leliel12/gvt_scripts

GVT Scripts

Multiple scripts for the GVT

About the versioning

This project follows a semantic versioning know as Calendar versioning With the format YYYY.MM.DD[.MICRO]

Where:

• YYYY: Four-digit year
• MM: Two-digit month
• DD: Two-digit day within the month
• [.MICRO]: Optional, for distinguishing multiple releases within the same day if needed

Installation

You can install these scripts using the pip tool in Python, directly from GitHub.

$ pip install -U https://github.com/leliel12/gvt_scripts/archive/refs/heads/master.zip

If you want to use Anaconda, first install pip with conda.

$ conda install pip

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1. The search-shp-dir command

Scandirectory of satellite observation create a indexed metadata db and provide search capabilities.

Here's a tutorial for using the search-shp-dir sub-commands command-line interface (CLI):

$ search-shp-dir mkdb

Usage:

$ search-shp-dir mkdb <path_to_directory> --db <database_file_path>

This command takes the path to a directory and creates a database with the specified output path.

Arguments:

• PATH: Path to the directory. [required]

Options:

• --db PATH: URL to the database file [required]

$ search-shp-dir ssearch

Usage:

$ search-shp-dir ssearch --db <database_file_path> --query <search_query> [--to <output_file_path>]

This command performs a simple search over a database.

The query string should consist of one or more conditions in the format: "field operator value" separated by "&". Supported operators are: "=", "!=", "<", "<=", ">", ">=", "in", "not in".

One example of a query is "satellite = 'Landsat-8' & cloudperce <= 10"

The format is given by the "to" extension. Available formats: {'.yml', '.csv', '.yaml', '.xml', '.json'}

Options:

• --db PATH: URL to the database file [required]
• --query TEXT: Query to search for [required]
• --to FILENAME: Path to the output file

$ search-shp-dir fields

Usage:

$ search-shp-dir fields

This command lists all the fields available in the database.

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$ search-shp-dir fields-info

Usage:

$ search-shp-dir fields-info <fields>... --db <database_file_path>

This command returns information about the type and possible values of given fields.

Arguments:

• fields FIELDS...: Fields names [required]

Options:

• --db PATH: URL to the database file [required]