[QGIS-trac] [Quantum GIS] #3746: Not recognizing Shapefile Projection

Quantum GIS qgis at qgis.org
Sat Apr 16 05:06:36 EDT 2011


#3746: Not recognizing Shapefile Projection
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   Reporter:  rmercer                           |              Owner:  nobody       
       Type:  bug                               |             Status:  new          
   Priority:  major: does not work as expected  |          Milestone:  Version 1.7.0
  Component:  Projection Support                |            Version:  1.6.0        
   Keywords:  Shapefile, Projection             |   Platform_version:  Win XP       
   Platform:  Windows                           |           Must_fix:  No           
Status_info:  0                                 |  
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 I am continually running into an error where I will load a shapefile with
 an existing, defined projection, into QGIS.  QGIS will not recognize the
 projection that is defined for that shapefile.  When you look at the
 properties for that layer, it shows the default lat/lon WGS 84 projection.
 To test this, I opened QGIS.  I specified the projection to be WGS 84, and
 enabled on the fly reprojection of layers.
 I then loaded in a shapefile with a defined projection of Albers Equal
 Area, NAD 83, from the California Teale Data Center.  Units are Meters
 When loaded, the shapefile appears the coordinate space of a dataset in
 meters, not in Lat/Lon as it should, given the defined projection.
 I have seen this bug brought up before, and it has either been fixed, or
 closed, or some workaround was created that basically creates a new
 projection file specifically for QGIS.
 Honestly, for software as far along as QGIS, it should be able to
 recognize a projection if it is already defined.  Not realizing that this
 was happening caused me to create a set of files that were wrong because I
 saved them to a new file, with a new projection.  Since the layer
 projection was not correct, the reprojection was even further off.

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Ticket URL: <https://trac.osgeo.org/qgis/ticket/3746>
Quantum GIS <http://qgis.org>
Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats


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