image_framework_ymj/include/open3d/t/io/NumpyIO.h
2024-12-06 16:25:16 +08:00

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// ----------------------------------------------------------------------------
// - Open3D: www.open3d.org -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
#pragma once
#include <string>
#include <unordered_map>
#include "open3d/core/Tensor.h"
namespace open3d {
namespace t {
namespace io {
/// Read Numpy .npy file to a tensor.
///
/// \param file_name The file name to read from.
core::Tensor ReadNpy(const std::string& file_name);
/// Save a tensor to a Numpy .npy file.
///
/// \param file_name The file name to write to.
/// \param tensor The tensor to save.
void WriteNpy(const std::string& file_name, const core::Tensor& tensor);
/// Read Numpy .npz file to an unordered_map from string to tensor.
///
/// \param file_name The file name to read from.
std::unordered_map<std::string, core::Tensor> ReadNpz(
const std::string& file_name);
/// Save a string to tensor map as Numpy .npz file.
///
/// \param file_name The file name to write to.
/// \param tensor_map The tensor map to save.
void WriteNpz(const std::string& file_name,
const std::unordered_map<std::string, core::Tensor>& tensor_map);
} // namespace io
} // namespace t
} // namespace open3d