/** * @license * Cesium - https://github.com/CesiumGS/cesium * Version 1.117 * * Copyright 2011-2022 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/main/LICENSE.md for full licensing details. */ import { BoundingRectangle_default } from "./chunk-QKF7XXEQ.js"; import { PolygonGeometryLibrary_default } from "./chunk-LVJCR7DH.js"; import { ArcType_default } from "./chunk-YLZTCEBJ.js"; import { GeometryInstance_default } from "./chunk-AOIKO5Y7.js"; import { GeometryPipeline_default } from "./chunk-PK7TEP3J.js"; import "./chunk-PS6AEMBR.js"; import "./chunk-AOFMPKUB.js"; import { GeometryOffsetAttribute_default } from "./chunk-S4XDCPKD.js"; import { VertexFormat_default } from "./chunk-4KIUON73.js"; import { EllipsoidTangentPlane_default } from "./chunk-CE6GTZ4I.js"; import "./chunk-6HCAQOVK.js"; import { PolygonPipeline_default, WindingOrder_default } from "./chunk-RR7EOKGZ.js"; import "./chunk-V7JB576Q.js"; import "./chunk-CYAJYEKW.js"; import { IntersectionTests_default, Ray_default } from "./chunk-G7CJQKKD.js"; import "./chunk-FOZQIHZK.js"; import { IndexDatatype_default } from "./chunk-WWP3I7R5.js"; import "./chunk-RL73GOEF.js"; import { GeometryAttribute_default, Geometry_default } from "./chunk-34DGOKCO.js"; import { BoundingSphere_default } from "./chunk-NI2R52QD.js"; import { Quaternion_default, Rectangle_default } from "./chunk-I5TDPPC4.js"; import { ComponentDatatype_default } from "./chunk-TMMOULW3.js"; import { Cartesian2_default, Cartesian3_default, Cartographic_default, Ellipsoid_default, Matrix3_default } from "./chunk-C5CE4OG6.js"; import { Math_default } from "./chunk-4PHPQRSH.js"; import "./chunk-PEABJLCK.js"; import "./chunk-WFICTTOE.js"; import { defaultValue_default } from "./chunk-UCPPWV64.js"; import { Check_default, DeveloperError_default } from "./chunk-U4IMCOF5.js"; import { defined_default } from "./chunk-BDUJXBVF.js"; // packages/engine/Source/Core/Stereographic.js function Stereographic(position, tangentPlane) { this.position = position; if (!defined_default(this.position)) { this.position = new Cartesian2_default(); } this.tangentPlane = tangentPlane; if (!defined_default(this.tangentPlane)) { this.tangentPlane = Stereographic.NORTH_POLE_TANGENT_PLANE; } } Object.defineProperties(Stereographic.prototype, { /** * Gets the ellipsoid. * @memberof Stereographic.prototype * @type {Ellipsoid} */ ellipsoid: { get: function() { return this.tangentPlane.ellipsoid; } }, /** * Gets the x coordinate * @memberof Stereographic.prototype * @type {number} */ x: { get: function() { return this.position.x; } }, /** * Gets the y coordinate * @memberof Stereographic.prototype * @type {number} */ y: { get: function() { return this.position.y; } }, /** * Computes the conformal latitude, or the ellipsoidal latitude projected onto an arbitrary sphere. * @memberof Stereographic.prototype * @type {number} */ conformalLatitude: { get: function() { const r = Cartesian2_default.magnitude(this.position); const d = 2 * this.ellipsoid.maximumRadius; const sign = this.tangentPlane.plane.normal.z; return sign * (Math_default.PI_OVER_TWO - 2 * Math.atan2(r, d)); } }, /** * Computes the longitude * @memberof Stereographic.prototype * @type {number} */ longitude: { get: function() { let longitude = Math_default.PI_OVER_TWO + Math.atan2(this.y, this.x); if (longitude > Math.PI) { longitude -= Math_default.TWO_PI; } return longitude; } } }); var scratchCartographic = new Cartographic_default(); var scratchCartesian = new Cartesian3_default(); Stereographic.prototype.getLatitude = function(ellipsoid) { if (!defined_default(ellipsoid)) { ellipsoid = Ellipsoid_default.WGS84; } scratchCartographic.latitude = this.conformalLatitude; scratchCartographic.longitude = this.longitude; scratchCartographic.height = 0; const cartesian = this.ellipsoid.cartographicToCartesian( scratchCartographic, scratchCartesian ); ellipsoid.cartesianToCartographic(cartesian, scratchCartographic); return scratchCartographic.latitude; }; var scratchProjectPointOntoPlaneRay = new Ray_default(); var scratchProjectPointOntoPlaneRayDirection = new Cartesian3_default(); var scratchProjectPointOntoPlaneCartesian3 = new Cartesian3_default(); Stereographic.fromCartesian = function(cartesian, result) { Check_default.defined("cartesian", cartesian); const sign = Math_default.signNotZero(cartesian.z); let tangentPlane = Stereographic.NORTH_POLE_TANGENT_PLANE; let origin = Stereographic.SOUTH_POLE; if (sign < 0) { tangentPlane = Stereographic.SOUTH_POLE_TANGENT_PLANE; origin = Stereographic.NORTH_POLE; } const ray = scratchProjectPointOntoPlaneRay; ray.origin = tangentPlane.ellipsoid.scaleToGeocentricSurface( cartesian, ray.origin ); ray.direction = Cartesian3_default.subtract( ray.origin, origin, scratchProjectPointOntoPlaneRayDirection ); Cartesian3_default.normalize(ray.direction, ray.direction); const intersectionPoint = IntersectionTests_default.rayPlane( ray, tangentPlane.plane, scratchProjectPointOntoPlaneCartesian3 ); const v = Cartesian3_default.subtract(intersectionPoint, origin, intersectionPoint); const x = Cartesian3_default.dot(tangentPlane.xAxis, v); const y = sign * Cartesian3_default.dot(tangentPlane.yAxis, v); if (!defined_default(result)) { return new Stereographic(new Cartesian2_default(x, y), tangentPlane); } result.position = new Cartesian2_default(x, y); result.tangentPlane = tangentPlane; return result; }; Stereographic.fromCartesianArray = function(cartesians, result) { Check_default.defined("cartesians", cartesians); const length = cartesians.length; if (!defined_default(result)) { result = new Array(length); } else { result.length = length; } for (let i = 0; i < length; i++) { result[i] = Stereographic.fromCartesian(cartesians[i], result[i]); } return result; }; Stereographic.clone = function(stereographic, result) { if (!defined_default(stereographic)) { return void 0; } if (!defined_default(result)) { return new Stereographic( stereographic.position, stereographic.tangentPlane ); } result.position = stereographic.position; result.tangentPlane = stereographic.tangentPlane; return result; }; Stereographic.HALF_UNIT_SPHERE = Object.freeze(new Ellipsoid_default(0.5, 0.5, 0.5)); Stereographic.NORTH_POLE = Object.freeze(new Cartesian3_default(0, 0, 0.5)); Stereographic.SOUTH_POLE = Object.freeze(new Cartesian3_default(0, 0, -0.5)); Stereographic.NORTH_POLE_TANGENT_PLANE = Object.freeze( new EllipsoidTangentPlane_default( Stereographic.NORTH_POLE, Stereographic.HALF_UNIT_SPHERE ) ); Stereographic.SOUTH_POLE_TANGENT_PLANE = Object.freeze( new EllipsoidTangentPlane_default( Stereographic.SOUTH_POLE, Stereographic.HALF_UNIT_SPHERE ) ); var Stereographic_default = Stereographic; // packages/engine/Source/Core/PolygonGeometry.js var scratchCarto1 = new Cartographic_default(); var scratchCarto2 = new Cartographic_default(); function adjustPosHeightsForNormal(position, p1, p2, ellipsoid) { const carto1 = ellipsoid.cartesianToCartographic(position, scratchCarto1); const height = carto1.height; const p1Carto = ellipsoid.cartesianToCartographic(p1, scratchCarto2); p1Carto.height = height; ellipsoid.cartographicToCartesian(p1Carto, p1); const p2Carto = ellipsoid.cartesianToCartographic(p2, scratchCarto2); p2Carto.height = height - 100; ellipsoid.cartographicToCartesian(p2Carto, p2); } var scratchBoundingRectangle = new BoundingRectangle_default(); var scratchPosition = new Cartesian3_default(); var scratchNormal = new Cartesian3_default(); var scratchTangent = new Cartesian3_default(); var scratchBitangent = new Cartesian3_default(); var p1Scratch = new Cartesian3_default(); var p2Scratch = new Cartesian3_default(); var scratchPerPosNormal = new Cartesian3_default(); var scratchPerPosTangent = new Cartesian3_default(); var scratchPerPosBitangent = new Cartesian3_default(); var appendTextureCoordinatesOrigin = new Cartesian2_default(); var appendTextureCoordinatesCartesian2 = new Cartesian2_default(); var appendTextureCoordinatesCartesian3 = new Cartesian3_default(); var appendTextureCoordinatesQuaternion = new Quaternion_default(); var appendTextureCoordinatesMatrix3 = new Matrix3_default(); var tangentMatrixScratch = new Matrix3_default(); function computeAttributes(options) { const vertexFormat = options.vertexFormat; const geometry = options.geometry; const shadowVolume = options.shadowVolume; const flatPositions = geometry.attributes.position.values; const flatTexcoords = defined_default(geometry.attributes.st) ? geometry.attributes.st.values : void 0; let length = flatPositions.length; const wall = options.wall; const top = options.top || wall; const bottom = options.bottom || wall; if (vertexFormat.st || vertexFormat.normal || vertexFormat.tangent || vertexFormat.bitangent || shadowVolume) { const boundingRectangle = options.boundingRectangle; const rotationAxis = options.rotationAxis; const projectTo2d = options.projectTo2d; const ellipsoid = options.ellipsoid; const stRotation = options.stRotation; const perPositionHeight = options.perPositionHeight; const origin = appendTextureCoordinatesOrigin; origin.x = boundingRectangle.x; origin.y = boundingRectangle.y; const textureCoordinates = vertexFormat.st ? new Float32Array(2 * (length / 3)) : void 0; let normals; if (vertexFormat.normal) { if (perPositionHeight && top && !wall) { normals = geometry.attributes.normal.values; } else { normals = new Float32Array(length); } } const tangents = vertexFormat.tangent ? new Float32Array(length) : void 0; const bitangents = vertexFormat.bitangent ? new Float32Array(length) : void 0; const extrudeNormals = shadowVolume ? new Float32Array(length) : void 0; let textureCoordIndex = 0; let attrIndex = 0; let normal = scratchNormal; let tangent = scratchTangent; let bitangent = scratchBitangent; let recomputeNormal = true; let textureMatrix = appendTextureCoordinatesMatrix3; let tangentRotationMatrix = tangentMatrixScratch; if (stRotation !== 0) { let rotation = Quaternion_default.fromAxisAngle( rotationAxis, stRotation, appendTextureCoordinatesQuaternion ); textureMatrix = Matrix3_default.fromQuaternion(rotation, textureMatrix); rotation = Quaternion_default.fromAxisAngle( rotationAxis, -stRotation, appendTextureCoordinatesQuaternion ); tangentRotationMatrix = Matrix3_default.fromQuaternion( rotation, tangentRotationMatrix ); } else { textureMatrix = Matrix3_default.clone(Matrix3_default.IDENTITY, textureMatrix); tangentRotationMatrix = Matrix3_default.clone( Matrix3_default.IDENTITY, tangentRotationMatrix ); } let bottomOffset = 0; let bottomOffset2 = 0; if (top && bottom) { bottomOffset = length / 2; bottomOffset2 = length / 3; length /= 2; } for (let i = 0; i < length; i += 3) { const position = Cartesian3_default.fromArray( flatPositions, i, appendTextureCoordinatesCartesian3 ); if (vertexFormat.st) { if (!defined_default(flatTexcoords)) { let p = Matrix3_default.multiplyByVector( textureMatrix, position, scratchPosition ); p = ellipsoid.scaleToGeodeticSurface(p, p); const st = projectTo2d([p], appendTextureCoordinatesCartesian2)[0]; Cartesian2_default.subtract(st, origin, st); const stx = Math_default.clamp(st.x / boundingRectangle.width, 0, 1); const sty = Math_default.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) { const attrIndex1 = attrIndex + 1; const attrIndex2 = attrIndex + 2; if (wall) { if (i + 3 < length) { const p1 = Cartesian3_default.fromArray(flatPositions, i + 3, p1Scratch); if (recomputeNormal) { const p2 = Cartesian3_default.fromArray( flatPositions, i + length, p2Scratch ); if (perPositionHeight) { adjustPosHeightsForNormal(position, p1, p2, ellipsoid); } Cartesian3_default.subtract(p1, position, p1); Cartesian3_default.subtract(p2, position, p2); normal = Cartesian3_default.normalize( Cartesian3_default.cross(p2, p1, normal), normal ); recomputeNormal = false; } if (Cartesian3_default.equalsEpsilon(p1, position, Math_default.EPSILON10)) { recomputeNormal = true; } } if (vertexFormat.tangent || vertexFormat.bitangent) { bitangent = ellipsoid.geodeticSurfaceNormal(position, bitangent); if (vertexFormat.tangent) { tangent = Cartesian3_default.normalize( Cartesian3_default.cross(bitangent, normal, tangent), tangent ); } } } else { normal = ellipsoid.geodeticSurfaceNormal(position, normal); if (vertexFormat.tangent || vertexFormat.bitangent) { if (perPositionHeight) { scratchPerPosNormal = Cartesian3_default.fromArray( normals, attrIndex, scratchPerPosNormal ); scratchPerPosTangent = Cartesian3_default.cross( Cartesian3_default.UNIT_Z, scratchPerPosNormal, scratchPerPosTangent ); scratchPerPosTangent = Cartesian3_default.normalize( Matrix3_default.multiplyByVector( tangentRotationMatrix, scratchPerPosTangent, scratchPerPosTangent ), scratchPerPosTangent ); if (vertexFormat.bitangent) { scratchPerPosBitangent = Cartesian3_default.normalize( Cartesian3_default.cross( scratchPerPosNormal, scratchPerPosTangent, scratchPerPosBitangent ), scratchPerPosBitangent ); } } tangent = Cartesian3_default.cross(Cartesian3_default.UNIT_Z, normal, tangent); tangent = Cartesian3_default.normalize( Matrix3_default.multiplyByVector(tangentRotationMatrix, tangent, tangent), tangent ); if (vertexFormat.bitangent) { bitangent = Cartesian3_default.normalize( Cartesian3_default.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 && !defined_default(flatTexcoords)) { geometry.attributes.st = new GeometryAttribute_default({ componentDatatype: ComponentDatatype_default.FLOAT, componentsPerAttribute: 2, values: textureCoordinates }); } if (vertexFormat.normal) { geometry.attributes.normal = new GeometryAttribute_default({ componentDatatype: ComponentDatatype_default.FLOAT, componentsPerAttribute: 3, values: normals }); } if (vertexFormat.tangent) { geometry.attributes.tangent = new GeometryAttribute_default({ componentDatatype: ComponentDatatype_default.FLOAT, componentsPerAttribute: 3, values: tangents }); } if (vertexFormat.bitangent) { geometry.attributes.bitangent = new GeometryAttribute_default({ componentDatatype: ComponentDatatype_default.FLOAT, componentsPerAttribute: 3, values: bitangents }); } if (shadowVolume) { geometry.attributes.extrudeDirection = new GeometryAttribute_default({ componentDatatype: ComponentDatatype_default.FLOAT, componentsPerAttribute: 3, values: extrudeNormals }); } } if (options.extrude && defined_default(options.offsetAttribute)) { const size = flatPositions.length / 3; let offsetAttribute = new Uint8Array(size); if (options.offsetAttribute === GeometryOffsetAttribute_default.TOP) { if (top && bottom || wall) { offsetAttribute = offsetAttribute.fill(1, 0, size / 2); } else if (top) { offsetAttribute = offsetAttribute.fill(1); } } else { const offsetValue = options.offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1; offsetAttribute = offsetAttribute.fill(offsetValue); } geometry.attributes.applyOffset = new GeometryAttribute_default({ componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE, componentsPerAttribute: 1, values: offsetAttribute }); } return geometry; } var createGeometryFromPositionsExtrudedPositions = []; function createGeometryFromPositionsExtruded(ellipsoid, polygon2, textureCoordinates, granularity, hierarchy, perPositionHeight, closeTop, closeBottom, vertexFormat, arcType) { const geos = { walls: [] }; let i; if (closeTop || closeBottom) { const topGeo = PolygonGeometryLibrary_default.createGeometryFromPositions( ellipsoid, polygon2, textureCoordinates, granularity, perPositionHeight, vertexFormat, arcType ); const edgePoints = topGeo.attributes.position.values; const indices = topGeo.indices; let numPositions; let newIndices; if (closeTop && closeBottom) { const topBottomPositions = edgePoints.concat(edgePoints); numPositions = topBottomPositions.length / 3; newIndices = IndexDatatype_default.createTypedArray( numPositions, indices.length * 2 ); newIndices.set(indices); const ilength = indices.length; const length = numPositions / 2; for (i = 0; i < ilength; i += 3) { const i0 = newIndices[i] + length; const i1 = newIndices[i + 1] + length; const 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) { const normals = topGeo.attributes.normal.values; topGeo.attributes.normal.values = new Float32Array( topBottomPositions.length ); topGeo.attributes.normal.values.set(normals); } if (vertexFormat.st && defined_default(textureCoordinates)) { const texcoords = topGeo.attributes.st.values; topGeo.attributes.st.values = new Float32Array(numPositions * 2); topGeo.attributes.st.values = texcoords.concat(texcoords); } topGeo.indices = newIndices; } else if (closeBottom) { numPositions = edgePoints.length / 3; newIndices = IndexDatatype_default.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_default({ geometry: topGeo }); } let outerRing = hierarchy.outerRing; const tangentPlane = EllipsoidTangentPlane_default.fromPoints(outerRing, ellipsoid); let positions2D = tangentPlane.projectPointsOntoPlane( outerRing, createGeometryFromPositionsExtrudedPositions ); let windingOrder = PolygonPipeline_default.computeWindingOrder2D(positions2D); if (windingOrder === WindingOrder_default.CLOCKWISE) { outerRing = outerRing.slice().reverse(); } let wallGeo = PolygonGeometryLibrary_default.computeWallGeometry( outerRing, textureCoordinates, ellipsoid, granularity, perPositionHeight, arcType ); geos.walls.push( new GeometryInstance_default({ geometry: wallGeo }) ); const holes = hierarchy.holes; for (i = 0; i < holes.length; i++) { let hole = holes[i]; positions2D = tangentPlane.projectPointsOntoPlane( hole, createGeometryFromPositionsExtrudedPositions ); windingOrder = PolygonPipeline_default.computeWindingOrder2D(positions2D); if (windingOrder === WindingOrder_default.COUNTER_CLOCKWISE) { hole = hole.slice().reverse(); } wallGeo = PolygonGeometryLibrary_default.computeWallGeometry( hole, textureCoordinates, ellipsoid, granularity, perPositionHeight, arcType ); geos.walls.push( new GeometryInstance_default({ geometry: wallGeo }) ); } return geos; } function PolygonGeometry(options) { Check_default.typeOf.object("options", options); Check_default.typeOf.object("options.polygonHierarchy", options.polygonHierarchy); if (defined_default(options.perPositionHeight) && options.perPositionHeight && defined_default(options.height)) { throw new DeveloperError_default( "Cannot use both options.perPositionHeight and options.height" ); } if (defined_default(options.arcType) && options.arcType !== ArcType_default.GEODESIC && options.arcType !== ArcType_default.RHUMB) { throw new DeveloperError_default( "Invalid arcType. Valid options are ArcType.GEODESIC and ArcType.RHUMB." ); } const polygonHierarchy = options.polygonHierarchy; const vertexFormat = defaultValue_default(options.vertexFormat, VertexFormat_default.DEFAULT); const ellipsoid = defaultValue_default(options.ellipsoid, Ellipsoid_default.WGS84); const granularity = defaultValue_default( options.granularity, Math_default.RADIANS_PER_DEGREE ); const stRotation = defaultValue_default(options.stRotation, 0); const textureCoordinates = options.textureCoordinates; const perPositionHeight = defaultValue_default(options.perPositionHeight, false); const perPositionHeightExtrude = perPositionHeight && defined_default(options.extrudedHeight); let height = defaultValue_default(options.height, 0); let extrudedHeight = defaultValue_default(options.extrudedHeight, height); if (!perPositionHeightExtrude) { const h = Math.max(height, extrudedHeight); extrudedHeight = Math.min(height, extrudedHeight); height = h; } this._vertexFormat = VertexFormat_default.clone(vertexFormat); this._ellipsoid = Ellipsoid_default.clone(ellipsoid); this._granularity = granularity; this._stRotation = stRotation; this._height = height; this._extrudedHeight = extrudedHeight; this._closeTop = defaultValue_default(options.closeTop, true); this._closeBottom = defaultValue_default(options.closeBottom, true); this._polygonHierarchy = polygonHierarchy; this._perPositionHeight = perPositionHeight; this._perPositionHeightExtrude = perPositionHeightExtrude; this._shadowVolume = defaultValue_default(options.shadowVolume, false); this._workerName = "createPolygonGeometry"; this._offsetAttribute = options.offsetAttribute; this._arcType = defaultValue_default(options.arcType, ArcType_default.GEODESIC); this._rectangle = void 0; this._textureCoordinateRotationPoints = void 0; this._textureCoordinates = textureCoordinates; this.packedLength = PolygonGeometryLibrary_default.computeHierarchyPackedLength( polygonHierarchy, Cartesian3_default ) + Ellipsoid_default.packedLength + VertexFormat_default.packedLength + (textureCoordinates ? PolygonGeometryLibrary_default.computeHierarchyPackedLength( textureCoordinates, Cartesian2_default ) : 1) + 12; } PolygonGeometry.fromPositions = function(options) { options = defaultValue_default(options, defaultValue_default.EMPTY_OBJECT); Check_default.defined("options.positions", options.positions); const 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, textureCoordinates: options.textureCoordinates }; return new PolygonGeometry(newOptions); }; PolygonGeometry.pack = function(value, array, startingIndex) { Check_default.typeOf.object("value", value); Check_default.defined("array", array); startingIndex = defaultValue_default(startingIndex, 0); startingIndex = PolygonGeometryLibrary_default.packPolygonHierarchy( value._polygonHierarchy, array, startingIndex, Cartesian3_default ); Ellipsoid_default.pack(value._ellipsoid, array, startingIndex); startingIndex += Ellipsoid_default.packedLength; VertexFormat_default.pack(value._vertexFormat, array, startingIndex); startingIndex += VertexFormat_default.packedLength; array[startingIndex++] = value._height; array[startingIndex++] = value._extrudedHeight; array[startingIndex++] = value._granularity; array[startingIndex++] = value._stRotation; array[startingIndex++] = value._perPositionHeightExtrude ? 1 : 0; array[startingIndex++] = value._perPositionHeight ? 1 : 0; array[startingIndex++] = value._closeTop ? 1 : 0; array[startingIndex++] = value._closeBottom ? 1 : 0; array[startingIndex++] = value._shadowVolume ? 1 : 0; array[startingIndex++] = defaultValue_default(value._offsetAttribute, -1); array[startingIndex++] = value._arcType; if (defined_default(value._textureCoordinates)) { startingIndex = PolygonGeometryLibrary_default.packPolygonHierarchy( value._textureCoordinates, array, startingIndex, Cartesian2_default ); } else { array[startingIndex++] = -1; } array[startingIndex++] = value.packedLength; return array; }; var scratchEllipsoid = Ellipsoid_default.clone(Ellipsoid_default.UNIT_SPHERE); var scratchVertexFormat = new VertexFormat_default(); var dummyOptions = { polygonHierarchy: {} }; PolygonGeometry.unpack = function(array, startingIndex, result) { Check_default.defined("array", array); startingIndex = defaultValue_default(startingIndex, 0); const polygonHierarchy = PolygonGeometryLibrary_default.unpackPolygonHierarchy( array, startingIndex, Cartesian3_default ); startingIndex = polygonHierarchy.startingIndex; delete polygonHierarchy.startingIndex; const ellipsoid = Ellipsoid_default.unpack(array, startingIndex, scratchEllipsoid); startingIndex += Ellipsoid_default.packedLength; const vertexFormat = VertexFormat_default.unpack( array, startingIndex, scratchVertexFormat ); startingIndex += VertexFormat_default.packedLength; const height = array[startingIndex++]; const extrudedHeight = array[startingIndex++]; const granularity = array[startingIndex++]; const stRotation = array[startingIndex++]; const perPositionHeightExtrude = array[startingIndex++] === 1; const perPositionHeight = array[startingIndex++] === 1; const closeTop = array[startingIndex++] === 1; const closeBottom = array[startingIndex++] === 1; const shadowVolume = array[startingIndex++] === 1; const offsetAttribute = array[startingIndex++]; const arcType = array[startingIndex++]; const textureCoordinates = array[startingIndex] === -1 ? void 0 : PolygonGeometryLibrary_default.unpackPolygonHierarchy( array, startingIndex, Cartesian2_default ); if (defined_default(textureCoordinates)) { startingIndex = textureCoordinates.startingIndex; delete textureCoordinates.startingIndex; } else { startingIndex++; } const packedLength = array[startingIndex++]; if (!defined_default(result)) { result = new PolygonGeometry(dummyOptions); } result._polygonHierarchy = polygonHierarchy; result._ellipsoid = Ellipsoid_default.clone(ellipsoid, result._ellipsoid); result._vertexFormat = VertexFormat_default.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 ? void 0 : offsetAttribute; result._arcType = arcType; result._textureCoordinates = textureCoordinates; result.packedLength = packedLength; return result; }; var scratchCartesian0 = new Cartesian2_default(); var scratchCartesian1 = new Cartesian2_default(); var scratchPolarClosest = new Stereographic_default(); function expandRectangle(polar, lastPolar, ellipsoid, arcType, polygon2, result) { const longitude = polar.longitude; const lonAdjusted = longitude >= 0 ? longitude : longitude + Math_default.TWO_PI; polygon2.westOverIdl = Math.min(polygon2.westOverIdl, lonAdjusted); polygon2.eastOverIdl = Math.max(polygon2.eastOverIdl, lonAdjusted); result.west = Math.min(result.west, longitude); result.east = Math.max(result.east, longitude); const latitude = polar.getLatitude(ellipsoid); let segmentLatitude = latitude; result.south = Math.min(result.south, latitude); result.north = Math.max(result.north, latitude); if (arcType !== ArcType_default.RHUMB) { const segment = Cartesian2_default.subtract( lastPolar.position, polar.position, scratchCartesian0 ); const t = Cartesian2_default.dot(lastPolar.position, segment) / Cartesian2_default.dot(segment, segment); if (t > 0 && t < 1) { const projected = Cartesian2_default.add( lastPolar.position, Cartesian2_default.multiplyByScalar(segment, -t, segment), scratchCartesian1 ); const closestPolar = Stereographic_default.clone(lastPolar, scratchPolarClosest); closestPolar.position = projected; const adjustedLatitude = closestPolar.getLatitude(ellipsoid); result.south = Math.min(result.south, adjustedLatitude); result.north = Math.max(result.north, adjustedLatitude); if (Math.abs(latitude) > Math.abs(adjustedLatitude)) { segmentLatitude = adjustedLatitude; } } } const direction = lastPolar.x * polar.y - polar.x * lastPolar.y; let angle = Math.sign(direction); if (angle !== 0) { angle *= Cartesian2_default.angleBetween(lastPolar.position, polar.position); } if (segmentLatitude >= 0) { polygon2.northAngle += angle; } if (segmentLatitude <= 0) { polygon2.southAngle += angle; } } var scratchPolar = new Stereographic_default(); var scratchPolarPrevious = new Stereographic_default(); var polygon = { northAngle: 0, southAngle: 0, westOverIdl: 0, eastOverIdl: 0 }; PolygonGeometry.computeRectangleFromPositions = function(positions, ellipsoid, arcType, result) { Check_default.defined("positions", positions); if (!defined_default(result)) { result = new Rectangle_default(); } if (positions.length < 3) { return result; } result.west = Number.POSITIVE_INFINITY; result.east = Number.NEGATIVE_INFINITY; result.south = Number.POSITIVE_INFINITY; result.north = Number.NEGATIVE_INFINITY; polygon.northAngle = 0; polygon.southAngle = 0; polygon.westOverIdl = Number.POSITIVE_INFINITY; polygon.eastOverIdl = Number.NEGATIVE_INFINITY; const positionsLength = positions.length; let lastPolarPosition = Stereographic_default.fromCartesian( positions[0], scratchPolarPrevious ); for (let i = 1; i < positionsLength; i++) { const polarPosition = Stereographic_default.fromCartesian( positions[i], scratchPolar ); expandRectangle( polarPosition, lastPolarPosition, ellipsoid, arcType, polygon, result ); lastPolarPosition = Stereographic_default.clone(polarPosition, lastPolarPosition); } expandRectangle( Stereographic_default.fromCartesian(positions[0], scratchPolar), lastPolarPosition, ellipsoid, arcType, polygon, result ); if (result.east - result.west > polygon.eastOverIdl - polygon.westOverIdl) { result.west = polygon.westOverIdl; result.east = polygon.eastOverIdl; if (result.east > Math_default.PI) { result.east = result.east - Math_default.TWO_PI; } if (result.west > Math_default.PI) { result.west = result.west - Math_default.TWO_PI; } } if (Math_default.equalsEpsilon( Math.abs(polygon.northAngle), Math_default.TWO_PI, Math_default.EPSILON10 )) { result.north = Math_default.PI_OVER_TWO; result.east = Math_default.PI; result.west = -Math_default.PI; } if (Math_default.equalsEpsilon( Math.abs(polygon.southAngle), Math_default.TWO_PI, Math_default.EPSILON10 )) { result.south = -Math_default.PI_OVER_TWO; result.east = Math_default.PI; result.west = -Math_default.PI; } return result; }; var scratchPolarForPlane = new Stereographic_default(); function getTangentPlane(rectangle, positions, ellipsoid) { if (rectangle.height >= Math_default.PI || rectangle.width >= Math_default.PI) { const polar = Stereographic_default.fromCartesian( positions[0], scratchPolarForPlane ); return polar.tangentPlane; } return EllipsoidTangentPlane_default.fromPoints(positions, ellipsoid); } var scratchCartographicCyllindrical = new Cartographic_default(); function createProjectTo2d(rectangle, outerPositions, ellipsoid) { return (positions, results) => { if (rectangle.height >= Math_default.PI || rectangle.width >= Math_default.PI) { if (rectangle.south < 0 && rectangle.north > 0) { if (!defined_default(results)) { results = []; } for (let i = 0; i < positions.length; ++i) { const cartographic = ellipsoid.cartesianToCartographic( positions[i], scratchCartographicCyllindrical ); results[i] = new Cartesian2_default( cartographic.longitude / Math_default.PI, cartographic.latitude / Math_default.PI_OVER_TWO ); } results.length = positions.length; return results; } return Stereographic_default.fromCartesianArray(positions, results); } const tangentPlane = EllipsoidTangentPlane_default.fromPoints( outerPositions, ellipsoid ); return tangentPlane.projectPointsOntoPlane(positions, results); }; } function createProjectPositionTo2d(rectangle, outerRing, ellipsoid) { if (rectangle.height >= Math_default.PI || rectangle.width >= Math_default.PI) { return (position, result) => { if (rectangle.south < 0 && rectangle.north > 0) { const cartographic = ellipsoid.cartesianToCartographic( position, scratchCartographicCyllindrical ); if (!defined_default(result)) { result = new Cartesian2_default(); } result.x = cartographic.longitude / Math_default.PI; result.y = cartographic.latitude / Math_default.PI_OVER_TWO; return result; } return Stereographic_default.fromCartesian(position, result); }; } const tangentPlane = EllipsoidTangentPlane_default.fromPoints(outerRing, ellipsoid); return (position, result) => { return tangentPlane.projectPointsOntoPlane(position, result); }; } function createSplitPolygons(rectangle, ellipsoid, arcType, perPositionHeight) { return (polygons, results) => { if (!perPositionHeight && (rectangle.height >= Math_default.PI_OVER_TWO || rectangle.width >= 2 * Math_default.PI_OVER_THREE)) { return PolygonGeometryLibrary_default.splitPolygonsOnEquator( polygons, ellipsoid, arcType, results ); } return polygons; }; } function computeBoundingRectangle(outerRing, rectangle, ellipsoid, stRotation) { if (rectangle.height >= Math_default.PI || rectangle.width >= Math_default.PI) { return BoundingRectangle_default.fromRectangle( rectangle, void 0, scratchBoundingRectangle ); } const outerPositions = outerRing; const tangentPlane = EllipsoidTangentPlane_default.fromPoints( outerPositions, ellipsoid ); return PolygonGeometryLibrary_default.computeBoundingRectangle( tangentPlane.plane.normal, tangentPlane.projectPointOntoPlane.bind(tangentPlane), outerPositions, stRotation, scratchBoundingRectangle ); } PolygonGeometry.createGeometry = function(polygonGeometry) { const vertexFormat = polygonGeometry._vertexFormat; const ellipsoid = polygonGeometry._ellipsoid; const granularity = polygonGeometry._granularity; const stRotation = polygonGeometry._stRotation; const polygonHierarchy = polygonGeometry._polygonHierarchy; const perPositionHeight = polygonGeometry._perPositionHeight; const closeTop = polygonGeometry._closeTop; const closeBottom = polygonGeometry._closeBottom; const arcType = polygonGeometry._arcType; const textureCoordinates = polygonGeometry._textureCoordinates; const hasTextureCoordinates = defined_default(textureCoordinates); const outerPositions = polygonHierarchy.positions; if (outerPositions.length < 3) { return; } const rectangle = polygonGeometry.rectangle; const results = PolygonGeometryLibrary_default.polygonsFromHierarchy( polygonHierarchy, hasTextureCoordinates, createProjectTo2d(rectangle, outerPositions, ellipsoid), !perPositionHeight, ellipsoid, createSplitPolygons(rectangle, ellipsoid, arcType, perPositionHeight) ); const hierarchy = results.hierarchy; const polygons = results.polygons; const dummyFunction = function(identity) { return identity; }; const textureCoordinatePolygons = hasTextureCoordinates ? PolygonGeometryLibrary_default.polygonsFromHierarchy( textureCoordinates, true, dummyFunction, false, ellipsoid ).polygons : void 0; if (hierarchy.length === 0) { return; } const outerRing = hierarchy[0].outerRing; const boundingRectangle = computeBoundingRectangle( outerRing, rectangle, ellipsoid, stRotation ); const geometries = []; const height = polygonGeometry._height; const extrudedHeight = polygonGeometry._extrudedHeight; const extrude = polygonGeometry._perPositionHeightExtrude || !Math_default.equalsEpsilon(height, extrudedHeight, 0, Math_default.EPSILON2); const options = { perPositionHeight, vertexFormat, geometry: void 0, rotationAxis: getTangentPlane(rectangle, outerRing, ellipsoid).plane.normal, projectTo2d: createProjectPositionTo2d(rectangle, outerRing, ellipsoid), boundingRectangle, ellipsoid, stRotation, textureCoordinates: void 0, bottom: false, top: true, wall: false, extrude: false, arcType }; let 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++) { const splitGeometry = createGeometryFromPositionsExtruded( ellipsoid, polygons[i], hasTextureCoordinates ? textureCoordinatePolygons[i] : void 0, granularity, hierarchy[i], perPositionHeight, closeTop, closeBottom, vertexFormat, arcType ); let topAndBottom; if (closeTop && closeBottom) { topAndBottom = splitGeometry.topAndBottom; options.geometry = PolygonGeometryLibrary_default.scaleToGeodeticHeightExtruded( topAndBottom.geometry, height, extrudedHeight, ellipsoid, perPositionHeight ); } else if (closeTop) { topAndBottom = splitGeometry.topAndBottom; topAndBottom.geometry.attributes.position.values = PolygonPipeline_default.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_default.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); } const walls = splitGeometry.walls; options.wall = true; for (let k = 0; k < walls.length; k++) { const wall = walls[k]; options.geometry = PolygonGeometryLibrary_default.scaleToGeodeticHeightExtruded( wall.geometry, height, extrudedHeight, ellipsoid, perPositionHeight ); wall.geometry = computeAttributes(options); geometries.push(wall); } } } else { for (i = 0; i < polygons.length; i++) { const geometryInstance = new GeometryInstance_default({ geometry: PolygonGeometryLibrary_default.createGeometryFromPositions( ellipsoid, polygons[i], hasTextureCoordinates ? textureCoordinatePolygons[i] : void 0, granularity, perPositionHeight, vertexFormat, arcType ) }); geometryInstance.geometry.attributes.position.values = PolygonPipeline_default.scaleToGeodeticHeight( geometryInstance.geometry.attributes.position.values, height, ellipsoid, !perPositionHeight ); options.geometry = geometryInstance.geometry; geometryInstance.geometry = computeAttributes(options); if (defined_default(polygonGeometry._offsetAttribute)) { const length = geometryInstance.geometry.attributes.position.values.length; const offsetValue = polygonGeometry._offsetAttribute === GeometryOffsetAttribute_default.NONE ? 0 : 1; const applyOffset = new Uint8Array(length / 3).fill(offsetValue); geometryInstance.geometry.attributes.applyOffset = new GeometryAttribute_default( { componentDatatype: ComponentDatatype_default.UNSIGNED_BYTE, componentsPerAttribute: 1, values: applyOffset } ); } geometries.push(geometryInstance); } } const geometry = GeometryPipeline_default.combineInstances(geometries)[0]; geometry.attributes.position.values = new Float64Array( geometry.attributes.position.values ); geometry.indices = IndexDatatype_default.createTypedArray( geometry.attributes.position.values.length / 3, geometry.indices ); const attributes = geometry.attributes; const boundingSphere = BoundingSphere_default.fromVertices( attributes.position.values ); if (!vertexFormat.position) { delete attributes.position; } return new Geometry_default({ attributes, indices: geometry.indices, primitiveType: geometry.primitiveType, boundingSphere, offsetAttribute: polygonGeometry._offsetAttribute }); }; PolygonGeometry.createShadowVolume = function(polygonGeometry, minHeightFunc, maxHeightFunc) { const granularity = polygonGeometry._granularity; const ellipsoid = polygonGeometry._ellipsoid; const minHeight = minHeightFunc(granularity, ellipsoid); const maxHeight = maxHeightFunc(granularity, ellipsoid); return new PolygonGeometry({ polygonHierarchy: polygonGeometry._polygonHierarchy, ellipsoid, stRotation: polygonGeometry._stRotation, granularity, perPositionHeight: false, extrudedHeight: minHeight, height: maxHeight, vertexFormat: VertexFormat_default.POSITION_ONLY, shadowVolume: true, arcType: polygonGeometry._arcType }); }; function textureCoordinateRotationPoints(polygonGeometry) { const stRotation = -polygonGeometry._stRotation; if (stRotation === 0) { return [0, 0, 0, 1, 1, 0]; } const ellipsoid = polygonGeometry._ellipsoid; const positions = polygonGeometry._polygonHierarchy.positions; const boundingRectangle = polygonGeometry.rectangle; return Geometry_default._textureCoordinateRotationPoints( positions, stRotation, ellipsoid, boundingRectangle ); } Object.defineProperties(PolygonGeometry.prototype, { /** * @private */ rectangle: { get: function() { if (!defined_default(this._rectangle)) { const positions = this._polygonHierarchy.positions; this._rectangle = PolygonGeometry.computeRectangleFromPositions( positions, this._ellipsoid, this._arcType ); } return this._rectangle; } }, /** * For remapping texture coordinates when rendering PolygonGeometries as GroundPrimitives. * @private */ textureCoordinateRotationPoints: { get: function() { if (!defined_default(this._textureCoordinateRotationPoints)) { this._textureCoordinateRotationPoints = textureCoordinateRotationPoints( this ); } return this._textureCoordinateRotationPoints; } } }); var PolygonGeometry_default = PolygonGeometry; // packages/engine/Source/Workers/createPolygonGeometry.js function createPolygonGeometry(polygonGeometry, offset) { if (defined_default(offset)) { polygonGeometry = PolygonGeometry_default.unpack(polygonGeometry, offset); } polygonGeometry._ellipsoid = Ellipsoid_default.clone(polygonGeometry._ellipsoid); return PolygonGeometry_default.createGeometry(polygonGeometry); } var createPolygonGeometry_default = createPolygonGeometry; export { createPolygonGeometry_default as default };