I think I'm in love with this map of San Francisco. The only thing you need is free design vector map of San Francisco, California, US, Adobe Illustrator. Every time I see its rainbow colored streets I become all weak at the knees.

Crayon the Grids is a series of maps in which the streets have been colored based on their orientation. The results, I think you will agree are absolutely stunning. This series of gorgeous visualizations includes maps of San Francisco, Tokyo, New York, Chicago, London, Washington DC, Los Angeles, Paris, Berlin and Boston.

There is also a detailed explanation of how the maps were made,

"... to render each point on the map, we use Proximatic, my custom high-performance k-NN
engine, to calculate the length-weighted average of the colors assigned
to the nearest 500 meters of street, keying render weight to the local
degree of parallelism/orthogonality (derived in a similar mod-90° vector
space), with rolloffs for outlying roads and territory".

To be honest I didn't take much of that explanation in. I just stared, drooling at the map and replied, 'You're pretty'.

Crayon the Grids reminded me of some visualizations by Visual Statistix,
comparing the road orientation
patterns in American and European cities. These static maps with
accompanying rose diagrams are a great visualization of urban road
patterns. They are particularly illuminating in illustrating the
differences between the planned grid-patterns of American cities and the
more organic sprawl found in European cities.

has also released an interactive map that allows you to view the road
orientation for any district or city in the world. Using the map you can
zoom in on any area of the world and a rose diagram displays the road
orientation distribution of the current map bounds.

The map uses the underlying data for roads in OpenStreetMap to calculate
the road direction patterns on the fly. This means that you can move
the map around and zoom in or out on any location and the rose diagram
will update to show the road direction distribution within
the current map view. Source

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Last Modified: February 14, 2017 @ 11:36 am