Important: This tool is retired and no longer maintianed. Please use sat-api.
A version of sat-api with Landsat metadata is accessible here.
This is an API for NASA/USGS Landsat-8 images. Landsat-api enables you to make geospatial, date and text queries on Landsat-8 metadata.
The metadata is released in csv format by USGS on a daily basis. You can download the raw metadata from here.
Download and install the lastest version of elastic search zip from ES website
Landsat-api powers a number of projects including Libra and AstroDigtal's Imagery Browser.
- MongoDb [2.6 or higher]
or
- ElastiSearch [1.6 or higher]
Install packages
$: npm install
Set environment variables on your system or add an .env
file to the root directory of the app:
DB_TYPE=mongo
choices aremongo
ores
ES_HOST=example.com:9200
if you are using ElasticSearchMONGODB_URL=mongodb://user:pass@example.com:11111/db_name
if you use MongoDbAREA_LIMIT=500000
The area limit in (sq. km) for use in geo-spatial queries.REDIS_USE=true
Whether to active the caching. Default is false.REDIS_HOST=127.0.0.1
default is127.0.0.1
REDIS_PASSWORD=redispassword
Redis db password. Default is null.REDIS_DATABASE=myredisdb
Name of the redis db. Default is null.REDIS_PORT=6379
Redis port. Default is 6379.LANDSAT_PAYLOAD_LIMIT
Limit of payload size for POST in bytes. Default is 2048000.
To run the api:
$ node index.js
To run the database updater
$ node updater.js
Note: updater.js
works with MongoDb. If you plan to update an ElasticSearch installation replace updater.js
with examples found here.
$ npm test