add_postprocess, g1, SUM, :all,
add_field_variable, f1, GET, :g1, *temperature, ON

NumberOfGeom, 1

Geom_file, -
Geom_shape, SET, BOX, $f1, 0.0, 0.0, 9999.0e+10, 1.0, 1.0,
Geom_pressure, SET, CONST, 1.0, 0.0

