How to Create an IOR

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An IOR (Instrument Operations Response) is a series of instructions (telecommands) telling STIX what to do. An IOR is uploaded to STIX each STP cycle which is typically a week long. The process for uploading an IOR is as follows:

  1. Generate an IOR;
  2. Test IOR on Ground Unit;
  3. Submit IOR for Internal Review
  4. Submit IOR to SOC

Below focuses on article will focus on the first step, creating an IOR. For definitions of acronyms used in this page, see Acronyms & Definitions.

1 Generate an IOR

1.1 Required Software

We suggest using STIX virtual server to generate IORs. The tutorial for logging onto the server can be found at

https://v000658.fhnw.ch/index.php/s/7ADcnSNExFNPCyF

If you create IORs with your local machine, you need to install starlet.

For instructions installing these packages, click on the package link above.

1.2 How To Generate an IOR

  • Check the STP schedule on the Solar Orbiter wiki. GIVE BETTER INSTRUCTIONS ON HOW TO FIND THE RELEVANT INFO FROM THIS LINK. Take note of:
    • The STP number/cycle;
    • The deadline for IOR submission deadline to the Solar Orbiter SOC; GIVE INSTRUCTIONS ON HOW TO FIND THIS INFO IN THE TABLE VIA THE ABOVE LINK.
    • The onboard IOR start time (equivalent to the STP start time).
  • Log into SOOP KITCHEN and check whether there is an "analysis window" in the current STP. If there is an analysis window, we must include data requests as part of the IOR.
    • The start time, duration and end time of the STP/IOR can also be confirmed via SOOP KITCHEN.
  • Download necessary input files. See nested bullets below. All can be found at https://pub023.cs.technik.fhnw.ch/gfts/solsoc/from_soc/ (This page is password protected. Contact Hualin at hualin.xiao@fhnw.ch to get access):
    • MIB:
      • Check the current version number on Solar Orbiter wiki. It is given by the "MIB Name" column.
      • Ctrl+F the version number on the above pub023 web address and download.
      • Unzip the file.
    • LTP timeline JSON file
      • The JSON file contains certain info on the STP, e.g. the start and end time.
      • The filename will also contains "MXX" where XX is the number of the LTP. The json file for the correct LTP must be used otherwise Startlet will not process the IOR correctly.
      • There is one json per LTP, but the version is often updated by ESA. So always get the latest version for the relevant LTP from pub023 address above.
      • Download latest version from the above pub023 URL. (The version here is usually the latest.)
  • Open STIX-Starlet and enter IOR metadata.
    • Set directory where IOR will be generated. Settings -> Set storage directory
    • Set Starlet to STIX format. Settings -> Instrument -> STIX
    • Enter the STP number from STP schedule into STP cycle field
    • Add your name in author field.
    • Add onboard start time from the STP schedule in the start time field.
    • End time must be before the next STP and next IOR starts (whichever is earliest), and after all telecommands have been executed. A typical value would be 24 hours after the IOR start time.
    • If this is the first IOR for the current STP, set the file and version numbers to 1.
      • If an IOR has to be recreated due to an issue found in review, iterate version number.
      • If more the STP requires more than one distinct IOR, iterate the file number
  • Enter the paths of the required files:
    • MiB: Settings -> Set instrument Database. Then select the unzipped MIB directory.
    • Timeline JSON: Do the same as for E-FECS and TMC. DO NOT click "Load JSON" at this stage.
  • Add telecommands via the "Add Sequence".
  • Once all sequences are added, click "Load JSON" button. This will assign OBS ID to all telecommands. These should all be the same for a given STP.
  • Generate IOR by clicking "Generate" button. This will create a .SOL file in the "storage directory" set above.

2 Test IOR on Ground Unit

  • If you still have the IOR open in STIX-Starlet, save the IOR to as a .tcl by clicking the .tcl button in the toolbar.

See Testing an IOR with the Ground Unit.

3 Submit IOR for Internal Review

4 Submit IOR to SOC

Once the STIX team is happy with the IOR, submit it to the SOC by doing the following:

  • Generate and download an IORG zip file corresponding to the IOR to be submitted.
    • Find the ID of the IOR from the Operation Requests List on the STIX server.
    • Go to https://pub023.cs.technik.fhnw.ch/view/operations and click the button marked "Create IORG File".
    • Enter the ID of the first IOR into the start field and the ID of the last IOR to be included in the end field. Also enter the STP number and the IOR number (in most cases this is 1). Then click "Create and Download".
  • Send the IORG file to the SOC
    • You will need a server account write permissions. To get an account email Hualin at hualin.xiao@fhnw.ch or Dan Ryan at daniel.ryan@fhnw.ch
    • If you are not on the FHNW network, you will have to Connect to the FHNW VPN.
    • Copy the IORG zip file to ESA's STIX GFTS server by opening a terminal and cd to the directory where you saved the IORG file above. Then type sudo scp <IORG filename> <username>@147.86.8.26:~ where <IORG filename> is the name of the IORG file and <username> is the username of your account on the STIX GFTS server.
    • Login into the ESA's STIX GFTS server by typing ssh <username>@147.86.8.26
    • Change permissions on the IORG file: sudo chmod 777 <IORG filename>
    • Move the IORG file from the home directory (where we copied it to above) to the to_soc directory by typing sudo cp ~/<IORG filename> /home/solsoc/to_soc/
  • Confirm the SOC has validated the IOR
    • The SOC will copy the file from the to_soc and then delete it. This can happen straight away. The SOC will then run an automatically verify the IOR and then return a .CRR back to the /home/solsoc/from_soc directory within 10 minutes.
    • cd to the home/solsoc/from_soc and wait for the .CRR to appear. It will have the same filename as the submitted IORG file, but with a .CRR extension.
    • Once the file has arrived, log out of the server.
    • Copy the .CRR file to your local machine by typing: scp <username>@147.86.8.26:/home/solsoc/from_soc/<IORG filename> /local/folder/ where /local/folder/ is the location on your local machine where the file should be copied.
    • Unzip the .CRR and open it with a text editor.
    • Search for the <validity> tag and confirm the message says "Valid".
      • If the .CRR file reports "Valid", then we are done!
      • If it is not valid, more details of the errors will be listed. Create a new version of the IOR (remembering to iterate the version number) that fixes those errors and resubmit.

5 Including a Data Request in an IOR

See How to Create a Data Request IOR

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