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Learning Vega 2.0: events and marks

Capture mousemove and print mouse coordinates.

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Simple line plot for IFR traffic using Vega 2.0.

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The implementation of the horizontal version of the Vega tutorial bar plot.

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The implementation of the (vertical) bar plot as from the Vega tutorial.

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This is an implementation of an interactive logo for PRU, inspired by IDL's one and by Mike's block.

Hover on it...

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This is an example of bullet chars in dc.js. A pull request for inclusion of the bullet chart has been submitted, in the meantime I use a special built of dc.js.

See my post about it.

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A demonstration of D3’s vertically-oriented bullet charts, based on this example.

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When switching to horizontal the axis is not correctly positioned: bug.

A demonstration of D3’s vertically-oriented bullet charts, based on this example.

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Take flight ASL334 on 16th Feb 2015 (and sort the position reports by timestamp)

echo "lat,lon,clock,type" > data.csv
cat adsb.json | \
jq -r 'select(.ident=="ASL334" and .clock >= "1424041200" and .clock < "1424127600")|[.lat,.lon,.clock,.updateType]|join(",")' | \
sort --key=3n -t, >> data.csv

click on the markers to get tracks details: spot the zig-zag at around track 60!

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From Mike's bl.ock on topojson.merge: now merge multiple polygons into a single polygon with a hole.