Test+Problem+Work+Area

=Test Problem Work Area Setup= Test problem pages: Overview, CADAC, Data Access, **Work Area Setup**, Path Setup, Utilities, Grid Data, SPH Data, Running, Reporting

To work on the initial data, e.g. to create files with initial data tailored specifically for your own code you need to setup a work area on **datastar** (login to **dsdirect.sdsc.edu** or **ds011.sdsc.edu** -- logging in to dsdirect takes you to either ds004 or ds011, so in case of problems with one you can choose the other). Your home directory there has only limited space, so you need to setup part of the work space under the **/gpfs-wan** file system, Here's how to do that, including making the data files supplied by us available in (soft linked) subdirectories: code mkdir ~/KITPcompare07 cd ~/KITPcompare07 ln -s /gpfs-wan/projects/cadac/srbVault/aake.cadac/CADAC/KITP07/ICS ICS ln -s /gpfs-wan/projects/cadac/srbVault/aake.cadac/CADAC/KITP07/ICS/cm1000b cm1000b mkdir -p /gpfs-wan/scratch/$user/KITPcompare07/data ln -s /gpfs-wan/scratch/$user/KITPcompare07/data data code For all practical purposes you now have the following directory hierarchy under your home dir on **datastar**: code KITPcompare07               # your work area, with input parameter files etc. KITPcompare07/ICS            # example utility input files that we supply KITPcompare07/ICS/data      # example initial value data hat we supply KITPcompare07/cm1000b       # the original initial value data files KITPcompare07/data          # output directory (on /gpfs-wan) for initial value files that you produce code

Scratch space scrubbing policy
Please note that files under **/gpfs-wan/scratch** (so UNIX files under your **KITPcompare07/data/** subdirectory) are scrubbed regularly by SDSC procedures. So, please make sure to save the files you produce there, either by copying them to your own system, or else by using **Scd+Sput** to put them under your SRB home (the latter is preferred, for reproducibility). Example: code Scd                         # Change current SDR directory to /home/$user.cadac Smkdir KITPcompare07        # make a directory there (if not there already) Scd KITPcompare07           # use that as the current working dir on the SDR side cd ~/KITPcompare07/data     # use the scratch dir as the working dir on the UNIX side Sput -a mydata.dim          # Sput the small .dim file Sput -a mydata.dat          # Sput the large .dat file code

Next step
With the utilities we provide you can create initial data with different resolution and centering by executing binary files (g2g.x, g2s.x, s2g.x) that we provide (they need to be in your UNIX path). Or, you can take a copy of the utility source code and modify it according to your needs (e.g. replacing the I/O routines to get data in your preferred format).