Frame.h

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// ----------------------------------------------------------------------------
// -                        Open3D: www.open3d.org                            -
// ----------------------------------------------------------------------------
// Copyright (c) 2018-2023 www.open3d.org
// SPDX-License-Identifier: MIT
// ----------------------------------------------------------------------------
 
#pragma once
 
#include "open3d/core/Tensor.h"
#include "open3d/t/geometry/Image.h"
#include "open3d/t/geometry/RGBDImage.h"
 
namespace open3d {
namespace t {
namespace pipelines {
namespace slam {
 
class Frame {
public:
    Frame(int height,
          int width,
          const core::Tensor& intrinsics,
          const core::Device& device)
        : height_(height),
          width_(width),
          intrinsics_(intrinsics),
          device_(device) {}
 
    int GetHeight() const { return height_; }
    int GetWidth() const { return width_; }
 
    void SetIntrinsics(const core::Tensor& intrinsics) {
        intrinsics_ = intrinsics;
    }
    core::Tensor GetIntrinsics() const { return intrinsics_; }
 
    void SetData(const std::string& name, const core::Tensor& data) {
        data_[name] = data.To(device_);
    }
    core::Tensor GetData(const std::string& name) const {
        if (data_.count(name) == 0) {
            utility::LogWarning(
                    "Property not found for {}, return an empty tensor!", name);
            return core::Tensor();
        }
        return data_.at(name);
    }
 
    // Convenient interface for images
    void SetDataFromImage(const std::string& name,
                          const t::geometry::Image& data) {
        SetData(name, data.AsTensor());
    }
 
    t::geometry::Image GetDataAsImage(const std::string& name) const {
        return t::geometry::Image(GetData(name));
    }
 
private:
    int height_;
    int width_;
 
    // (3, 3) intrinsic matrix for a pinhole camera
    core::Tensor intrinsics_;
    core::Device device_;
 
    // Maintained maps, including:
    // depth_map: (H, W, 1), Float32 AFTER preprocessing
    // vertex_map: (H, W, 3), Float32,
    // color_map: (H, W, 3), Float32
    // normal_map: (H, W, 3), Float32
    std::unordered_map<std::string, core::Tensor> data_;
};
 
}  // namespace slam
}  // namespace pipelines
}  // namespace t
}  // namespace open3d