Re: [gdal-dev] gdalbuildvrt 2.1.0 and off by 1 pixel display

2016-07-02 Thread Jed Frechette
Great. Thanks!   Original Message   From:even.roua...@spatialys.com Sent:July 1, 2016 15:50 To:jedfreche...@gmail.com Cc:gdal-dev@lists.osgeo.org Subject:Re: [gdal-dev] gdalbuildvrt 2.1.0 and off by 1 pixel display Le vendredi 01 juillet 2016 22:48:36, Jed Frechette a écrit : > On 2016-07-0

Re: [gdal-dev] gdalbuildvrt 2.1.0 and off by 1 pixel display

2016-07-01 Thread Even Rouault
Le vendredi 01 juillet 2016 22:48:36, Jed Frechette a écrit : > On 2016-07-01 1:51 PM, Even Rouault wrote: > > If read by GDAL < 2.1, those VRT files will > > exhibit possible one-off shift, since those older versions only read > > values as integers. Is it your case ? > > I see it in QGIS 2.14.3

Re: [gdal-dev] gdalbuildvrt 2.1.0 and off by 1 pixel display

2016-07-01 Thread Even Rouault
Le vendredi 01 juillet 2016 20:43:24, Jed Frechette a écrit : > Starting with version 2.1.0 I've started to see display errors in both > QGIS and ArcGIS for datasets built with gdalbuildvrt. In both cases, the > vrt data ends up offset by 1 pixel relative to the source files. This > offset is not c

[gdal-dev] gdalbuildvrt 2.1.0 and off by 1 pixel display

2016-07-01 Thread Jed Frechette
Starting with version 2.1.0 I've started to see display errors in both QGIS and ArcGIS for datasets built with gdalbuildvrt. In both cases, the vrt data ends up offset by 1 pixel relative to the source files. This offset is not consistent between applications or within the data set. My guess is th