Re: [Qgis-user] Vertex edits and selection

2007-07-31 Thread Tim Sutton

Hi John

Perhaps Marco has better info on this - at least it would be good to  
let him know about this as a feature request since he is working on  
more advenced editing functionality in a seperate branch in SVN.


Regards

Tim

Em 30/07/2007, às 15:39, John C. Tull escreveu:


Is there a way to select a series of vertices in qgis and delete just
those from a polygon? If I use the selection tool, the entire polygon
is selected. Am I missing an available tool for working with subsets
of vertices in polygons or lines?

Cheers,
John Tull
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Tim Sutton

QGIS Project Steering Committee Member - Release  Manager
Visit http://qgis.org for a great open source GIS

openModeller Desktop Developer
Visit http://openModeller.sf.net for a great open source ecological  
niche modelling tool


Home Page: http://tim.linfiniti.com
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Irc: timlinux on #qgis at freenode.net





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Re: [Qgis-user] Vertex edits and selection

2007-07-31 Thread Hernán De Angelis
I also believe it would be a cool feature of QGIS and that it would be
a good idea to consider for coming versions.


2007/7/31, Tim Sutton [EMAIL PROTECTED]:
 Hi John

 Perhaps Marco has better info on this - at least it would be good to let him
 know about this as a feature request since he is working on more advenced
 editing functionality in a seperate branch in SVN.

 Regards

 Tim


 Em 30/07/2007, às 15:39, John C. Tull escreveu:


 Is there a way to select a series of vertices in qgis and delete just
 those from a polygon? If I use the selection tool, the entire polygon
 is selected. Am I missing an available tool for working with subsets
 of vertices in polygons or lines?

 Cheers,
 John Tull
 ___
 Qgis-user mailing list
 Qgis-user@lists.qgis.org
 http://lists.qgis.org/cgi-bin/mailman/listinfo/qgis-user


 Tim Sutton

 QGIS Project Steering Committee Member - Release  Manager
 Visit http://qgis.org for a great open source GIS

 openModeller Desktop Developer
 Visit http://openModeller.sf.net for a great open source ecological niche
 modelling tool

 Home Page: http://tim.linfiniti.com
 Skype: timlinux
 Irc: timlinux on #qgis at freenode.net




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-- 

Hernán De Angelis
Linux user # 397217
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Re: [Qgis-user] Vertex edits and selection

2007-07-31 Thread Marco Hugentobler
Hi all,

Currently there is no selection tool for vertices in QGIS, only for features.
For the deletion of vertices, it is however possible to delete one vertex 
after the other with the 'delete vertex' tool. Is it a big advantage to 
select all the vertices first and delete them in one go? 

A problem however is that it is not possible to delete polygon rings or parts 
of multitypes (e.g. a polygon of a multipolygon). Therefore, it is planned to 
create a selection tool for editing as part of the advanced editing branch. 
I'm still not sure how that should exactly behave.

One possibility would be this:
Choose selection tool in editing toolbar and select vertices by dragging 
rectangle. If 'delete' button is clicked, all the selected vertices are 
deleted. QGIS detects if it is a whole feature or feature part and adapts 
feature geometry accordingly. 'Move vertex' would also act on selected 
vertices.

I'm open to other suggestions. Perhaps people who used other GIS software may 
know how it was solved there.

Best regards,
Marco




On Tuesday 31 July 2007 15:31:57 Hernán De Angelis wrote:
 I also believe it would be a cool feature of QGIS and that it would be
 a good idea to consider for coming versions.

 2007/7/31, Tim Sutton [EMAIL PROTECTED]:
  Hi John
 
  Perhaps Marco has better info on this - at least it would be good to let
  him know about this as a feature request since he is working on more
  advenced editing functionality in a seperate branch in SVN.
 
  Regards
 
  Tim
 
 
  Em 30/07/2007, às 15:39, John C. Tull escreveu:
 
 
  Is there a way to select a series of vertices in qgis and delete just
  those from a polygon? If I use the selection tool, the entire polygon
  is selected. Am I missing an available tool for working with subsets
  of vertices in polygons or lines?
 
  Cheers,
  John Tull

-- 
Dr. Marco Hugentobler
Institute of Cartography
ETH Zurich
Technical Advisor QGIS Project Steering Committee
[EMAIL PROTECTED]
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[Qgis-user] Vertex edits and selection

2007-07-30 Thread John C. Tull
Is there a way to select a series of vertices in qgis and delete just  
those from a polygon? If I use the selection tool, the entire polygon  
is selected. Am I missing an available tool for working with subsets  
of vertices in polygons or lines?

Cheers,
John Tull
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