SPOT 7

Long name	SPOT7
Short name	SP7
Sensor type	Optical multispectral (6 meter) and panchromatic (1.5 meter)
Platform	SPOT 7
Key file name (use to open dataset)	DIM_SPOT7_*.xml
Supported file name extensions	.xml, .jp2, .jpg
Sections	Data product name and description Distribution disk files Returned data for supported format References

Data product name and description

SPOT 7 is an optical imaging satellite capable of imaging the Earth with a resolution of 6 meters in multispectral (blue, green, red, near-IR) and 1.5 meters in panchromatic. The satellite provides imaging products to customers in the defense, agriculture, deforestation, environmental monitoring, coastal surveillance, engineering, oil, gas, and mining industries.

Note: The information provided herein is based on the data distributor's documentation cited under References.

Spectral bands: Spectral range (nm)	Spatial resolution (m)* (spectral resolution)	Maximum image dimensions (Across track x along track, km)	Notes
MS1 (Blue): 450 - 520 MS2 (Green): 530 - 590 MS3 (Red): 625 - 695 MS4 (NIR): 760 - 890 PAN (Panchromatic): 450 - 745	MS: 6 (12-bit) PAN : 1.5 (12-bit)	60 (at nadir)	Standard viewing angle: ±30 degrees Maximum viewing angle: ±45 degrees

* Resolution is always nadir position unless noted otherwise.

Spot 7 data is available in the processing levels described in the following table.

Processing level	Description/notes
Primary	The Primary product is the processing level closest to the natural image acquired by the sensor. This product restores perfect collection conditions: the sensor is placed in rectilinear geometry, and the image is clear of all radiometric distortion. Rational polynomial coefficients (RPC) and the sensor model are provided with the product to ensure full autonomy and simplicity of use.
Projected	This product level is an image projected at constant altitude. By default, the image will be projected at mean altitude of the area, but the client will have the possibility to specify another altitude (useful in case of high relief difference, if the mean altitude is not representative of the area).
Standard Ortho	The Ortho product is a georeferenced image in Earth geometry, corrected from acquisition and terrain off-nadir effects. The Ortho product is produced as a standard, with fully automatic processing. You can select the spectral-band combination, bit-depth, and file format, if necessary.

Distribution disk files

Spot 7 is distributed using DIMAP V2. Separate directories are included for multispectral and panchromatic. You can open each by selecting the DIM*.xml file.

File name	Format	Required	Contents/details
DIM_SPOT7*.xml	Extensible Markup Language	Yes	Key file name, contains data set metadata
.tif, .jp2	Tagged Image File Format, Joint Photographic Experts Group 2000	Yes	Image data
RPC*.xml	Extensible Markup Language	Yes	Rational function model

Returned data for supported format

Spot 7 data can be opened directly in its raw vendor format or imported into a PCIDSK (*.pix) file using the key file name (DIM*.xml). For optimal processing, use the PCIDSK format.

The following table describes the data structure after it is opened by GDB.

Data product	Data returned	Details
Primary/Projected Multispectral	4 x [16U] raster channels 1 x [TEX] Text segment 1 x [ORB] Orbit segment 1 x [BIN] Rational function model	Multispectral and panchromatic data must be opened separately.
Primary/Projected Panchromatic	1 x [16U] raster channel 1 x [TEX] Text segment 1 x [ORB] Orbit segment 1 x [BIN] Rational function model	Panchromatic and multispectral data must be opened separately.
Standard Ortho	1, 3, or 4 x [16U/8U] raster channels 1 x [TEX] Text segment	Number of channels and bit-depth depends on your selections when ordering data.

References

SPOT 6 & SPOT 7 Imagery User Guide. Astrium GEO-Information Services, France, Version 1.0, July 2013.

For more information, visit: intelligence-airbusds.com