import DeveloperError from "../Core/DeveloperError.js";
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/**
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* The subdivision scheme for an implicit tileset.
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*
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* @enum {String}
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* @private
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* @experimental This feature is using part of the 3D Tiles spec that is not final and is subject to change without Cesium's standard deprecation policy.
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*/
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var ImplicitSubdivisionScheme = {
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/**
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* A quadtree divides a parent tile into four children, split at the midpoint
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* of the x and y dimensions of the bounding box
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* @type {String}
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* @constant
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* @private
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*/
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QUADTREE: "QUADTREE",
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/**
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* An octree divides a parent tile into eight children, split at the midpoint
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* of the x, y, and z dimensions of the bounding box.
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* @type {String}
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* @constant
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* @private
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*/
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OCTREE: "OCTREE",
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};
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/**
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* Get the branching factor for the given subdivision scheme
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* @param {ImplicitSubdivisionScheme} subdivisionScheme The subdivision scheme
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* @returns {Number} The branching factor, either 4 for QUADTREE or 8 for OCTREE
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* @private
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*/
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ImplicitSubdivisionScheme.getBranchingFactor = function (subdivisionScheme) {
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switch (subdivisionScheme) {
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case ImplicitSubdivisionScheme.OCTREE:
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return 8;
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case ImplicitSubdivisionScheme.QUADTREE:
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return 4;
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//>>includeStart('debug', pragmas.debug);
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default:
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throw new DeveloperError("subdivisionScheme is not a valid value.");
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//>>includeEnd('debug');
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}
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};
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export default Object.freeze(ImplicitSubdivisionScheme);
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