[Talk-ca] Canvec attributes (roads)

Martijn van Exel m at rtijn.org
Mon Sep 12 20:08:24 UTC 2016


Aren't these files grouped by feature type? So if we look at roads we
wouldn't also necessarily need to look at land use boundaries etc.? At
least that's what I am getting looking at
http://geogratis.gc.ca/api/en/nrcan-rncan/ess-sst/23387971-b6d3-4ded-a40b-c8e832b4ea08.html

--
  Martijn van Exel
  m at rtijn.org



On Sun, Sep 11, 2016, at 12:59, James wrote:
> Plus it would help identify which parts and canvec are actually needed
> vs importing a bunch of forests and hoping for some roads
>
> On Sep 11, 2016 2:48 PM, "John Marshall" <rps333 at gmail.com> wrote:
>> Great idea Martijn,
>> One of the big problems of OSM in Canada is there are many missing
>> road where there are no local mappers. Canada is very big. Any tools
>> to help map unmapped area of Canada gets a big +1 from me.
>> John
>> John Marshall
>>
>> On Sep 9, 2016 17:36, "Martijn van Exel" <m at rtijn.org> wrote:
>>> Hi all,
>>>
>>>  A few colleagues at Telenav and myself are looking at Canvec 2016.
>>>  Roads
>>>  specifically. I am sure some of you already have done that.
>>>  Something we
>>>  are looking into a workflow that is something like this
>>>  (simplified):
>>>
>>>  Canvec 2016 Shapefiles --> Conflation engine (Cygnus [1]) -->
>>>  Tasking
>>>  manager
>>>
>>>  The output of the conflation would be an OSM XML change file that
>>>  could
>>>  be (selectively) applied in JOSM. It would contain new / changed
>>>  ways as
>>>  well as some new or changed tags. All proposed updates would be
>>>  verified
>>>  manually (through tasking manager.)
>>>
>>>  What do you think about this idea?
>>>
>>>  The conflation engine takes OSM PBF as input, so the Canvec
>>>  shapefiles
>>>  would need to be translated (using ogr2osm). That would require an
>>>  ogr2osm translation file. I wonder if someone already did this?
>>>  (I am
>>>  using this [2] attribute list as reference.)
>>>
>>>  [1]https://www.openstreetmap.org/user/mvexel/diary/37808
>>>  [2]http://ftp.geogratis.gc.ca/pub/nrcan_rncan/vector/canvec/doc/CanVec_Catalogue_50K_Transport/SRDB_EXPL_ESSIM_50K_Transport-sd-en.html#div-1330009
>>>  --
>>>  Martijn van Exel
>>> m at rtijn.org
>>>
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