( ( Although ( surveyors ( are ( accustomed ( to ( interpreting ( ( the shape ) ( of ( ( the Earth ) ( using ( contour plans ) ) ) ) ) ) ) ) ) ) ) ( , ( ( the ( general community ) ) ( ( is ( more ( familiar ( with ( ( perspective views ) ( that ( ( show ( three-dimensional objects ) ) ( as ( they appear ) ) ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN Although) (S (NP (NNS surveyors)) (VP (VBP are) (ADJP (JJ accustomed) (PP (TO to) (S (VP (VBG interpreting) (NP (NP (DT the) (NN shape)) (PP (IN of) (NP (NP (DT the) (NN Earth)) (VP (VBG using) (NP (NN contour) (NNS plans))))))))))))) (, ,) (NP (DT the) (JJ general) (NN community)) (VP (VBZ is) (ADJP (RBR more) (JJ familiar) (PP (IN with) (NP (NP (NN perspective) (NNS views)) (SBAR (WHNP (WDT that)) (S (VP (VBP show) (NP (JJ three-dimensional) (NNS objects)) (SBAR (IN as) (S (NP (PRP they)) (VP (VBP appear))))))))))) (. .)))
Although surveyors are accustomed to interpreting the shape of the Earth using contour plans, the general community is more familiar with perspective views that show three-dimensional objects as they appear.
(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))))) (. .)))