[Qgis-developer] Proposal for new features selection functionalities in Attributes Tool Bar

[Frédéric Jacon]

Dear all,

We would like to have your feedbacks on our proposition to add new
selection functionnalities in the attributes Tool Bar.

These functions come from the 'SELECTPLUSFR' extensions, developed by
Christophe
MASSE (french Ministry of Ecology) and available here :

http://plugins.qgis.org/plugins/selectplus/

 Originally 'SELECTPLUS' is a collection of tools for selecting objects on
vectors historically developed by Barry Rowlingson and supplemented by
Carson JQ Farmer.

 *Proposal 1* : Add the possibility for the user to make selection on :

   - Active layer (see the window control layers QGIS) or
   - All layers or
   - first layer ( layer "highest" in the order of layers) or
   - first content selection (search for all layers and stops at the first
   layer that returns a selection ).

A combo list will be added with these 4 options.

*Proposal 2* : Add two functions in the existing combo list (Select single
feature, Select features by rectangle, …) :

   - Select all features,
   - Select features by diameters : similar to the select features by
   radius functionality,

 *Proposal 3* : Add a new tool called “Invert selection” which would simply
select all features that are not presently selected and unselect the
previously selected features.

 *Proposal 4* : Add a new tool that would allow user to choose the operator
used for selection. In fact, when QGIS is only using “intersects”,
SELECTPLUSFR plugin provides the possibility to choose among these other
operators :


   -

   Within
   -

   Overlaps
   -

   Contains
   -

   Crosses
   -

   Disjoint
   -

   Equals
   -

   Touches
   -

   DE-9IM operator

 For DE-9IM operator, the user can define the mask to be used.


If this proposal gets your attention and interest, we could be able to work
on it for the version after 2.4.

All feedbacks welcome !

Thanks !

-- 
Frédéric Jacon
Responsable d'agence - Chef de projets
Camptocamp France
Savoie Technolac
BP 352
48 avenue du Lac du Bourget
73372 Le Bourget du Lac, Cedex
www.camptocamp.com

+33 614 71 28 24 (mobile)
+33 479 26 57 97 (direct France)
+41 21 619 10 44 (direct Suisse)
+33 479 44 44 94 (standard)
+33 479 70 15 81 (fax)
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