[TCMUG] Best processes for visualizing large datasets?

Dan Little theduckylittle at gmail.com
Mon May 8 05:33:03 PDT 2017


Depending on the size of data and the analysis needed (and the
responsiveness) you are probably still money ahead with a VPS (Amazon,
DigitalOcean) with MapServer and PostGIS installed on it.

In terms of covering your requirements:
1. "Connect with Dynamic Data Services".  I wouldn't touch that as a
contractor with a 10 foot pole without a lot more spec.  Sorry, can't be
super helpful there.
2. Generate Vector Tiles - PostGIS can do this natively now.
3. Create dynamic charts/graphs.  Sounds like you'll want a small query
engine that can kick back JSON of whatever.  Then you can feed that to D3
(which is still reasonably trendy).
4. 3D map rendering.  I still don't get the appeal here other than oohs and
aahs but it's a personal bias.  Cesium, I think, is your most practical
choice at this point.

Anywho, HTH,

-Duck

On Sun, May 7, 2017 at 4:05 PM, Jennifer Strahan <strahanjen at gmail.com>
wrote:

> I've been out of the loop for the past few years, staying home with my now
> 2 year old and am  trying to get back up to speed on best practices for
> visualizing and interacting with large datasets (eg. Twin Cities parcels,
> Foursquare data, etc.).  I'm working with a local consulting group that
> does a lot of site selection analysis and similar projects.
>
> I've been asked to give some recommendations on server requirements and
> technology approach and wonder if you all might have some suggestions.
>
> Our requirements are:
> 1.  Ability to connect with dynamic data sources
> 2.  Generate vector tiles
> 3.  Create dynamic charts/graphs - using tools such as d3 (or whatever is
> preferred these days)
> 4.  3D map rendering
>
> I started playing with MapBox and looks like we can do a lot with it, but
> it doesn't offer everything we need and seems like it could get expensive.
> I also wonder if I should play with Carto.  In the past, I've worked with
> PostGIS, MapServer, Tilestache and had access to a server that was managed
> by an admin person.  I'm wondering if I should recommend that they get a
> server with the open source stack installed, or if we should rely on
> services.  If a server is recommended, are there packages that make it easy
> to install and manage software updates?
>
> Would love to hear your suggestions!
>
> Thanks,
> Jennifer
>
>
>
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