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Search and download Landsat scenes from EarthExplorer.

Project description

Description

The landsatxplore Python package provides an interface to the EarthExplorer portal to search and download Landsat Collections scenes through a command-line interface or a Python API.

It supports three data sets: LANDSAT_TM_C1, LANDSAT_ETM_C1 and LANDSAT_8_C1.

Quick start

Searching for Landsat 5 TM scenes that contains the location (12.53, -1.53) acquired during the year 1995.

landsatxplore search --username <username> --password <password> \
    --dataset LANDSAT_TM_C1 --location 12.53 -1.53 \
    --start 1995-01-01 --end 1995-12-31

Downloading three Landsat scenes from different datasets.

landsatxplore download --username <username> --password <password> \
    LT51960471995178MPS00 \
    LC80390222013076EDC00 \
    LC82150682015350LGN01

To use the package, Earth Explorer credentials are required (registration).

Installation

The package can be installed using pip.

pip install landsatxplore

Usage

landsatxplore can be used both through its command-line interface and as a Python module.

Command-line interface

landsatxplore --help
Usage: landsatxplore [OPTIONS] COMMAND [ARGS]...

Options:
  --help  Show this message and exit.

Commands:
  download  Download one or several Landsat scenes.
  search    Search for Landsat scenes.

Searching

landsatxplore search --help
Usage: landsatxplore search [OPTIONS]

  Search for Landsat scenes.

Options:
  --username TEXT                 EarthExplorer username.
  --password TEXT                 EarthExplorer password.
  --dataset [LANDSAT_TM_C1|LANDSAT_ETM_C1|LANDSAT_8_C1]
                                  Landsat data set.
  --location FLOAT...             Point of interest (latitude, longitude).
  --bbox FLOAT...                 Bounding box (xmin, ymin, xmax, ymax).
  --clouds INTEGER                Max. cloud cover (1-100).
  --start TEXT                    Start date (YYYY-MM-DD).
  --end TEXT                      End date (YYYY-MM-DD).
  --limit INTEGER                 Max. results returned.
  --help                          Show this message and exit.

Downloading

landsatxplore download --help
Usage: landsatxplore download [OPTIONS] [SCENES]...

  Download one or several Landsat scenes.

Options:
  -u, --username TEXT  EarthExplorer username.
  -p, --password TEXT  EarthExplorer password.
  -o, --output PATH    Output directory.
  --help               Show this message and exit.

API

EarthExplorer API

landsatxplore provides an interface to the Earth Explorer JSON API. Please refer to the official (documentation) for possible request codes and parameters.

Basic usage

import landsatxplore.api

# Initialize a new API instance and get an access key
api = landsatxplore.api.API(username, password)

# Perform a request. Results are returned in a dictionnary
response = api.request('<request_code>', parameter1=value1, parameter2=value2)

# Log out
api.logout()

Searching for scenes

import landsatxplore.api

# Initialize a new API instance and get an access key
api = landsatxplore.api.API(username, password)

# Request
scenes = api.search(
    dataset='LANDSAT_ETM_C1',
    latitude=19.53,
    longitude=-1.53,
    start_date='1995-01-01',
    end_date='1997-01-01',
    max_cloud_cover=10)

print('{} scenes found.'.format(len(scenes)))

for scene in scenes:
    print(scene['acquisitionDate'])

api.logout()

Output:

8 scenes found.
1995-05-10
1995-05-26
1995-06-11
1995-06-11
1995-06-27
1995-07-29
1995-08-14
1995-08-14

Downloading scenes

from landsatxplore.earthexplorer import EarthExplorer

ee = EarthExplorer(username, password)

ee.download(scene_id='LT51960471995178MPS00', output_dir='./data')

ee.logout()

Project details


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