[Qgis-user] line to polygon problem

[Gerardo Jimenez]

The method described by Carlos works smoothly

Gerardo Jiménez Delgado
Instituto de Investigaciones Antropológicas
Universidad Nacional Autónoma de México
Ciudad Universitaria s/n
Coyoacan 04510
Mexico City
Mexico

56 22 95 16

Date: Mon, 15 Jul 2013 10:41:36 -0500
From: sig.upagu at gmail.com
To: tudorbarascu at yahoo.com
CC: qgis-user at lists.osgeo.org
Subject: Re: [Qgis-user] line to polygon problem

Hi Tudor

Something is wrong with single_line_to_polygon layer, it's not editable. 

I got the polygon from several_lines_to_polygon layer:


1. Turn this layer editable
2. Select all the lines
3. Edit --> Combine selected spatial objects
4. Save and turn off edition
5. Use Vectorial --> Geometry tools --> Lines to poligons. Use the combined several_lines_to_polygon layer.

6. You have the polygon that you are looking for.

Good luck

Carlos Cerdán








2013/7/14 Tudor Barascu <tudorbarascu at yahoo.com>


Hi everyone,
It seems I have found a bug as I tried to create polygons  from lines in Qgis 1.8 and 1.9 master and it doesn't work.
I have used the same data on another computer and the problem persists.
The tool works for other data sets but not on this one. I first thought it was a data set problem but I checked for geometry &
 topology errors and I couldn't find anything. Moreover, It worked in ArcGIS. I have attached the lines shapefile data in a small zip file.
Can anyone else replicate it and maybe shade a light on it?
All the best,Tudor Barascu


https://www.dropbox.com/s/aylwcrlgfwfqm9m/Qgis%20problem.zip

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