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chaithyagr/pysap_wsl.md

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Install pysap for Windows using WSL (with sparse2d)
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pysap_wsl.md

  1. Go to Powershell. In most recent windows, the WSL (Windows subsystem for Linux) is usually pre installed. If not, update the Windows and make sure you have Windows 10 or higher.

  2. Intall: wsl --install -d Ubuntu-18.04

    • Note that you have to decide a unix username and pasword

  3. AT the end of this you should have a working WSL for Ubuntu-18.04. Now do the following steps on this WSL (This is kinda similar to here:

    1. Once inside, download and install Miniconda3 : 
       wget https://repo.anaconda.com/miniconda/Miniconda3-4.7.12-Linux-x86_64.sh
 bash Miniconda3-4.7.12-Linux-x86_64.sh
      Follow through the instructions (mostly yes, and install path etc.). This can also be looked up on google.
    2. Update the package lists : sudo apt update
    3. Install core required libraries: sudo apt install ubuntu-desktop gnome-panel gnome-settings-daemon metacity nautilus gnome-terminal gnome-core libxcursor-dev alsa libegl1-mesa libegl1 cmake build-essential (This will take time, say yes for a prompt in between)
    4. Source bashrc to take up latest changes: source ~/.bashrc
    5. Install spyder: conda install matplotlib spyder scipy (This will also take some time)
    6. Install libnfft3: sudo apt install libnfft3-dev
    7. Upgrade pip : pip install --upgrade pip
    8. Install pysap and plugins: pip install python-pysap pynfft2 pyqt5==5.12 pyqtwebengine==5.12
    9. Update the bash file to have display setup. For this, in file ~/.bashrc add the following lines at the end: 
      DISPLAY=:0
export DISPLAY
LIBGL_ALWAYS_INDIRECT=1
export LIBGL_ALWAYS_INDIRECT
    10. Again source bashrc: source ~/.bashrc

  4. Back on windows:

    • Download and install VncXsrv
    • Start VncXsrv and in settings on first page, ensure Display is 0. Rest of settings can be default.

  5. You should ideally be ready. Run dbus-launch gnome-terminal on Ubuntu. You should get a terminal from ubuntu. On this, you can launch spyder to get an IDE. By default, the base environment now should hold python-pysap

@OlivierMesnil
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pip install pyqt5==5.12 pyqtwebengine==5.12
(insert below Install spyder: conda install matplotlib spyder scipy)

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