This is a simple measured geometry file
particle coordinates
7
101 0.00000E+00 0.00000E+00 0.00000E+00
102 1.00000E+00 0.00000E+00 0.00000E+00
103 1.00000E+00 1.00000E+00 0.00000E+00
104 0.00000E+00 1.00000E+00 0.00000E+00
205 5.00000E-01 0.00000E+00 2.00000E+00
206 5.00000E-01 1.00000E+00 2.00000E+00
307 0.00000E+00 0.00000E+00-1.50000E+00
