MRVoxels/MRFloatGrid.h

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#pragma once
#include "MRVoxelsFwd.h"
 
// this is a lightweight header unlike MRVDBFloatGrid.h
 
#include "MRMesh/MRProgressCallback.h"
 
namespace MR
{
 
struct MRVOXELS_CLASS OpenVdbFloatGrid;
 
class MRVOXELS_CLASS FloatGrid
{
public:
    MRVOXELS_API FloatGrid();
    MRVOXELS_API FloatGrid( std::shared_ptr<OpenVdbFloatGrid> ptr );
 
    MRVOXELS_API void reset() noexcept;
    MRVOXELS_API void swap( FloatGrid& other ) noexcept;
 
    MRVOXELS_API OpenVdbFloatGrid* get() const noexcept;
    MRVOXELS_API OpenVdbFloatGrid& operator *() const noexcept;
    MRVOXELS_API OpenVdbFloatGrid* operator ->() const noexcept;
 
    MRVOXELS_API explicit operator bool() const noexcept;
 
    MRVOXELS_API std::shared_ptr<OpenVdbFloatGrid> toVdb() const noexcept;
 
private:
    std::shared_ptr<OpenVdbFloatGrid> ptr_;
};
 
[[nodiscard]] MRVOXELS_API size_t heapBytes( const FloatGrid& grid );
 
MRVOXELS_API FloatGrid resampled( const FloatGrid& grid, float voxelScale, ProgressCallback cb = {} );
 
MRVOXELS_API FloatGrid resampled( const FloatGrid& grid, const Vector3f& voxelScale, ProgressCallback cb = {} );
 
MRVOXELS_API FloatGrid cropped( const FloatGrid& grid, const Box3i& box, ProgressCallback cb = {} );
 
MRVOXELS_API void gaussianFilter( FloatGrid& grid, int width, int iters, ProgressCallback cb = {} );
MRVOXELS_API FloatGrid gaussianFiltered( const FloatGrid& grid, int width, int iters, ProgressCallback cb = {} );
 
[[nodiscard]] MRVOXELS_API float getValue( const FloatGrid & grid, const Vector3i & p );
 
MRVOXELS_API void setValue( FloatGrid& grid, const Vector3i& p, float value );
 
MRVOXELS_API void setValue( FloatGrid & grid, const VoxelBitSet& region, float value );
 
MRVOXELS_API void setLevelSetType( FloatGrid & grid );
 
// union operation on volumetric representation of two meshes
MRVOXELS_API FloatGrid operator += ( FloatGrid & a, const FloatGrid& b );
 
// difference operation on volumetric representation of two meshes
MRVOXELS_API FloatGrid operator -= ( FloatGrid & a, const FloatGrid& b );
 
// intersection operation on volumetric representation of two meshes
MRVOXELS_API FloatGrid operator *= ( FloatGrid & a, const FloatGrid& b );
 
 
}