Long name | Landsat data set |
Short name | L8-9 |
Sensor type | Optical |
Platform | Landsat 8 and Landsat 9 |
Key file name (use to open data set) | *_MTL.txt or *_MTL.xml for Collection 2 |
Supported file extensions | .txt, .tif, .xml for Collection 2 |
Sections |
Data product name and description |
Data product name and description
Sensor | Spectral bands: |
Spatial resolution (m)* |
Notes |
---|---|---|---|
PAN (OLI) | 500 - 680 (Panchromatic) | 15 | 185 km swath width |
MS (OLI) | 435 - 451 (Coastal Aerosol) |
30 | 185 km swath width |
TIRS | 10600 - 11190 (Thermal) |
30 | 185 km swath width |
* Resolution is always nadir position unless noted otherwise.
Processing level | Horizontal accuracy (m) | Description/notes |
---|---|---|
L1GT | N/A | Corrected systematically for ground and terrain. |
L1T/1TP | N/A | Corrected for ground and terrain.
L1TP data is provided in relative top-of-atmosphere (TOA) reflectance. |
A Landsat 8-9 data set is organized in a specific folder structure on disk. GDB uses this folder structure and the file names to identify the data product type.
In CATALYST Professional programs, such as Focus, you can open a Landsat 8-9 data set in the File Selector window by selecting the *_MTL.txt file or the *_MTL.xml file for Collection 2.
When opening a Landsat 8-9 data set, the files read by GDB are as described in the following table.
File name | Format | Required | Contents/details |
---|---|---|---|
*_MTL.txt or *_MTL.xml for Collection 2 | Text | Yes | Key file name. Use this file to open the data set. |
*.TIF | GeoTIFF | Yes | TIFF image file. Contains imagery information. |
*_ANG.txt | ASCII | No | Angle-coefficent file that provides model coefficients of the sensor-viewing angle. With this file, you can create angle bands and compute solar and sensor-viewing angles per pixel. |
Returned data for supported format
Landsat 8-9 data can be opened directly in its raw vendor format or imported into a PCIDSK (*.pix) file using the key file name. For optimal processing, use the PCIDSK format. The data structure, after it is opened by GDB, is as described in the following table.
Data product | Data returned | Details |
---|---|---|
Landsat 8-9 15m PAN | 1 x [16U] raster channel |
Panchromatic band.
Metadata (*_MTL.txt) file |
Landsat 8 30m MS | 9 x [16U] raster channels |
Coastal Aerosol, Blue, Green, Red, NIR, SWIR (2), Cirrus, Quality bands.
Note: Quality band is only available for Collection 1
Metadata (*_MTL.txt) file |
Landsat 8 30m TIRS | 2 x [16U] raster channels |
Two thermal bands.
Metadata (*_MTL.txt) file |
Landsat 8 30m Quality | 5 x [8U] raster channels |
Quality band.
Metadata (*_MTL.txt) file |
Landsat 8-9 Collection 2 Level 1 30m MS and Thermal | 16 (Combined) (14 OLI) x [16U] raster channels |
Coastal Aerosol, Blue, Green, Red, NIR, SWIR (2), Cirrus, Thermal (2) (Combined only), Quality, Saturation and Occlusion, Angle (4) bands.
4 Confidence bands. Fill, Dilated Cloud, Cirrus, Cloud, Cloud Shadow, Snow, Clear, Water, Data Saturation (8), Terrain occlusion bands. Metadata (*_MTL.xml) file |
Landsat 8-9 Collection 2 Level 1 30m Thermal | 4 x [16U] raster channels |
Thermal (2), Quality, Occlusion bands.
4 Confidence bands. Fill, Dilated Cloud, Cirrus, Cloud, Cloud Shadow, Snow, Clear, Water, Terrain occlusion bands. Metadata (*_MTL.xml) file |
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