[QGIS-trac] [Quantum GIS] #2450: Simplify tool segfaults if OTFR is enabled

[Quantum GIS]

#2450: Simplify tool segfaults if OTFR is enabled
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   Reporter:  marisn                                     |              Owner:  nobody       
       Type:  bug                                        |             Status:  new          
   Priority:  critical: causes crash or data corruption  |          Milestone:  Version 1.5.0
  Component:  Digitising                                 |            Version:  HEAD         
   Keywords:                                             |   Platform_version:               
   Platform:  Gentoo                                     |           Must_fix:  No           
Status_info:  0                                          |  
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 I used following dance to make it crash:
  * Add raster layer with CRS1;
  * Enable OTFR and set project CRS to be CRS1;
  * Add Shapefile with CRS2;
  * Enable editing for shapefile and draw a line;
  * Choose "Simplify" tool and click on that new line;
  * ka-BOOM! (see attached full backtrace for trunk r12951M)

 Same issue was reported by 15 students running QGIS-1.4.0 on WindowsXP.
 (Frequent crashes where a nice addon to lab works :(

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Ticket URL: <http://trac.osgeo.org/qgis/ticket/2450>
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