How to do a research in the Explore Data Catalogue? - Help
How to do a research in the Explore Data Catalogue?
Data Catalogue form
Click on the Explore page on the navigation menu. The Data Catalogue will appear, from which you can execute a research of data granules matching the criteria provided by the form you can find at the left of the page.
This form is divided into three main Categories:
- Data Category, where you can find criteria according to the campaign type (i.e. Ground Campaign, Satellite Campaign…
- Location, where you can define the area you want to filter the results with
- Period, where you can define the data acquisition range you want to filter the results with
At the bottom of the search you can find the search and the clear search buttons, allowing you to launch the search or to clear all your form inputs.
Launching a search request
You can now fill in the form with your wanted criteria.
Please be aware that the collection name is a required input to launch your search request. All other inputs are optional.
Fill in the collection name input in Data Category with “afrisar_onera”, the SubRegion with “La Lope” and the product type with “ROI”.
Be aware that the collection name and sub region criteria are not case sensitive, and that for the collection name, you can for example precede the input with a “*” to research all granules whose collection finish with onera like so : *onera
Click on the apply button and submit your form by clicking on the SEARCH button.
A loading spinner will appear, informing you that your research has been taking into account. Wait until the result list appears at the bottom right of the page.
Choosing a Granule
The result list displayed shows a list of granules matching a list of granules matching your search request.
These granules are row grouped by ground Campaign scenes if you filled ground campaign data category inputs. You can collapse these row grouping by clicking on the arrow next to the row grouping title.
The input at the upper left give you the possibility to change the number of entries showing in the result list. The search input at the upper right allows you to do an additional filter on the results. The little arrows on each column permits to sort the result list with the given column attribute.
You can find at the left of a granule row a quick look of the data. Clicking on it will result in zooming the data Catalogue globe map to the given data bounding box, to give you a better idea of the data location and the data existing nearby.
You can then click on the bounding box vector to display some metadata of the layer.
Choose a granule to add into your workspace by clicking on the plus button at the right of the granule row. The granule will then be added into your workspace and you can begin to work with it.
Please be aware that clearing your browser local storage will result in clearing your selected layers the next time that you go to the explore page