MRVoxelsVolume.h

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#pragma once
#include "MRVector3.h"
#include "MRHeapBytes.h"
#include "MRExpected.h"
#include <limits>
#include <vector>
 
namespace MR
{
 
template <typename T>
struct VoxelTraits;
 
template <typename T>
struct VoxelTraits<std::vector<T>>
{
    using ValueType = T;
};
 
template <typename T>
struct VoxelTraits<VoxelValueGetter<T>>
{
    using ValueType = T;
};
 
#ifndef MRMESH_NO_OPENVDB
template <>
struct VoxelTraits<FloatGrid>
{
    using ValueType = float;
};
#endif
 
template <typename T>
struct VoxelsVolume
{
    using ValueType = typename VoxelTraits<T>::ValueType;
 
    T data;
    Vector3i dims;
    Vector3f voxelSize{ 1.f, 1.f, 1.f };
 
    [[nodiscard]] size_t heapBytes() const { return MR::heapBytes( data ); }
};
 
template <typename T>
struct VoxelsVolumeMinMax : VoxelsVolume<T>
{
    using typename VoxelsVolume<T>::ValueType;
    using VoxelsVolume<T>::data;
    using VoxelsVolume<T>::dims;
    using VoxelsVolume<T>::voxelSize;
    using VoxelsVolume<T>::heapBytes;
 
    ValueType min = std::numeric_limits<ValueType>::max();
    ValueType max = std::numeric_limits<ValueType>::lowest();
};
 
 
MRMESH_API Expected<SimpleVolume> functionVolumeToSimpleVolume( const FunctionVolume& volume, const ProgressCallback& callback = {} );
 
} //namespace MR