[HOT] [OSM-talk] Fw: Disaster Preparedness Project

Joseph Reeves iknowjoseph at gmail.com
Tue Jun 7 15:58:36 BST 2011


OT, I know, but I would love to see the same thing available as Kindle
friendly pdf (or native ebook format) download. I recently drove
around France for a weekend wishing that my atlas was Open, offline
and on my ebook reader.

Cheers, Joseph



On 7 June 2011 07:51, Samuel Mandell <shmandell at gmail.com> wrote:
> Essentially what I'm looking for is the ability to produce a Thomas-Guide
> style maps book where a city is broken into printable pages (e.g. A6) and at
> the back would be an index of streets with corresponding page and x/y axis
> information.
> As mentioned before it would be ideal if this could be automated so that all
> it would need is a city and it would produce the pages. Anybody interested
> in helping create such a system?
> -Samuel
> On Mon, Jun 6, 2011 at 4:10 PM, Dane Springmeyer <dane at dbsgeo.com> wrote:
>>
>> Samuel,
>> It seems to me like rendering the actual pages would be easier (than
>> actually rendering a large image, then chopping). This should also give
>> better results because the scales of things like text and lines would look
>> better.
>> So, the way I would approach this would be to determine the size and
>> extents of each map for each page (ideally automatically). Then render each
>> one with Mapnik. So, your ingredients would be a width and height in pixels,
>> and bounding box for each page. Then write a python script to loop over
>> every page and render a map using an OSM stylesheet.
>> If you don't have python scripts skills then we can think of alternatives,
>> but that would be my first recommendation. Mike Migurski, also author of
>> safety maps, has done this with Mapnik for printed bike maps of SF, so he
>> could likely advise.
>> On Jun 6, 2011, at 3:03 PM, Mikel Maron wrote:
>>
>> Folks, what did we have in place to produce map books?
>>
>>
>> Making mapbooks easier to script, via python, with Mapnik has long been a
>> goal of mine.
>> But I've not really gotten past proof of concept. One usecase is making a
>> map of every "feature" in a dataset that meets some criteria. I wrote a
>> script a while ago that demonstrates how to do that with mapnik by querying
>> all countries over a given population and them rendering a map for each,
>> while painting a special outline over their border. Code is
>> here: http://mapnik-utils.googlecode.com/svn/example_code/map_sequences/ and
>> an animated gif to demonstrate what is done is here:
>> http://dbsgeo.com/tmp/mapnik_animated.gif
>>
>> Can Mapsomatic easily be modified for different formats/scales?
>>
>> It can be done but I've found that hacking around in MapOsMatic requires a
>> lot of patience and pretty high python/cairo skill level.
>>
>> http://www.safety-maps.org/ was a recent project to do something similar.
>> I know the developers would be interested to hear more ideas how to make it
>> useful.
>>
>> safety-maps are awesome.
>>
>>
>> == Mikel Maron ==
>> +14152835207 @mikel s:mikelmaron
>>
>> ----- Forwarded Message ----
>> From: Richard Weait <richard at weait.com>
>> To: Samuel Mandell <shmandell at gmail.com>
>> Cc: talk at openstreetmap.org
>> Sent: Mon, June 6, 2011 4:16:08 PM
>> Subject: Re: [OSM-talk] Disaster Preparedness Project
>>
>> On Fri, Jun 3, 2011 at 8:12 PM, Samuel Mandell <shmandell at gmail.com>
>> wrote:
>> > I'm designing a project whose goal is to prepare folks in my community
>> > for
>> > disasters. An essential part of any disaster kit are maps of the local
>> > area
>> > so that when electricity has gone out people can still navigate to
>> > specific
>> > areas of the city (for instance to get supplies or medical help).
>> > OpenStreetMap has comprehensive map data for my area (the San Francisco
>> > Bay
>> > Area) and I'd like to use the mapping data to create maps for the
>> > various
>> > cities to hand-out to residents. Since I'd need detailed (1:4800) of an
>> > entire city I haven't been able to use the export tool since it seems to
>> > have some built in limits to how large of an image it will generate
>> > (which
>> > makes sense). For Mountain View, CA the image size we'd want to generate
>> > is
>> > around 9409 x 11310 with a 1:4800 scale, in other words, very large. We
>> > would then cut this into smaller squares and print it out in a booklet
>> > with
>> > attribution to OpenStreetMap for the data and visuals.
>> > What's the best way for us to generate these detailed maps of the
>> > various
>> > cities?
>>
>> Well that sounds awesome.
>>
>> You might try downloading an extract of OSM data for that area.  You
>> should be able to find an extract that deals with California, or the
>> US West.  That way you don't have to deal with an entire planet full
>> of data.  Then use Mapnik or one of the other rendering tools to
>> generate your map.  You'll likely want to adjust the style sheet to
>> make it just right for emergency awareness.
>>
>> There is a company in SF area experienced in printing high resolution
>> maps from OSM data. Perhaps they'll do it for you for free since it is
>> such a worthy project?
>>
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