Frame definition

[scottstanie]

Script for making a DB with a frames table, along with a join table to select all bursts for a frame.

• The frame numbers are unique across all relative_orbit_numbers.
• The frame is assigned an EPSG code based on it's center, then all bursts in it are updated to have this epsg.
• I fixed the install script and added the entry point opera-create-db, which will download all the necessary files and create the 2 dbs (one full one, one burst with just 5 columns that's only 22 MB zipped up)

You can grab all the bursts for a frame combination using using the query

import sqlite3

frame_id = 1  # replace this with the desired frame id

conn = sqlite3.connect("s1-frames-9frames-5min-10max.gpkg")
cursor = conn.cursor()

query = """
SELECT b.*
FROM frames_bursts AS fb
JOIN burst_id_map AS b ON fb.burst_ogc_fid = b.OGC_FID
WHERE fb.frame_fid = ?
"""

cursor.execute(query, (frame_id,))
bursts_for_frame = cursor.fetchall()

# Print the results
for burst in bursts_for_frame:
    print(burst)

[seongsujeong]

My additional comments are as below. I have not reviewed frames.py yet. Please let me know if the code is ready. - Seongsu

[seongsujeong]

@scottstanie Thanks for taking care of my comments. Here are some minor comments. Most of them are for aesthetics, except for the variable name zip. - Seongsu

[seongsujeong]

LGTM. Thanks for the PR and taking care of my comments @scottstanie