NTv2_DIstortions_GDA94-GDA2020_NSW - Unverified
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https://researchdata.edu.au/ntv2distortionsgda94-gda2020nsw-unverified/3402225
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资源简介:
GDA94 to GDA2020 distortion values (as bearing from True North and 2D geodesic-distance [also decomposed into dEast and dNorth])Calculated from GDA94 [CPD] GDA2020 transformation less GDA94 [CON] GDA2020 transformation.https://epsg.org/transformation_8447/GDA94-to-GDA2020-2.htmlhttps://epsg.org/transformation_8446/GDA94-to-GDA2020-3.html** Use with caution **Not an official DCS Spatial Services dataset. Calculations not verified.Compare any observations against calculations using an GDA94/MGA94 GDA2020/MGA2020 transformation method.See Examples under the heading Spatial Collaboration Portal – Projection Service at https://www.spatial.nsw.gov.au/surveying/geodesy/conversion_software Metadata\n\n\n \n \n Content Title\n \n \n NTv2 Distortions GDA94-GDA2020 NSW - Unverified\n \n \n \n \n Content Type\n \n \n Web Map\n \n \n \n \n Description\n \n \n CPD less CON transformation for GDA94 to GDA2020\n \n \n \n \n Initial Publication Date\n \n \n 27/01/2022\n \n \n \n \n Data Currency\n \n \n 27/01/2022\n \n \n \n \n Data Update Frequency\n \n \n Other\n \n \n \n \n Content\n Source\n \n \n https://epsg.org/transformation_8447/GDA94-to-GDA2020-2.htmlhttps://epsg.org/transformation_8446/GDA94-to-GDA2020-3.html\n \n \n \n \n File Type\n \n \n Map Feature Service\n \n \n \n \n Attribution\n \n \n .\n \n \n \n \n Data\n Theme, Classification or Relationship to other Datasets\n \n \n .\n \n \n \n \n Accuracy\n \n \n .\n \n \n \n \n Spatial Reference System (dataset)GDA2020\n \n \n \n \n Spatial Reference System (web service)\n \n \n EPSG:3857\n \n \n \n \n WGS84 Equivalent To\n \n \n GDA2020\n \n \n Content\n Lineage\n \n \n \n \n \n Data Classification\n \n \n Unclassified\n \n \n \n \n Data Access Policy\n \n \n Open\n \n \n \n \n Data\n Quality\n \n \n for testing only - not a verified or official data source\n \n \n \n \n Terms and Conditions\n \n \n Creative Commons\n \n \n \n \n Standard\n and Specification\n \n \n .\n \n \n \n \n Data Custodian\n \n \n NSW Spatial Services\n \n \n \n \n Point of Contact\n \n \n Please contact us via the Spatial Services Customer Hub\n \n \n \n \n Data\n Aggregator\n \n \n .\n \n \n \n \n Data\n Distributor\n \n \n .\n \n \n \n \n Additional\n Supporting Information\n \n \n .\n \n \n \n \n TRIM Number\n \n \n .\n \n \n
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data.nsw.gov.au



