See-Through Globe

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See-Through Globe

✓ Published0🌍 Public

Last edited Feb 9, 2016

Created on Sep 28, 2013

A rotating see-through globe displays both the front and back hemispheres simultaneously. The orthographic projection, implemented with `d3.geo.orthographic`, first renders the entire sphere as a light outline, then draws the front-facing land polygons in a darker tone using the `d3.geo.path` API on a Canvas. A graticule overlays the sphere, and the entire scene rotates continuously via a timer. The code loads world-110m GeoJSON data from a gist and relies on `topojson.feature` to extract land polygons.

AI-generated description

First, the entire globe is drawn with a light color. Then, the front-facing polygons are drawn on top with a darker color. Compare to this alternative approach.

gpl-3.0 Licensed

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