wsclean使用¶
WSClean 是w-stack clean的缩写，为w投影算法的一种方法，这种方法在对uv数据做FFT之后在进行w项的校正，速度较快。
当前广泛用于LOFAR，MWA等宽视场阵列的数据处理中。
使用方法如下：
$ module use /home/app/modulefiles/
$ module use /home/software/modulefiles
$ module avail
备注
此时应该可以看到wsclean的各个版本
--------------------------------------------------------------------------------------- /home/app/modulefiles ----------------------------------------------------------------------------------------
aegean/cpu-2.2.3-py3 cmake/cpu-3.15.2 glib/arm-2.49.1 mpfr/cpu-2.4.2 python/cpu-2.7.14
aoflagger/cpu-master cmake/cpu-3.8.2 glib/cpu-2.49.1 mpich/arm-3.2.1-gcc-7.3.0 python/cpu-2.7.14-gcc-4.9.3
askappipeline/cpu-1.0.9-mpich-3.2.1 cuda/10.1 glib/cpu-2.49.1-gcc-4.9.3 mpich/cpu-3.2.1-gcc-4.8.5 python/cpu-2.7.14-gcc-7.3.0
askapsoft/cpu-0.24.0-mpich-3.2.1 cuda/10.2 glib/cpu-2.59.0 mpich/cpu-3.2.1-gcc-4.9.3 python/cpu-2.7.14-presto-acc
askapsoft/cpu-1.0.19-mpich-3.2.1 cuda/11.0 glog/cpu-0.3.3-gcc-4.8.5 mpich/cpu-3.2.1-gcc-7.3.0 python/cpu-2.7.14-virtualenv
askapsoft/cpu-1.0.2-mpich-3.2.1 cuda/9.0 gmp/cpu-4.3.2 numpy/arm-1.16.4 python/cpu-3.6.5
askapsoft/cpu-cloud-dingo destroy/cpu-master gsl/arm-2.6-gcc-7.3.0 openblas/arm-0.3.6-gcc-7.3.0 python/cpu-3.7.4
askapsoft/cpu-cloud-dingo-jacal-master difx/2.6.1-x86 gsl/cpu-1.16-gcc-4.9.3 openblas/cpu-0.3.6-gcc-4.8.5 python/cpu-3.7.4-presto-opt
askapsoft/cpu-cloud-dingo-mpich-3.2.1 doxygen/arm-1.8.17-gcc-7.3.0 gsl/cpu-1.16-gcc-7.3.0 openblas/cpu-0.3.6-gcc-4.9.3 python/gpu-2.7.14
boost/arm-1.65.1 doxygen/cpu-1.8.17-gcc-7.3.0 gsl/cpu-2.0-gcc-7.3.0 openblas/cpu-0.3.6-gcc-7.3.0 ruby/cpu-2.7.0-gcc-4.8.5
boost/cpu-1.65.1 ds9/centos7-v8.0 gsl/cpu-2.6-gcc-7.3.0 openmpi/arm-4.0.1 sextractor/cpu-2.25.0-gcc-4.8.5
boost/cpu-1.65.1-gcc-4.9.3 ds9/centos7-v8.2 hdf5/arm-1.10.4 openmpi/cpu-2.0.2 sigproc/cpu-master
boost/cpu-1.65.1-gcc-7.3.0 ds9/centos7-v8.3 hdf5/cpu-1.10.4 openmpi/cpu-4.0.1 svn/arm-1.12.2
boost/cpu-1.73.0-gcc-7.3.0 dspsr/cpu-2020-01-10-gcc-4.8.5 hdf5/cpu-1.10.4-gcc-4.9.3 oskar/cpu-2.8.0 tempo/cpu-master
boost/cpu-py3.6.5-1.65.1 Duchamp/cpu-1.6.2-gcc-4.8.5 hdf5/cpu-1.10.4-gcc-7.3.0 pgplot/arm-5.2 tempo2/cpu-master
casa/4.5.3-el6 epsic/cpu-master-gcc-4.8.5 hdf5/cpu-1.12.0-mpicc pgplot/cpu-5.2 tempo2/cpu-psrchive
casa/4.6.0-el6 fftw/arm-3.3.8 hdf5/cpu-1.12.0-openmpi pgplot/cpu-5.2-gcc-4.9.3 tmux/cpu-v3.2a
casa/4.7.2-el6 fftw/cpu-3.3.8 healpix/healpix_c-3.70-gcc-4.8.5 pgplot/gpu-5.2 topcat/v4.6-2
casa/5.0.0-218.el6 fftw/cpu-3.3.8-gcc-4.9.3 healpix/healpix_cxx-3.11.3-gcc-4.8.5 presto/arm-master-opt topcat/v4.8
casa/6.1.0-118 fftw/cpu-3.3.8-gcc-7.3.0 isl/cpu-0.12.2 presto/cpu-master vcstools/cpu-master
casacore/cpu-3.0.0-gcc-4.9.3 fiji/cpu isl/cpu-0.14 presto/cpu-master-new vcstools/devel
casacore/cpu-3.3.0-gcc-7.3.0 gcc/arm-7.3.0 lapack/arm-3.8.0 presto/cpu-master-opt vcstools/master
casacore/cpu-py3.6.5-3.1.0 gcc/arm-8.3.0 lapack/cpu-3.8.0 presto/gpu-master wcslib/arm-6.2
cfitsio/arm-3450 gcc/arm-9.3.0 lapack/cpu-3.8.0-gcc-7.3.0 protobuf/cpu-3.0.0-alpha-4.1-gcc-4.8.5 wcslib/cpu-6.2
cfitsio/cpu-3450 gcc/cpu-4.9.3 lapack/cpu-py3.6.5-3.8.0 psrchive/cpu-2020-01-10-gcc-4.8.5 wcslib/cpu-6.2-gcc-4.9.3
cfitsio/cpu-3450-gcc-4.9.3 gcc/cpu-5.3.0 libgeos/cpu-3.10.0-gcc-4.8.5 psrdata/cpu-master-gcc-4.8.5 wcslib/cpu-7.2-gcc-7.3.0
cfitsio/cpu-348-gcc-7.3.0 gcc/cpu-7.3.0 libpng/cpu-1.2.59-gcc-4.8.5 python/arm-2.7.14 wsclean/cpu-2.9-gcc-7.3.0
cfitsio/cpu-349-gcc-4.8.5 gcc/cpu-8.3.0 libpng/cpu-1.6.37-gcc-4.8.5 python/arm-3.6.5 zfp/cpu-0.5.5-gcc-4.8.5
chgcentre/cpu-1.6-gcc-7.3.0 gcc/cpu-9.3.0 lmdb/cpu-master-gcc-4.8.5 python/arm-3.7.4-gcc-7.3.0 zlib/cpu-1.2.9-gcc-4.8.5
cmake/arm-3.15.2 gflags/cpu-master-gcc-4.8.5 mpc/cpu-0.8.1 python/arm-3.7.4-presto-opt
------------------------------------------------------------------------ /home/share/spack/modules/arm/linux-centos7-aarch64 -------------------------------------------------------------------------
bowtie2/2.3.5.1-gcc-4.8.5 gcc/8.3.0-gcc-4.8.5 libfabric/1.6.1-gcc-8.3.0 openmpi/4.0.1-gcc-8.3.0 perl/5.30.0-gcc-4.8.5
cmake/3.15.1-gcc-4.8.5 gcc/9.2.0-gcc-4.8.5 openblas/0.3.6-gcc-8.3.0 perl/5.26.2-gcc-4.8.5 perl/5.30.0-gcc-8.3.0
cmake/3.9.6-gcc-8.3.0 htop/2.2.0-gcc-8.3.0 openmpi/2.1.6-gcc-4.8.5 perl/5.26.2-gcc-8.3.0 perl/5.30.0-gcc-9.2.0
$ module load wsclean/cpu-3.0-gcc-7.3.0
$ wsclean --version
WSClean version 3.0 (2021-08-26)
This software package is released under the GPL version 3.
Author: André Offringa (offringa@gmail.com).
WGridder is available.
与casa的配合使用¶
在与casa联合使用的过程中，会涉及到环境变量的冲突问题， 具体使用方法如下：
$ module load casa/6.4.1-12
$ module load wsclean/cpu-3.0-gcc-7.3.0
# CASA include Python environment, you can remove the old version to ensure that it is Python3
$ module unload python/cpu-2.7.14-gcc-7.3.0
$ module list
Currently Loaded Modulefiles:
1) /casa/6.4.1-12 7) /pgplot/cpu-5.2
2) /hdf5/cpu-1.10.4-gcc-7.3.0 8) /wcslib/cpu-7.2-gcc-7.3.0
3) /fftw/cpu-3.3.8-gcc-7.3.0 9) /cfitsio/cpu-348-gcc-7.3.0
4) /boost/cpu-1.65.1-gcc-7.3.0 10) /casacore/cpu-3.3.0-gcc-7.3.0
5) /gcc/cpu-7.3.0 11) /wsclean/cpu-3.0-gcc-7.3.0
6) /lapack/cpu-3.8.0-gcc-7.3.0
$ wsclean --version
WSClean version 3.0 (2021-08-26)
This software package is released under the GPL version 3.
Author: André Offringa (offringa@gmail.com).
WGridder is available.
$ casa
optional configuration file config.py not found, continuing CASA startup without it
IPython 7.15.0 -- An enhanced Interactive Python.
Using matplotlib backend: TkAgg
Telemetry initialized. Telemetry will send anonymized usage statistics to NRAO.
You can disable telemetry by adding the following line to the config.py file in your rcdir (e.g. ~/.casa/config.py):
telemetry_enabled = False
--> CrashReporter initialized.
CASA 6.4.1.12 -- Common Astronomy Software Applications [6.4.1.12]
CASA <1>:
$ python3 --version
Python 3.6.7