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joeldn

same density, different ... moving on from danny dorling's famous cartograms to james cheshire's famous population lines, the first stab involved cobbling census output area centroids into data peaks sized by census 2021 population density... next hope to make each peak's foothills stretch east/west to borough limits (full joyplot) and maybe try curvier mountains

data_mountains is open - what started as an attempt at a geospatial ridgeline plot ended up as a middle-earth lookalike

it turns data values associated with geospatial points into data mountains

enjoyed using to make a package out of jupyter notebooks!

pypi.org/project/data-mountain

PyPIdata-mountainsturn a geodataframe of points into mountains, scaled by a data attribute associated with each point

data-mountain of census 2021 one-bedroom homes in tower hamlets

data mountains of census 2021 population density in greenwich borough - tenously reminds me this mind blowing india map fosstodon.org/@terence/1096387

data mountains of census 2021 population density in lewisham borough

data mountains of census 2021 population density in southwark borough

kensington and chelsea population density data needed square route transformation... there's one OA around chelsea cloisters that has a population density approaching 2 million people per kmsq.

population mountains in westminster borough (census 2021)

lots of green space in westminster, so trying with basemap (via geopandas explore() function)

a look at population density in an outer london borough, bexley to be precise, an area with one of the least low recycling rates in town

population mountains of southwark. i really like this one as it shows the graduation of people from the riverside metropolis south toward the last vestiges of the great north wood.

greenwich again (my local borough); there's a nice primordial forest here that was almost concreted over in 1994 - you can still make out what would have been a motorway route along the less populated eastern hills and marshes, although the transport minister did compulsorily purchase many homes too roads.org.uk/ringways/ringway2

here comes lambeth population density, a good companion to southwark, although in this case the 'mountainous regions' don't track the thames river but instead the A3/A23 from waterloo to streatham, giving this a bit more of a misty mountains look.

west from lambeth comes wandsworth, i don't know this area; one of the quirks of being a Londoner is how much of it you never see, though wandsworth definitely includes the site of the album cover with the flying pig and a very nice council data team!