@wnd@fosstodon.org
@wnd@fosstodon.org avatar

wnd

@wnd@fosstodon.org

I write code and visualize data
I do governance for British railway IT plus European regulation
I believe data makes rail passengers lives better
Ask me how!
#Physicist #OpenData #DataScience

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25kV, to random
@25kV@mas.to avatar

Wherever I'm in Derbados - sorry, Derby - there's always something odd going on at the station. On this case, a pair of class 73/9s top and tailing the ultrasonic rail test train. Sadly "Dick Mabbutt" was not in the consist

A class 73 locomotive at the head of a rake of carriages in the platform

wnd,
@wnd@fosstodon.org avatar

@25kV I've just got back myself from Siemens towers.

There is something about Derby, wet weather and its limited public transport links that make the walk to the Rail Technical Centre in a suit feel a bit like a puddle mediated form of Russian roulette...

jon, to random
@jon@gruene.social avatar

I’m so effing tired

What states and the EU ought to do - facilitate cross border travel in a green way - they’re abjectly failing to do (see today’s SNCF (state owned railway) saga)

What they’re instead doing is racist passenger profiling and eroding #Schengen (Bundespolizei controlling anyone with dark skin at Offenburg)

wnd,
@wnd@fosstodon.org avatar

@jon I had an interesting discussion with.an SNCF colleague who claimed that information sharing is bad and that as a private company since 2015 they weren't able to do this to prevent competitive advantage to others while then talking about SNCF as being state owned.

I felt there was a touch of the L'État c'est moi about this

wnd, to uk
@wnd@fosstodon.org avatar

Today I have been dusting off some old code looking at the perennial question of "where is the centre of country x" for a value of x is the UK.

I here are two methods of identifying the centre point, one based on a geographic bounding box centroid for the UK, and a population centroid calculated by slicing the UK into 100m horizontal and vertical rectangles and working out the cumulative centre point using @WorldPopProject data in an EPSG:3034 projection

Detailed map using OpenStreetmap data projected on EPSG:3034 the centre point for the UK at a point in a field in the Southern borders of Scotland and England
Map using OpenStreetmap data projected on EPSG:3034 the population centre point for the UK corresponding to a field between somewhere between Montilo Farm and Pailton near Rugby
Detailed map using OpenStreetmap data projected on EPSG:3034 the population centre point for the UK corresponding to a field between somewhere between Montilo Farm and Pailton near Rugby

wnd,
@wnd@fosstodon.org avatar

UK population projected onto 100m horizontal and vertical slices

Boundary map of UK in black on a white background with 100m horizontal population slices showing projected population distribution

tml, to random
@tml@urbanists.social avatar

Aah. #BeerOnTrains

wnd,
@wnd@fosstodon.org avatar

@partim @tml barring rare diversionary routes or a mess up at the depot, UK IC trains are nailed on for passenger multiple unit consist

wnd,
@wnd@fosstodon.org avatar

@partim @tml perhaps. Having IC trains run to-and-from limited destinations also may play a factor

wnd,
@wnd@fosstodon.org avatar

@partim @tml (I say this as my, albeit limited, experience was the same behaviour prior to privatisation)

wnd,
@wnd@fosstodon.org avatar

@25kV @partim @tml I have clearly been pampered by the ECML

underdarkGIS, to random
@underdarkGIS@fosstodon.org avatar

Today, I was again reminded that I'm not Apache admin enough to set it up correctly for #QGIS Server.

Luckily, there's a #Docker container to save the day: spin it up, put the project file in the data dir, and off you go with WMS, WFS, and wfs3 / OGC API

#GISChat

wnd,
@wnd@fosstodon.org avatar

@underdarkGIS for this I feel you should be congratulated and offer you an ÖBB Railjet moquette standard class seat*

  • Available to all others for up to two hours for the princely sum of €2.40 within the Wien Kernzone...
wnd,
@wnd@fosstodon.org avatar

@underdarkGIS there is even a charging point! Albeit rather eccentrically placed in the overhead luggage rack

slowe, to random
@slowe@mastodon.me.uk avatar

I've created a simple web tool for showing data from a CSV file on a hex layout e.g. https://open-innovations.org/projects/hexmaps/viewer?url=https%3A%2F%2Fdocs.google.com%2Fspreadsheets%2Fd%2F1NtcBz6FyfsYwCe6X7_QUCssmhj2wSStSegwc102cH-E%2Fedit%23gid%3D0&hexjson=&colourscale=Viridis&attribute=Members&labels=Short&tooltips=Tooltip
The CSV file must be publicly accessible (CORS enabled) and can be a Google Sheet. You can provide a hex layout. If you don't have one, it will try to detect GSS codes in a column and use one of the existing hex layouts we've designed. Alternatively, you could just create q and r columns in your CSV to manually define where your hexes go.

wnd,
@wnd@fosstodon.org avatar

@slowe you may want to consider A/B testing*

  • by this I mean, post both and let folk comment on what they think is best
25kV, to random
@25kV@mas.to avatar

Big day tomorrow

cracks knuckles, touches toes, does other metaphors for getting ready for a big day

wnd,
@wnd@fosstodon.org avatar

@jamesjefferies @25kV I suspect it might be this https://www.riagb.org.uk/RIA/Newsroom/Press_Releases/A_new_strategy_for_delivering%20a_lower_cost_higher_performing_net_zero_railway_by_2050.aspx

But could be wrong

25kV, to random
@25kV@mas.to avatar

Until today we honestly had no idea that Dennis Waterman was once Queen of England

wnd,
@wnd@fosstodon.org avatar

@25kV "I could be so good for you..."

wnd,
@wnd@fosstodon.org avatar

@25kV "Dave, a Bloody Mary for the counter reformation, a VAT for me, and put it on the slate"

underdarkGIS, to Vienna
@underdarkGIS@fosstodon.org avatar

If you're in #Vienna, check out the current exhibition in #UnteresBelvedere "In the eye of the storm - #Modernism in #Ukraine"

Lots of great pieces. My personal favorites probably are the paintings by Abram Manewytsch. The phone pics don't do them justice. That goat 🐐 made me smile 😂

image/jpeg
image/jpeg

wnd,
@wnd@fosstodon.org avatar

@underdarkGIS do you know how long this is on for? I was in Wien last week but didn't know about the exhibition, and won't be back until (probably) April

jon, to random
@jon@gruene.social avatar

Always got their finger on the pulse, these railway associations

CER (Community of European Railway and Infrastructure Companies) and UNIFE have given a railway award to ex-Commissioner Violeta Bulc... who left office in autumn 2019!

Don't get me wrong, Bulc was fine, but has done nothing for railways since, meaning this is weird

https://www.europeanrailwayaward.eu/news/63-european-year-of-skills-celebrated-at-the-2024-european-railway-award.html

wnd,
@wnd@fosstodon.org avatar

@jon could it be a comment by CER on the current incumbent? For example, I know CER are uncomfortable with proposed regulatory reform

wnd, to python
@wnd@fosstodon.org avatar

For those interested in such things I have had a go at writing a #python module "parenx" ("pare" + "nx") that simplifies linear networks, such as road and rail, using buffering and either image skeletonization or Voronoi polygons to identify a centre-line

As it is on #PyPi so it is available via #pip

It is beta-code and has a number of limitations but hopefully it might be of interest. Noting that two-dimension areal interpolation problem seems well understood

https://github.com/anisotropi4/parenx

robinlovelace, to random
@robinlovelace@fosstodon.org avatar

Very happy to have submitted a paper to #GISRUK 2024 in my home city of #Leeds. It was a collaborative effort by me, ITS Leeds colleague Zhao Wang, Will Deakin from Network Rail and Josiah Parry from Esri. All open and reproducible of course thanks to Quarto template by Steph De Sabbata: https://github.com/sdesabbata/quarto-gisruk Details: watch this space!

wnd,
@wnd@fosstodon.org avatar

Thanks for herding the cats* on this @robinlovelace

  • well this cat at least
wnd, to random
@wnd@fosstodon.org avatar

For those interested in such things, here are 2 657 images showing the Office of Road and Rail 2021/22 passenger travel data projected onto a shortest-path network for each of the active mainline railway stations https://github.com/anisotropi4/kingfisher/blob/main/station.md

The main code still needs some work but the will be posted on GitHub here https://github.com/anisotropi4/kingfisher/

(There are already some helper scripts for generating markdown and creating the PNG images but not data yet)

#DataVisualization #Rail #PassengerData #ORR #2021

wnd, to random
@wnd@fosstodon.org avatar

For those interested in such things, here are four different cuts of the Office of Road and Rail 2021/22 passenger travel data projected onto a shortest-path network using the centre-line track-model.

These represent the passenger journey numbers either in a colour scale white-to-orange, scaled line width, or both.

The travel data was kindly provided by Alasdair Rae with the centre-line track-model by Peter Hicks through #OpenRailData.

#DataVisualization #Rail #PassengerData #ORR #2021

1/n

Rail network model of mainland Great Britain showing a linear-scale white to orange representation of annual passenger journeys. Sea in blue and land in green.
Rail network model of mainland Great Britain showing a representation with white line with scaled to annual passenger journeys. Sea in blue and land in green.
Rail network model of mainland Great Britain showing a representation with both log-scale coloured white to orange lines and line width with scaled to annual passenger journeys. Sea in blue and land in green.

wnd,
@wnd@fosstodon.org avatar

Here is Sheffied (SHF), Wick (WCK), Garth (GTH) and London Victoria (VIC)

3/n

Wick showing the single longest journey > 1750km to Bodmin Parkway
Garth Railway Station on the Heart of Wales Line ("Party on Wayne")
London Victoria showing the limitations of using matplotlib to automatically generate images.

robinlovelace, to datascience
@robinlovelace@fosstodon.org avatar

Re-generating input datasets for our network merging methods + reproducible + geocomputation + visualisation for sustainable transport planning paper. 🏗️
If anyone knows of any good examples of 'braiding' like this let us know!

wnd,
@wnd@fosstodon.org avatar

@robinlovelace @underdarkGIS I thought Edinburgh New Town was quite braided

solderandchaos, to datascience
@solderandchaos@mastodon.me.uk avatar

Do you consider yourself a data scientist of any variety? Maybe it makes up a bit of your job, maybe it’s all of it, but if you went to school in the UK and can spare quarter of an hour to reflect on a few things it would be hugely appreciated.

Link here: https://lborocmc.fra1.qualtrics.com/ife/form/SV_7PdY9nlUCvITTw2


@edutooters @academicchatter

wnd,
@wnd@fosstodon.org avatar

@solderandchaos @edutooters @academicchatter done albeit I have imposter syndrome here

robinlovelace, to python
@robinlovelace@fosstodon.org avatar

I'm thinking about porting functionality in the {stats19} #rstats package into #Python and possibly other languages. Are you an #OpenSource developer with an interest in #DataScience for policy, sustainability + good? If so please check this issue and let us know your thoughts on taking this project to the next level 🚀 https://github.com/ropensci/stats19/issues/230
@rOpenSci @mszll + all any thoughts on best practices welcome also 🙏

wnd,
@wnd@fosstodon.org avatar

@robinlovelace @rOpenSci @mszll here you go, arguably an MVP:

https://github.com/anisotropi4/stats19

Issues:

  1. it doesn't cache the download.
  2. it defaults to "casualties" rather than prompting the user if you don't specify a "type"
  3. it has no documentation
  4. if it is useful, it should be converted to a module and installable via pip or conda
wnd,
@wnd@fosstodon.org avatar

@mszll @robinlovelace @rOpenSci I've updated the GitHub https://github.com/anisotropi4/stats19 with a page-scraping function and think the DfT have fixed filename issue

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