( ( Because ( it ( ( is essentially ) ( ( a ( topographical map ) ) ( that ( has ( been digitized ) ) ) ) ) ) ) ( , ( ( the ( three-dimensional simulation ) ) ( also ( ( shows ( ( the ( precise contours ) ) ( of ( ( the land ) ( in relief ) ) ) ) ) . ) ) ) ) )
(ROOT (S (SBAR (IN Because) (S (NP (PRP it)) (VP (VBZ is) (ADVP (RB essentially)) (NP (NP (DT a) (JJ topographical) (NN map)) (SBAR (WHNP (WDT that)) (S (VP (VBZ has) (VP (VBN been) (VP (VBN digitized)))))))))) (, ,) (NP (DT the) (JJ three-dimensional) (NN simulation)) (ADVP (RB also)) (VP (VBZ shows) (NP (NP (DT the) (JJ precise) (NNS contours)) (PP (IN of) (NP (NP (DT the) (NN land)) (PP (IN in) (NP (NN relief))))))) (. .)))
Because it is essentially a topographical map that has been digitized, the three-dimensional simulation also shows the precise contours of the land in relief.
(ROOT (S (NP (NNP Contour) (NNS lines)) (VP (VBP show) (NP (NP (DT the) (JJ three-dimensional) (NN shape)) (PP (IN of) (NP (NN land))))) (. .)))