hyperspectral_level1.json

{
  "dimensions": {
    "wavelength": 955,
    "wvl_nvr": 1024,
    "x": 1600,
    "y": 468
    },
    "flx_dwn": {
      "dims": ["wavelength"],
      "type": "float",
      "long_name": "Downwelling spectral irradiance",
      "standard_name": "surface_downwelling_radiative_flux_per_unit_wavelength_in_air",
      "units": "watt meter-2 meter-1"
    },
    "flx_sns": {
      "dims": ["wvl_nvr"],
      "type": "float",
      "long_name": "Flux sensitivity of each band (irradiance per count)",
      "provenance": "EnvironmentalLogger calibration information from file S05673_08062015.IrradCal provided by TinoDornbusch and discussed here: https://github.com/terraref/reference-data/issues/30#issuecomment-217518434",
      "units": "joule count-1"
    },
    "frametime": {
      "dims": ["y"],
      "type": "double",
      "units": "days since 1970-01-01 00:00:00",
      "calender": "gregorian"
    },
    "rfl_img": {
      "dims": ["wavelength","y","x"],
      "type": "float",
      "long_name": "Reflectance of image",
      "meaning": "Counts on scale from 0 to 2^16-1 = 65535",
      "standard_name": "surface_albedo",
      "units": "1"
    },
    "rfl_wht": {
      "dims": ["wavelength"],
      "type": "float",
      "long_name": "Reflectance of white reference",
      "units": "1"
    },
    "wavelength": {
      "dims": ["wavelength"],
      "type": "double",
      "long_name": "Hyperspectral Wavelength",
      "units": "meter",
      "standard_name": "radiation_wavelength"
    },
    "wvl_dlt": {
      "dims": ["wvl_nvr"],
      "type": "float",
      "long_name": "Bandwidth of environmental sensor",
      "notes": "Bandwidth, also called dispersion, is between 0.455-0.495 nm across all channels. Values computed as differences between midpoints of adjacent band-centers.",
      "standard_name": "bandwidth",
      "units": "meter"
    },
    "wvl_nvr": {
      "dims": ["wvl_nvr"],
      "type": "float",
      "long_name": "Wavelength of environmental sensor",
      "provenance": "EnvironmentalLogger calibration information from file S05673_08062015.IrradCal provided by TinoDornbusch and discussed here: https://github.com/terraref/reference-data/issues/30#issuecomment-217518434",
      "standard_name": "sensor_band_central_radiation_wavelength",
      "units": "meter"
    },
    "x": {
      "dims": ["x"],
      "type": "double",
      "algorithm": "CSZ implemented these fake data to be replaced by real formula once available.",
      "long_name": "North-south offset from start position",
      "units": "meter"
    },
    "xps_drk": {
      "dims": ["wavelength","x"],
      "type": "short",
      "long_name": "Exposure from dark reference sheet/panel",
      "units": "Counts on scale from 0 to 2^16-1 = 65535"
    },
    "xps_img": {
      "dims": ["wavelength","y","x"],
      "type": "short",
      "long_name": "Exposure counts",
      "meaning": "Counts on scale from 0 to 2^16-1 = 65535",
      "units": "1"
    },
    "xps_wht": {
      "dims": ["wavelength","x"],
      "type": "short",
      "long_name": "Exposure from white reference sheet/panel",
      "units": "Counts on scale from 0 to 2^16-1 = 65535"
    },
    "y": {
      "dims": ["y"],
      "type": "double",
      "algorithm": "Based on https://github.com/terraref/computing-pipeline/issues/144. y is defined as 0.9853 mm per pixel. Exact number is 0.98526434004512529576754637665 mm.",
      "long_name": "East-west offset from start position",
      "units": "meter"
    },
    "attrs": {
      "title": "None given (supply with --trr ttl=\"Title\")",
      "created_by": "yanliu",
      "Conventions": "CF-1.5",
      "Project": "TERRAREF",
      "terraref_script": "terraref.sh",
      "terraref_hostname": "cg-gpu01",
      "terraref_version": "4.6.0",
      "history": "Thu Sep  1 11:09:33 2016: ncap2 -A -S /gpfs/largeblockFS/projects/arpae/sw/computing-pipeline/scripts/hyperspectral/terraref.nco /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_att.nc.pid44592.fl00.tmp /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_att.nc.pid44592.fl00.tmp\nThu Sep  1 11:09:31 2016: ncks -A /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_jsn.nc.pid44592.fl00.tmp /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_att.nc.pid44592.fl00.tmp\nThu Sep 01 11:09:30 2016: python input/0596c17f-2e4c-4d43-9d77-cde8ffbde663_raw /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_jsn.nc.pid44592.fl00.tmp",
      "NCO": "\"4.6.0\"",
      "history_of_appended_files": "Thu Sep  1 11:09:33 2016: Appended file /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_att.nc.pid44592.fl00.tmp had following \"history\" attribute:\nThu Sep  1 11:09:31 2016: ncks -A /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_jsn.nc.pid44592.fl00.tmp /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_att.nc.pid44592.fl00.tmp\nThu Sep 01 11:09:30 2016: python input/0596c17f-2e4c-4d43-9d77-cde8ffbde663_raw /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_jsn.nc.pid44592.fl00.tmp\nThu Sep  1 11:09:31 2016: Appended file /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_jsn.nc.pid44592.fl00.tmp had following \"history\" attribute:\nThu Sep 01 11:09:30 2016: python input/0596c17f-2e4c-4d43-9d77-cde8ffbde663_raw /gpfs_scratch/arpae/imaging_spectrometer/terraref_tmp_jsn.nc.pid44592.fl00.tmp\n",
      "nco_openmp_thread_number": 1
    },
    "groups": {
    "gantry_system_fixed_metadata": {
      "attrs": {
        "gantry_fixed_data_2": "Todo",
        "gantry_fixed_data_1": "Todo",
        "System_manufacturer": "LemnaTec Corp."
      }
      },
    "gantry_system_variable_metadata": {
      "u": {
        "type": "double",
        "long_name": "Gantry_Speed_in_X_Direction",
        "units": "meter second-1"
      },
      "v": {
        "type": "double",
        "long_name": "Gantry_Speed_in_Y_Direction",
        "units": "meter second-1"
      },
      "w": {
        "type": "double",
        "long_name": "Gantry_Speed_in_Z_Direction",
        "units": "meter second-1"
      },
      "x": {
        "type": "double",
        "long_name": "Position_in_X_Direction",
        "units": "meter"
      },
      "y": {
        "type": "double",
        "long_name": "Position_in_Y_Direction",
        "units": "meter"
      },
      "z": {
        "type": "double",
        "long_name": "Position_in_Z_Direction",
        "units": "meter"
      },
      "attrs": {
        "Camnera_box_light_4_is_on": "True",
        "Position_in_]_Direction": "0.97",
        "Camnera_box_light_2_is_on": "True",
        "Camnera_box_light_1_is_on": "True",
        "Gantry_Speed_in_]_Direction": "0",
        "Time": "04/07/2016 16:15:45",
        "Camnera_box_light_3_is_on": "True"
      }
      },
    "header_info": {
      "blue_band_index": {
        "type": "double"
      },
      "green_band_index": {
        "type": "double"
      },
      "red_band_index": {
        "type": "double"
      },
      "attrs": {
        "HSIII_VERSION": "E51215 vs64",
        "POST_AOI_left": "0",
        "Col_binning": "1",
        "AOI_width": "1600",
        "Row_binning": "1",
        "FrameIndex": "frameIndex.txt",
        "AOI_height": "960",
        "header_offset": "0",
        "Lens_EFL": "17",
        "Serial_Number": "SN-G4-384",
        "samples": "1600",
        "byte_order": "0",
        "Lens_folder": "",
        "description": "{[HEADWALL Hyperspec III]}",
        "default_bands": "{140,234,500}",
        "bands": "955",
        "POST_Row_binning": "1",
        "POST_AOI_width": "1600",
        "file_type": "ENVI Standard",
        "Nuc_folder": "",
        "data_type": "12",
        "AverageDispersion": "0.63986398",
        "POST_Col_binning": "1",
        "Array_Pixel_Pitch": "6.5",
        "sensor_type": "Unknown",
        "POST_AOI_height": "955",
        "lines": "468",
        "interleave": "bil",
        "AOI_top": "600",
        "Pixel0": "3.100546185",
        "AOI_left": "480",
        "POST_AOI_top": "5"
      }
      },
    "sensor_fixed_metadata": {
      "attrs": {
        "sensor_serial_number": "Todo",
        "sensor_purpose": "Todo",
        "sensor_product_name": "VNIR",
        "sensor_description": "Todo",
        "sensor_manufacturer": "Headwall Scientific"
      }
      },
    "sensor_variable_metadata": {
      "constmirrorpos": {
        "type": "double",
        "long_name": "constmirrorpos"
      },
      "createdatacube": {
        "type": "double",
        "long_name": "createdatacube"
      },
      "exposure": {
        "type": "double",
        "long_name": "exposure",
        "red_band_index": 140,
        "green_band_index": 234,
        "blue_band_index": 500
      },
      "frameperiod": {
        "type": "double",
        "long_name": "frameperiod"
      },
      "speed": {
        "type": "double",
        "long_name": "speed"
      },
      "startpos": {
        "type": "double",
        "long_name": "startpos"
      },
      "stoppos": {
        "type": "double",
        "long_name": "stoppos"
      },
      "useexternaltrigger": {
        "type": "double",
        "long_name": "useexternaltrigger"
      },
      "userotatingmirror": {
        "type": "double",
        "long_name": "userotatingmirror"
      },
      "attrs": {
        "exposure": "45",
        "startpos": "-70",
        "frameperiod": "50",
        "userotatingmirror": "0",
        "speed": "100",
        "useexternaltrigger": "0",
        "constmirrorpos": "0",
        "createdatacube": "0",
        "stoppos": "70"
      }
      },
    "user_given_metadata": {
      "attrs": {
        "first_wheat_test_by_Markus_Radermacher": "",
        "experiment_info_1": "...",
        "and_so_on_and_so_on...": "..."
      }
      }
    }

}

hyperspectral_level1.nc

dimensions:
	radiation_wavelength = 955 ;
	x= 1600 ;
	y= 5191 ;
	time = 5191 ;
	wvl_clb = 2201 ;
variables:

	double time(time) ;
		frametime:units = "days since 1970-01-01 00:00:00" ;
		frametime:calender = "gregorian" ;
		frametime:notes = "Each time of the scanline of the y taken" ;
	double radiation_wavelength(wavelength) ;
		radiation_wavelength:long_name = "Hyperspectral Wavelength" ;
		radiation_wavelength:units = "meter" ;
		radiation_wavelength:standard_name = "radiation_wavelength" ;
        double longitude(x) ;
                longitude:units = "degrees_east" ;
                longitude:long_name = "longitude" ;
        double latitude(y) ;
                latitude:units = "degrees_north" ;
                latitude:long_name = "latitude" ;
	double x(x) ;
		x:units = "meter" ;
		x:reference_point = "Southeast corner of field" ;
		x:long_name = "North distance from southeast corner of field" ;
	double y(y) ;
		y:units = "meter" ;
		y:reference_point = "Southeast corner of field" ;
		y:long_name = "West distance from southeast corner of field" ;
	float surface_albedo(wavelength, x, y) ;
		surface_albedo:long_name = "Reflectance of image" ;
		surface_albedo:standard_name = "surface_albedo" ;
		surface_albedo:units = "1" ;

        ... any additional metadata below this, preferably in order of importance
       // global attributes:
                :geometry = "geojson string" ;