Forums » GAMMA Processing » SAR Data Preprocessing » Sentinel-1 »
Identification and locating the burst orderly manner taken by sentinel sensor
Added by Kaarthikeyan R over 3 years ago
I have a small doubt regarding the identification of the Burst image obtained in the TOPS mode. For instance, when I run the command S1_burstloc I am getting the output of burst edge coordinates with its respective Subswath only.
I wanted to know that is there any code or command line that exists for identifying the Burst orders with respect to the image taken by the Sentinel Sensors. Like Brust 1 present in SW 1 with its identification and location in SW1 and like burst 2 exist in SW3 with its identification and in SW3.
Replies (1)
Identification and locating the burst orderly manner taken by sentinel sensor - Added by Charles Werner over 3 years ago
Hello,
The S1 data contain XML format annotation files in the annotation subdirectory
for each product. There are individual XML files for each polarization in each
swath. Typically there are 6 XML files. As an example from an image acquired
over Canada:
s1a-iw2-slc-vv-20200128t224415-20200128t224440-031007-038fbf-005.xml
s1a-iw1-slc-vh-20200128t224414-20200128t224440-031007-038fbf-001.xml
s1a-iw1-slc-vv-20200128t224414-20200128t224440-031007-038fbf-004.xml
s1a-iw2-slc-vh-20200128t224415-20200128t224440-031007-038fbf-002.xml
s1a-iw3-slc-vh-20200128t224414-20200128t224439-031007-038fbf-003.xml
s1a-iw3-slc-vv-20200128t224414-20200128t224439-031007-038fbf-006.xml
If you use S1_burstloc to get the corners of the bursts, you need to run it 3
times, once for each of the 3 swaths.
Alternately, you can import the reference scene using the script
S1_import_from_zipfiles, then use the program ScanSAR_burst_corners, and this
will extract the corner coordinates from the imported data that are stored in
the TOPS_par, and generate a KML file that you can look at in GoogleEarth
showing all the burst boundaries from all 3 swaths.
Attached is the updated documentation for S1_burstloc with more information on
each of the data fields
Best regards,
Charles
| S1_burstloc.html (7.46 KB) S1_burstloc.html |