[Qgis-developer] [QGIS-UX] Fwd: Re: Renaming Save Style -> Save Properties (Vector layer dialog)

Zoltan Szecsei zoltans at geograph.co.za
Sun Mar 2 06:59:11 PST 2014

I have cross-posted to ux and developer, because this conversation seems 
to be running on both lists.Perhaps someone shopuld pull it from one of 
the lists?
Your call, but see my bottom-posted thoughts:

On 2014/03/02 16:25, Anita Graser wrote:
> ------- Weitergeleitete Nachricht -------
> Von: "Nathan Woodrow" <madmanwoo at gmail.com>
> An: "Andreas Neumann" <a.neumann at carto.net>
> Kopie: "qgis-developer at lists.osgeo.org" <qgis-developer at lists.osgeo.org>
> Betreff: Re: [Qgis-developer] Renaming Save Style -> Save Properties 
> (Vector layer dialog)
> Datum: Sun, 02 Mar 2014 12:58:39 +0100
> Andreas,
> Something like this is what I was thinking. (With a better UI of course)
> http://i.imgur.com/2XbNqlp.png
> - Nathan
> On Sun, Mar 2, 2014 at 9:45 PM, Nathan Woodrow <madmanwoo at gmail.com> 
> wrote:
>> Hey Andreas,
>> I'm not 100% yet.    I'm not sure what it is but I really hate the 
>> Load Style../Save Style buttons at the bottom of the dialog.  I was 
>> thinking a >new page in the properties dialog would be better with 
>> the title Import/Export.  For me this would mean not having a open 
>> another dialog, >which I really don't like the idea of, and we have 
>> more room to play with.
>>> One of my goals is to be able to export just the style part in order 
>>> to expand the Style Manager to handle prebuilt styles.  I was 
>>> planning on >adding some Save and Load buttons on the style tab that 
>>> would just load the style information from the .qml file.
Please consider this methodolgy:
Currently, when QGIS loads a map layer, certain default things happen: 
Styles get assigned, etc etc.
As a maplayer is loaded (or perhaps only when the user changes something 
(like style)), QGIS should dump a [maplayername].qgis file, text format, 
perhaps keyword-value layout, into the directory that the map is stored. 
This file will then contain all the internal QGIS defaults, and of 
course updates to the current (style ) status, as the user changes them.
The benefits of using this implementation scheme could be vast:

  * For deployment purposes, users could create/edit this file outside
    of QGIS
  * QGIS Dev could implement a methodology whereby user scripts could
    read and write to this maplayer specific file - for example: map
    production information whilst capture staff are creating features.
  * This file could even be designed to live at the project level, and
    at the user level - this way departmental level defaults could be
    set (deployed), and for those users who need it, these could be
    over-ridden by having that filename als local to the user, but with
    user specific values.
  * Should any of these filenames only have some of the default
    keyword-values, QGIS could look for the other defaults at higher
    filename level (ie project level if user-level does not exist), or
    as currently, at the internally stored default actions.

The above implementation strategy would not need a special "export" menu 
as the information would then always be stored in a user useable file.
If this file becomes corrupt or nonsensical, QGIS actions could revert 
to the default internal actions.

As time goes by, I reckon QGIS developers would find many more uses for 
this map-layer specific file mechanism, should it be available.

Hope I'm making sense.

Kind regards,


Zoltan Szecsei PrGISc [PGP0031]
Geograph (Pty) Ltd.
GIS and Photogrammetric Service

P.O. Box 7, Muizenberg 7950, South Africa.

Mobile: +27-83-6004028
Fax:    +27-86-6115323     www.geograph.co.za

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