[QGIS-trac] [Quantum GIS] #3558: Points2One, one node cases

[Quantum GIS]

#3558: Points2One, one node cases
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   Reporter:  andskog                                    |              Owner:  goyodiaz     
       Type:  enhancement                                |             Status:  new          
   Priority:  critical: causes crash or data corruption  |          Milestone:  Version 1.7.0
  Component:  Python plugins and bindings                |            Version:               
   Keywords:  points2one input field                     |   Platform_version:               
   Platform:  All                                        |           Must_fix:  No           
Status_info:  0                                          |  
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 When running the Points2One plugin with "Create output features based on
 input field" set, it errors if the point input file contains records with
 an input field value that doesn't occur more than once. Logical, as it
 "Can't make a plyline out of 1 points". But how about just skipping this
 point and keep on with the processing? It is awkward to go back to the
 dataset, try locating the point and deleting it, or exporting the other
 records to a new dataset for p2o-processing, if you have lots of these
 points occuring in the dataset. Ideally, one might want to keep the point
 file with all the data, if such once-occuring values are not data errors,
 and have a line dataset connecting the points that are supposed to be
 connected, created by this very useful plugin!

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Ticket URL: <https://trac.osgeo.org/qgis/ticket/3558>
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Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats