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README.md

Submit a batch of MODIS Global Subset Tool orders via the MODIS Web Service

Author: ORNL DAAC
Date: May 29, 2018
Contact for ORNL DAAC: uso@daac.ornl.gov

Keywords: MODIS, web service, Python, R, REST

Overview

The tutorials in the two jupyter notebooks demonstrate how to submit a batch of orders to the MODIS Global Subset Tool for a list of coordinates in a text file using the MODIS Web Services API maintained by the ORNL DAAC. For a full description and usage examples of the web service, please visit the ORNL DAAC's MODIS: https://modis.ornl.gov/data/modis_webservice.html

Tutorials

Prerequisites:

  • Python 2 or 3, Libraries: requests, pandas, json, datetime OR
  • R (3.x recommended). R libraries: httr, readr, jsonlite
  • An input text file formatted as follows:
site_id,product,latitude,longitude,email,start_date,end_date,kmAboveBelow,kmLeftRight
site1,MOD13Q1,35.0,-90.0,mcnelisjj@ornl.gov,2000-01-01,2005-12-31,8,8
site2,MOD13Q1,40.0,-95.0,mcnelisjj@ornl.gov,2000-01-01,2005-12-31,8,8
site3,MOD13Q1,45.0,-100.0,mcnelisjj@ornl.gov,2000-01-01,2005-12-31,8,8
site4,MOD13Q1,50.0,-105.0,mcnelisjj@ornl.gov,2000-01-01,2005-12-31,8,8
site5,MOD13Q1,55.0,-110.0,mcnelisjj@ornl.gov,2000-01-01,2005-12-31,8,8

You can of course format your input file however best suits your needs; e.g. the product, email, start_date, end_date, kmAboveBelow, and kmLeftRight are redundant in the notebooks examples and could be excluded.

order_delivery_example

Figure 1. Example order delivery email

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