#3161: different results by v.in.ogr --ui and vector import wizzard (data shift) ----------------------+--------------------------- Reporter: hellik | Owner: grass-dev@… Type: defect | Status: new Priority: blocker | Milestone: 7.2.0 Component: Vector | Version: svn-trunk Resolution: | Keywords: vector import CPU: x86-64 | Platform: MSWindows 7 ----------------------+---------------------------
Comment (by hellik): Replying to [comment:1 mmetz]: > > In this case the datum transformation parameters selected by GDAL are > {{{ > towgs : 577.326,90.129,463.919,5.137,1.474,5.297,2.4232 > }}} > which is similar but not equal to those used in your location > {{{ > towgs84 : 577.326,90.129,463.919,5.1366,1.4742,5.2970,2.4232 > }}} {{{ g.proj epsg=31287 datum_trans=-1 --- 1 Used in whole hermannskogel region towgs84=653.000,-212.000,449.000 Default 3-Parameter Transformation (May not be optimum for older datums; use this only if no more appropriate options are available.) --- 2 Used in Austria towgs84=577.326,90.129,463.919,5.1366,1.4742,5.2970,2.4232 Accuracy approx. 1.5m --- 3 Used in Czech Republic towgs84=570.8,85.7,462.8,4.998,1.587,5.261,3.56 --- 4 Used in Slovakia towgs84=485.021,169.465,483.839,7.786342,4.397554,4.102655,0 --- 5 Used in Slovenia towgs84=426.9,142.6,460.1,4.91,4.49,-12.42,17.1 }}} mmhh, g.proj gives slightly different +towgs84 parameters as you mention it for GDAL/OGR. {{{ System Info GRASS Version: 7.3.svn GRASS SVN revision: r69510 Build date: 2016-09-17 Build platform: x86_64-w64-mingw32 GDAL: 2.1.1 PROJ.4: 4.9.3 GEOS: 3.5.0 SQLite: 3.14.1 Python: 2.7.5 wxPython: 2.8.12.1 Platform: Windows-8-6.2.9200 (OSGeo4W) }}} -- Ticket URL: <https://trac.osgeo.org/grass/ticket/3161#comment:3> GRASS GIS <https://grass.osgeo.org> _______________________________________________ grass-dev mailing list grass-dev@lists.osgeo.org http://lists.osgeo.org/mailman/listinfo/grass-dev