Xraytrace documentation

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===== Getting started =====

Xraytrace is run from console, using a parameter file as argument. Parameter file is a plain text file with some commands (described in the other sections of this documentation) and with links to other files.


A very minimum set needed for a reasonable calculation is shown here. It consist of three files: parameter file, sample geometry definition file and table of material parameters. You can paste the content below to newly created files or you can {{samples:getting_started.tar.gz|download them}}.

test.par:
<code>
POOL
3e-9 3e-9 3e-9

MEDIUM_VECTOR_SAMPLE
100 100 100 test.vector test.table

COMP
90.4 90 100 0.359e-9

OUTPUT
out.vtk

STRIP_OUTPUT
1

SOURCE_METHOD
1

RAYS
1000000

PHASES
2

YBND
-1 1 20
</code>


test.vector:
<code>
4 50 50 40 20 1
8 0 0 0 100 100 20 2
</code>

test.table:
<code>
0 0 1  0 0 0
1 99 Ag 0 0
2 99 Si 0 0
</code>

Now, run the solver from command line with test.par as an argument.
After a while, you should get the results. Open the file out.vtk in [[http://paraview.org|Paraview]]
and you should see something like this:

 
{{ :started.png?400 |}}

This is nearly all what we can expect - at least for the basic calculation. We get the standing wave distribution within the object and we get a sum of the electric field intensity in each material. Running this for different wavelengths gives us similar information like the experiments.

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