[Talk-us] Civil War sites

john at jfeldredge.com john at jfeldredge.com
Mon Mar 28 15:36:20 BST 2011

I like this core+layers idea.  It would make it easier to render a series of overlays, for cases where one wanted to show changes over time.

-------Original Email-------
Subject :Re: [Talk-us] Civil War sites
From  :mailto:rwelty at averillpark.net
Date  :Mon Mar 28 09:29:59 America/Chicago 2011

On 3/28/11 10:21 AM, Jeffrey Ollie wrote:
> On Sat, Mar 26, 2011 at 4:57 PM, Richard Welty<rwelty at averillpark.net>  wrote:
>> i'm debating whether or not i want to set up a parallel database, using
>> the OSM design, to contain historical data that can be used in a mashup
>> with OSM, and opening it up for historically minded mappers to use as
>> a laboratory for experiments in how one would tag this stuff.
> Actually, what might be really interesting is having a wikispaces type
> hosting environment where anyone could set up a separate OSM instance
> with a separate database, rails port, mapnik rendering with a custom
> stylesheet etc.
i was thinking this could also be a model for how to do things like
a separate boundary database, etc. i've long thought that some of the
issues we argue about would be made much simpler if we had a
core + layers model.
> This would be interesting to map historic data that's not appropriate
> for the main OSM database (for example, one OSM-space per
> battlefield), or to experiment with nonstandard tagging, or to create
> maps with non-OSM compatible licenses (although I would discourage the
> latter).
we should try one or two of these to get a better sense of what a
common solution ought to look like.


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John F. Eldredge -- john at jfeldredge.com
"Reserve your right to think, for even to think wrongly is better than not to think at all." -- Hypatia of Alexandria

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