[QGIS-trac] Re: [Quantum GIS] #605: Building pyramids causes segfault

[Quantum GIS]

#605: Building pyramids causes segfault
--------------------------------------------------------------+-------------
        Reporter:  gsherman                                   |         Owner:  timlinux     
            Type:  defect                                     |        Status:  closed       
        Priority:  critical: causes crash or data corruption  |     Milestone:  Version 1.0.0
       Component:  Rasters                                    |       Version:  0.8          
      Resolution:  fixed                                      |      Keywords:               
Platform_version:                                             |      Platform:  All          
        Must_fix:  Yes                                        |   Status_info:  0            
--------------------------------------------------------------+-------------
Comment (by timlinux):

 Hi

 Its strange, because that message is propogated from GDAL as shown in the
 following snippet:

 1601   if (!res.isNull())
 1602   {
 1603     if (res == "ERROR_WRITE_ACCESS")
 1604     {
 1605       QMessageBox::warning(this, tr("Write access denied"),
 1606           tr("Write access denied. Adjust the file permissions and
 try again.\n\n") );
 1607     }
 1608     else if (res == "ERROR_WRITE_FORMAT")
 1609     {
 1610       QMessageBox::warning(this, tr("Building pyramids failed."),
 1611           tr("The file was not writeable. Some formats do not support
 pyramid overviews. Consult      the GDAL documentation if in doubt.") );
 1612     }
 1613     else if (res == "FAILED_NOT_SUPPORTED")
 1614     {
 1615       QMessageBox::warning(this, tr("Building pyramids failed."),
 1616           tr("Building pyramid overviews is not supported on this
 type of raster.") );
 1617     }
 1618   }


 If gdal reports an error my feeling is that we should report it. Perhaps I
 will just add a message saying that the warning can be ignored if building
 external overviews and the dir is writable.

 Regards

 Tim

-- 
Ticket URL: <https://trac.osgeo.org/qgis/ticket/605#comment:13>
Quantum GIS <http://qgis.org>
Quantum GIS is an Open Source GIS viewer/editor supporting OGR, PostGIS, and GRASS formats