ralpha-assets/Plugins/CesiumForUnreal/Source/ThirdParty/include/CesiumGeospatial/calcQuadtreeMaxGeometricErr...

24 lines
802 B
C++

#pragma once
#include <CesiumGeometry/QuadtreeTilingScheme.h>
#include <CesiumGeospatial/Ellipsoid.h>
namespace CesiumGeospatial {
/**
* @brief Computes the maximum geometric error per radian of a quadtree with
* certain assumptions.
*
* The geometric error for a tile can be computed by multiplying the value
* returned by this function by the width of the tile in radians.
*
* This function computes a suitable geometric error for a 65x65 terrain
* heightmap where the vertical error is 25% of the horizontal spacing between
* height samples at the equator.
*
* @param ellipsoid The ellipsoid.
* @return The max geometric error.
*/
double calcQuadtreeMaxGeometricError(
const CesiumGeospatial::Ellipsoid& ellipsoid) noexcept;
} // namespace CesiumGeospatial