Instructions for the Open Data Tools Session 1 of the MELODIES Exploiting Open Data Conference

Open Data Tools - Session 1.md

MELODIES - Exploiting Open Data

Open Data Tools - Session 1: Working with Cloud resources

Brussels, 13rd October 2016

Prerequisites

• You have successfully performed the SSH key pair and VPN Setup (Training Preparatory Step 1/2),
• You have successfully performed the Cloud Dashboard access and Sandbox deployment (Training Preparatory Step 2/2).

Get the Application

• Log on the Developer Cloud Sandbox,
• Clone the Application repository, depending on the language chosen, by typing:

(Bash)

git clone https://github.com/ec-melodies/dcs-bash-sentinel2.git
cd dcs-bash-sentinel2

(Python)

git clone https://github.com/ec-melodies/dcs-python-sentinel2.git
cd dcs-python-sentinel2

Install the tools

• Type:

sudo yum install -y miniconda openjpeg2
sudo conda install -y gdal sen2cor

(only for Python)

sudo conda install -y cioppy

Install the Application

• Type:

mvn install

Execute the Application

• Open a browser,
• Type http://sandbox-host (Hint: see Cloud Dashboard access and Sandbox deployment (Training Preparatory Step 2/2) to get instructions about how to obtain the sandbox-host value),
• Click on the link User Dashboard,
• Click on the tab Invoke,
• Click on the link Sentinel-2 Atmospheric Correction,
• In the Sentinel-2 L1C field, type the sentinel-2-reference value provided by your instructor by e-mail,
• Click on the button Run button.

Monitor and Debug the Application

• Open a browser,
• Type http://sandbox-host,
• Click on the link User Dashboard,
• Click on the tab Debug,
• Click on the Oozie run item,
• Click on the info icon on the block with the label n-sen2cor_node,
• Click on the link consoleUrl,
• Follow the guidance provided by your instructor.

Inputs

1 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161008T183936_R051_V20161008T105022_20161008T105022 2 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161008T184802_R051_V20161008T105022_20161008T105022 3 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161008T182923_R051_V20161008T105022_20161008T105022 4 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161008T183005_R051_V20161008T105022_20161008T105022 5 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161008T183132_R051_V20161008T105022_20161008T105022 6 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161008T183126_R051_V20161008T105022_20161008T105022 7 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161005T204601_R008_V20161005T104022_20161005T104018 8 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161005T204309_R008_V20161005T104022_20161005T104018 9 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161005T204518_R008_V20161005T104022_20161005T104018 10 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161005T203229_R008_V20161005T104022_20161005T104018 11 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161005T204207_R008_V20161005T104022_20161005T104018 12 - https://catalog.terradue.com/sentinel2/search?format=atom&uid=S2A_OPER_PRD_MSIL1C_PDMC_20161005T203605_R008_V20161005T104022_20161005T104018