DOC: Update version 6.4.0

Courses/org/InstallGuide/install-en.tex

@@ -50,13 +50,13 @@ Install a minimal command line environment for Windows. For instance, Git for Wi
 To install OTB and Monteverdi, download the appropriate package for your architecture (32 or 64 bits). If you have a 32 bit machine:
 
 \begin{verbatim}
-OTB-6.2.0-rc1-Win32.zip
+OTB-6.4.0-Win32.zip
 \end{verbatim}
 
 If you have a 64 bit machine:
 
 \begin{verbatim}
-OTB-6.2.0-rc1-Win64.zip
+OTB-6.4.0-Win64.zip
 \end{verbatim}
 
 These files are available at:
@@ -80,7 +80,7 @@ $\rightarrow$ "OTB-Applications browser".
 (see figure \ref{fig:windows-mapla}).
 
 \item Go to the \texttt{bin} folder in the OTB install directory and double-click on the \texttt{.bat} file corresponding to the application to be run, for instance:\\
-\texttt{John{\textbackslash}install{\textbackslash}OTB-6.2.0-rc1-win32{\textbackslash}bin{\textbackslash}otbgui\_Rescale.bat}
+\texttt{John{\textbackslash}install{\textbackslash}OTB-6.4.0-win32{\textbackslash}bin{\textbackslash}otbgui\_Rescale.bat}
 (see figure \ref{fig:windows-otbgui}).
 
 \end{enumerate}
@@ -159,15 +159,15 @@ Download the self-extracting binary for Linux (64 bits), available at:
 
 The self-extracting binary will extract itself in the current directory. First, the archive has to be made executable, and then it can be run:
 \begin{verbatim}
-chmod +x OTB-6.2.0-rc1-Linux64.run
-./OTB-6.2.0-rc1-Linux64.run
+chmod +x OTB-6.4.0-Linux64.run
+./OTB-6.4.0-Linux64.run
 \end{verbatim}
 
 The executable binaries will be inside the 'bin' directory, and you can put this directory in your PATH variable if you want to. 
 
 There are also scripts which set all the environment variables to allow to run Monteverdi and Mapla:
 \begin{verbatim}
-cd OTB-6.2.0-rc1-Linux64
+cd OTB-6.4.0-Linux64
 ./monteverdi.sh
 ./mapla.sh
 \end{verbatim}
@@ -194,7 +194,7 @@ $\rightarrow$ "OTB-Applications browser".
 The software can also be installed on Mac OS X.
 
 First install QGIS using the instructions for Mac OS X on the official site. To install OTB and  Monteverdi download 
-OTB-6.2.0-rc1-Darwin64.run from \url{https://www.orfeo-toolbox.org/download/}.
+OTB-6.4.0-Darwin64.run from \url{https://www.orfeo-toolbox.org/download/}.
 
 This is a self-extracting binary which extracts itself in the current directory. Testing the installation is done like in the Linux case.
 
@@ -225,8 +225,10 @@ Notes:
 \subsection{Test}
 In order to test the Python OTB dependencies, try:
 \begin{enumerate}
-\item Launch the python console (Linux: ./python ; Windows: python.exe)
-\item Try: import numpy
-\item Try: import otbApplication
-If no error message is printed, everything is fine. If not, check the Python version (2.7 or 3.5), and the PATH and PYTHONPATH variables.
+\item Load the environment variables (Linux : sourcing the otb.profile; Windows: executing otbenv.bat) 
+\item Launch the python console (Linux: execute python ; Windows: python.exe)
+\item Execute in the python console : import numpy
+\item Execute in the python console : import otbApplication
+\end{enumerate}
+If no error message is printed after the import commands, everything is fine. If not, check the Python version (2.7 or 3.5), and the PATH,OTB_APPLICATION_PATH and PYTHONPATH variables.
 \end{document}