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2.
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Select Landmark > Zone of Visual Influence.
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Represents the view point elevation for the study. For example, 60 inches (152.4 cm) is often used as a standard eye level when standing.
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3.
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Click OK to perform the analysis. Click on the site model to indicate the observation point.
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A light source is automatically inserted, and the layer is rendered to complete the analysis. Dark regions indicate areas that cannot be seen from the specified observation point at that viewing level.
