVE_INFINITY;
+ idlCross.east = Number.NEGATIVE_INFINITY;
+
+ var inverseChordLength = 1.0 / _Math.CesiumMath.chordLength(granularity, ellipsoid.maximumRadius);
+ var positionsLength = positions.length;
+ var endCartographic = ellipsoid.cartesianToCartographic(positions[0], endCartographicScratch);
+ var startCartographic = startCartographicScratch;
+ var swap;
+
+ for (var i = 1; i < positionsLength; i++) {
+ swap = startCartographic;
+ startCartographic = endCartographic;
+ endCartographic = ellipsoid.cartesianToCartographic(positions[i], swap);
+ ellipsoidGeodesic.setEndPoints(startCartographic, endCartographic);
+ interpolateAndGrowRectangle(ellipsoidGeodesic, inverseChordLength, result, idlCross);
+ }
+
+ swap = startCartographic;
+ startCartographic = endCartographic;
+ endCartographic = ellipsoid.cartesianToCartographic(positions[0], swap);
+ ellipsoidGeodesic.setEndPoints(startCartographic, endCartographic);
+ interpolateAndGrowRectangle(ellipsoidGeodesic, inverseChordLength, result, idlCross);
+
+ if (result.east - result.west > idlCross.west - idlCross.east) {
+ result.east = idlCross.east;
+ result.west = idlCross.west;
+ }
+
+ return result;
+ }
+
+ var interpolatedCartographicScratch = new Cartographic.Cartographic();
+ function interpolateAndGrowRectangle(ellipsoidGeodesic, inverseChordLength, result, idlCross) {
+ var segmentLength = ellipsoidGeodesic.surfaceDistance;
+
+ var numPoints = Math.ceil(segmentLength * inverseChordLength);
+ var subsegmentDistance = numPoints > 0 ? segmentLength / (numPoints - 1) : Number.POSITIVE_INFINITY;
+ var interpolationDistance = 0.0;
+
+ for (var i = 0; i < numPoints; i++) {
+ var interpolatedCartographic = ellipsoidGeodesic.interpolateUsingSurfaceDistance(interpolationDistance, interpolatedCartographicScratch);
+ interpolationDistance += subsegmentDistance;
+ var longitude = interpolatedCartographic.longitude;
+ var latitude = interpolatedCartographic.latitude;
+
+ result.west = Math.min(result.west, longitude);
+ result.east = Math.max(result.east, longitude);
+ result.south = Math.min(result.south, latitude);
+ result.north = Math.max(result.north, latitude);
+
+ idlCross.west = longitude > 0.0 ? Math.min(longitude, idlCross.west) : idlCross.west;
+ idlCross.east = longitude < 0.0 ? Math.max(longitude, idlCross.east) : idlCross.east;
+ }
+ }
+
+ var createGeometryFromPositionsExtrudedPositions = [];
+
+ function createGeometryFromPositionsExtruded(ellipsoid, polygon, granularity, hierarchy, perPositionHeight, closeTop, closeBottom, vertexFormat, arcType, extrudeOutering) {
+ var geos = {
+ walls : []
+ };
+ var i;
+
+ if (closeTop || closeBottom) {
+ var topGeo = PolygonGeometryLibrary.PolygonGeometryLibrary.createGeometryFromPositions(ellipsoid, polygon, granularity, perPositionHeight, vertexFormat, arcType);
+
+ var edgePoints = topGeo.attributes.position.values;
+ var indices = topGeo.indices;
+ var numPositions;
+ var newIndices;
+
+ if (closeTop && closeBottom) {
+ var topBottomPositions = edgePoints.concat(edgePoints);
+
+ numPositions = topBottomPositions.length / 3;
+
+ newIndices = IndexDatatype.IndexDatatype.createTypedArray(numPositions, indices.length * 2);
+ newIndices.set(indices);
+ var ilength = indices.length;
+
+ var length = numPositions / 2;
+
+ for (i = 0; i < ilength; i += 3) {
+ var i0 = newIndices[i] + length;
+ var i1 = newIndices[i + 1] + length;
+ var i2 = newIndices[i + 2] + length;
+
+ newIndices[i + ilength] = i2;
+ newIndices[i + 1 + ilength] = i1;
+ newIndices[i + 2 + ilength] = i0;
+ }
+
+ topGeo.attributes.position.values = topBottomPositions;
+ if (perPositionHeight && vertexFormat.normal) {
+ var normals = topGeo.attributes.normal.values;
+ topGeo.attributes.normal.values = new Float32Array(topBottomPositions.length);
+ topGeo.attributes.normal.values.set(normals);
+ }
+ topGeo.indices = newIndices;
+ } else if (closeBottom) {
+ numPositions = edgePoints.length / 3;
+ newIndices = IndexDatatype.IndexDatatype.createTypedArray(numPositions, indices.length);
+
+ for (i = 0; i < indices.length; i += 3) {
+ newIndices[i] = indices[i + 2];
+ newIndices[i + 1] = indices[i + 1];
+ newIndices[i + 2] = indices[i];
+ }
+
+ topGeo.indices = newIndices;
+ }
+
+ geos.topAndBottom = new GeometryInstance.GeometryInstance({
+ geometry : topGeo
+ });
+ }
+
+ var outerRing = hierarchy.outerRing;
+ var tangentPlane = EllipsoidTangentPlane.EllipsoidTangentPlane.fromPoints(outerRing, ellipsoid);
+ var positions2D = tangentPlane.projectPointsOntoPlane(outerRing, createGeometryFromPositionsExtrudedPositions);
+
+ var windingOrder = PolygonPipeline.PolygonPipeline.computeWindingOrder2D(positions2D);
+ if (windingOrder === PolygonPipeline.WindingOrder.CLOCKWISE) {
+ outerRing = outerRing.slice().reverse();
+ }
+
+ var wallGeo;
+ if(extrudeOutering) {
+ wallGeo = PolygonGeometryLibrary.PolygonGeometryLibrary.computeWallGeometry(outerRing, ellipsoid, granularity, perPositionHeight, arcType);
+ geos.walls.push(new GeometryInstance.GeometryInstance({
+ geometry : wallGeo
+ }));
+ }
+
+
+ var holes = hierarchy.holes;
+ for (i = 0; i < holes.length; i++) {
+ var hole = holes[i];
+
+ tangentPlane = EllipsoidTangentPlane.EllipsoidTangentPlane.fromPoints(hole, ellipsoid);
+ positions2D = tangentPlane.projectPointsOntoPlane(hole, createGeometryFromPositionsExtrudedPositions);
+
+ windingOrder = PolygonPipeline.PolygonPipeline.computeWindingOrder2D(positions2D);
+ if (windingOrder === PolygonPipeline.WindingOrder.COUNTER_CLOCKWISE) {
+ hole = hole.slice().reverse();
+ }
+
+ wallGeo = PolygonGeometryLibrary.PolygonGeometryLibrary.computeWallGeometry(hole, ellipsoid, granularity, perPositionHeight, arcType);
+ geos.walls.push(new GeometryInstance.GeometryInstance({
+ geometry : wallGeo
+ }));
+ }
+
+ return geos;
+ }
+
+ /**
+ * A description of a polygon on the ellipsoid. The polygon is defined by a polygon hierarchy. Polygon geometry can be rendered with both {@link Primitive} and {@link GroundPrimitive}.
+ *
+ * @alias PolygonGeometry
+ * @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 {Number} [options.stRotation=0.0] The rotation of the texture coordinates, in radians. A positive rotation is counter-clockwise.
+ * @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 {Boolean} [options.closeTop=true] When false, leaves off the top of an extruded polygon open.
+ * @param {Boolean} [options.closeBottom=true] When false, leaves off the bottom of an extruded polygon open.
+ * @param {ArcType} [options.arcType=ArcType.GEODESIC] The type of line the polygon edges must follow. Valid options are {@link ArcType.GEODESIC} and {@link ArcType.RHUMB}.
+ *
+ * @see PolygonGeometry#createGeometry
+ * @see PolygonGeometry#fromPositions
+ *
+ * @demo {@link https://cesiumjs.org/Cesium/Apps/Sandcastle/index.html?src=Polygon.html|Cesium Sandcastle Polygon Demo}
+ *
+ * @example
+ * // 1. create a polygon from points
+ * var polygon = new Cesium.PolygonGeometry({
+ * 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.PolygonGeometry.createGeometry(polygon);
+ *
+ * // 2. create a nested polygon with holes
+ * var polygonWithHole = new Cesium.PolygonGeometry({
+ * 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.PolygonGeometry.createGeometry(polygonWithHole);
+ *
+ * // 3. create extruded polygon
+ * var extrudedPolygon = new Cesium.PolygonGeometry({
+ * 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.PolygonGeometry.createGeometry(extrudedPolygon);
+ */
+ function PolygonGeometry(options) {
+ //>>includeStart('debug', pragmas.debug);
+ Check.Check.typeOf.object('options', options);
+ Check.Check.typeOf.object('options.polygonHierarchy', options.polygonHierarchy);
+ if (when.defined(options.perPositionHeight) && 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 vertexFormat = when.defaultValue(options.vertexFormat, VertexFormat.VertexFormat.DEFAULT);
+ var ellipsoid = when.defaultValue(options.ellipsoid, Cartesian2.Ellipsoid.WGS84);
+ var granularity = when.defaultValue(options.granularity, _Math.CesiumMath.RADIANS_PER_DEGREE);
+ var stRotation = when.defaultValue(options.stRotation, 0.0);
+ var perPositionHeight = when.defaultValue(options.perPositionHeight, false);
+ var perPositionHeightExtrude = perPositionHeight && when.defined(options.extrudedHeight);
+ 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._vertexFormat = VertexFormat.VertexFormat.clone(vertexFormat);
+ this._ellipsoid = Cartesian2.Ellipsoid.clone(ellipsoid);
+ this._granularity = granularity;
+ this._stRotation = stRotation;
+ this._height = height;
+ this._extrudedHeight = extrudedHeight;
+ this._closeTop = when.defaultValue(options.closeTop, true);
+ this._closeBottom = when.defaultValue(options.closeBottom, true);
+ this._extrudeOutering = when.defaultValue(options.extrudeOutering, true);
+ this._polygonHierarchy = polygonHierarchy;
+ this._perPositionHeight = perPositionHeight;
+ this._perPositionHeightExtrude = perPositionHeightExtrude;
+ this._shadowVolume = when.defaultValue(options.shadowVolume, false);
+ this._workerName = 'createPolygonGeometry';
+ this._offsetAttribute = options.offsetAttribute;
+ this._arcType = when.defaultValue(options.arcType, ArcType.ArcType.GEODESIC);
+
+ this._rectangle = undefined;
+ this._textureCoordinateRotationPoints = undefined;
+
+ /**
+ * The number of elements used to pack the object into an array.
+ * @type {Number}
+ */
+ this.packedLength = PolygonGeometryLibrary.PolygonGeometryLibrary.computeHierarchyPackedLength(polygonHierarchy) + Cartesian2.Ellipsoid.packedLength + VertexFormat.VertexFormat.packedLength + 12;
+ }
+
+ /**
+ * A description of a polygon from an array of positions. Polygon geometry can be rendered with both {@link Primitive} and {@link GroundPrimitive}.
+ *
+ * @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 {VertexFormat} [options.vertexFormat=VertexFormat.DEFAULT] The vertex attributes to be computed.
+ * @param {Number} [options.stRotation=0.0] The rotation of the texture coordinates, in radians. A positive rotation is counter-clockwise.
+ * @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 {Boolean} [options.closeTop=true] When false, leaves off the top of an extruded polygon open.
+ * @param {Boolean} [options.closeBottom=true] When false, leaves off the bottom of an extruded polygon open.
+ * @param {ArcType} [options.arcType=ArcType.GEODESIC] The type of line the polygon edges must follow. Valid options are {@link ArcType.GEODESIC} and {@link ArcType.RHUMB}.
+ * @returns {PolygonGeometry}
+ *
+ *
+ * @example
+ * // create a polygon from points
+ * var polygon = Cesium.PolygonGeometry.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.PolygonGeometry.createGeometry(polygon);
+ *
+ * @see PolygonGeometry#createGeometry
+ */
+ PolygonGeometry.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,
+ vertexFormat : options.vertexFormat,
+ stRotation : options.stRotation,
+ ellipsoid : options.ellipsoid,
+ granularity : options.granularity,
+ perPositionHeight : options.perPositionHeight,
+ closeTop : options.closeTop,
+ closeBottom : options.closeBottom,
+ offsetAttribute : options.offsetAttribute,
+ arcType : options.arcType
+ };
+ return new PolygonGeometry(newOptions);
+ };
+
+ /**
+ * Stores the provided instance into the provided array.
+ *
+ * @param {PolygonGeometry} 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
+ */
+ PolygonGeometry.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;
+
+ VertexFormat.VertexFormat.pack(value._vertexFormat, array, startingIndex);
+ startingIndex += VertexFormat.VertexFormat.packedLength;
+
+ array[startingIndex++] = value._height;
+ array[startingIndex++] = value._extrudedHeight;
+ array[startingIndex++] = value._granularity;
+ array[startingIndex++] = value._stRotation;
+ array[startingIndex++] = value._perPositionHeightExtrude ? 1.0 : 0.0;
+ array[startingIndex++] = value._perPositionHeight ? 1.0 : 0.0;
+ array[startingIndex++] = value._closeTop ? 1.0 : 0.0;
+ array[startingIndex++] = value._closeBottom ? 1.0 : 0.0;
+ array[startingIndex++] = value._shadowVolume ? 1.0 : 0.0;
+ array[startingIndex++] = when.defaultValue(value._offsetAttribute, -1);
+ array[startingIndex++] = value._arcType;
+ array[startingIndex] = value.packedLength;
+
+ return array;
+ };
+
+ var scratchEllipsoid = Cartesian2.Ellipsoid.clone(Cartesian2.Ellipsoid.UNIT_SPHERE);
+ var scratchVertexFormat = new VertexFormat.VertexFormat();
+
+ //Only used to avoid inability to default construct.
+ 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 {PolygonGeometry} [result] The object into which to store the result.
+ */
+ PolygonGeometry.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 vertexFormat = VertexFormat.VertexFormat.unpack(array, startingIndex, scratchVertexFormat);
+ startingIndex += VertexFormat.VertexFormat.packedLength;
+
+ var height = array[startingIndex++];
+ var extrudedHeight = array[startingIndex++];
+ var granularity = array[startingIndex++];
+ var stRotation = array[startingIndex++];
+ var perPositionHeightExtrude = array[startingIndex++] === 1.0;
+ var perPositionHeight = array[startingIndex++] === 1.0;
+ var closeTop = array[startingIndex++] === 1.0;
+ var closeBottom = array[startingIndex++] === 1.0;
+ var shadowVolume = array[startingIndex++] === 1.0;
+ var offsetAttribute = array[startingIndex++];
+ var arcType = array[startingIndex++];
+ var packedLength = array[startingIndex];
+
+ if (!when.defined(result)) {
+ result = new PolygonGeometry(dummyOptions);
+ }
+
+ result._polygonHierarchy = polygonHierarchy;
+ result._ellipsoid = Cartesian2.Ellipsoid.clone(ellipsoid, result._ellipsoid);
+ result._vertexFormat = VertexFormat.VertexFormat.clone(vertexFormat, result._vertexFormat);
+ result._height = height;
+ result._extrudedHeight = extrudedHeight;
+ result._granularity = granularity;
+ result._stRotation = stRotation;
+ result._perPositionHeightExtrude = perPositionHeightExtrude;
+ result._perPositionHeight = perPositionHeight;
+ result._closeTop = closeTop;
+ result._closeBottom = closeBottom;
+ result._shadowVolume = shadowVolume;
+ result._offsetAttribute = offsetAttribute === -1 ? undefined : offsetAttribute;
+ result._arcType = arcType;
+ result.packedLength = packedLength;
+ return result;
+ };
+
+ /**
+ * Returns the bounding rectangle given the provided options
+ *
+ * @param {Object} options Object with the following properties:
+ * @param {PolygonHierarchy} options.polygonHierarchy A polygon hierarchy that can include holes.
+ * @param {Number} [options.granularity=CesiumMath.RADIANS_PER_DEGREE] The distance, in radians, between each latitude and longitude. Determines the number of positions sampled.
+ * @param {ArcType} [options.arcType=ArcType.GEODESIC] The type of line the polygon edges must follow. Valid options are {@link ArcType.GEODESIC} and {@link ArcType.RHUMB}.
+ * @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid to be used as a reference.
+ * @param {Rectangle} [result] An object in which to store the result.
+ *
+ * @returns {Rectangle} The result rectangle
+ */
+ PolygonGeometry.computeRectangle = function(options, result) {
+ //>>includeStart('debug', pragmas.debug);
+ Check.Check.typeOf.object('options', options);
+ Check.Check.typeOf.object('options.polygonHierarchy', options.polygonHierarchy);
+ //>>includeEnd('debug');
+
+ var granularity = when.defaultValue(options.granularity, _Math.CesiumMath.RADIANS_PER_DEGREE);
+ var arcType = when.defaultValue(options.arcType, ArcType.ArcType.GEODESIC);
+ //>>includeStart('debug', pragmas.debug);
+ if (arcType !== ArcType.ArcType.GEODESIC && 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);
+
+ return computeRectangle(polygonHierarchy.positions, ellipsoid, arcType, granularity, result);
+ };
+
+ /**
+ * Computes the geometric representation of a polygon, including its vertices, indices, and a bounding sphere.
+ *
+ * @param {PolygonGeometry} polygonGeometry A description of the polygon.
+ * @returns {Geometry|undefined} The computed vertices and indices.
+ */
+ PolygonGeometry.createGeometry = function(polygonGeometry) {
+ var vertexFormat = polygonGeometry._vertexFormat;
+ var ellipsoid = polygonGeometry._ellipsoid;
+ var granularity = polygonGeometry._granularity;
+ var stRotation = polygonGeometry._stRotation;
+ var polygonHierarchy = polygonGeometry._polygonHierarchy;
+ var perPositionHeight = polygonGeometry._perPositionHeight;
+ var closeTop = polygonGeometry._closeTop;
+ var closeBottom = polygonGeometry._closeBottom;
+ var arcType = polygonGeometry._arcType;
+
+ var outerPositions = polygonHierarchy.positions;
+ if (outerPositions.length < 3) {
+ return;
+ }
+
+ var tangentPlane = EllipsoidTangentPlane.EllipsoidTangentPlane.fromPoints(outerPositions, ellipsoid);
+
+ var results = PolygonGeometryLibrary.PolygonGeometryLibrary.polygonsFromHierarchy(polygonHierarchy, tangentPlane.projectPointsOntoPlane.bind(tangentPlane), !perPositionHeight, ellipsoid);
+ var hierarchy = results.hierarchy;
+ var polygons = results.polygons;
+
+ if (hierarchy.length === 0) {
+ return;
+ }
+
+ outerPositions = hierarchy[0].outerRing;
+ var boundingRectangle = PolygonGeometryLibrary.PolygonGeometryLibrary.computeBoundingRectangle(tangentPlane.plane.normal, tangentPlane.projectPointOntoPlane.bind(tangentPlane), outerPositions, stRotation, scratchBoundingRectangle);
+
+ var geometries = [];
+
+ var height = polygonGeometry._height;
+ var extrudedHeight = polygonGeometry._extrudedHeight;
+ var extrude = polygonGeometry._perPositionHeightExtrude || !_Math.CesiumMath.equalsEpsilon(height, extrudedHeight, 0, _Math.CesiumMath.EPSILON2);
+
+ var options = {
+ perPositionHeight: perPositionHeight,
+ vertexFormat: vertexFormat,
+ geometry: undefined,
+ tangentPlane: tangentPlane,
+ boundingRectangle: boundingRectangle,
+ ellipsoid: ellipsoid,
+ stRotation: stRotation,
+ bottom: false,
+ top: true,
+ wall: false,
+ extrude: false,
+ arcType: arcType
+ };
+
+ var i;
+
+ if (extrude) {
+ options.extrude = true;
+ options.top = closeTop;
+ options.bottom = closeBottom;
+ options.shadowVolume = polygonGeometry._shadowVolume;
+ options.offsetAttribute = polygonGeometry._offsetAttribute;
+ for (i = 0; i < polygons.length; i++) {
+ var splitGeometry = createGeometryFromPositionsExtruded(ellipsoid, polygons[i], granularity, hierarchy[i], perPositionHeight, closeTop, closeBottom, vertexFormat, arcType, polygonGeometry._extrudeOutering);
+
+ var topAndBottom;
+ if (closeTop && closeBottom) {
+ topAndBottom = splitGeometry.topAndBottom;
+ options.geometry = PolygonGeometryLibrary.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(topAndBottom.geometry, height, extrudedHeight, ellipsoid, perPositionHeight);
+ } else if (closeTop) {
+ topAndBottom = splitGeometry.topAndBottom;
+ topAndBottom.geometry.attributes.position.values = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(topAndBottom.geometry.attributes.position.values, height, ellipsoid, !perPositionHeight);
+ options.geometry = topAndBottom.geometry;
+ } else if (closeBottom) {
+ topAndBottom = splitGeometry.topAndBottom;
+ topAndBottom.geometry.attributes.position.values = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(topAndBottom.geometry.attributes.position.values, extrudedHeight, ellipsoid, true);
+ options.geometry = topAndBottom.geometry;
+ }
+ if (closeTop || closeBottom) {
+ options.wall = false;
+ topAndBottom.geometry = computeAttributes(options);
+ geometries.push(topAndBottom);
+ }
+
+ var walls = splitGeometry.walls;
+ options.wall = true;
+ for ( var k = 0; k < walls.length; k++) {
+ var wall = walls[k];
+ options.geometry = PolygonGeometryLibrary.PolygonGeometryLibrary.scaleToGeodeticHeightExtruded(wall.geometry, height, extrudedHeight, ellipsoid, perPositionHeight);
+ wall.geometry = computeAttributes(options);
+ geometries.push(wall);
+ }
+ }
+ } else {
+ for (i = 0; i < polygons.length; i++) {
+ var geometryInstance = new GeometryInstance.GeometryInstance({
+ geometry : PolygonGeometryLibrary.PolygonGeometryLibrary.createGeometryFromPositions(ellipsoid, polygons[i], granularity, perPositionHeight, vertexFormat, arcType)
+ });
+ geometryInstance.geometry.attributes.position.values = PolygonPipeline.PolygonPipeline.scaleToGeodeticHeight(geometryInstance.geometry.attributes.position.values, height, ellipsoid, !perPositionHeight);
+ options.geometry = geometryInstance.geometry;
+ geometryInstance.geometry = computeAttributes(options);
+
+ if (when.defined(polygonGeometry._offsetAttribute)) {
+ var length = geometryInstance.geometry.attributes.position.values.length;
+ var applyOffset = new Uint8Array(length / 3);
+ var 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];
+ geometry.attributes.position.values = new Float64Array(geometry.attributes.position.values);
+ geometry.indices = IndexDatatype.IndexDatatype.createTypedArray(geometry.attributes.position.values.length / 3, geometry.indices);
+
+ var attributes = geometry.attributes;
+ var boundingSphere = BoundingSphere.BoundingSphere.fromVertices(attributes.position.values);
+
+ if (!vertexFormat.position) {
+ delete attributes.position;
+ }
+
+ return new GeometryAttribute.Geometry({
+ attributes : attributes,
+ indices : geometry.indices,
+ primitiveType : geometry.primitiveType,
+ boundingSphere : boundingSphere,
+ offsetAttribute : polygonGeometry._offsetAttribute
+ });
+ };
+
+ /**
+ * @private
+ */
+ PolygonGeometry.createShadowVolume = function(polygonGeometry, minHeightFunc, maxHeightFunc) {
+ var granularity = polygonGeometry._granularity;
+ var ellipsoid = polygonGeometry._ellipsoid;
+
+ var minHeight = minHeightFunc(granularity, ellipsoid);
+ var maxHeight = maxHeightFunc(granularity, ellipsoid);
+
+ return new PolygonGeometry({
+ polygonHierarchy : polygonGeometry._polygonHierarchy,
+ ellipsoid : ellipsoid,
+ stRotation : polygonGeometry._stRotation,
+ granularity : granularity,
+ perPositionHeight : false,
+ extrudedHeight : minHeight,
+ height : maxHeight,
+ vertexFormat : VertexFormat.VertexFormat.POSITION_ONLY,
+ shadowVolume: true,
+ arcType : polygonGeometry._arcType
+ });
+ };
+
+ function textureCoordinateRotationPoints(polygonGeometry) {
+ var stRotation = -polygonGeometry._stRotation;
+ if (stRotation === 0.0) {
+ return [0, 0, 0, 1, 1, 0];
+ }
+ var ellipsoid = polygonGeometry._ellipsoid;
+ var positions = polygonGeometry._polygonHierarchy.positions;
+ var boundingRectangle = polygonGeometry.rectangle;
+ return GeometryAttribute.Geometry._textureCoordinateRotationPoints(positions, stRotation, ellipsoid, boundingRectangle);
+ }
+
+ Object.defineProperties(PolygonGeometry.prototype, {
+ /**
+ * @private
+ */
+ rectangle : {
+ get : function() {
+ if (!when.defined(this._rectangle)) {
+ var positions = this._polygonHierarchy.positions;
+ this._rectangle = computeRectangle(positions, this._ellipsoid, this._arcType, this._granularity);
+ }
+
+ return this._rectangle;
+ }
+ },
+ /**
+ * For remapping texture coordinates when rendering PolygonGeometries as GroundPrimitives.
+ * @private
+ */
+ textureCoordinateRotationPoints : {
+ get : function() {
+ if (!when.defined(this._textureCoordinateRotationPoints)) {
+ this._textureCoordinateRotationPoints = textureCoordinateRotationPoints(this);
+ }
+ return this._textureCoordinateRotationPoints;
+ }
+ }
+ });
+
+ function createPolygonGeometry(polygonGeometry, offset) {
+ if (when.defined(offset)) {
+ polygonGeometry = PolygonGeometry.unpack(polygonGeometry, offset);
+ }
+ polygonGeometry._ellipsoid = Cartesian2.Ellipsoid.clone(polygonGeometry._ellipsoid);
+ return PolygonGeometry.createGeometry(polygonGeometry);
+ }
+
+ return createPolygonGeometry;
+
+});
--
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