text: /**
   * 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/main/LICENSE.md for full licensing details.
   */
  
  define(['./AttributeCompression-dae39175', './Matrix2-57f130bc', './ComponentDatatype-17ffa790', './createTaskProcessorWorker', './RuntimeError-1349fdaf', './when-4bbc8319', './WebGLConstants-508b9636'], (function (AttributeCompression, Matrix2, ComponentDatatype, createTaskProcessorWorker, RuntimeError, when, WebGLConstants) { 'use strict';
  
    const maxShort = 32767;
  
    const scratchBVCartographic = new Matrix2.Cartographic();
    const scratchEncodedPosition = new Matrix2.Cartesian3();
  
    const scratchRectangle = new Matrix2.Rectangle();
    const scratchEllipsoid = new Matrix2.Ellipsoid();
    const scratchMinMaxHeights = {
      min: undefined,
      max: undefined,
    };
  
    function unpackBuffer(packedBuffer) {
      packedBuffer = new Float64Array(packedBuffer);
  
      let offset = 0;
      scratchMinMaxHeights.min = packedBuffer[offset++];
      scratchMinMaxHeights.max = packedBuffer[offset++];
  
      Matrix2.Rectangle.unpack(packedBuffer, offset, scratchRectangle);
      offset += Matrix2.Rectangle.packedLength;
  
      Matrix2.Ellipsoid.unpack(packedBuffer, offset, scratchEllipsoid);
    }
  
    function createVectorTilePoints(parameters, transferableObjects) {
      const positions = new Uint16Array(parameters.positions);
  
      unpackBuffer(parameters.packedBuffer);
      const rectangle = scratchRectangle;
      const ellipsoid = scratchEllipsoid;
      const minimumHeight = scratchMinMaxHeights.min;
      const maximumHeight = scratchMinMaxHeights.max;
  
      const positionsLength = positions.length / 3;
      const uBuffer = positions.subarray(0, positionsLength);
      const vBuffer = positions.subarray(positionsLength, 2 * positionsLength);
      const heightBuffer = positions.subarray(
        2 * positionsLength,
        3 * positionsLength
      );
      AttributeCompression.AttributeCompression.zigZagDeltaDecode(uBuffer, vBuffer, heightBuffer);
  
      const decoded = new Float64Array(positions.length);
      for (let i = 0; i < positionsLength; ++i) {
        const u = uBuffer[i];
        const v = vBuffer[i];
        const h = heightBuffer[i];
  
        const lon = ComponentDatatype.CesiumMath.lerp(rectangle.west, rectangle.east, u / maxShort);
        const lat = ComponentDatatype.CesiumMath.lerp(rectangle.south, rectangle.north, v / maxShort);
        const alt = ComponentDatatype.CesiumMath.lerp(minimumHeight, maximumHeight, h / maxShort);
  
        const cartographic = Matrix2.Cartographic.fromRadians(
          lon,
          lat,
          alt,
          scratchBVCartographic
        );
        const decodedPosition = ellipsoid.cartographicToCartesian(
          cartographic,
          scratchEncodedPosition
        );
        Matrix2.Cartesian3.pack(decodedPosition, decoded, i * 3);
      }
  
      transferableObjects.push(decoded.buffer);
  
      return {
        positions: decoded.buffer,
      };
    }
    var createVectorTilePoints$1 = createTaskProcessorWorker(createVectorTilePoints);
  
    return createVectorTilePoints$1;
  
  }));
  //# sourceMappingURL=createVectorTilePoints.js.map
  