[Talk-GB] 'Easy' Speciality Map Rendering

Peter Miller peter.miller at itoworld.com
Wed Feb 23 17:22:07 GMT 2011


Just to let you know that at ITO we are now very close to releasing a set of
specialist renderings which might meet your requirements. These views will
include:
*Power lines, generators, substations etc (lines colour-coded by voltage if
available)
*Road speed limits (colour coded by speed limit if available)
*Railways (colour coded by line type - mainline, subway, tram, light rail,
preserved, abandoned etc)
*Railway track width (1, 2 or multiple is available)
*School boundaries
*Car parks
* and more that may be suggested

ITO will manage all the data hosting, scripts and tile rendering. The
service will be available globally and the data will be updated daily.

Initially we will define the scripts to avoid to much rendering work for our
servers.  Our intention is to then release the 'scripting' to allow people
to create and publish their own scripts.



More details soon!



Regards,



Peter


On 22 February 2011 13:56, Tom Chance <tom at acrewoods.net> wrote:

> Graham,
>
>
> One thing you could usefully document – an in an easy-to-read, visual,
> engaging way rather than dense jargon-filled wiki pages – and publicise is
> how to use built-in support in OpenLayers. For example, it’s not all that
> hard to download some interesting data via XAPI (if it were a bit more
> reliable) and display it as a layer in an OpenLayers. A little bit of code
> can also provide a popup bubble containing the tags associated with the
> feature.
>
>
>
> This is a good deal easier than rendering a new set of map tiles.
>
>
>
> Here are a couple of examples:
>
> http://tomchance.dev.openstreetmap.org/trees.html
>
> http://tomchance.dev.openstreetmap.org/emptyshops.html
>
>
> If the data set isn't too large, this would work fine for maps of canals
> and locks as well.
>
>
> You can use CloudMade's style editor to create a suitable set of map tiles,
> too, if the default OpenStreetMap/OpenCycleMap/etc. tiles don't suit your
> needs.
>
>
>
> Tom
>
>
> On 22 February 2011 13:03, Graham Jones <grahamjones139 at gmail.com> wrote:
>
>> Hi Andy,
>> I will certainly have a look at that, thank you - I have not seen that
>> service.
>>
>> I am hoping to make this more than just a hosting service though.  This
>> has been reinforced by a couple of off-list converstations I have had where
>> there is a good chunk of making it easy for people to develop their own
>> styles (without the overhead of setting up a rendering tool-chain), and most
>> importantly providing straightforward documentation on how to do it.
>>
>> Maybe I should think a bit more about documentation first rather than
>> concentrating so much on code!
>>
>> Graham.
>>
>> On 22 February 2011 10:19, Andy Allan <gravitystorm at gmail.com> wrote:
>>
>>> On Mon, Feb 21, 2011 at 7:38 PM, Graham Jones <grahamjones139 at gmail.com>
>>> wrote:
>>>
>>> > I have put some thoughts on what this system would look like on my OSM
>>> user
>>> > page (
>>> http://wiki.openstreetmap.org/wiki/User:Grahamjones#Speciality_Maps).
>>> > My question is whether many people would find this useful?   Or has
>>> someone
>>> > already done it but I have not found it?
>>>
>>> The guys over at wikimedia do this with their toolserver (amongst
>>> other things) - producing both custom background layers and custom
>>> overlays. For example,
>>>
>>>
>>> http://toolserver.org/~osm/styles/?lat=52.49436&lon=13.28916&zoom=12&layers=0000F0FT0000F0FFFB000T
>>>
>>> ... is a black and white mapnik, with hillshading and power
>>> distribution overlays. Documentation is a bit sparse but there's some
>>> at
>>>
>>> https://wiki.toolserver.org/view/OpenStreetMap
>>>
>>> Anyone can develop a map style and ask to get it rendered. As part of
>>> the toolserver project many of the tools needed for this kind of thing
>>> were developed / used - e.g. hstore in osm2pgsql. You should certainly
>>> dig into what they are doing, what kind of hardware they are using and
>>> so on.
>>>
>>> Cheers,
>>> Andy
>>>
>>
>>
>>
>> --
>> Graham Jones
>> Hartlepool, UK.
>>
>>
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>>
>>
>
>
> --
> http://tom.acrewoods.net   http://twitter.com/tom_chance
>
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>
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