Hi Tim, I've just sent you some data to your linfiniti mailbox.
Thanks to follow up, Benoit On 01/11/2010 16:50, Tim Sutton wrote: > Hi > > > On Sun, Oct 31, 2010 at 10:54 AM, Benoit de Cabissole > <[email protected]> wrote: >> Hi Tim, >> >> Many thanks for fixing the problems [14381, 14387 & 14425]! >> >> But there is now another one popping up: >> >> When the data values in an one-band raster are real numbers and are >> negative/positive or are greater than 255 (?) the histogram curve does >> not display. The x- and y-axis correctly show the range of values but no >> curve is displayed. Furthermore, if data values are positive and >> negative, the histogram curve stops at 0: no curve over the negative values. >> >> >> It also looks like the number of bins is too small when the data range >> is small. I've got a raster with "real number" values between 0 and 5. >> The number of bins on that raster is only 6. This is far too coarse to >> be of any use. >> >> Do I open a ticket for those problems? > > Do you have a small sample dataset I can use to replicate the issue? > > Regards > > Tim > >> Cheers, >> Benoit >> >> >> >> >> On 18/10/2010 09:29, Benoit de Cabissole wrote: >>> Hi Tim, >>> >>> Just after upgrading to release 14390 the histogram function works like >>> a charm when I open *for the first time* the raster properties window. >>> Thank you! >>> >>> But, if I close the raster property window while in the histogram tab >>> and try to re-open it, QGIS crashes! >>> In fact I cannot open any raster properties window after that without >>> having QGIS crash... >>> I've edited the 'row' value in the RasterLayerProperties in the registry >>> to set it to 1 (from 6) and I can again use QGIS normally. >>> So it seems that the raster properties window bombs out QGIS if it opens >>> in the histogram tab (row=6). >>> >>> Can you reproduce this behaviour in Linux/Mac/Other win? >>> >>> I'm on WindowsXP in OSGeo4W. >>> >>> One comment: the stats are computed each time the histogram tab is >>> opened. For large raster it takes a long time to compute the histogram. >>> Would it be best to save the histogram somewhere and reuse it? >>> >>> Cheers, >>> Benoit >>> >>> >>> >>> On 17/10/2010 09:23, Tim Sutton wrote: >>>> Hi >>>> >>>> On Thu, Oct 14, 2010 at 9:51 AM, Benoit de Cabissole <[email protected]> >>>> wrote: >>>>> Hi, >>>>> >>>>> A) In release 14370 the histogram tab of the raster properties window >>>>> has a problem: >>>>> The histogram is not displayed the second time the 'histogram tab' is >>>>> clicked. >>>>> E.g.: >>>>> 1 - open the raster properties window >>>>> 2 - click on the histogram tab >>>>> 3 - histogram is computed and displayed >>>>> 4 - click on any other tab >>>>> 5 - click on the histogram tab again >>>>> 6 - blank screen!! >>>>> >>>>> On WinXP - OSGeo4W dev installation >>>>> Can someone replicate the problem? >>>>> >>>> This should be fixed now as of r14387. >>>> >>>> Regards >>>> >>>> Tim >>>> >>> _______________________________________________ >>> Qgis-developer mailing list >>> [email protected] >>> http://lists.osgeo.org/mailman/listinfo/qgis-developer >>> >> _______________________________________________ >> Qgis-developer mailing list >> [email protected] >> http://lists.osgeo.org/mailman/listinfo/qgis-developer >> > > _______________________________________________ Qgis-developer mailing list [email protected] http://lists.osgeo.org/mailman/listinfo/qgis-developer
