[Talk-ca] UBC, Vancouver orthography, and street alignment
penorman at mac.com
Sun Oct 31 19:02:54 GMT 2010
CanVec was what I aligned to. That and local knowledge - I know parts of UBC
extremely well, having been there for about 7-8 years.
If the Vancouver license isn't compatible with OSM the wiki should be edited
- it says it's acceptable as is.
From: samvekemans at gmail.com [mailto:samvekemans at gmail.com] On Behalf Of Sam
Sent: Sunday, October 31, 2010 6:25 AM
To: john whelan
Cc: Paul Norman; talk-ca at openstreetmap.org
Subject: Re: [Talk-ca] UBC, Vancouver orthography, and street alignment
were still waiting for OpenStreetMap to change it's licence :) lol...
but anyway, geocommons.com is a good temporary home for the p files :) and
having the data on standby just waiting to use used is helpfull.
On 10/31/10, john whelan <jwhelan0112 at gmail.com> wrote:
> I was under the impression that the City of Vancouver "Open" data
> along with Ottawa's and Calgary's wasn't quite open enough for OSM
> use. I assume you aligned with CANVEC data and merely visually
> confirmed it against Vancouver's data?
> I understand they were looking at changing the license, if you have
> any news on this I'd be grateful.
> Thanks John
> On 31 October 2010 00:18, Paul Norman <penorman at mac.com> wrote:
>> UBC in Vancouver has been suffering from issues of building
>> misalignment because the Yahoo orthography is misaligned with the
>> ground and suffers from distortion. The City of Vancouver offers
>> some mapping data  which can be used with OSM. I've taken 16 tiles
>> that cover most of UBC and corrected most of the streets to these as
>> these reflect the GPS traces, CanVec data, and my knowledge from
>> being a student. They are also high resolution, being listed as 40cm,
>> but I can easily make out smaller features.
>> I've also done some micro-mapping around the SUB, Buchanan, the Chan
>> Center and Rose garden, and down by CEME.
>> As the process to convert the .ecw files is a long and
>> computationally heavy one if anyone wants the resulting slippymap
>> which can be used with the JOSM slippymap plugin and is regularly at
>> UBC I could burn them onto a CD.
>> I also have all of Vancouver processing to make a slippymap, but it
>> has only been about 25 hours so it is not finished yet. If anyone
>> wants that, it'll take multiple DVDs. Of course, anyone could
>> recreate it from the downloaded files but anticipate gdal2tiles
>> taking about 30-40 hours on a good computer.
>> If anyone notices misaligned streets at UBC and isn't able to get the
>> Vancouver orthography working I'd appreciate knowing and I can align
>>  <http://data.vancouver.ca/datacatalogue/>
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