{
  "scene": "grassland2",
  "ref_shutter": 0.002,
  "ref_shutter_fraction": "1/500",
  "hdr_method": "triangular_weight_debevec1997",
  "photos": [
    {
      "time": "time0",
      "type": "hdr_merge",
      "shooting_time": "2025:08:26 13:54:39",
      "iso": 100,
      "shutter_speed": "1/1600",
      "num_images": 2,
      "source_files": [
        "DSC00712.dng",
        "DSC00713.dng"
      ],
      "exposure_times": [
        0.0002,
        0.000625
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time1",
      "type": "hdr_merge",
      "shooting_time": "2025:08:26 14:55:07",
      "iso": 100,
      "shutter_speed": "1/6400",
      "num_images": 2,
      "source_files": [
        "DSC00717.dng",
        "DSC00718.dng"
      ],
      "exposure_times": [
        0.0005,
        0.00015625
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time2",
      "type": "hdr_merge",
      "shooting_time": "2025:08:26 15:45:51",
      "iso": 100,
      "shutter_speed": "1/500",
      "num_images": 3,
      "source_files": [
        "DSC00719.dng",
        "DSC00720.dng",
        "DSC00721.dng"
      ],
      "exposure_times": [
        0.0002,
        0.000625,
        0.002
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time3",
      "type": "hdr_merge",
      "shooting_time": "2025:08:26 16:32:50",
      "iso": 100,
      "shutter_speed": "1/2000",
      "num_images": 2,
      "source_files": [
        "DSC00722.dng",
        "DSC00723.dng"
      ],
      "exposure_times": [
        0.002,
        0.0005
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time4",
      "type": "hdr_merge",
      "shooting_time": "2025:08:26 17:18:02",
      "iso": 100,
      "shutter_speed": "1/4000",
      "num_images": 3,
      "source_files": [
        "DSC00725.dng",
        "DSC00726.dng",
        "DSC00727.dng"
      ],
      "exposure_times": [
        0.002,
        0.0008,
        0.00025
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time5",
      "type": "hdr_merge",
      "shooting_time": "2025:08:26 18:13:30",
      "iso": 100,
      "shutter_speed": "1/1000",
      "num_images": 2,
      "source_files": [
        "DSC00728.dng",
        "DSC00730.dng"
      ],
      "exposure_times": [
        0.002,
        0.001
      ],
      "ref_shutter": 0.002
    }
  ],
  "envmaps": [
    {
      "time": "time0",
      "shooting_time": "2025:08:26 13:55:10",
      "iso": 100,
      "shutter_speed": "1/800",
      "num_exposures": 3,
      "exposure_times": [
        0.00125,
        0.0003125,
        0.005
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time1",
      "shooting_time": "2025:08:26 14:53:32",
      "iso": 100,
      "shutter_speed": "1/1000",
      "num_exposures": 3,
      "exposure_times": [
        0.001,
        0.00025,
        0.004
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time2",
      "shooting_time": "2025:08:26 15:46:48",
      "iso": 100,
      "shutter_speed": "1/850",
      "num_exposures": 3,
      "exposure_times": [
        0.001176470588235294,
        0.0002941176470588235,
        0.004761904761904762
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time3",
      "shooting_time": "2025:08:26 16:31:50",
      "iso": 100,
      "shutter_speed": "1/900",
      "num_exposures": 3,
      "exposure_times": [
        0.0011111111111111111,
        0.00028571428571428574,
        0.004545454545454545
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time4",
      "shooting_time": "2025:08:26 17:19:12",
      "iso": 100,
      "shutter_speed": "1/1250",
      "num_exposures": 3,
      "exposure_times": [
        0.0008,
        0.0002,
        0.003125
      ],
      "ref_shutter": 0.002
    },
    {
      "time": "time5",
      "shooting_time": "2025:08:26 18:13:19",
      "iso": 100,
      "shutter_speed": "1/500",
      "num_exposures": 3,
      "exposure_times": [
        0.002,
        0.0005,
        0.008
      ],
      "ref_shutter": 0.002
    }
  ],
  "alignment_method": "life_optical_flow",
  "gps": {
    "latitude": 55.7904429,
    "longitude": 12.524705,
    "altitude_m": 45.82
  }
}