[OSM-dev] Auto adding attribution to image creation.

[Dave F]

On 06/08/2019 13:47, Tom Hughes wrote:
> On 06/08/2019 13:29, Dave F via dev wrote:
>>
>>
>> On 06/08/2019 12:26, Tom Hughes wrote:
>>> On 06/08/2019 12:04, Dave F via dev wrote:
>>>
>>>> A user has asked why the image creation tool under 'Share' couldn't 
>>>> automatically add an attribution. It would certainly save me a lot 
>>>> of email sending asking users to add it.
>>>
>>> If you mean the option 
>>
>> I'm surprised your confused. I thought I was perfectly clear.
>
> The "share" tool offers a number of options and I just wanted
> to be clear which one we were talking about.

I mentioned 'image' & I'm posting to the Development forum not Newbie.

>
>>> that gives you an image based on the
>>> default rendering then the answer is that all that option does
>>> is to to a custom render using mapnik, and that render has
>>> no way to add an attribution.
>>>
>>>> Would it be much coding effort?
>>>
>>> Yes.
>>>
>>> I mean you can certainly do it, but it means writing a whole
>>> bunch of code to work out what font size to use then render
>>> some text and overlay it on the mapnik generated image.
>>
>> There must be calculations performed to create the clipped image
>>   especially considering the Scale: option provided.
>> Inserting an image of the attribution into the corner of the map 
>> image at a defined percentage of its size can't add that much 
>> additional overheads,
>>
>> There are plenty of 'image stamper' programs on the market which do 
>> similar.
>
> The script is here:
>
> https://github.com/openstreetmap/chef/blob/master/cookbooks/tile/templates/default/export.erb 
>
>
> Patches are welcome.
>
> Make sure they work for all the output formats ;-)

Yeah, that's not really the answer, is it?

My OSM time is spent creating data for the OSM database. I then spend 
additional time updating & maintaining that data.

It a shame the creators of the main website are reluctant to do the same 
for their contributions. It's looking a bit tired & 'Win95ish'.

Cheers
DaveF