Introduction

The Data Display Tool is a collection of libraries and tools for the transfer, display and manipulation of data coming from instrument and telescope detectors. The DDT is a product that is being developed in the scope of an outsourcing contract by the company CGI. The IFW v4 is packing a snapshot of the actual version.

Warning

Disclaimer:

ESO does not ensure the correct functioning of the DDT Viewer or libraries contained in version 4 of the ICS Framework. This beta version of DDT and its documentation is delivered “as is” without warranty of any kind.

Delivery Scope

• ESO maintains a parallel version of DDT with the porting to CentOS 8. This version is not officially supported by CGI.

• Some sections of the user manual shall be ignored or they are not valid:

  • Ignore paragraph 3.2 about the installation under CentOS7. DDT is provided as a RPM package.

  • Logs of the DDT are saved under the home account running the applications.

  • To lauch the python version of the DDT reference viewer application, you can just execute pyDdtViewer.

The actual version of the DDT user manual can be found here: https://www.eso.org/~eltmgr/ICS/documents-4.0.0/pdfDocumentation/CGI-MAN-00026_5-DDT-User-Manual.pdf