Visual Impact Assessment Guidebook


Table of Contents


Appendix 7

Sight line plotting instructions and presentation criteria

Sight lines

Figure A7.1 Plotting a sight line.

Making topographic sections from a contour map. (a) Draw line of section on map from viewpoint across the relevant part of the terrain. Project lines at right angles from where the line of section cuts the contour to the corresponding heights on the sectional drawing above. (b) Connect the points on the section and draw line(s) of sight from the viewpoint. (c) Illustrate tree heights at appropriate age intervals as required.

 

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