[OHM] Demo timeslider on OHM vector tiles

[Dan Rademacher]

Hello OHM community!

I run a nonprofit geospatial web shop called GreenInfo Network
<https://www.greeninfo.org/>, and we’ve been working on a range of new
features and improvements to OHM. (Our team includes our own staff plus
Jeff Meyer and very active OSM-expert developers Seth Fitzsimmons
<https://wiki.openstreetmap.org/wiki/User:Mojodna> and Jim McAndrew
<https://www.openstreetmap.org/user/JimmyRocks>.)

Two of the most exciting new improvements are:

   1.

   Rendering vector tiles from the OHM planet, with regular updates (every
   5 minutes). This uses the OpenMapTiles stack.
   2.

   A new demo of a working time slider that filters the vector tiles,
   implemented to work as both a MB GL control and a Leaflet plugin.

We also have a near-complete version of the OHM stack running on AWS where
we have replaced the raster maptiles with GL, and where we plan to
implement this time slider soon.

But first we’d love to have you all take a look and give us feedback:

   -

   Demo in Mapbox GL
   <https://openhistoricalmap.github.io/openhistoricaltiles/mbgl-control-timeslider/>
   -

   Code for Mapbox GL
   <https://github.com/OpenHistoricalMap/openhistoricaltiles/tree/gh-pages/mbgl-control-timeslider>
   -

   Leaflet demo
   <https://openhistoricalmap.github.io/openhistoricaltiles/leaflet-control-mbgltimeslider/demo/>
   -

   Leaflet control code
   <https://github.com/OpenHistoricalMap/openhistoricaltiles/tree/gh-pages/leaflet-control-mbgltimeslider>

You can file issues in the GH repo here
<https://github.com/OpenHistoricalMap/openhistoricaltiles/issues>. For bug
reports, let us know which demo you are using (Mapbox vs Leaflet) and
details of browser. Screenshots are always helpful as well.

These maptiles are generated directly from the live OHM Planet and
associated diffs.

We are aware that a vector-only solution has limitations, and we have some
thoughts about how we can also provide raster tiles filtered by date, but
this implementation seemed like a good first step in making a usable slider
based on real OHM data.

Looking forward to your feedback.

Best,

Dan

-- 
*Dan Rademacher, Executive Director*
dan at greeninfo.org
Office: (510) 350-8700 x310. Mobile: (510) 928-7799
GreenInfo Network - Information and Mapping in the Public Interest
2201 Broadway, Suite M5, Oakland CA 94612

www.GreenInfo.org <http://www.greeninfo.org/>
Twitter: @greeninfo, @danrademacher
instagram.com/greeninfonetwork
Subscribe to MapLines, our e-newsletter, at www.GreenInfo.org
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/historic/attachments/20190430/613fb897/attachment.html>