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This document outlines the methodology for conducting a multi-point Zero Visual Impact (ZVI) analysis using digital height data and contour ground models. It includes steps for specifying analysis points, running the analysis, and generating a visibility model file, along with an elevation analysis visibility map. The process aims to assess landscape visual impacts effectively and provides a framework for environmental assessments in various projects.
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The ZVI Process Key TERRA-FIRMA
Multi-Point ZVI Analysis Digital height data – Contours Ground Model File - .KGM Specify analysis points Run analysis Visibility Model File - .KGM Elevation Analysis Visibility Map