[QGIS-trac] Re: [Quantum GIS] #1687: Measure tool is very wrong

Quantum GIS qgis at qgis.org
Tue May 12 17:11:32 EDT 2009


#1687: Measure tool is very wrong
-----------------------------------------------------+----------------------
        Reporter:  kwilliams4                        |         Owner:  nobody
            Type:  bug                               |        Status:  closed
        Priority:  major: does not work as expected  |     Milestone:        
       Component:  Build/Install                     |       Version:  1.0.0 
      Resolution:  fixed                             |      Keywords:        
Platform_version:                                    |      Platform:  Debian
        Must_fix:  No                                |   Status_info:  0     
-----------------------------------------------------+----------------------
Changes (by kwilliams4):

  * status:  new => closed
  * resolution:  => fixed

Comment:

 It appears that the Ubuntu repository ogr2ogr was not projecting the data
 properly (didn't read the source projection correctly) ruining the
 coordinates and not transforming the geometry.

 After discovering the projection problem, the measurement does indeed work
 properly, although I wish it compensated distance measurements for
 latitude like uDig does with this projection.  As-is, the measure tool now
 gives identical results to ArcMap - no corrections applied on projected
 coordinate systems.

 Thanks for the quick response.  I guess I should've noticed that bad
 projection immediately in hindsight.

-- 
Ticket URL: <https://trac.osgeo.org/qgis/ticket/1687#comment:2>
Quantum GIS <http://qgis.org>
Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats


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