[Qgis-developer] Implementing project scales list

[Marco Hugentobler]

Hi Alexander

Ok, that sounds reasonable to me (new class in core directory). In that 
case, the new class has a similar role for scales as QgsTolerance has 
for snap distances.

>P.S. we can move this discussion do the developers list if necessary.

done.

Thanks,
Marco



Am 16.07.2012 10:28, schrieb Alexander Bruy:
> Hi Marco.
>
> 2012/7/16 Marco Hugentobler <marco.hugentobler at sourcepole.ch>:
>>> I'm working on feature #5561 "Project scale list" [0] and already
>>> implement almost all desired functionality.
>> Is the implementation similar to the patch which currently is attached to
>> the ticket?
> It uses same idea but with a little different implementation. First I implement
> ability to change global scale list from QGIS settings so user can enter
> preferred scales and always use them in all project. The second step is a
> project level scale list, which can override global settings.
>
> I just push this branch to my fork on GitHub here:
> https://github.com/alexbruy/Quantum-GIS/tree/project_scale
>
>>> Is it ok to create such class and where is better to place it? I think,
>>> it should go to core subdirectory
>> Could you explain the functionality of the scale manager class? If it is
>> just QgsProject::instance()->readListEntry() / writeEntry(), it might be
>> overkill to create a new class (but I guess there is more, I just did not
>> follow the ticket too closely).
> I already use QgsProject::instance()->readListEntry() / writeEntry() to read
> and write scale list defined per-project. But I also want to provide for users
> easy method to save scale list, move it to another PC (like connection
> settings or shortcuts) and then load this list as global or project.
>
> So this class will create separate XML (or even plain text) file from
> global/project
> scale list or populate global/project scale list from existing file.
>
> P.S. we can move this discussion do the developers list if necessary.
>
> Thanks for your time


-- 
Dr. Marco Hugentobler
Sourcepole -  Linux & Open Source Solutions
Weberstrasse 5, CH-8004 Zürich, Switzerland
marco.hugentobler at sourcepole.ch http://www.sourcepole.ch
Technical Advisor QGIS Project Steering Committee