<div dir="ltr">Try including the --debug flag when running the warp, I believe it will provide details on how the transformation was performed as well</div><div class="gmail_extra"><br><div class="gmail_quote">On 26 January 2017 at 21:04, Chris Waigl <span dir="ltr"><<a href="mailto:cwaigl@alaska.edu" target="_blank">cwaigl@alaska.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word">Hi Nicole,<div><br></div><div>I have not worked with this dataset or with these exact projections and can only speculate, but since no one takes a stab at it…</div><div><br></div><div><ul class="m_6357271361051511323MailOutline"><li>Have you tried experimenting with leaving out the -tr and/or -tap parameters? </li><li>My first thought was that it might be a problem with source or target datum, but that seems not so likely. Still, also EPSG:32232, which uses WGS 72. If you have rally old data it might be that.</li></ul><div><br></div></div><div>In any event, I’d advise inspecting the output of gdalinfo for both your target and your 2006 version. </div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Chris</div></font></span><div><span class="HOEnZb"><font color="#888888"><br><div>
<span class="m_6357271361051511323Apple-style-span" style="border-collapse:separate;font-variant-ligatures:normal;font-variant-numeric:normal;font-variant-alternates:normal;font-variant-east-asian:normal;line-height:normal;border-spacing:0px"><div style="word-wrap:break-word"><span class="m_6357271361051511323Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px"><div style="word-wrap:break-word"><span class="m_6357271361051511323Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px"><div style="word-wrap:break-word"><span class="m_6357271361051511323Apple-style-span" style="border-collapse:separate;color:rgb(0,0,0);font-family:Helvetica;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;border-spacing:0px"><div style="word-wrap:break-word"><div><span class="m_6357271361051511323Apple-style-span" style="font-family:monospace">-- </span></div><div><span class="m_6357271361051511323Apple-style-span" style="font-family:monospace">Christine (Chris) Waigl - <a href="mailto:cwaigl@alaska.edu" target="_blank">cwaigl@alaska.edu</a> -  <a href="tel:(907)%20474-5483" value="+19074745483" target="_blank">+1-907-474-5483</a> - Skype: cwaigl_work</span></div><div><span class="m_6357271361051511323Apple-style-span" style="font-family:monospace">Geophysical Institute, </span><span class="m_6357271361051511323Apple-style-span" style="font-family:monospace">UAF, </span><span class="m_6357271361051511323Apple-style-span" style="font-family:monospace">903 Koyukuk Drive, </span><span class="m_6357271361051511323Apple-style-span" style="font-family:monospace">Fairbanks, AK 99775-7320, USA</span></div><div><br></div></div></span><br class="m_6357271361051511323Apple-interchange-newline"></div></span><br class="m_6357271361051511323Apple-interchange-newline"></div></span><br class="m_6357271361051511323Apple-interchange-newline"></div></span><br class="m_6357271361051511323Apple-interchange-newline"><br class="m_6357271361051511323Apple-interchange-newline">
</div></font></span><div><div class="h5">
<br><div><blockquote type="cite"><div>On Jan 26, 2017, at 6:28 AM, Nicole Stoffels <<a href="mailto:stoffels@f2e.de" target="_blank">stoffels@f2e.de</a>> wrote:</div><br class="m_6357271361051511323Apple-interchange-newline"><div><div>Hi,<br><br>I am trying to reproject the CORINE 2012 dataset from LAEA (EPSG:3035) to UTM 32 (EPSG:32632). I use the following command:<br><br>$ gdalwarp -overwrite -s_srs EPSG:3035 -t_srs EPSG:32632 -tr 100 100 -tap -dstnodata '-9999' g100_clc12_V18_5.tif corine2012_utm32n_test.tif<br><br>In the past years my colleague used ArcGIS for this operation, but since we switched to Linux, I have to find a new solution. When I load the new dataset generated with gdalwarp to QGIS and compare it with the old 2006 version built in ArcGIS, I have an offset of approximately 15m south and 3m east for the single raster squares.<br><br>Now I am not sure if I simply forgot an important flag in my gdalwarp-command or if the problem simply lies within ArcGIS (my colleague used the standard options that were proposed).<br><br>Thank you for any ideas,<br><br>Nicole<br>______________________________<wbr>_________________<br>gdal-dev mailing list<br><a href="mailto:gdal-dev@lists.osgeo.org" target="_blank">gdal-dev@lists.osgeo.org</a><br><a href="https://lists.osgeo.org/mailman/listinfo/gdal-dev" target="_blank">https://lists.osgeo.org/<wbr>mailman/listinfo/gdal-dev</a></div></div></blockquote></div><br></div></div></div></div><br>______________________________<wbr>_________________<br>
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