I just downloaded the latest version of qgis-dev from OSGeo4W (1.9.90-Alpha rev. f0f8a12) and it works great. Thank you Tim. Wonderful.
- John *********************************************** John Callahan, Research Scientist Delaware Geological Survey, University of Delaware URL: http://www.dgs.udel.edu ************************************************* On Sun, Nov 20, 2011 at 5:57 AM, Tim Sutton <[email protected]> wrote: > Hi > > On Sat, Nov 19, 2011 at 8:57 PM, John Callahan <[email protected]> > wrote: > > Does anyone has information on the progress of this ticket? From reading > > the comments on the the ticket, it looks as though there are some > > possibilities for enhancement. > > I use rasters regularly so this issue comes quite often. For one > particular > > 10GB DEM (in IMG format) it takes 7 or 8 minutes to calculate stats in > QGIS, > > which takes a while when it happens every time I open that file. Stats > have > > already been computed through gdalinfo. Thanks for any information. > > - John > > > > This should no longer be an issue with recent changes I made. Please see: > > http://hub.qgis.org/issues/3735 > > If you still get the issue, please let me know with detailed steps on > how to replicate. > > Thanks > > Tim > > > > > > > > > > On Thu, Apr 14, 2011 at 7:24 AM, Radim Blazek <[email protected]> > > wrote: > >> > >> New ticket http://trac.osgeo.org/qgis/ticket/3735 > >> > >> Radim > >> > >> On Mon, Mar 21, 2011 at 4:37 PM, John Callahan <[email protected]> > >> wrote: > >> > I'm not sure if this behavior is expected or I am missing something. > >> > > >> > I have a 1 band raster dataset (an elevation DEM) in TIF format. It > has > >> > statistics computed from "gdalinfo -stats mydata.tif" However, when > I > >> > open > >> > it in QGIS (both 1.6 and 1.7 trunk), and look at the Metadata tab in > >> > Layer > >> > properties, there are two sections that contain band stats > information. > >> > The > >> > first section is labeled "Band 1" and lists the same stats as found > >> > using > >> > gdalinfo. The second section is labeled "Band" and says "No stats > >> > collected > >> > yet" for band 1. QGIS has to create the stats when I apply a color > map > >> > or > >> > stretch. For large rasters, this takes a while, and must be done each > >> > time > >> > it's used in QGIS. > >> > > >> > Has anyone experienced this behavior? Is this expected? Is there a > way > >> > to > >> > let gdal compute all the stats that QGIS needs? Thanks. > >> > > >> > - John > >> > > >> > ************************************************** > >> > John Callahan, Research Scientist > >> > Delaware Geological Survey, University of Delaware > >> > URL: http://www.dgs.udel.edu > >> > ************************************************** > >> > > >> > _______________________________________________ > >> > Qgis-user mailing list > >> > [email protected] > >> > http://lists.osgeo.org/mailman/listinfo/qgis-user > >> > > >> > > > > > > > _______________________________________________ > > Qgis-user mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/qgis-user > > > > > > > > -- > Tim Sutton - QGIS Project Steering Committee Member (Release Manager) > ============================================== > Please do not email me off-list with technical > support questions. Using the lists will gain > more exposure for your issues and the knowledge > surrounding your issue will be shared with all. > > Visit http://linfiniti.com to find out about: > * QGIS programming and support services > * Mapserver and PostGIS based hosting plans > * FOSS Consulting Services > Skype: timlinux > Irc: timlinux on #qgis at freenode.net > ============================================== >
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