installation doc modifications

docs/source/installation.rst

@@ -30,57 +30,47 @@ parameter when executing `xfel-calibrate`.
 .. _SLURM: https://slurm.schedmd.com
 .. _PyDetLib: https://in.xfel.eu/readthedocs/docs/pydetlib/en/latest/
 
-Installing using Karabo
------------------------
+Installing using Anaconda
+---------------------------
 
-If you are installing into a Karabo environment make sure it is enabled
-by sourcing the activate file in the Karabo path::
+First you need to load the anaconda/3 environment through::
 
-    source karabo/activate
-    
-For other python enviroments, this step can be skipped. The package for the offline
-calibration can be obtained from the git repository::
+    1. module load anaconda/3 
 
-    git clone https://git.xfel.eu/gitlab/detectors/pycalibration.git
+If installing into other python enviroments, this step can be skipped. 
 
-You can then install all prerequisites and this tool chain by running::
+Then the package for the offline calibration can be obtained from the git repository::
 
-    pip install -r requirements.txt .
-    
-in pycalibration's root directory. 
-After installation, you should adjust the :ref:`configuration` and settings in the folder
-xfel-calibrate to match your environment.
+    2. git clone https://git.xfel.eu/gitlab/detectors/pycalibration.git
 
-The tool-chain is then available via the::
+Home directory
+++++++++++++++
 
-    xfel-calibrate
-    
-command.
+You can then install all requirements of this tool chain in your home directory by running::
 
-Installing using Anaconda/3 in home directory
----------------------------------------------
+    3. pip install -r requirements.txt . --user
 
-If you are installing into anaconda environment make sure it is enabled
-by sourcing the activate file::
+in pycalibration's root directory.
 
-    module load anaconda/3 
+After installation, you should make sure that the home directory is in the PATH environment variable::
 
-For other python enviroments, this step can be skipped. The package for the offline
-calibration can be obtained from the git repository::
+    4. PATH=/home/<username>/.local/bin:$PATH
 
-    git clone https://git.xfel.eu/gitlab/detectors/pycalibration.git
+Preferred directory
++++++++++++++++++++
 
-You can then install all requirements of this tool chain in your home directory by running::
+Alternatively, you can install all requirements in a directory of your preference by::
 
-    pip install -r requirements.txt . --user
+    3. mkdir /gpfs/exfel/data/scratch/<username>/<directory-name>
+       pip install --target=/gpfs/exfel/data/scratch/<username>/<directory-name> -r requirements.txt .
 
-in pycalibration's root directory.
-After installation, you should make sure the home directory is in the PATH environment variable::
+and it is important to make sure that installed requirements is in the PATH environment::
+
+    4. PATH=/gpfs/exfel/data/scratch/<username>/<directory-name>/bin:$PATH
 
-    PATH=~/.local/bin:$PATH
 
-and adjust the :ref:`configuration` and settings in the folder
-xfel-calibrate to match your environment.
+After this make sure to adjust the :ref:`configuration` and settings in the xfel-calibrate
+folder to match your environment.
 
 The tool-chain is then available via the::
 
@@ -88,38 +78,18 @@ The tool-chain is then available via the::
     
 command.
 
-Installing using Anaconda/3 in preferred directory
---------------------------------------------------
-
-If you are installing into anaconda environment make sure it is enabled
-by sourcing the activate file::
 
-    module load anaconda/3 
+Install into karabo
++++++++++++++++++++
 
-For other python enviroments, this step can be skipped. The package for the offline
-calibration can be obtained from the git repository::
+If required, one can install into karabo environment. The difference would be to 
+first source activate the karabo envrionment::
 
-    git clone https://git.xfel.eu/gitlab/detectors/pycalibration.git
-
-You can then install all requirements of this tool chain in your preferred directory by running::
-
-    pip install --target=~/myscratch/directory -r requirements.txt .
-
-in pycalibration's root directory.
-After installation, you should make sure the your preferred directory is in the PATH environment variable::
-
-    PATH=~/myscratch/directory/bin:$PATH
-
-and adjust the :ref:`configuration` and settings in the folder
-xfel-calibrate to match your environment.
-
-The tool-chain is then available via the::
-
-    xfel-calibrate
-    
-command.
+    1. source karabo/activate
 
+then after cloning the offline calibration package from git, the requirements can be installed through::
 
+    3. pip install -r requirements.txt .
 
 Development Installation
 ------------------------
@@ -129,7 +99,6 @@ first install the dependencies as above, but then install the tool-chain
 separately in development mode::
 
    pip install -e .
-   
 
 
 Installation of New Notebooks