Data and techie stuff thread for BAFS 2016

[elwbikes]

@hozn 133292 wrote:

I can provide you/someone with activity IDs if they want to generate heat maps or look into how this is done.

Is that easy or hard? Basically, I want an easy way to figure out my “around the country” and “around the world” prizes. Alternately, I could ask people to self-submit and then check. Happy to learn how to do it, thank you!

[hozn]

@elwbikes 133320 wrote:

Is that easy or hard? Basically, I want an easy way to figure out my “around the country” and “around the world” prizes. Alternately, I could ask people to self-submit and then check. Happy to learn how to do it, thank you!

I don’t know. I have never made a Strava heat map. But you are welcome to research it

[jwetzel]

@hozn 133327 wrote:

I don’t know. I have never made a Strava heat map. But you are welcome to research it

This page may be useful. http://www.jonathanokeeffe.com/strava/multi-ride-mapper/

[elwbikes]

@jwetzel 133366 wrote:

This page may be useful. http://www.jonathanokeeffe.com/strava/multi-ride-mapper/

Oh, thanks! Except I wish I could look at the entire FS community’s Strava rides. HMM….

[hozn]

https://developers.google.com/maps/documentation/javascript/examples/layer-heatmap

If someone wants to tackle that, I will expose the API to return GPX for the routes.

[chris_s]

@hozn 133409 wrote:

https://developers.google.com/maps/documentation/javascript/examples/layer-heatmap

If someone wants to tackle that, I will expose the API to return GPX for the routes.

I’ll do it! Hook me up!

[hozn]

@chris_s 133497 wrote:

I’ll do it! Hook me up!

Darn it! I mean, awesome!

Ping me at hans-at-velum.net and we will discuss api.

[elwbikes]

You guys are awesome!!!!

[Anonymous]

With the increase in number of participants, it’s no longer possible for most of us (well, me) to find ourselves on one of my favorite charts: http://freezingsaddles.com/explore/indiv_elev_dist

Would it be a difficult change to have your own bubble appear on top when you are logged in?

[Steve O]

@Amalitza 133570 wrote:

With the increase in number of participants, it’s no longer possible for most of us (well, me) to find ourselves on one of my favorite charts: http://freezingsaddles.com/explore/indiv_elev_dist

Would it be a difficult change to have your own bubble appear on top when you are logged in?

I’ve been riding up a bunch of extra hills in an attempt to move my bubble above the crowd. Getting close.

[Anonymous]

@Steve O 133573 wrote:

I’ve been riding up a bunch of extra hills in an attempt to move my bubble above the crowd. Getting close.

Tried that.
https://www.strava.com/activities/480881666/overview

Nearly as I can tell, I’d have to do nothing but ride up and down this hill for the rest of the winter to move up past IanB who has 234 miles to my 238, but over 16K ft of climbing. How is this even possible?

[hozn]

@Amalitza 133599 wrote:

Tried that.
https://www.strava.com/activities/480881666/overview

Nearly as I can tell, I’d have to do nothing but ride up and down this hill for the rest of the winter to move up past IanB who has 234 miles to my 238, but over 16K ft of climbing. How is this even possible?

Yeah, the data looks accurate for IanB. He was riding some mountains, I guess!

As for the chart, there’s no easy way [that I am aware of] to specify order/z-layer of the bubbles, or even color. But I acknowledge that it’s a lot less usable than it used to be. We could probably provide some filtering (e.g. show me just my team, etc.). We’re also switching over [slowly, amidst other tasks] to Highcharts for the charts, which might make it easier to tweak the display of the data.

[chris_s]

@Amalitza 133570 wrote:

With the increase in number of participants, it’s no longer possible for most of us (well, me) to find ourselves on one of my favorite charts: http://freezingsaddles.com/explore/indiv_elev_dist

Would it be a difficult change to have your own bubble appear on top when you are logged in?

I just sent hozn some code that may make it possible to push your bubble to the forefront automatically. In the meantime, I’ve created a bookmarklet that does the same job that you could try if you’re feeling brave.

Just go to this URL:

http://mizook.com/bubble.asp?u=
For Example: http://mizook.com/bubble.asp?u=Chris+Sl

and drag the link that appears into your bookmarks. Then go to the altitude chart as you usually would & click your new bookmark. It should pop your bubble to the front.

[hozn]

Man, this chris_s guy is making a liar out of me. Just kidding; I am super grateful for the help. (I will work to get that incorporated, though might wait for the highcharts version of the graph.)

[hozn]

Hi folks. I’ve made lots of changes today to the freezingsaddles backend to optimize how we’re fetching and refetching/refreshing data and how we’re handling photos. I also was granted a 4x increase in API rate limit from the folks at Strava, so that helps too. Please let me know if you see things that are broken; my work has been on the sync scripts and I have not done a whole lot to validate that I didn’t accidentally break something in the web interface.

One thing you may notice right away is that the homepage doesn’t look quite so neat anymore. This is as a result of now supporting native Strava (not just Instagram) photos. Note: due to limitations in Strava API only primary/first non-Instagram photo will be added. Anyway, different cameras, different dimensions: not all perfect little squares like Instagram. I’m not going to worry much about the display just now, since I think we need to rethink how we do photos anyway.

… Plus, with the work @chris_s is doing on heatmaps, we might want to give some of the homepage realestate to mapping. So, yeah, heatmaps are gonna happen. I’ve got the backend storing all the GPS tracks and Chris is doing the lifting on the frontend side.

What does this mean for privacy? Good question. We don’t store GPS tracks for rides marked “private”. If you did not give the application access to read “private” data then it also will respect any privacy zones. If you /did/ give the application access to private data, then it will ignore your privacy zones. However, we are also not associating GPS tracks with individuals. The plan is to build heatmaps for teams — and probably one or more overview heatmaps. I’m not saying someone couldn’t narrow down lines on a team heatmap to an individual based on other data, but we’re at least thinking about this. If you’re worried about the privacy, then I would recommend changing your authorization to not allow the app to read private data. (Yes, then you’ll lose points for any activities marked private; that’s the price.)
[*] We only support the primary/first photo when you use Strava directly to host the images (i.e. not Instagram). This is due to the fact that their API only returns the full photo list for Instagram photos. Not sure if it’s really broken or just misdocumented, but it does not work as advertised.

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