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Drawing Cross-Sections & Calculating vertical Exaggeration. 17 November 2014. A. B. 100. 50. 10. 100. 50. 10. piece of paper. piece of paper. A. B. 100. 50. 10. 100. 50. 10. Line up your piece of paper with a graph grid with 2 vertical axes.
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Drawing Cross-Sections & Calculating vertical Exaggeration 17 November 2014
A B 100 50 10 100 50 10 piece of paper
piece of paper A B 100 50 10 100 50 10 • Line up your piece of paper with a graph grid with 2 vertical axes. • The x-axis should be the same length as your outermost marks on you piece of paper • Draw the cross-section by writing the marks on the grid at the heights from the map. • Draw the line freehand that joins up the dots. x 120 x x x x x x x x x x x x 0 x
From: Survey point 258677 To The lake at 277629 From River source 136646 To Survey Point 157698 Draw these cross sections from the Perisher Valley 1:25000 Topographic Map
Calculating Vertical Exaggeration • See page 24 of your Atlas Workbook for a good explanation of this. Vertical Exaggeration (VE) = Vertical Scale (VS) ÷ Horizontal Scale (HS) Remember that your units of measurement must be the same 1cm:100m on a map must be changed to 1cm:10,000cm for the calculation.