[Talk-ca] Import mess in southern Québec

Frank Steggink steggink at steggink.org
Sat Jan 16 06:02:14 GMT 2010


Regarding the area names: they are in the E00 files, and also in the 
generated pat.adf files, so it shouldn't be a problem to match them up 
with the numeric identifiers.

Frank

Frank Steggink wrote:
> Hi,
>
> Regarding government contacts: I believe Nicolas has contacts within the 
> government himself, so he might be in the best position to make some 
> inquiries. It would be wonderful if we could do something really useful 
> with it (i.e. importing in OSM).
>
> I've looked at the 1:1M data, and it is in E00 format. With some tools 
> (Import71 from ESRI and ogr2ogr) I was able to convert it to SHP, and 
> then I used shp-to-osm.jar to convert it to OSM files. So far I haven't 
> used any rules files, so I got the bare geometry. Maybe I haven't done 
> right in this quick test, but the OSM files don't contain areas, but 
> lines. Actually this is perfect for administrative boundaries. Any 
> administrative areas should be built up by relationships anyways.
>
> Regarding the accuracy, it was much better than I would expect because 
> of the scale. If there would be no alternative, this would certainly be 
> acceptable IMHO.
>
> One thing though: I couldn't find any names of the areas. The generated 
> DBF files only contain numeric identifiers. During the conversion to SHP 
> (through ArcInfo coverages) I got an error from ogr2ogr that it wasn't 
> able to convert integer lists to SHP. I don't know the data, so I also 
> don't know what data has been dropped. Maybe the identifiers of the area 
> to the left and right sides of each way...
>
> The Geoboutique site also has lots of other interesting data, like 
> orthophotos. Too bad they're expensive. $65 per file, and there are 
> thousands of them. However, we wouldn't "need" that data per se, but if 
> it would only be available to OSM for tracing purposes (like Yahoo), 
> that would already be very much appreciated :)
>
> Frank
>
> Sam Vekemans wrote:
>   
>> So Quebec (province) has not opened up their dataset yet?
>> Good to know.
>> Maybe after the NRCan data all gets imported, they might change their mind :)
>>
>> Does anyone have contact with the GIS department directly?
>>
>> Sam
>>
>> On 1/15/10, Pierre-Luc Beaudoin <pierre-luc at pierlux.com> wrote:
>>   
>>     
>>> On Fri, 2010-01-15 at 22:18 -0500, Pierre-Luc Beaudoin wrote:
>>>     
>>>       
>>>> We should get in touch with them so we can exchange datasets such as
>>>> Municipalités régionales de comté, City boundaries, counties and
>>>> administrative regions (at least).
>>>>       
>>>>         
>>> They do have the data (1/20 000) in vector format available for sale for
>>> 100$ + conversion rates of 7$ on http://geoboutique.mrnf.gouv.qc.ca .
>>> Past that, it's only a question of licences.
>>>
>>> Pierre-Luc
>>>
>>>     
>>>       
>>   
>>     
>
>
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>   





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