Table A8-3 “Terrain attributes” Terrain attribute Mandatory/Optional Area of coverage Mandatory Data originator identifier Mandatory Acquisition method Mandatory Post spacing Mandatory Horizontal reference system Mandatory Horizontal resolution Mandatory Horizontal accuracy Mandatory Horizontal confidence level Mandatory Horizontal position Mandatory Elevation Mandatory Elevation reference Mandatory Vertical reference system Mandatory Vertical resolution Mandatory Vertical accuracy Mandatory Vertical confidence level Mandatory Surface type Optional Recorded surface Mandatory Penetration level Optional Known variations Optional Integrity Mandatory Date and time stamp Mandatory Unit of measurement used Mandatory The awareness sessions may cover the following topics: The history of terrain and obstacle data; The terrain and obstacle data requirements; Overview of System-wide Information Management/AIM and how terrain and obstacle data support this; The uses of terrain and obstacle data; GIS and survey techniques; Feature capture rules; Institutional issues; Data sources; Responsibilities; The way forward.
Table A8-3 “Terrain attributes” Terrain attribute Mandatory/Optional Area of coverage Mandatory Data originator identifier Mandatory Acquisition method Mandatory Post spacing Mandatory Horizontal reference system Mandatory Horizontal resolution Mandatory Horizontal accuracy Mandatory Horizontal confidence level Mandatory Horizontal position Mandatory Elevation Mandatory Elevation reference Mandatory Vertical reference system Mandatory Vertical resolution Mandatory Vertical accuracy Mandatory Vertical confidence level Mandatory Surface type Optional Recorded surface Mandatory Penetration level Optional Known variations Optional Integrity Mandatory Date and time stamp Mandatory Unit of measurement used Mandatory The awareness sessions may cover the following topics: The history of terrain and obstacle data; The terrain and obstacle data requirements; Overview of System-wide Information Management/AIM and how terrain and obstacle data support this; The uses of terrain and obstacle data; GIS and survey techniques; Feature capture rules; Institutional issues; Data sources; Responsibilities; The way forward.
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