Hourly solar analemmas (ignoring daylight savings time) as seen from San Francisco in 2014.
Johan Sundström johan
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| license: gpl-3.0 |
johan
/ README.md
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March 1, 2024 05:26
— forked from mbostock/.block
johan
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December 17, 2015 03:38
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A recreation of E.J. Marey’s graphical train schedule. Stations are separated vertically in proportion to geography; thus, the slope of the line reflects the speed of the train: the steeper the line, the faster the train. This display also reveals when and where limited service trains (in orange) are passed by baby bullets (in red). This type of plot is sometimes called a “stringline chart”.
See also the earlier Protovis version by Vadim Ogievetsky.
johan
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November 6, 2021 14:09
— forked from NV/Readme.md
JS debug breakpoint / log snippets
These tools inject a breakpoint, console.log or console.count
in any function you want to spy on via
stopBefore('Element.prototype.removeChild')
or ditto stopAfter, logBefore / logAfter / logAround / logCount.
Works in Chrome DevTools and Safari Inspector; Firefox dev tools reportedly less so.
This example demonstrates the construction of the psy curve.
johan
/ README.md
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December 11, 2015 19:08
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This interrupted Mollweide projection features the solar terminator for any date and time.
johan
/ README.md
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December 11, 2015 18:59
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Sunny side of the Earth, for any date and time.
This interrupted Mollweide projection features the solar terminator for any date and time.
johan
/ README.md
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December 11, 2015 18:59
— forked from mbostock/.block
Solar Terminator on Interrupted Mollweide
This interrupted Mollweide projection also features the solar terminator.
johan
/ README.md
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January 16, 2020 12:17
— forked from benelsen/README.md
Earth, night and day sides.
The current solar terminator (the non-sunlit part of the Earth) is shown in blue. (Origin: Ben Elsen’s fix of Mike Bostock’s original)
johan
/ README.md
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December 11, 2015 18:48
— forked from mbostock/.block
Why you arrive from the North when flying to the US from Iceland.
When flying to the US via Iceland, you never arrive from the East, but always cross the North US border. This two-point equidistant projection focused on Keflavik airport, Iceland (red) and San José airport, USA (blue) demonstrates why.
The circles are great circles centered on either airport spaced at 10° intervals.
The projection implementation is still a work in progress, hence the visual artifacts; it requires elliptical clipping. Based on a gist by Mike Bostock.
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