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import DeveloperError from "../Core/DeveloperError.js";
/**
* The subdivision scheme for an implicit tileset.
*
* @enum {String}
* @private
* @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.
*/
var ImplicitSubdivisionScheme = {
/**
* A quadtree divides a parent tile into four children, split at the midpoint
* of the x and y dimensions of the bounding box
* @type {String}
* @constant
* @private
*/
QUADTREE: "QUADTREE",
/**
* An octree divides a parent tile into eight children, split at the midpoint
* of the x, y, and z dimensions of the bounding box.
* @type {String}
* @constant
* @private
*/
OCTREE: "OCTREE",
};
/**
* Get the branching factor for the given subdivision scheme
* @param {ImplicitSubdivisionScheme} subdivisionScheme The subdivision scheme
* @returns {Number} The branching factor, either 4 for QUADTREE or 8 for OCTREE
* @private
*/
ImplicitSubdivisionScheme.getBranchingFactor = function (subdivisionScheme) {
switch (subdivisionScheme) {
case ImplicitSubdivisionScheme.OCTREE:
return 8;
case ImplicitSubdivisionScheme.QUADTREE:
return 4;
//>>includeStart('debug', pragmas.debug);
default:
throw new DeveloperError("subdivisionScheme is not a valid value.");
//>>includeEnd('debug');
}
};
export default Object.freeze(ImplicitSubdivisionScheme);