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London d3.js 2015 Feb Meetup

This is the first meetup after  2 London D3js meetups being merged (Thanks to Kuldeep).

Please check Lanyrd if you are interested in the past meetups and join google group for discussions. 


• 19:00 ~ Door Open

• 19:10 ~ Welcome 

• 19:15 ~ "Tree and Network Visualisation using D3 Layouts" by Peter Cook

• 19:45 ~  "Using data and visualisation to improve government" by Tom Booth

• 21:00 ~ Door Close


More info about the talks.

"Tree and Network Visualisation using D3 Layouts"

D3 has established itself as the JavaScript library of choice for producing data visualisations and its flexible architecture enables the visualisation of a wide array of data types including lists, trees and networks. In this talk Peter Cook will focus on the concept of layouts in D3. In essence a layout is a function that transforms your data into a form that can then be easily rendered in the browser. Layouts share a common usage pattern and understanding how they work will not only make more advanced visualisations easier but will also give insight into some of the thinking behind D3.

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  • Francesco B.

    Hello guys, very interesting meetup. Any chance you're going to publish your slides?

    2 · February 27, 2015

  • makoto

    Here is the blog write up about the event including the links to slides and videos

    March 13, 2015

  • Erika P.

    about data join with d3 ?

    February 27, 2015

  • makoto

    Thanks all for joining our last night meetup. I am currently writing up the meetup summary including all info you guys requested. Hoping to publish by next monday.

    3 · February 27, 2015

  • Francesco M.

    Great talks!

    February 27, 2015

  • Michelle M.

    very interesting great talks

    1 · February 27, 2015

  • makoto

    Hello. We will try Google Hangout On Air at

    This is the first attempt so apologies if things do go wrong.

    1 · February 26, 2015

    • Micah S.

      (bravo for the effort. I too struggled with the video settings for a hangouts stream at Houston Data Vis last month)

      February 26, 2015

    • makoto

      I think it's correct. It starts at 7pm GMT so actually another 5 hours to go

      February 26, 2015

  • jeremy c.

    Sadly, I've come down with a really bad cold and I fear my coughing will just be disruptive (and I also don't want others to get it!) so I'm freeing up a spot now for others to go...

    February 26, 2015

  • makoto

    FYI, our event hashtag is #ldnd3js

    1 · February 26, 2015

  • makoto

    Hi Mark.
    I don't think we can increase any more. We will let you know if we can do Google Hangout or something.

    2 · February 22, 2015

    • Micah S.

      I hangout + a screenshare would be excellent. bonus points if you record it and share it with asynchronous viewers :-)

      February 24, 2015

  • MarkGStacey


    Any update on the venue size? Or position on the waiting list? Seeing Peter talk on layouts in D3 is really a highlight for me so it'd be great to make it.

    February 22, 2015

  • makoto

    Hello. Just increased the space by 20. It's less likely that we can increase more so if you realised that you cannot make it, then please free up your space for people who are in the waiting list

    February 18, 2015

  • makoto

    Hello. Thank you all for signing up and we are glad that so many people are interested. We are currently in the discussion of increasing the capacity so that more people in the waiting list can join in. In the mean time, please change your status if you find that you no longer able to attend.



    3 · February 5, 2015

    • Simon H.

      From position 37 on the waiting list, I really hope the capacity can be increased! If not, maybe the talks can be streamed to a second venue nearby - Henman Hill style?

      February 8, 2015

    • edsykes

      i've used a google hangout to do this before. it's lo fi, but works.

      February 9, 2015

  • edsykes

    good luck with it kuldeep!

    1 · February 3, 2015

  • edsykes

    really disappointed i can't make this - i'm in india.

    1 · February 3, 2015

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