[josm-dev] Find bus stops along a way

[Jo]

I'm using Overpass already, but I'll probably add that I want 100m around
all the nodes involved, so everything can be downloaded in one go, before I
start.

Thanks,

Jo


2012/11/8 Paul Hartmann <phaaurlt at googlemail.com>

> On 11/08/2012 08:51 AM, Maarten Deen wrote:
>
>> On 2012-11-08 08:14, Jo wrote:
>>
>>> Hi,
>>>
>>> I want to find all bus stops along a side of the road. So I'm looking for
>>> functions in JOSM to:
>>>
>>> Define a rectangle a few meters to one side of the (section of a) road.
>>> Get all nodes within this rectangle as a list.
>>>
>>> or:
>>>
>>> Define a polygon with the way as one of its sides and a parallel way x
>>> meters away as another side.
>>> Get all nodes within this polygon as a list.
>>>
>>> I've been browsing through the source code, but I can't seem to find
>>> suitable functions to accomplish this.
>>>
>>
>> There is a plugin: download_along. It is rather crude, but effective.
>> You can download objects within 5000, 500 and 50 meters of one or more
>> selected objects, with a maximum area of 20, 10, 5 or 1 km^2 per request.
>> JOSM (the api) can only download rectangular areas (bbox) so it will
>> divide the area you request into these smaller areas to download.
>> Obviously you would want the lowest settings for your use. It will
>> download in multiple sets, but because it's all automated you can get
>> coffee while it's working.
>>
>> There are suggestions for API v0.7 to extend downloading to arbitrary
>> areas, but these seem to be centered on downloading objects that are
>> within an already existing structure, not arbitrary polygons. Not sure
>> it that would be difficult to program, but I'm adding it to the list at
>> <http://wiki.openstreetmap.**org/wiki/API_v0.7<http://wiki.openstreetmap.org/wiki/API_v0.7>
>> >
>>
>
> With Roland's Overpass API you can download Polygon areas [1], so it would
> be interesting, to combine those features:
>   * Add API for polygon download to mirrored_download plugin.
>   * In download_along plugin, check if mirrored_download is present and
> offer mirror option.
> I would expect considerable speed-up for the download.
>
> [1] <http://wiki.openstreetmap.**org/wiki/Overpass_API/**
> Overpass_QL#By_Polygon<http://wiki.openstreetmap.org/wiki/Overpass_API/Overpass_QL#By_Polygon>
> >
>
> Paul
>
>
> ______________________________**_________________
> josm-dev mailing list
> josm-dev at openstreetmap.org
> http://lists.openstreetmap.**org/listinfo/josm-dev<http://lists.openstreetmap.org/listinfo/josm-dev>
>