[Imports] Mass Bus Data

Metcalf, Calvin (DOT) calvin.metcalf at state.ma.us
Fri Aug 12 18:03:05 BST 2011

I'm getting ready to upload the bus data.
It seems some people already started putting in some bus data (there are 109 that look to overlap my data), is there a way to update/delete these/make them invisible? While some of them look to just be out dated dumps from massgis others look to have work put in.   (for reference there are 8057 stops that I'm about to upload)

From: Ian Dees [mailto:ian.dees at gmail.com]
Sent: Thursday, August 11, 2011 9:34 AM
To: Metcalf, Calvin
Subject: Re: [Imports] Massachusetts road data

Bus stops might be a good starting point, yep.

A little background on why we might seem reluctant to take your data: OSM doesn't have any good "merge" tools yet, so taking newer data and trying to mix it with existing OSM data is a monumental task. Adding/merging in point data like bus stops would be quite a bit easier than trying to handle vector data like roads and rivers/lakes (for example).

I think the best you can do right now is to make as much data available as you can in a format that is easily parseable (e.g. shapefiles or GeoTIFFs) and eventually one of us will figure out how to apply it to existing OSM data. Unfortunately the majority of the people that actually hack on OSM code are quite busy in real life, so it takes a long time :).

Thank you very much for offering all this data! It's great to have state agencies work with us.

On Thu, Aug 11, 2011 at 8:17 AM, Metcalf, Calvin (DOT) <calvin.metcalf at state.ma.us<mailto:calvin.metcalf at state.ma.us>> wrote:
So it was suggested that I start with something that isn't already up on osm to get my bearings, buses, specifically mbta bus stops, as the mbta (which is part of Massdot) has put out a pretty definitive bus layer and osm does not have very many stops up here.  Does that make sense?

From: Ian Dees [mailto:ian.dees at gmail.com<mailto:ian.dees at gmail.com>]
Sent: Saturday, August 06, 2011 10:17 AM
To: Metcalf, Calvin
Subject: Re: [Imports] Massachusetts road data

Hi Calvin,

Is it possible for you to send one of these files to me? Can you post it somewhere so I can poke at it?

If you already have an online map, can you post a link to it so we can see what interface it uses to grab the images?


On Sat, Aug 6, 2011 at 9:12 AM, Metcalf, Calvin (DOT) <calvin.metcalf at state.ma.us<mailto:calvin.metcalf at state.ma.us>> wrote:
For the ortho and obliques the bigest issue is getting them out of their current format, we actually already have an online map of them that was set up by a private company who didn't give us much documentation.  The files are stored with a .par extention which I havn't had too much luck finding documentation on.
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---Original Message---
From: "Frederik Ramm" <frederik at remote.org<mailto:frederik at remote.org>>
Sent: 8/6/2011 5:11 am
To: "Paul Norman" <penorman at mac.com<mailto:penorman at mac.com>>
Cc: "'Richard Weait'" <richard at weait.com<mailto:richard at weait.com>>, imports at openstreetmap.org<mailto:imports at openstreetmap.org>, "'OAM List'" <talk at openaerialmap.org<mailto:talk at openaerialmap.org>>
Subject: Re: [Imports] Massachusetts road data


Paul Norman wrote:
> 1. Host them with a WMS server
> 2. Host them using TMS (tiled slippymap images)
> 3. Offer them for download as GeoTIFF or MrSID


> Both 1 and 2 work with JOSM. I believe only TMS works with Potlach2, but I
> don't know as I don't use Potlach.

"3" works for JOSM too (ImportImage plugin) albeit with limitations
(image size etc.).

It is true that Potlatch doesn't do WMS natively but there are simple
and more elaborate (http://wiki.openstreetmap.org/wiki/Tirex) ways of
serving a WMS as tiles for consumption by Potlatch.


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