Introduction
============

This is the User Guide of the View Server (VS). The intended readers are users
of the web client shown below and external services provided by the View Server.

These provided external services are services for searching, viewing, and
downloading of Earth Observation (EO) data. Service endpoints optimized for
performance as well as for flexibility are provided alongside each other.

.. figure:: images/webclient_start.*
   :alt: Web Client

   *Web Client*

Continue reading to understand the details of the provided :ref:`webclient`.

Some examples of production deployments of the VS referencing data from Copernicus Space Component Data Access (CSCDA) are on:

* `VHR IMAGE 2018: <https://sso.vhr18.pass.copernicus.eu>`_ 
* `Emergency <https://sso.emg.pass.copernicus.eu>`_
* `Copernicus DEM Open <https://sso.demf.pass.copernicus.eu>`_
* `Copernicus DEM Restricted <https://sso.dem.pass.copernicus.eu>`_
* `Frontex Emergency <https://sso.frtx-emg.pass.copernicus.eu>`_
* `SatCen Emergency <https://sso.sace-emg.pass.copernicus.eu>`_
* `Csea Emergency <https://sso.csea-emg.pass.copernicus.eu>`_