[Proj] Canada NTv2.0 grid shift files
Nicolas Cadieux
nicolas.cadieux at archeotec.ca
Sun Sep 16 10:23:55 EST 2018
Hi,
The old license was more restrictive so I guess that was the reason. I see a ticket has been made to include them in the future.
Thanks for responding.
Nicolas
> Le 16 sept. 2018 à 03:45, Saulteau Don <sault.don at gmail.com> a écrit :
>
> 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.
>
>
>
>
>
>> On Thu, Sep 13, 2018 at 11:59 AM Nicolas Cadieux <nicolas.cadieux at archeotec.ca> wrote:
>> Hi,
>>
>> According to your web site (see below) Canada’s NTv2.0 grid shift files are considered non-free Grids. I have recently been in contact with NRCAN regarding this fact and they have confirm that the license of the file is now considered Open under Canada’s Open Data license.
>>
>> https://open.canada.ca/en/open-government-licence-canada
>>
>> We are now “... free to Copy, modify, publish, translate, adapt, distribute or otherwise use the Information in any medium, mode or format for any lawful purpose.”
>>
>> I am there proposing that Canada’s outdated NTv1.0 file should be removed from the proj packages and be replaced by the NTv2.0 grids. I can provide the new license, the contacts at NRCAN, if needed, and the latest NTv2.0 file in order to facilitate the proposed changes.
>>
>> If you are responsible for this part of the project or if there is a more formal way of asking this change, please contact me directly.
>>
>> Thanks,
>> Nicolas Cadieux
>>
>> Btw, the link below for the file no longer works. I will provide a new link if needed during a transition period.
>>
>>
>> https://proj4.org/resource_files.html
>> “Non-Free Grids
>>
>> Not all grid shift files have licensing that allows them to be freely distributed, but can be obtained by users through free and legal methods.
>>
>> Canada NTv2.0
>>
>> Although NTv1 grid shifts are provided freely with PROJ, the higher-quality NTv2.0 file needs to be downloaded from Natural Resources Canada. More info: http://www.geod.nrcan.gc.ca/tools-outils/ntv2_e.php.”
>>
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