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Shapefile, or one of the following if this is not possible:
Geography Markup Language (GML)
Well Known Text (WKT)
GeoJson.
AusSeabed will maintain geometries in a spatial format capable of transformation into multiple formats.
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Geometry Type: Line & Polygon (Extent of the Survey from Port to Port)
Purpose/s:·
To provide a visual extent of the multibeam survey extents in a mapping portal and
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To allow the calculation of a total line kilometres for the Survey.
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To allow the calculation of a total area (sq. km) of the multibeam survey extents.
Attributes (Minimum Requirements as listed 4.2.4) – the ‘metadata_url’ is used to link to the more comprehensive attributes and descriptions.
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See ASB Procedures for Generating Polygons (still under development)
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[1] Calculated by projecting to the Australian Lambert Equal Area projection
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