Gaofen 1

Long name Gaofen 1 satellite
Short name GF1
Key file name (use to open data set) GF1_PMS1_*-MSS1.xml


Supported file extension(s) .xml, .tiff, .jpg, .rpb
Sensor Optical panchromatic (2 m) and multispectral (8 m)
Platform Gaofen-1
Data distributor State Administration of Science, Technology and Industry for National Defense

Data product name and description
Distribution disk files
Returned data
Returned file-level metadata

Data product name and description

Data Product Description Version
Panchromatic image (one band) Panchromatic (PAN)

Resolution: 2 m

Multispectral image (four bands)

Band 1 Blue

Band 2 Green

Band 3 Red

Band 4

Resolution: 8 m


Distribution disk files

File Name File Type Required Contents Details
GF1_PMS1_*.tiff GeoTiff Yes Image data Image files
GF1_PMS1_*.xml Text Yes Metadata Metadata file
GF1_PMS1_*.jpg Bin No Overview
GF1_PMS1_*.rpb Text Yes RPC information
GF1_PMS1_*_thumb.jpg Bin No Thumbnail

Returned data

Data Product Data Returned Details
GF1 - satellite image data - PAN One channel for panchromatic data. GDB retrieves one image channel for panchromatic data.
GF1 - satellite image data - MS Four channels for multispectral data. GDB retrieves four image channels for multispectral data.
Product annotation data One text segment for product information. GDB generates a text segment for product information.
RPC data One binary segment for RPC data.
Orbit data One orbit segment for orbit data.

Returned file-level metadata

Name Description Values
SensorModelName Model name of the sensor that acquired the data PMS1
PlatformName Platform name GF1
FormatName Product data format GeoTIFF
SensorCode Sensor code PAN or MS
RowCount Number of rows in the image Integer
ColumnCount Number of columns in the image Integer
NumberOfBands Number of bands in the image 1 or 4
SourceID Unique ID of the image source String
SpatialResolutionX Horizontal spatial resolution of the image 2 m or 8 m
SpatialResolutionY Vertical spatial resolution of the image 2 m or 8 m
Acquisition_DateTime Acquisition date and time of the image YYYY-MM-DDTHH:MM:SS.XXXXXXZ
SolarAzimuth Solar azimuth Real
AngleofSolarElevation Angle of solar elevation Real
SatelliteAzimuth Satellite azimuth Real
SatelliteElevationAngle Satellite elevation angle Real

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