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SPEX install files can be downloaded from our Zenodo page.
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We provide several options for installing SPEX. They all have their own install file:
Download type | Linux | Mac OS |
---|---|---|
Binary (Administrator) | SPEX-3.05.00-MacOS.dmg | |
Binary (Non-Administrator) | SPEX-3.05.00-Linux-x86_64.tar.gz | SPEX-3.05.00-MacOS.tar.gz |
Windows 10 | spex-3.05.00-Linux-gfortran.tar.gz | |
Source code | SPEX-3.05.00-Source.tar.bz2 | |
Docker image | SPEX-3.05.00-docker.tar.gz |
- Download the DMG file from Zenodo (SPEX-3.05.00-MacOS.dmg), open it in Mac OS and follow the instructions on the screen.
- For RHESSI data analysis, include the hessi, spex, and xray analysis packages. Perl is already installed in OS X at /usr/bin/perl. The form will generate a script that can be found in the Downloads directory.
Linux
- Unpack the tar file in the destination directory (for example /usr/local/):
tar xvfz spex-3.05.00-Linux-x86_64.tar.gz
The tar file will create a directory called SPEX-3.05.00-Linux in which the program will be installed. - Set the environment variable SPEX90 to the installation directory (for example /usr/local/SPEX-3.05.00-Linux):
- Source the script provided by the distribution:
- Remove the tar file: rm SPEX-3.05.00-Linux-x86_64.tar.gz
Mac OS
Administrator install
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If you have administrator rights on your Mac, this option is the easiest one. Download the DMG file from Zenodo (SPEX-3.05.00-MacOS.dmg), open it in Mac OS and follow the instructions on the screen.
Non-administrator install
- Unpack the tar file in the destination directory (for example /usr/local/):
tar xvfz spex-3.05.00-MacOS.tar.gz
The tar file will create a directory called SPEX-3.05.00-MacOS in which the program will be installed. - Set the environment variable SPEX90 to the installation directory (for example /usr/local/SPEX-3.05.00-MacOS):
- Source the script provided by the distribution:
- Remove the tar file: rm SPEX-3.05.00-MacOS.tar.gz
Windows 10
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SPEX can be installed in Windows 10 using the new linux subsystem in Windows. SPEX can run in an Ubuntu Linux environment that can be installed through the Microsoft Store.
In addition to the Ubuntu terminal, you also need a graphical X server. We recommend the XMING server. This will make sure that you can plot in SPEX.
Install SPEX in the Ubuntu environment
- On the Ubuntu terminal, first install the OpenBlas library: apt-get install libopenblas-base
- Download spex-3.05.00-Linux-gfortran.tar.gz from our FTP server. This file is not (yet) available on Zenodo.
- Unpack the tar file in the destination directory (for example /usr/local/):
tar xvfz spex-3.05.00-Linux-gfortran.tar.gz
The tar file will create a directory called SPEX-3.05.00-Linux in which the program will be installed. - Set the environment variable SPEX90 to the installation directory (for example /usr/local/SPEX-3.05.00-Linux):
- Source the script provided by the distribution:
- Remove the tar file: rm SPEX-3.05.00-Linux-gfortran.tar.gz
Source code
Table of Contents:
- Getting started
- Library dependencies
- MacOS instructions
- General compilation instructions
- Optional features
- Create install packages
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Getting started
The SPEX source code can be compiled using the multi-platformCmake build system. See http://www.cmake.org/ for more informationand downloads, or check the package manager of your Linuxdistribution. The SPEX install needs CMake version 3.0 or higher.
Since SPEX is programmed mostly in Fortran 90, it is recommendedto use a recent Fortran compiler. SPEX has been tested withGFortran (version 4 and above) and the Intel Fortran Compiler.
This Zenodo contains a tar.bz2 file containing the source codeof SPEX: spex-3.05.00-Source.tar.bz2. Unpack it in a convenientdirectory:
Library dependencies
SPEX depends on a few external libraries to function. For some ofthose, the library source code has been included in the SPEX sourcecode package. By default, CMake will look for system libraries tolink to. If they are not there, then the version in the sourcepackage will be used.
The following libraries and packages are required to compile SPEX:
- CMake
- X11
- Readline
- CFITSIO (*)
- BLAS (*)
- LAPACK (*)
- PGPLOT (*)
(*) The SPEX source tree also contains the library if necessary.
All these libraries are commonly available in Linux distributions,so please read the documentation of your distribution to find outhow to install these libraries. Please note that some distributionsrequire you to also install the 'development' package of a libraryto be able to use them during compilation. In the Debian repository,for example, the development package of readline is called'libreadline-dev'.
Below, we list some library-specific comments that can be helpful incase of problems.
Readline
Note for Mac OSX users: The OSX readline library is NOT compatiblewith the GNU readline library. You need to compile your own readlinelibrary from source or find a GNU readline library elsewhere on yoursystem to link to. Compilation may work in, for example, a MacPortsenvironment, although this has not been tested. The official Macversion of SPEX statically links to a compiled version of readlinedownloaded from:
CFITSIO
The SPEX source tree contains an old fortran version of fitsio, whichis sufficient for the vast majority of applications. However, inexceptional cases, the old library cannot handle very large fitsfiles. In those cases, it is better to link to a system CFITSIOlibrary.
BLAS and LAPACK
Some of the SPEX models depend heavily on the BLAS and LAPACK linearalgebra packages. The default routines are available in the SPEX sourcetree, but compiling those will not provide the best performance. Theperformance improves substantially if an optimized BLAS or LAPACKlibrary is used. There are two tested options:
- Intel Math Kernel Library (MKL)
- OpenBLAS
When compiling with the Intel Fortran compiler, using MKL is quiteobvious. To link the MKL library, add the following option to thecmake command:
If MKL is not set, cmake will look for other options, like OpenBLAS,if they are installed on your machine. If nothing is found, thenon-optimized code in the SPEX source tree is used. On Mac, CMakecould find the MacOS Accelerator framework.
MacOS instructions
The compilation of SPEX on MacOS is slightly more demanding. SPEX canrun natively on MacOS (without ports), but then it needs a fewpre-installed programs:
- Xcode (Through the App store)
- GNU readlineCompile and install readline with 'clang' and install in /usr/local.
- Fortran compiler. For example GCC/GFORTRAN.
General Compilation Instructions
When all library dependencies are installed, the compilation processcan begin. Execute cmake in the root directory of the SPEX source tree,where CMakeLists.txt is located (mind the dot):
If no errors occured and all libraries were found, then type 'make':
When the program needs to be installed system wide, then execute:
The program will be installed to /opt/spex by default. Usually,administrator rights are necessary to copy the files to the rightlocation.
Before you can run SPEX, the environment needs to be set. This can be done with the source command:
In case you used another prefix for the SPEX installation directory, you can find spexdist.sh or spexdist.csh in the prefix directory that you set. To load the SPEX environment automatically, add the relevant source line to your ~/.cshrc or ~/.bashrc file.
Optional features
There are several options that can be passed to CMake to influencethe build process through the -D operator. Of course, all optionscan be combined in a single cmake call. See the cmake documentationand the CMakeLists.txt file for details.
Compiler selection
Select a different fortran compiler:
Install prefix
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Install SPEX at a different location in the 'make install' step:
Force use of SPEX libraries
The use of the SPEX libraries in the source tree can be forced:
The command above will compile these libraries from the SPEX source tree.See the CMakeLists.txt file for more options.
Docker
SPEX is written mostly in Fortran 90 and depends on a few system libraries. This makes it difficult to provide a few binary versions that will continue to run on multiple platforms over many years. Therefore, we have also created a Docker image for SPEX that can be run on the Docker platform, which is available for Linux, Mac OS and Windows.
Step 1: Download and install Docker on your computer
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To run a Docker image, please install Docker on your computer. See the Docker website for details and look for the Docker Engine community edition. Once you have downloaded and installed Docker, you can continue with this tutorial.
Step 2: Download the SPEX docker image from Zenodo
The SPEX Docker image is available on this Zenodo page as a tar.gz file. Please download the file called spex-[version]-docker.tar.gz, for example:
Step 3: Import the SPEX image into Docker
Before you can run the docker file, it should be imported into the docker system. This can be done on the command line:
The image will be named spexxray/spex with the tag 3.05.00 and can be found with the command:
Step 4: Run SPEX on Docker
Using the docker run
command, the image can be executed and SPEX can be run in a so-called container. To enjoy all the capabilities of SPEX, two things need to be arranged in the docker run
command: access to local directories and a graphical X11 connection. To arrange this, additional flags need to be specified on the command line.
Mounting local directories to the container
If you would like to mount your own home directory into the SPEX container such that you can use some spo and res files there or save the output files, then you need the following flags:
The first flag arranges that the user in the container will have the same user ID as you. This will allow you to read and write to your home directory from within the container.
The second flag arranges that your true local home directory called /home/myusername
is mounted to /home/user
inside the SPEX container.
MAC users: Please note that on OSX your home directory is in /Users/myusername
.
Arranging the X11 connection
To make sure PGPLOT can connect to the X11 server on the host, we need to make a few connections from the container to the host machine. This is done with the following flags:
The first flag sets the DISPLAY variable inside the container to the DISPLAY variable of the host machine. The second flag mounts the X11 temporary directory of the host to the same directory inside the container.
MAC users: To use X11 on Mac, you need to install XQuartz (or a similar X11 server) and set it to 'Allow connections from network clients' in the XQuartz settings. In addition, the X server should be set to allow incoming connections from localhost on the command line:
Then the DISPLAY variable on the docker run
line should be set to host.docker.internal:0
The complete docker run command
The full run commands for docker now look like below, where -w
means that thecontainer will start in working directory /home/user
.
For Linux:
For Mac:
The docker run
command above will provide you with a prompt that will allow you to run spex:
In this environment, you can just run spex
or trafo
:
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