[QGIS-trac] Re: [Quantum GIS] #2093: Provide configuration options for new project (map) CRS and OTFR

[Quantum GIS]

#2093: Provide configuration options for new project (map) CRS and OTFR
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        Reporter:  marisn                            |         Owner:  nobody       
            Type:  enhancement                       |        Status:  new          
        Priority:  major: does not work as expected  |     Milestone:  Version 1.4.0
       Component:  Projection Support                |       Version:  HEAD         
      Resolution:                                    |      Keywords:  CRS OTFR     
Platform_version:                                    |      Platform:  All          
        Must_fix:  No                                |   Status_info:  0            
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Comment (by micha):

 The Global CRS setting is, as you said, to determine what to do with
 layers that lack a CRS. Enabling OTF doesn't really solve that problem, so
 perhaps it shouldn't be mixed into that section of the CRS tab.

 How about this suggestion:[[BR]]

 1- Leave the three "When a new layer is loaded..." as is[[BR]]

 2- Below that section add a checkbox: "Always use this global CRS for new
 projects.[[BR]]

 3- And another checkbox: "Always enable on-the-fly projection". [[BR]]


 So setting these two options would work best for users that are usually in
 one particular CRS. It would also keep the user in her popular CRS even if
 she happened to first load some layer in a different CRS (solve the
 "ArcGIS mode" problem). The only cases where this might be a cause for
 confusion are:
    *  loading raster layers in a different CRS.
    *  a need to change units (this is "locked" when OTF is enabled)

 Users that need to switch between different CRS might also want an option
 to:  "Always prompt for project CRS"  (i.e. "GRASS mode") so that each
 Cntl-N will first pop-up a window asking which CRS for the new project. So
 #2 above might be a choice between two options: "Always use Global CRS",
 or "Always prompt".[[BR]]

 But I think this should still be separate from the choice of what to do
 with layers that lack a CRS definition.

 Regards,
 Micha

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Ticket URL: <http://trac.osgeo.org/qgis/ticket/2093#comment:4>
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