Note that the data types in throughout this document are expressed with followings:
| Ch | character line |
|---|---|
| Short | 2 byte integer (signed) |
| Ushort | 2 byte integer (unsigned) |
| Long | 4 byte integer (signed) |
| Ulong | 4 byte integer (unsigned) |
| Real | 4 byte real number |
| Double | 8 byte real number |
| Byte | 1 byte integer |
| LAC | L3MVNL (Visible and near infrared), L3MTIL (Thermal infrared),
L3MOCLL (Radiance), L3MOCEL (epsilon), L3MOCTL (tau-a), L3MOCPL (CZCS-like pigment), L3MOCCL (Chlorophyll a concentration), L3MOCKL (Diffuse attenuation coefficient at 490nm), L3MVIL (Vegetation indices), L3MSTL (Sea surface temperature) |
|---|---|
| RTC | L3MOCPR (CZCS-like pigment), L3MOCCR (Chlorophyll a concentration),
L3MOCKR (Diffuse attenuation coefficient at 490 nm) L3MSTR (Sea surface temperature) |
|
Sensor Tilt tilt_seg
Tick Mark |
OCTS Level 3Map Data map_band1 --- map_band8 palette_band1 ---palette_band8 map_band9 --- map_band12 palette_band9 --- palette_band12 map_band_nLw_412 --- map_band_La_865 palette_band_nLw_412 --- palette_band_La_865 map_eps_68 palette_eps_68 map_tau_865 palette_tau_865 map_CZCS_pigment palette_CZCS_pigment map_chlor_a palette_chlor_a map_K_490 palette_K_490 map_VI La_865 palette_VI map_SST palette_SST |
map_band 8 / La_865 map_band 5-7 / nLw_565-La_765 map_band 4/12 / nLw_520 map_band 2-3/10-11 / nLw_443 - 490 map_band1 / band9 nLw_412 / eps_68 tau_865 / CZCS_pigment / chlor_a / K_490 /VI / SST lines
palette_band1 / |
| V group name (Tag = VG) | V group class |
|---|---|
| refer Naming Convention | CDF0.0 |
| V data name (Tag = VH) | Nb of data | Type | Size (bytes) | Data (Tag = VS) | Contents | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Product Name | 1 | Ch | 7 | See Naming Convention | The name of the product file (without path) | ||||||||||||||||||
| Title | 1 | Ch | 27 | "OCTS Level-3 Map LAC Image" | LAC | ||||||||||||||||||
| "OCTS Level-3 Map RTC Image" | RTC | ||||||||||||||||||||||
| Data Center | 1 | Ch | 31 | "NASDA/Earth Observation Center" | OCTS Data Processing Center (National Space Development Agency of Japan) | ||||||||||||||||||
| Station Name | 1 | Ch | 31 | "NASDA/Earth Observation Center" | OCTS Data Acquisition Center (only for RTC) | ||||||||||||||||||
| Station Latitude | 1 | Real | 4 | Lat. of Data Acq. Center (only for RTC) | |||||||||||||||||||
| Station Longitude | 1 | Real | 4 | Long. of Data Acq. Center (only for RTC) | |||||||||||||||||||
| Mission | 1 | Ch | 11 | "ADEOS OCTS" | Mission (satellite name and sensor name) | ||||||||||||||||||
| Mission Characteristics | 1 | Ch | 189 | "Nominal orbit: inclination = 98.59 (Sun-Synchronous); node = 10:15-10:45 AM (descending); eccentricity <= 0.0012; altitude = 797km; ground speed = 6.6km/sec; revolutions per day = 14+11/41" | |||||||||||||||||||
| Sensor | 1 | Ch | 43 | "Ocean Color and Temperature Scanner (OCTS)" | |||||||||||||||||||
| Sensor Characteristics | 1 | Ch | 123 | "Number of bands = 12; number of detectors per band = 10; bits per pixel = 10; scan period = 0.905sec; bit rate = 3Mbit/sec" | |||||||||||||||||||
| Data Type | 1 | Ch | 4 | "LAC" | LAC | ||||||||||||||||||
| "RTC" | RTC | ||||||||||||||||||||||
| Data Sub-type | 1 | Ch | 26 | "Visible and Near-infrared" | |||||||||||||||||||
| 17 | "Thermal-infrared" | ||||||||||||||||||||||
| 12 | "Ocean Color" | ||||||||||||||||||||||
| 19 | "Vegetation Indices" | ||||||||||||||||||||||
| 24 | "Sea Surface Temperature" | ||||||||||||||||||||||
| Replacement Flag | 1 | Ch | 9 | "ORIGINAL" | If this is the first version of this product delivered to the NASDA/EOC. | ||||||||||||||||||
| Software ID | 1 | Ch | 4 | "X Y" |
| V data name (Tag = VH) | Nb of data | Type | Size (bytes) | Data (Tag = VS) | Contents |
|---|---|---|---|---|---|
| Start Time | 1 | Ch | 22 | YYYYMMDD hh:mm:ss.ttt | Center time of the first scan line of the scene. (UT) |
| End Time | 1 | Ch | 22 | YYYYMMDD hh:mm:ss.ttt | Center time of the last scan line of the scene. (UT) |
| Scene Center Time | 1 | Ch | 22 | YYYYMMDD hh:mm:ss.ttt | Center time of the center scan line of the scene. (UT) |
| Node Crossing Time | 1 | Ch | 22 | YYYYMMDD hh:mm:ss.ttt | Descending node crossing time. (UT) |
| Start Year | 1 | Short | 2 | Year of first scan line of the scene. | |
| Start Day | 1 | Short | 2 | Day-of-year first scan line of the scene. | |
| Start Millisec | 1 | Long | 4 | Milliseconds-of-day of start of the first scan line of the scene. | |
| End Year | 1 | Short | 2 | Year of last scan line of the scene. | |
| End Day | 1 | Short | 2 | Day-of-year last scan line of the scene. | |
| End Millisec | 1 | Long | 4 | Milliseconds-of-day of start of the last scan line of the scene. | |
| Orbit Number | 1 | Long | 4 |
| V data name (Tag = VH) | Nb of data | Type | Size (bytes) | Data (Tag = VS) | Contents | |
|---|---|---|---|---|---|---|
| Parent Pixels per Scan Line | 1 | Long | 4 | Number of pixels per scan line at level 1A. | ||
| Parent Number of Scan Lines | 1 | Long | 4 | Number of scan lines in the scene at level 1A. | ||
| Parent Lines per Scan | 1 | Long | 4 | Number of lines per scan at level 1A. | ||
| Missing Frames | 1 | Long | 4 | Missing frame (scan) count at level 1A. | ||
| Flag Percentages | 16 : [oc] 6 : [vi, st] | Real | 64:[oc] 24:[vi, st] | In case of Ocean Color, percentages of pixels in the scene for which a bit in "l2_flags" is set, each of the 16 values corresponds to one of the 16 bits (from MSB to LSB) in "l2_flags". In case of Vegetation Indices and Sea Surface Temperature, percentages of pixels in the scene for which a bit in "VI" or "SST" is set, each of the 6 values corresponds to one of the 6 bits (from MSB) in "VI" or "SST'. |
| V data name (Tag = VH) | Nb of data | Type | Size (bytes) | Data (Tag = VS) | Contents | |
|---|---|---|---|---|---|---|
| Latitude Units | 1 | Ch | 14 | "degrees North" | Units used for all lat. values in this product. | |
| Longitude Units | 1 | Ch | 13 | "degrees East" | Units used for all long. values in this product. | |
| Scene Center Latitude | 1 | Real | 4 | Latitude of the center point of the scene's center scan. | ||
| Scene Center Longitude | 1 | Real | 4 | Longitude of the center point of the scene's center scan. | ||
| Upper Left Latitude | 1 | Real | 4 | Latitude of the upper left scene corner. | ||
| Upper Left Longitude | 1 | Real | 4 | Longitude of the upper left scene corner. | ||
| Upper Right Latitude | 1 | Real | 4 | Latitude of the upper right scene corner. | ||
| Upper Right Longitude | 1 | Real | 4 | Longitude of the upper right scene corner. | ||
| Lower Left Latitude | 1 | Real | 4 | Latitude of the lower left scene corner. | ||
| Lower Left Longitude | 1 | Real | 4 | Longitude of the lower left scene corner. | ||
| Lower Right Latitude | 1 | Real | 4 | Latitude of the lower right scene corner. | ||
| Lower Right Longitude | 1 | Real | 4 | Longitude of the lower right scene corner. | ||
| Orbit Node Longitude | 1 | Real | 4 | Longitude of orbit descending node. | ||
| RSP path | 1 | Short | 2 | RSP path number of the scene's start. | ||
| Start argument of Latitude | 1 | Real | 4 | Argument of latitude of the scene's start. | ||
| End argument of Latitude | 1 | Real | 4 | Argument of latitude of the scene's end. |
| V data name (Tag = VH) | Nb of data | Type | Size (bytes) | Data (Tag = VS) | Contents |
|---|---|---|---|---|---|
| Parameter | 1 | Ch | 26 | "Visible and Near-infrared" | |
| 17 | "Thermal-infrared" | ||||
| 9 | "Radiance" | ||||
| 48 | "Epsilon of aerosol correction at 670 and 865 nm" | ||||
| 36 | "Aerosol optical thickness at 865 nm" | ||||
| 33 | "CZCS-like pigment concentration" | ||||
| 29 | "Chlorophyll a concentration" | ||||
| 32 | "Diffuse attenuation coefficient" | ||||
| 19 | "Vegetation Indices" | ||||
| 24 | "Sea Surface Temperature" | ||||
| Units | 1 | Ch | 21 | "mW cm^-2 um^-1 sr^-1" | Visible and Near-infrared, Thermal-infrared, Radiance |
| 8 | "mg m^-3" | CZCS-like pigment concentration, Chlorophyll a concentration | |||
| 5 | "m^-1" | Diffuse attenuation coefficient | |||
| 7 | "kelvin" | Sea Surface Temperature | |||
| Number of Columns | 1 | Long | 4 | Number of columns per line. | |
| Number of Lines | 1 | Long | 4 | Number of lines per scene. | |
| Pixel Spacing | 1 | Real | 4 | Pixel spacing (a unit is meters.) | |
| Map Projection | 1 | Ch | 9 | "Mercator" | Mercator projection |
| 4 | "LCC" | Lambert Conical Conformic projection | |||
| 3 | "PS" | Polar Stereographic projection | |||
| Reference Latitude | 1 | Real | 4 | Reference latitude at map projection (a unit is degrees) | |
| Reference Latitude 2 | 1 | Real | 4 | Second reference latitude at map projection (a unit is degrees. only for LCC) | |
| Reference Longitude | 1 | Real | 4 | Reference longitude (a unit is degrees) | |
| Scaling | 1 | Ch | 12 | "logarithmic" | CZCS-like pigment concentration, Chlorophyll a concentration |
| 7 | "linear" | others | |||
| Scaling Equation | 1 | Ch | 55 | "Base**((Slope*l3m_data) + Intercept) = Parameter value" | CZCS-like pigment concentration, Chlorophyll a concentration |
| 47 | "(Slope*l3m_data) + Intercept = Parameter value" | others | |||
| Base | 1 | Real | 4 | refer Absolute Calibration Coefficients | Base of logarithmic (only for CZCS-like pigment concentration and Chlorophyll a concentration |
| Slope | 8 : [v] 4 : [t] 1 : [other] | Real | 32 : [v] 16 : [t] 4 : [other] | refer Absolute Calibration Coefficients | |
| Intercept | 8 : [v] 4 : [t] 1 : [other] | Real | 32 : [v] 16 : [t] 4 : [other] | refer Absolute Calibration Coefficients |
| V group name (Tag = VG) | V group class |
|---|---|
| OCTS Level 3Map Data | Raster_Image_Data |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_band1 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 1) |
| palette_band1 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 1) |
| map_band2 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 2) |
| palette_band2 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 2) |
| map_band3 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band3) |
| palette_band3 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 3) |
| map_band4 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 4) |
| palette_band4 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 4) |
| map_band5 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 5) |
| palette_band5 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 5) |
| map_band6 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 6) |
| palette_band6 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 6) |
| map_band7 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band7) |
| palette_band7 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 7) |
| map_band8 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 8) |
| palette_band8 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 8) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_band9 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 9) |
| palette_band9 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 9) |
| map_band10 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 10) |
| palette_band10 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 10) |
| map_band11 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band11) |
| palette_band11 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 11) |
| map_band12 | l , p | "lines", "nsamp" | Byte | pxl | Map data (band 12) |
| palette_band12 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (band 12) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_nLw_412 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Normalized water-leaving radiance at 412 nm) |
| palette_nLw_412 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (412nm) |
| map_nLw_443 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Normalized water-leaving radiance at 443 nm) |
| palette_nLw_443 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (443nm) |
| map_nLw_490 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Normalized water-leaving radiance at 490 nm) |
| palette_nLw_490 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (490nm) |
| map_nLw_520 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Normalized water-leaving radiance at 520 nm) |
| palette_nLw_520 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (520nm) |
| map_nLw_565 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Normalized water-leaving radiance at 565 nm) |
| palette_nLw_565 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (565nm) |
| map_La_670 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Aerosol radiance at 670 nm) |
| palette_La_670 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (670nm) |
| map_La_765 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Aerosol radiance at 765 nm) |
| palette_La_765 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (765nm) |
| map_La_865 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Aerosol radiance at 865 nm) |
| palette_La_865 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (865nm) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_eps_68 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Epsilon of aerosol correction at 670 and 865 nm) |
| palette_eps_68 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (Epsilon of aerosol correction at 670 and 865 nm) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_tau_865 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Aerosol optical thickness at 865 nm) |
| palette_tau_865 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (Aerosol optical thickness at 865 nm) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_CZCS_pigment | l , p | "lines", "nsamp" | Byte | pxl | Map data (CZCS-like pigment concentration) |
| palette_CZCS_pigment | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (CZCS-like pigment concentration) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_chlor_a | l , p | "lines", "nsamp" | Byte | pxl | Map data (Chlorophyll a concentration) |
| palette_chlor_a | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (Chlorophyll a concentration) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_K_490 | l , p | "lines", "nsamp" | Byte | pxl | Map data (Diffuse attenuation coefficient at 490 nm) |
| palette_K_490 | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (Diffuse attenuation coefficient at 490 nm) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_VI | l , p | "lines", "nsamp" | Byte | pxl | Map data (Vegetation indices) |
| palette_VI | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (Vegetation indices) |
l : Number of lines per scene ("Number of Lines" of Map Information in Global attributes)
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|
| map_SST | l , p | "lines", "nsamp" | Byte | pxl | Map data (Sea surface temperature) |
| palette_SST | 3 , 256 | "rgb", "scale" | Byte | 768 | Palette data (Sea surface temperature) |
| V group name (Tag = VG) | V group class |
|---|---|
| Sensor Tilt | Scan_Line_Data |
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | VH : long_name (Tag = VS) | VH : valid_range / units (Tag = VS) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|---|---|
| tilt_seg | 1 | "tilts" | "Tilt segment number" | valid_range = (1 , 5) | Short | 2 | Tilt segment number. 1 : tilt angle = 0 degree (northern), 2 : tilt angle = -20 degrees, 3 : tilt angle = 20 degrees, 4 : tilt angle = 0 degree (southern) and 5 : calibration data / nighttime observation data |
| V group name (Tag = VG) | V group class |
|---|---|
| Tick Mark | Parameter |
n : Total number of tick marks (Sum of four values which V group name is "num_mark")
| V group name (Tag = VG) | Dimension (Tag = SDD) | Dimension name (Tag = VG) | VH : long_name (Tag = VS) | VH : valid_range / units (Tag = VS) | Type | Size (bytes) | Contents (Tag = SD) |
|---|---|---|---|---|---|---|---|
| nm_mark | 4 | "nmark" | "Number of tick mark" | Short | 8 | Numbers of tick marks (top, bottom, left, right) (If total number of tick marks (n) is zero, following items (Vgroups) don't exist.) | |
| pxl | n | "mdatas" | "Pixel number" | Short | 2xn | ||
| lat_lon | n | "mdatas" | "Identifier of latitude or longitude" | valid_range = (0 , 1) | Short | 2xn | |
| lat_lon_v | n | "mdatas" | "Latitude or Longitude" | valid_range = (-180 , 180) units = "degrees" | Real | 4xn |