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Export Data\u00a0Access API

NSW Positioning Theme - Survey Mark GDA2020 multiCRS

MultiCRS service - supporting requests in multiple Coordinate Reference Systems -\u00a0Information Sheet

A new series of \u2018multiCRS\u2019 web services have been published to support GDA2020. \u00a0These new \u2018multiCRS\u2019 services:

\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0have a spatial reference of GDA2020

\u00b7\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0support alignment with GDA2020, GDA94 or [WGS 84-aligned-to-GDA2020] GIS environments,
using built-in server-side transformations:

o\u00a0\u00a0\u00a0\u00a0GDA94 < NTv2-CPD > GDA2020

o\u00a0\u00a0\u00a0\u00a0GDA94 < NTv2-CPD > WGS 84 aligned to GDA2020

o\u00a0\u00a0\u00a0\u00a0GDA2020 < NULL > WGS 84 aligned to GDA2020


\u00a0 \u00a0 \u00a0Note: ESRI software will automatically align by transforming from the\u00a0sourceSpatialReference\u00a0(GDA94).
\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0Other software may need to set client-side transformations from the\u00a0SpatialReference\u00a0(GDA2020).

\u00a0 \u00a0 \u00a0Note:\u00a0Client-side transformation(s) can be used to over-ride these default transformations.

The original [WGS 84-aligned-to-GDA2020] is still available, without the \u2018multiCRS\u2019 suffix. In due course, and allowing time for user feedback and testing, it is intended that the original service name will adopt this new multiCRS functionality.


Please note that SCIMS Online is the official option for obtaining state control survey data for cadastral surveys as it offers legal traceability. SCIMS online is accessible via the Spatial portal.


Metadata\u00a0Portal Metadata Information

Content TitleNSW Positioning Theme - Survey Mark GDA2020 multiCRS
Content TypeHosted Feature Layer
Description

This service provides\u00a0GDA2020 coordinates, heights and related information for NSW survey marks that form the official State control survey network (as reported in SCIMS).\u00a0

This service supports requests in multiple coordinate reference systems.

This service controls the precision of numerical output in a manner that mirrors SCIMS Online available through the Spatial Services Portal.

The web service provides a wealth of data on each mark, including:

  • mark type (Permanent Mark, State Survey Mark, etc.)\u00a0
  • mark number\u00a0
  • horizontal coordinates and their accuracy (class and order)\u00a0
  • heights and their accuracy (class and order)\u00a0
  • status of the mark (destroyed, restricted access, etc.)\u00a0

\u00a0
The mark type is represented using various shapes and the accuracy of the mark (both vertical and horizontal) is communicated by the colour.\u00a0

This web service allows users to easily integrate survey control mark data from SCIMS into Open Geospatial Consortium (OGC) compliant spatial platforms and applications.\u00a0

Data provided by the NSW Survey Mark web service can be used in a variety of engineering and surveying applications, including but not limited to:\u00a0

  • cadastral survey planning\u00a0
  • flood studies and hydrographic modelling\u00a0
  • infrastructure development
  • site calibration at construction sites\u00a0
  • elevation modelling\u00a0
  • preservation of survey infrastructure.

The NSW Survey Mark web service gives users an alternative method to access state control survey data that can be incorporated into their GIS package without needing to log into SCIMS Online.

Please note that SCIMS Online is the official option for obtaining state control survey data for cadastral surveys as it offers legal traceability. SCIMS online is accessible via the Spatial portal.

Initial Publication Date24/06/2019
Data Currency01/01/3000
Data Update FrequencyDaily
Content SourceAPI
File TypeMap Feature Service
Attribution\u00a9 State of New South Wales (Spatial Services, a business unit of the Department of Customer Service NSW). For current information go to\u00a0spatial.nsw.gov.au
Data Theme, Classification or Relationship to other DatasetsNSW Positioning Theme of the Foundation Spatial Data Framework (FSDF)
NSW Elevation and Depth Theme of the Foundation Spatial Data Framework (FSDF)
AccuracyThis dataset depicts the location of survey marks based on their official GDA2020 coordinates. Survey mark positional accuracy is reported in the data fields for each mark and varies from mark to mark. Over time mark accuracy will change when new observations are added, and survey adjustments are completed.

For additional information, please contact us via the\u00a0Spatial Services Customer Hub
Spatial Reference System (dataset)GDA2020
Spatial Reference System (web service)Other
WGS84 Equivalent ToGDA2020
Spatial ExtentFull State
Content LineageFor additional information, please contact us via the\u00a0Spatial Services Customer Hub
Data ClassificationUnclassified
Data Access PolicyOpen
Data QualityHigh. Methodology and accuracy standards are defined in the NSW Surveyor General\u2019s directions.
For additional information, please contact us via the\u00a0Spatial Services Customer Hub
Terms and ConditionsCreative Commons
Standard and Specification

Open Geospatial Consortium (OGC) implemented and compatible for consumption by common GIS platforms. Available as either cache or non-cache, depending on client use or requirement.\u00a0\u00a0

Data CustodianDCS Spatial Services
346 Panorama Ave
Bathurst NSW 2795
Point of ContactPlease contact us via the\u00a0Spatial Services Customer Hub
Data AggregatorDCS Spatial Services
346 Panorama Ave
Bathurst NSW 2795
Data DistributorDCS Spatial Services
346 Panorama Ave
Bathurst NSW 2795
Additional Supporting InformationData Dictionaries
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