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Mainroads - Geodetic Control View
Main Roads WA Geodetic Control data, used to underpin engineering grade survey, mapping and laser scanning operations. Points contain MGA or Project Zone coordinate values, horizontal and vertical accuracy and methodology, with supporting Latitude and Longitude values in GDA94 or GDA2020 as appropriate.This data is used for road investigation, planning, design, construction and asset management. The geodetic control network underpins the relative accuracy of the survey data, and in conjunction with the project zones, provides surveyors with an important resource to ensure engineering survey standards are met and maintained.The data within this layer is continually maintained and edited on a daily basis.Data Dictionary: https://bit.ly/32uGPoF
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Mainroads - Detail Ground Survey View
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The Detail Ground Survey layer contains the surveyed extents of ground survey or laser scan extracted survey used for Main Roads project planning, design, construction and asset management purposes.This data is used for road investigation, planning, design, construction and asset management.The data within this layer is continually maintained and edited on a daily basis.Data Dictionary: https://bit.ly/3ssHt0A
Geodetic Control Theme
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Survey control points or other related data sets which are accurately tied to the National Spatial Reference System.
Head Office of Geodesy and Cartography - National register of base geodetic, gravimetric and magnetic control networks (PRPOG)
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,In the National Geodetic and Cartographic Resources are collected and available information and data (including archival) of basic geodetic points for the entire country in the networks.,Coordinates of the horizontal basic network are available in the spatial reference system "PL-ETRF89" or "PL-ETRF2000" and the national coordinate systems,„PL-1992” i ”PL-2000”.,The heights of levelling network are available in The Height Normal System PL-KRON86-NH i PL-EVRF2007-NH. For some points the ellipsoid heights are definied in according to the ellipsoid GRS 80.,,,
Mainroads - Point Cloud View
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The point cloud layer contains the extents of mobile, terrestrial and airborne laser scanning completed to Main Roads specifications and standards for project planning, design, construction and asset management purposes.This data is used for road investigation, planning, design, construction and asset management.The data within these layers are continually maintained and edited on a daily basis.Data Dictionary: https://bit.ly/3v3V7sz
Geodetic Control Points 2005
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Geodetic Control Points
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