(r13) SchoolPractices < Jmmc/VltiSchool2018

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Visibility Models and UV coverage (PDF instructions)

tutorial files are :
- on the VM in /home/vlti/practices/PreparationTools/ directories
- or online

Aspro visibility models, obervability & calibrators

PDF instructions
Use Beta version for User Models exercise

Practical model fitting

PDF instructions
tutorial files are :
- on the VM in /home/vlti/data/ directories
- or online

Practical image reconstruction

PDF Instructions

Gravity pipeline

PDF Instructions
tutorial files are :
- on the VM in /home/vlti/practives/Gravity directories
- or online

OIFits Hands-On

Open the oifitsdemo notebook in the browser after running following command : cd practices/gravity ; ipython3 notebook

Virtual Machine installation

Please download both files (or ask Guillaume for the usb pen) :

disk image (3.6 GBytes)
image descriptor

...then click on the image descriptor icon to create the machine with virtual box. Remove If creation succeeded

the default vlti account has no password

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Practice session material will be installed on a virtual machine to get ready on site. The virtual machine requires that you install virtualbox on your machine.
    please visit  https://www.virtualbox.org/ to download and install the software on your machine
    please verify that you have enough available disk space (~ 20GB)

The setup and installation of the dedicated virtual machine image will be proceed  through following steps:
    Please check that you've got enough disk size (~ 20GB). Your PC must have at least 8Gb of RAM. Your PC must have the VT-x option activated in the BIOS
    Install virtualbox https://www.virtualbox.org/wiki/Downloads (you may get an old version for old OS)
    Use usbstick or Download the virtual machine archive  ( url provided on site in a second step )
    Extract files on a temporary directory on your hardrive 
    Run  virtualbox and launch FIle->Import a virtual device / Fichier->Importer un appareil virtuel
    Select the OVF file you have downloaded from the temporary directory
    Check/validate and apply next for given settings. The import may take a few minutes, just be patient.
    Double click on the new machine icon
    You can delete the temporary directory of downloaded files
    Don't forget to check remove associated file checkbox if you remove the virtual machine

    Virtualbox requires the setting of virtualization on your CPU
    most recent machines have this setup on
    else you need to reboot and enter the bios to enable virtualization capability (VTX or AMD-V)  on more information on the web : https://www.itworld.com/article/2981515/virtualization/virtualbox-diagnose-and-fix-vt-xamd-v-hardware-acceleration-errors.html

    Tips: You can enable copy/paste between your machine and hosted VM : look at Device/Clipboard menu (Périphériques/Presse-papier) 

    Known issues
    old virtualbox 4.XXX on mac do not support screen resizing

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