[Qgis-developer] [Qgis-user] Opinion on an idea for plugin - Print composer guide manager

[Olivier Dalang]

Hi !

Great initiative !

I agree about the need to be able to place guides precisely, but I'm not
sure if having a new panel in the print composer is the best way to
implement it from an UI point of view.

Composer Items all share the same coordinates input interface, maybe it
would be a good idea to use this same system for guides too. This would
mean to reimplement guides as a regular subclass of QgsComposerItem.

With this, we'd also win copy/paste, locking, etc...

I don't know if it's possible to subclass QgsComposerItem in python though
? (I always wondered but never tried)

Olivier




2014-06-11 14:30 GMT+02:00 Andreas Neumann <a.neumann at carto.net>:

> Hi,
>
> I agree - this should go into core in version 2.6 - guidelines that behave
> similar to known drawing apps like Inkscape/Illustrator and a guideline
> manager that allows to create, change and delete guidelines with exact
> values.
>
> Andreas
>
> Am 2014-06-11 13:24, schrieb Nyall Dawson:
>
>  Hi Alexandre,
>>
>> I agree that this would be a really useful feature - it's been on my
>> (lengthy!) to-do list for a while now. However, I think ideally this
>> should be implemented directly within QGIS, rather than as plug in.
>> I'm happy to work with you on this if you'd like guidance.
>>
>> Nyall
>>
>>
>> On 11 June 2014 21:20, Alexandre Neto <senhor.neto at gmail.com> wrote:
>>
>>> I have some difficulty in using print composers guides, not being able to
>>> precisely set their position. Normally I zoom in the map to a point that
>>> it
>>> really does not matter if it's the value is 10,0001 or 10,0002. But it
>>> feels
>>> weird doing it.
>>>
>>> My idea would be to create a plugin that would add a panel to print
>>> composer, listing all guides positions (along with the page number and
>>> vertical/horizontal reference).
>>>
>>> If needed, one could then precisely set each guide, add new guides, or
>>> remove existing ones.
>>>
>>> What do you thing? Would it be useful?
>>>
>>> Can anyone point me to API parts that I would need to check to complete
>>> this
>>> task?
>>>
>>> Thanks,
>>>
>>> Alexandre Neto
>>>
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