Hi Stefan, Thanks for taking the time reply. It did work the Sextante > Saga > Grid Tools > Reclassify Grid Values tool.
Thank you. -Leo On Fri, Aug 30, 2013 at 4:21 PM, <[email protected]> wrote: > Send Qgis-user mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > http://lists.osgeo.org/mailman/listinfo/qgis-user > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Qgis-user digest..." > > > Today's Topics: > > 1. Converting null(no data) to 0 (Leo Kris Palao) > 2. OSX - QGIS not loading Grass plugin (Graeme Merrall) > 3. How to show images of arster and vector files? (Yoshiaki Tsuzuki) > 4. Re: Converting null(no data) to 0 (skampus) > 5. Re: How to show images of arster and vector files? > (Alexandre Neto) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 30 Aug 2013 13:44:15 +0800 > From: Leo Kris Palao <[email protected]> > To: QGIS Mailing List <[email protected]>, [email protected] > Subject: [Qgis-user] Converting null(no data) to 0 > Message-ID: > < > camktv+2rizzbed107bkcry9kq_h+dox+tzkus1b+5ob5m5k...@mail.gmail.com> > Content-Type: text/plain; charset="iso-8859-1" > > Dear QGIS Community, > > Good Day! > > We are currently processing srtm_5 minutes resolution data for asia. We > have polygons (125 features) that covers 9 raster cells each. Our task is > to compute the average cell values using the zonal statistics plugin. In > our data we have negative values and NULL values; we managed to mask those > negative values using raster calculator -- our syntax is *srtm@1 > 0) * > srtm@1*. But we are having a problem dealing with the NULL values. We > tried > the raster > conversion > translate module and set the No Data value to 0. > It did convert the No Data to 0 values as indicated in the metadata. But > when we clicked on the pixels the value is -3.40282e+38. My observation > was, in the polygons where the pixel values are mix of actual elevation > values and -3.40282e+38, it creates inconsistency in the results. For > instance, we have a polygon that covers 9 cells -- the 7 cells contains > elevation values ranging from 4 to 4.59, and the other two cells have > values -3.40282e+38, the result was: *MEAN = -7.56182992530064e+22* and > *SUM > = -6.80564693277058e+22*. If the NULL values have been successfully > converted to 0 the result should be MEAN = 2.90103 and SUM = 26.10925. > > How can I do this properly. > > Thank you in advance for any suggestion and help. > > Thanks, > -Leo > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.osgeo.org/pipermail/qgis-user/attachments/20130830/6fff0796/attachment-0001.html > > > > ------------------------------ > > Message: 2 > Date: Fri, 30 Aug 2013 16:04:14 +1000 > From: Graeme Merrall <[email protected]> > To: [email protected] > Subject: [Qgis-user] OSX - QGIS not loading Grass plugin > Message-ID: > <CAG5_Ya0yc00m47Pe=VjNYZeRnsLX-f8LR1foZ= > [email protected]> > Content-Type: text/plain; charset="utf-8" > > I'm trying to get the Grass plugin to load in QGIS in OSX Mountain Lion. > > QGIS ver: 1.8.0 (kyngchaos) > Grass ver: 6.4 (kyngchaos) > GDAL ver: 1.10 (kyngchaos with Grass plugin) > Python: 2.7.2 > > The error I'm getting is: > Failed to load > /Applications/QGIS.app/Contents/MacOS/../PlugIns/qgis/libgrassplugin.so > (Reason: Cannot load library > /Applications/QGIS.app/Contents/MacOS/../PlugIns/qgis/libgrassplugin.so: > > (dlopen(/Applications/QGIS.app/Contents/MacOS/../PlugIns/qgis/libgrassplugin.so, > 5): Library not loaded: > /Applications/GRASS-6.4.app/Contents/MacOS/lib/libgrass_gis.6.4.2.dylib > Referenced from: > /Applications/QGIS.app/Contents/PlugIns/qgis/libgrassplugin.so > Reason: image not found)) > > Following errors include libgrassprovider and libgrassrasterprovider. > > >From from searching about I saw very old references to fftw install > (tried, > no joy) and tweaking your LD_LIBRARY_PATH. For LD_LIBRARY_PATH I exported > both the QGIS plugins dir and Grass lib dir and started QGIS from the > command line - still didn't work. > > Can anyone point out what's going wrong? > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.osgeo.org/pipermail/qgis-user/attachments/20130830/387a4dea/attachment-0001.html > > > > ------------------------------ > > Message: 3 > Date: Fri, 30 Aug 2013 07:11:21 +0000 > From: Yoshiaki Tsuzuki <[email protected]> > To: "[email protected]" <[email protected]> > Subject: [Qgis-user] How to show images of arster and vector files? > Message-ID: > <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Dear QGIS user ML > > I am trying to read datasets in the Queensland State, Australia. I could > open and show image of the DEM file by changing the file properties from > "no stretch" to "streatch to MinMax", however, I am struggling with other > raster and vector files. These files can be seen in the TOC, however, no > image in the map window. I look forward to your help. > > (1) Landcover data, raster > 03/06/2013 12:31 PM 17,020 Metadata_QLD_LANDCOV_2001_25M_X.htm > 03/06/2013 12:31 PM 22,285 Metadata_QLD_LANDCOV_2001_25M_X.xml > 03/06/2013 12:30 PM 6,150 QLD_LANDCOV_2001_25M_X.aux > 03/06/2013 12:30 PM 94 QLD_LANDCOV_2001_25M_X.tfw > 03/06/2013 12:30 PM 35,406,889 QLD_LANDCOV_2001_25M_X.tif > 29/08/2013 12:34 PM 6,435 QLD_LANDCOV_2001_25M_X.tif.aux.xml > 03/06/2013 12:31 PM 17,314 QLD_LANDCOV_2001_25M_X.tif.vat.dbf > > (2) Drainage area, vector > 21/12/2010 05:42 PM 127,924,762 IQ_QLD_DRAINAGE_25K.DAT > 03/12/2010 01:58 PM 152,186,318 IQ_QLD_DRAINAGE_25K.dbf > 21/12/2010 05:42 PM 8,822,384 IQ_QLD_DRAINAGE_25K.ID > 21/12/2010 05:42 PM 337,022,976 IQ_QLD_DRAINAGE_25K.MAP > 03/12/2010 01:59 PM 145 IQ_QLD_DRAINAGE_25K.prj > 30/08/2013 04:40 PM 16,369,060 IQ_QLD_DRAINAGE_25K.qix > 30/08/2013 04:43 PM 1,993 IQ_QLD_DRAINAGE_25K.qml > 09/12/2010 01:23 PM 18,276,732 IQ_QLD_DRAINAGE_25K.sbn > 09/12/2010 01:23 PM 193,716 IQ_QLD_DRAINAGE_25K.sbx > 03/12/2010 01:59 PM 681,175,604 IQ_QLD_DRAINAGE_25K.shp > 03/12/2010 02:02 PM 17,644,868 IQ_QLD_DRAINAGE_25K.shx > 21/12/2010 04:32 PM 247 IQ_QLD_DRAINAGE_25K.tab > 03/12/2010 02:03 PM 27,138 Metadata_IQ_QLD_DRAINAGE_25K.htm > 03/12/2010 02:03 PM 18,563 Metadata_IQ_QLD_DRAINAGE_25K.xml > > > Kind regards > Yoshi > > Yoshiaki Tsuzuki, Engineering, Architecture and Information Technology > (EAIT), The University of Queensland, St Lucia, QLD 4072, Australia > (Office) +61 (0)7 3365 3912: The number has been changed because of the > moving of office; (Mobile) +61 (0)410 230 355 > E-mail: [email protected]<mailto:[email protected]>; > [email protected]<mailto:[email protected]> > Homepage: http://sites.google.com/site/yoshiakitsuzuki/Home > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.osgeo.org/pipermail/qgis-user/attachments/20130830/0bd48b35/attachment-0001.html > > > > ------------------------------ > > Message: 4 > Date: Fri, 30 Aug 2013 01:16:50 -0700 (PDT) > From: skampus <[email protected]> > To: [email protected] > Subject: Re: [Qgis-user] Converting null(no data) to 0 > Message-ID: <[email protected]> > Content-Type: text/plain; charset=us-ascii > > you can reclassify null values by means of SEXTANTE > > QGIS 1.8 --> Analysis --> Sextante toolbox --> SAGA --> Grid Tools --> > Reclassify Grid Values > > QGIS dev --> Processing --> Toolbox --> Geoalgorithms --> Raster --> > Edition > --> Reclassify Grid Values > > it is the same function coming from SAGA. > > keep the values of all the cells and change only the cell values equal to > NULL > > s. > > > > -- > View this message in context: > http://osgeo-org.1560.x6.nabble.com/Converting-null-no-data-to-0-tp5075130p5075169.html > Sent from the Quantum GIS - User mailing list archive at Nabble.com. > > > ------------------------------ > > Message: 5 > Date: Fri, 30 Aug 2013 09:21:30 +0100 > From: Alexandre Neto <[email protected]> > To: Yoshiaki Tsuzuki <[email protected]> > Cc: "[email protected]" <[email protected]> > Subject: Re: [Qgis-user] How to show images of arster and vector > files? > Message-ID: > < > ca+h0g_h7m6brykgz0mykhh2gagcvmhbf3mk0tjmt5uzgf28...@mail.gmail.com> > Content-Type: text/plain; charset="windows-1252" > > Hello, > > Did you try, for each of your layers, do Right-click > Zoom to layer > extent? > > It might be a CRS problem. > > Alexandre Neto > > > On Fri, Aug 30, 2013 at 8:11 AM, Yoshiaki Tsuzuki <[email protected] > >wrote: > > > Dear QGIS user ML**** > > > > ** ** > > > > I am trying to read datasets in the Queensland State, Australia. I could > > open and show image of the DEM file by changing the file properties from > > ?no stretch? to ?streatch to MinMax?, however, I am struggling with other > > raster and vector files. These files can be seen in the TOC, however, no > > image in the map window. I look forward to your help.**** > > > > ** ** > > > > (1) Landcover data, raster**** > > > > 03/06/2013 12:31 PM 17,020 > Metadata_QLD_LANDCOV_2001_25M_X.htm > > **** > > > > 03/06/2013 12:31 PM 22,285 > Metadata_QLD_LANDCOV_2001_25M_X.xml > > **** > > > > 03/06/2013 12:30 PM 6,150 QLD_LANDCOV_2001_25M_X.aux**** > > > > 03/06/2013 12:30 PM 94 QLD_LANDCOV_2001_25M_X.tfw**** > > > > 03/06/2013 12:30 PM 35,406,889 QLD_LANDCOV_2001_25M_X.tif**** > > > > 29/08/2013 12:34 PM 6,435 > QLD_LANDCOV_2001_25M_X.tif.aux.xml* > > *** > > > > 03/06/2013 12:31 PM 17,314 > QLD_LANDCOV_2001_25M_X.tif.vat.dbf* > > *** > > > > ** ** > > > > (2) Drainage area, vector**** > > > > 21/12/2010 05:42 PM 127,924,762 IQ_QLD_DRAINAGE_25K.DAT**** > > > > 03/12/2010 01:58 PM 152,186,318 IQ_QLD_DRAINAGE_25K.dbf**** > > > > 21/12/2010 05:42 PM 8,822,384 IQ_QLD_DRAINAGE_25K.ID**** > > > > 21/12/2010 05:42 PM 337,022,976 IQ_QLD_DRAINAGE_25K.MAP**** > > > > 03/12/2010 01:59 PM 145 IQ_QLD_DRAINAGE_25K.prj**** > > > > 30/08/2013 04:40 PM 16,369,060 IQ_QLD_DRAINAGE_25K.qix**** > > > > 30/08/2013 04:43 PM 1,993 IQ_QLD_DRAINAGE_25K.qml**** > > > > 09/12/2010 01:23 PM 18,276,732 IQ_QLD_DRAINAGE_25K.sbn**** > > > > 09/12/2010 01:23 PM 193,716 IQ_QLD_DRAINAGE_25K.sbx**** > > > > 03/12/2010 01:59 PM 681,175,604 IQ_QLD_DRAINAGE_25K.shp**** > > > > 03/12/2010 02:02 PM 17,644,868 IQ_QLD_DRAINAGE_25K.shx**** > > > > 21/12/2010 04:32 PM 247 IQ_QLD_DRAINAGE_25K.tab**** > > > > 03/12/2010 02:03 PM 27,138 > Metadata_IQ_QLD_DRAINAGE_25K.htm*** > > * > > > > 03/12/2010 02:03 PM 18,563 > Metadata_IQ_QLD_DRAINAGE_25K.xml*** > > * > > > > ** ** > > > > ** ** > > > > Kind regards**** > > > > Yoshi**** > > > > ** ** > > > > Yoshiaki Tsuzuki, Engineering, Architecture and Information Technology > > (EAIT), The University of Queensland, St Lucia, QLD 4072, Australia**** > > > > (Office) +61 (0)7 3365 3912: The number has been changed because of the > > moving of office; (Mobile) +61 (0)410 230 355**** > > > > E-mail: [email protected]; [email protected]**** > > > > Homepage: http://sites.google.com/site/yoshiakitsuzuki/Home**** > > > > ** ** > > > > _______________________________________________ > > Qgis-user mailing list > > [email protected] > > http://lists.osgeo.org/mailman/listinfo/qgis-user > > > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.osgeo.org/pipermail/qgis-user/attachments/20130830/b7c1b7eb/attachment.html > > > > ------------------------------ > > _______________________________________________ > Qgis-user mailing list > [email protected] > http://lists.osgeo.org/mailman/listinfo/qgis-user > > End of Qgis-user Digest, Vol 90, Issue 71 > ***************************************** >
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