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- {"version":3,"file":"createVectorTilePoints.js","sources":["../../../../Source/WorkersES6/createVectorTilePoints.js"],"sourcesContent":["import AttributeCompression from \"../Core/AttributeCompression.js\";\nimport Cartesian3 from \"../Core/Cartesian3.js\";\nimport Cartographic from \"../Core/Cartographic.js\";\nimport Ellipsoid from \"../Core/Ellipsoid.js\";\nimport CesiumMath from \"../Core/Math.js\";\nimport Rectangle from \"../Core/Rectangle.js\";\nimport createTaskProcessorWorker from \"./createTaskProcessorWorker.js\";\n\nvar maxShort = 32767;\n\nvar scratchBVCartographic = new Cartographic();\nvar scratchEncodedPosition = new Cartesian3();\n\nvar scratchRectangle = new Rectangle();\nvar scratchEllipsoid = new Ellipsoid();\nvar scratchMinMaxHeights = {\n min: undefined,\n max: undefined,\n};\n\nfunction unpackBuffer(packedBuffer) {\n packedBuffer = new Float64Array(packedBuffer);\n\n var offset = 0;\n scratchMinMaxHeights.min = packedBuffer[offset++];\n scratchMinMaxHeights.max = packedBuffer[offset++];\n\n Rectangle.unpack(packedBuffer, offset, scratchRectangle);\n offset += Rectangle.packedLength;\n\n Ellipsoid.unpack(packedBuffer, offset, scratchEllipsoid);\n}\n\nfunction createVectorTilePoints(parameters, transferableObjects) {\n var positions = new Uint16Array(parameters.positions);\n\n unpackBuffer(parameters.packedBuffer);\n var rectangle = scratchRectangle;\n var ellipsoid = scratchEllipsoid;\n var minimumHeight = scratchMinMaxHeights.min;\n var maximumHeight = scratchMinMaxHeights.max;\n\n var positionsLength = positions.length / 3;\n var uBuffer = positions.subarray(0, positionsLength);\n var vBuffer = positions.subarray(positionsLength, 2 * positionsLength);\n var heightBuffer = positions.subarray(\n 2 * positionsLength,\n 3 * positionsLength\n );\n AttributeCompression.zigZagDeltaDecode(uBuffer, vBuffer, heightBuffer);\n\n var decoded = new Float64Array(positions.length);\n for (var i = 0; i < positionsLength; ++i) {\n var u = uBuffer[i];\n var v = vBuffer[i];\n var h = heightBuffer[i];\n\n var lon = CesiumMath.lerp(rectangle.west, rectangle.east, u / maxShort);\n var lat = CesiumMath.lerp(rectangle.south, rectangle.north, v / maxShort);\n var alt = CesiumMath.lerp(minimumHeight, maximumHeight, h / maxShort);\n\n var cartographic = Cartographic.fromRadians(\n lon,\n lat,\n alt,\n scratchBVCartographic\n );\n var decodedPosition = ellipsoid.cartographicToCartesian(\n cartographic,\n scratchEncodedPosition\n );\n Cartesian3.pack(decodedPosition, decoded, i * 3);\n }\n\n transferableObjects.push(decoded.buffer);\n\n return {\n positions: decoded.buffer,\n };\n}\nexport default createTaskProcessorWorker(createVectorTilePoints);\n"],"names":["Cartographic","Cartesian3","Rectangle","Ellipsoid","AttributeCompression","CesiumMath"],"mappings":";;;;;;;;;;;;;;;;;;;;;;;;;EAQA,IAAI,QAAQ,GAAG,KAAK,CAAC;AACrB;EACA,IAAI,qBAAqB,GAAG,IAAIA,uBAAY,EAAE,CAAC;EAC/C,IAAI,sBAAsB,GAAG,IAAIC,qBAAU,EAAE,CAAC;AAC9C;EACA,IAAI,gBAAgB,GAAG,IAAIC,oBAAS,EAAE,CAAC;EACvC,IAAI,gBAAgB,GAAG,IAAIC,oBAAS,EAAE,CAAC;EACvC,IAAI,oBAAoB,GAAG;EAC3B,EAAE,GAAG,EAAE,SAAS;EAChB,EAAE,GAAG,EAAE,SAAS;EAChB,CAAC,CAAC;AACF;EACA,SAAS,YAAY,CAAC,YAAY,EAAE;EACpC,EAAE,YAAY,GAAG,IAAI,YAAY,CAAC,YAAY,CAAC,CAAC;AAChD;EACA,EAAE,IAAI,MAAM,GAAG,CAAC,CAAC;EACjB,EAAE,oBAAoB,CAAC,GAAG,GAAG,YAAY,CAAC,MAAM,EAAE,CAAC,CAAC;EACpD,EAAE,oBAAoB,CAAC,GAAG,GAAG,YAAY,CAAC,MAAM,EAAE,CAAC,CAAC;AACpD;EACA,EAAED,oBAAS,CAAC,MAAM,CAAC,YAAY,EAAE,MAAM,EAAE,gBAAgB,CAAC,CAAC;EAC3D,EAAE,MAAM,IAAIA,oBAAS,CAAC,YAAY,CAAC;AACnC;EACA,EAAEC,oBAAS,CAAC,MAAM,CAAC,YAAY,EAAE,MAAM,EAAE,gBAAgB,CAAC,CAAC;EAC3D,CAAC;AACD;EACA,SAAS,sBAAsB,CAAC,UAAU,EAAE,mBAAmB,EAAE;EACjE,EAAE,IAAI,SAAS,GAAG,IAAI,WAAW,CAAC,UAAU,CAAC,SAAS,CAAC,CAAC;AACxD;EACA,EAAE,YAAY,CAAC,UAAU,CAAC,YAAY,CAAC,CAAC;EACxC,EAAE,IAAI,SAAS,GAAG,gBAAgB,CAAC;EACnC,EAAE,IAAI,SAAS,GAAG,gBAAgB,CAAC;EACnC,EAAE,IAAI,aAAa,GAAG,oBAAoB,CAAC,GAAG,CAAC;EAC/C,EAAE,IAAI,aAAa,GAAG,oBAAoB,CAAC,GAAG,CAAC;AAC/C;EACA,EAAE,IAAI,eAAe,GAAG,SAAS,CAAC,MAAM,GAAG,CAAC,CAAC;EAC7C,EAAE,IAAI,OAAO,GAAG,SAAS,CAAC,QAAQ,CAAC,CAAC,EAAE,eAAe,CAAC,CAAC;EACvD,EAAE,IAAI,OAAO,GAAG,SAAS,CAAC,QAAQ,CAAC,eAAe,EAAE,CAAC,GAAG,eAAe,CAAC,CAAC;EACzE,EAAE,IAAI,YAAY,GAAG,SAAS,CAAC,QAAQ;EACvC,IAAI,CAAC,GAAG,eAAe;EACvB,IAAI,CAAC,GAAG,eAAe;EACvB,GAAG,CAAC;EACJ,EAAEC,yCAAoB,CAAC,iBAAiB,CAAC,OAAO,EAAE,OAAO,EAAE,YAAY,CAAC,CAAC;AACzE;EACA,EAAE,IAAI,OAAO,GAAG,IAAI,YAAY,CAAC,SAAS,CAAC,MAAM,CAAC,CAAC;EACnD,EAAE,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,eAAe,EAAE,EAAE,CAAC,EAAE;EAC5C,IAAI,IAAI,CAAC,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;EACvB,IAAI,IAAI,CAAC,GAAG,OAAO,CAAC,CAAC,CAAC,CAAC;EACvB,IAAI,IAAI,CAAC,GAAG,YAAY,CAAC,CAAC,CAAC,CAAC;AAC5B;EACA,IAAI,IAAI,GAAG,GAAGC,gBAAU,CAAC,IAAI,CAAC,SAAS,CAAC,IAAI,EAAE,SAAS,CAAC,IAAI,EAAE,CAAC,GAAG,QAAQ,CAAC,CAAC;EAC5E,IAAI,IAAI,GAAG,GAAGA,gBAAU,CAAC,IAAI,CAAC,SAAS,CAAC,KAAK,EAAE,SAAS,CAAC,KAAK,EAAE,CAAC,GAAG,QAAQ,CAAC,CAAC;EAC9E,IAAI,IAAI,GAAG,GAAGA,gBAAU,CAAC,IAAI,CAAC,aAAa,EAAE,aAAa,EAAE,CAAC,GAAG,QAAQ,CAAC,CAAC;AAC1E;EACA,IAAI,IAAI,YAAY,GAAGL,uBAAY,CAAC,WAAW;EAC/C,MAAM,GAAG;EACT,MAAM,GAAG;EACT,MAAM,GAAG;EACT,MAAM,qBAAqB;EAC3B,KAAK,CAAC;EACN,IAAI,IAAI,eAAe,GAAG,SAAS,CAAC,uBAAuB;EAC3D,MAAM,YAAY;EAClB,MAAM,sBAAsB;EAC5B,KAAK,CAAC;EACN,IAAIC,qBAAU,CAAC,IAAI,CAAC,eAAe,EAAE,OAAO,EAAE,CAAC,GAAG,CAAC,CAAC,CAAC;EACrD,GAAG;AACH;EACA,EAAE,mBAAmB,CAAC,IAAI,CAAC,OAAO,CAAC,MAAM,CAAC,CAAC;AAC3C;EACA,EAAE,OAAO;EACT,IAAI,SAAS,EAAE,OAAO,CAAC,MAAM;EAC7B,GAAG,CAAC;EACJ,CAAC;AACD,iCAAe,yBAAyB,CAAC,sBAAsB,CAAC;;;;;;;;"}
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