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Australian NADC 1st August 2010 Kim Finney (Manager, Australian Antarctic Data Centre & Chief Officer, SCAR Standing Committee on Antarctic Data Management). Data Navigator Go to http://data.aad.gov.au/aadc/navigator/. Miles Jordan; Andy Townsend; Dave Watts; Kim Finney

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Miles Jordan; Andy Townsend; Dave Watts; Kim Finney

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Miles jordan andy townsend dave watts kim finney

Australian NADC1st August 2010Kim Finney (Manager, Australian Antarctic Data Centre & Chief Officer, SCAR Standing Committee on Antarctic Data Management)


Miles jordan andy townsend dave watts kim finney

Data NavigatorGo to http://data.aad.gov.au/aadc/navigator/

  • Miles Jordan; Andy Townsend; Dave Watts; Kim Finney

  • Ben Raymond; Henk Brolsma; David Smith; Ursula Harris; Dave Connell; Angela Bender; Matt McKellar-Spence, Mark Morffew


What is data navigator

What Is Data Navigator ?

  • A generic tool to “discover”, “review/download” and “map” data.

  • Will replace many existing applications:

    • Easier for users,

    • Puts data into a spatial framework,

    • View datasets in context of other datasets,

    • Less maintenance for AADC staff,

    • Uses OGC and other standards that provide interoperability with other systems.


Types of content

Types of Content

migrate more data

UNSTRUCTURED DATA

STRUCTURED DATA

download data

filter

map data

WMS

KML

CSV


Miles jordan andy townsend dave watts kim finney

Architecture

Registered as layers in

PostGIS

Request data

GeoServer

Export to

Registered in

webserver

Uploaded

to

Excel,

CSV,

GIS

Oracle

response

Config

Table

Registered in

request

Registered in

CAASM

Metadata

Data Navigator Application

(ColdFusion 8, Open Layers, Javascript, HTML)

Excel,

CSV,

Other

Look-up

Links back to

Registered in

Links back to


Version 1 2

Version 1.2

  • Taste of things to come:

    • Much more content made available,

    • Import external datasets (in web map service and CSV format) and display on map with AADC-sourced data.


New rest based semantic feature catalogue service

New REST_Based Semantic Feature Catalogue Service


Miles jordan andy townsend dave watts kim finney

  • Motivation: Move from Application To Service Based System

  • Capture information on Community Profiles (i.e. agreed suites of feature-types, their attributes - their units of measure and datums, feature-type relationships and classification schemes used, all linked to a specific user community or use by a computer-based tool);

  • Assign one or more spatio-temporal geometries to a feature-type,

  • List Classification Schemes and Themes that feature-types might be associated with, and

  • Exercise the feature association component of the ISO model to record information about relationships between features (both internal and external to the catalogue).

  • Chose to create RESTful (Representational State Transfer) Services


Miles jordan andy townsend dave watts kim finney

Profile

Feature-Type

Geometry

Symbology

Attribute

UoM & Datum

Relationship

Classification Scheme Assignment

Classification Scheme

Theme

3 types of service to meet different use-cases

  • A typical REST StreamlinedCatalogueService query looks like:

  • /StreamlinedCatalogueService/Profiles/1/FeatureTypes/10/Format/XML

  • A client is able to:

  • Get all features for profile n

  • Get all features for all profiles

  • Get feature n in profile n

  • Get a description of classification scheme n

  • Get all classification schemes


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