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Earthdata Search enables smart handoffs of search criteria and parameters to Giovanni. Giovanni is a NASA tool that displays Earth science data from NASA satellites directly on the Internet, without the difficulties of traditional data acquisition and analysis methods.
Link to Giovanni: https://giovanni.gsfc.nasa.gov/
A smart handoff allows for the seamless transfer of a user experience from one web user interface to another while preserving the user's earth science context. The context being preserved may include:
- Spatial constraints
- Temporal constraints
- Collections
There are three ways to enable the smart handoff from Earthdata Search to Giovanni:
- From the 'Collection Results' page.
- From the 'My Project' page.
- From the 'Collection Details' page.
The smart handoff capability is not available for all collections. Those collections that have this capability will have a vertical ellipsis ⋮ within the pages listed in the step-by-step instructions. For a list of collections capable of the smart handoff feature from Earthdata Search to Giovanni, please see the following .txt file (last updated February 2019).
STEP-BY-STEP INSTRUCTIONS
The collection being used for this guide is `C1281704371-GES_DISC` or `TRMM (TMPA) Rainfall Estimate L3 3 hour 0.25 degree x 0.25 degree V7 (TRMM_3B42) at GES DISC`.
Apply any spatial and/or temporal constraints to the data before following the steps below. These constraints will be preserved and handed off to Giovanni. For instructions on how to search using Earthdata Search, please see: How To: Search using Earthdata Search.
CLICK on a collection capable of the smart handoff feature to view the collection results page.
CLICK on the vertical ellipsis on the collection results page.
CLICK on Giovanni in the popup from the vertical ellipsis. This will open a new tab/window.
Giovanni will process and open in a new tab/window with the spatial, temporal, and collection information from Earthdata Search preserved.
Apply any spatial and/or temporal constraints to the data before following the steps below. These constraints will be preserved and handed off to Giovanni. For instructions on how to search using Earthdata Search, please see: How To: Search using Earthdata Search.
CLICK on a collection capable of the smart handoff feature to view the collection results page.
Alternatively, CLICK on Add collection to current project to add all of the granules in the collection that match the spatial and temporal restraints to 'My Project'.
CLICK Add to project to add the granules that match the spatial and temporal restraints to 'My Project'.
CLICK on My Project.
CLICK on the vertical ellipsis next to the collection name that is capable of a smart handoff.
If there are multiple collections in the project, only those collections that are capable of the smart handoff feature will display the vertical ellipsis next to the collection name. The smart handoff feature can only be used for one collection at a time.
CLICK on Giovanni in the popup from the vertical ellipsis. This will open a new tab/window.
Giovanni will process and open in a new tab/window with the spatial, temporal, and collection information from Earthdata Search preserved.
Apply any spatial and/or temporal constraints to the data before following the steps below. These constraints will be preserved and handed off to Giovanni. For instructions on how to search using Earthdata Search, please see: How To: Search using Earthdata Search.
CLICK on the View collection details button on a collection capable of the smart handoff feature.
CLICK on the vertical ellipsis on the collection details page.
CLICK on Giovanni in the popup from the vertical ellipsis. This will open a new tab/window.
Giovanni will process and open in a new tab/window with the spatial, temporal, and collection information from Earthdata Search preserved.
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