Why do we still use spot heights/elevations even though contour lines are already used?
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Why do we still use spot heights/elevations even though contour lines are already used?
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- 1. The accompanying tabulation gives elevations of points over the area 30m by 30m city lot. The following elevations were obtained: ( В POINT ELEVATION A 855 m В 880 m C 868 m 896 m C Determine the following: a) Plot the contours using a scale of 1cm=10m with a contour interval of every 10 meters. All corner designations and corresponding elevations must be indicated, including all vertical and horizontal lines. Indicate the following Index contours: 860, 890. The thickness of the index contours must be drawn about twice the thickness of intermediate contours . b) Compute for the horizontal distances of each contour found between two points. Show your complete solution. -Using multiview, the user can layout drawings in different paper sizes at the same time. True FalseWrite a computational spreadsheet for calculating areas within closed polygon traverses by the coordinate method.
- Given the following isometric drawing, how many faces will be drawn in true sizes and visible in front and (right) side views in a multiview drawing? N30-ft Question 5 The map scale is 1"=40-ft. The distance between two features on the map are scaled to be 4.6 inches. The horizontal distance between the two features equals: O 110-ft O 460-ft 360-ft 184-ft Question 9 What is the contour interval for this map? MacBook A 吕口 F3 F2 O00 F4 F5 F7 11000The following are the methods of plotting contour lines except: template method estimation Analytical method Shading method
- TRUE OR FALSE: Parallel lines in multiview drawing should also appear parallel in isometric drawing. True or false?Use the following Station/Elevation data to draw a profile view: 1- Fill the NGL values in the profile view. 2- Draw NGL using a vertical scale 1:100 and horizontal scale 1:000. 3- Design your FGL as appropriate. 4- Find the values of FGL on each station. Station 0+000 0+020 0+040 0+060 0+080 0+100 0+120 0+140 0+160 0+180 0+200 0+220 0+240 0+260 0+280 0+300 0+320 0+332.5 Elevation 677.52 674.77 673.82 672.22 672.00 670.04 666.58 667.02 667.79 668.58 670.37 673.52 673.89 673.00 671.69 668.55 667.88 667.03Explain 1st and 3rd angle of projection