[Proj] Canada NTv2.0 grid shift files

Kristian Evers kristianevers at gmail.com
Mon Sep 17 11:08:20 EST 2018

> On 17 Sep 2018, at 17:01, Nicolas Cadieux <nicolas.cadieux at archeotec.ca> wrote:
> Hi,
> I see this will be added to the North-American package file.  Do you if these files are normally part of the QGIS distribution?  Wrong place to ask? I am just not sure how various software Libraries interact with each other.  If they are not usually added, I will write a ticket on the QGIS side to have the NTv2.0 file included.

As far as I am aware it is not. It is my hope that they will eventually make it so that users who need these packages can install them, i.e. as optional packages in OSGeo4W but so far that idea hasn’t really gained traction. Perhaps if enough users request it?

> Will it be possible to modify the info on the web site?  I see a previous answer by Don that has the correct web link.  Do you have a ticket system for the web site or are you still able to modify the site?

Yes. Feel free to submit a pull request with your changes. I believe this is the relevant file to edit: https://github.com/OSGeo/proj.4/blob/master/docs/source/resource_files.rst <https://github.com/OSGeo/proj.4/blob/master/docs/source/resource_files.rst> 

> Cheers!
> Nicolas
>> Le 16 sept. 2018 à 07:02, Mike Toews <mwtoews at gmail.com> a écrit :
>>> On Sun, 16 Sep 2018 at 19:48, Saulteau Don <sault.don at gmail.com> wrote:
>>> Yea, it's been licensed like that for a while now I thought and they are at http://open.canada.ca/data/en/dataset/b3534942-31ea-59cf-bcc3-f8dc4875081a without having to create and register an account at NRCAN to get them, unless they're different and I missed something. i put in the original request to make them open =)
>>> Not sure why they got placed under non-free. Maybe it's the liability clause that makes them non-free or not 'true' open data.
>> I probably added this information to the non-free section a decade
>> ago, back when it was on a Trac wiki. As the instructions note, at the
>> time you had to get a special log in to get the files. But now that it
>> has a more appealing license and no registration, it seems that these
>> files can be included for general distribution.
>> I've started a ticket here: https://github.com/OSGeo/proj-datumgrid/issues/26
>> Cheers,
>> Mike
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