▁high ▁resolution ▁data ▁captured ▁by ▁the ▁I MA GER ▁ 5 0 0 6 i ▁ 3 D ▁las er ▁sc anner . ▁L FM ▁is ▁used ▁to ▁take ▁the ▁data ▁from ▁the ▁field , ▁through ▁registration ▁and ▁view ing , ▁to ▁delivery ▁to ▁the ▁design ers ▁or ▁operators ▁desktop . ▁ ▁L FM ▁Software ▁Pack ages ▁include : ▁L FM ▁Register , ▁L FM ▁Mod eller , ▁L FM ▁Server , ▁L FM ▁Net View ▁and ▁L FM ▁V iewer / V iewer L ite . ▁ ▁On ▁ 3 ▁October ▁ 2 0 1 1 , ▁A VE VA ▁announced ▁the ▁ac quisition ▁of ▁L FM ▁( Light ▁Form ▁Mod eller ) ▁software ▁division ▁of ▁Z + F ▁UK ▁Limited . ▁ ▁Mark ets ▁ ▁Their ▁phase - based ▁las er ▁sc anning ▁systems ▁were ▁first ▁used ▁in ▁the ▁rail ▁industry ▁in ▁the ▁early ▁to ▁mid ▁ 1 9 9 0 s ▁to ▁capture ▁the ▁detail ▁of ▁rail ▁infrastr ucture ▁and ▁tunnel ▁information ▁for ▁route ▁planning ▁and ▁design ▁work . ▁The ▁use ▁of ▁high ▁speed , ▁phase - based ▁las er ▁measurement ▁enabled ▁the ▁rapid ▁data ▁capture ▁of ▁rail ▁infrastr ucture ▁within ▁a ▁reasonable ▁time ▁period ▁that ▁had ▁previously ▁not ▁been ▁possible . ▁ ▁Since ▁that ▁time ▁the ▁growth ▁of ▁its ▁las er ▁sc anning ▁systems ▁has ▁extended ▁to ▁other ▁mark ets ▁where ▁accurate ▁ 3 D ▁high ▁resolution ▁data ▁is ▁required ▁and ▁car ries ▁significant ▁value . ▁ ▁The ▁use ▁of ▁high - speed ▁las er ▁sc anning ▁within ▁the