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Third pass at collections metadata JSON from Andrew

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Aandrewxhill
Last edited May 19, 2011
Created on May 19, 2011

This example visualizes the structure of a JSON metadata file describing a World Wildlife Fund ecoregion dataset. It shows how nested fields like agreements, allowed uses, references, and spatial properties are organized hierarchically. The visualization uses d3.forceSimulation to position nodes representing metadata keys and values, with links showing parent-child relationships. d3.geoPath renders a map of the ecoregions, while Canvas getImageData is used to sample spatial grid data for display. The source data comes from the provided collectionsmetadata.json gist, and the layout dynamically arranges the JSON tree for inspection.

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