Detector distance (distance from the target center to the detector surface) in mm:
`GEOM.PANEL.DISTANCE = 933.`
###### GPS macro file sp_300keV.mac:
Protons with a gaussian energy distribution centered at 300 keV and a sigma of 34 keV are simulated from a planar circle along the x-axis with an isotropic angular distribution within 0.053 degrees.
`/gps/particle proton`
`/gps/pos/type Plane`
`/gps/pos/shape Circle`
`/gps/pos/radius 0.15 mm`
`/gps/pos/rot1 0 0 1`
`/gps/pos/rot2 0 1 0`
`/gps/pos/centre -8.7 0.0 0.0 cm`
`/gps/ang/type iso`
`/gps/ang/maxtheta 0.053 deg`
`/gps/ene/type Gauss`
`/gps/ene/mono 300 keV`
`/gps/ene/sigma 34 keV`
`/run/beamOn 10`
</details>
<details><summary> GDML
@@ -513,6 +543,8 @@ and the name of the sensitive logical volumes:
`NAME.SENSITIVE.VOLUME.1 = vol1`
###### GPS macro file visGDML.mac:
The macro file opens a VRML2 scene and draws the volumes into a .wrl output files together with the trajectories. The user requires a wrl reader to open and visualize the file.
