<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div dir="ltr"></div><div dir="ltr">Hi,</div><div dir="ltr">Right clicking on the layer in the layer panel and changing the projection to the correct one should then fix the problem. Tell me if it’s still a problem and I will also look at the data.</div><div dir="ltr">Nicolas</div><div dir="ltr"><br>Le 22 mai 2019 à 03:34, <<a href="mailto:b.j.kobben@utwente.nl">b.j.kobben@utwente.nl</a>> <<a href="mailto:b.j.kobben@utwente.nl">b.j.kobben@utwente.nl</a>> a écrit :<br><br></div><blockquote type="cite"><div dir="ltr">
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif">Sorry to have to disagree with you, but there is something wrong with your data. If I load the "lineations_GDA94" it claims to be a projected data, and the units are
clearly meters (numbers like -42854769,3100060 in the coordinate readout). But if you check, you'd find that QGIS thinks the units are degrees:
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif"><image001.png></span><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-family:"Georgia",serif">Treating the meter cooridnates as degrees works as long as no reprojection is needed, but will mess up things when combining it with other data...<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">--<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Georgia",serif">Barend Köbben<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:12.0pt;font-family:"Georgia",serif"><o:p> </o:p></span></p>
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<p class="MsoNormal">On 22/05/2019, 05:54, "Qgis-user on behalf of Matt Boyd" <<a href="mailto:qgis-user-bounces@lists.osgeo.org">qgis-user-bounces@lists.osgeo.org</a> on behalf of
<a href="mailto:mattslists@gmail.com">mattslists@gmail.com</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Nicolas and Alexandre, <o:p></o:p></p>
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<p class="MsoNormal">I'm pretty sure that I've done as much as I can to make sure I haven't screwed up the projections. I used to make those mistakes years ago when I was first learning, lately the mistakes I've made are because I haven't been paying attention...
I'm pretty sure I'm paying attention this time.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This is a link to some data and a qgis file I'm using as an example<o:p></o:p></p>
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<p class="MsoNormal"><a href="https://unimelbcloud-my.sharepoint.com/:f:/g/personal/boydmc_student_unimelb_edu_au/EuUzfUvxA6NGmZOuYo8_fmkB0AvLldzBmXwq68mdwZvmcw?e=Ake4Qi">https://unimelbcloud-my.sharepoint.com/:f:/g/personal/boydmc_student_unimelb_edu_au/EuUzfUvxA6NGmZOuYo8_fmkB0AvLldzBmXwq68mdwZvmcw?e=Ake4Qi</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">lineations_MGA54_projected is the shapefile with the correctly projected information layer. - Known good data<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If I change to a geogrpahic / unprojected coordinate system, for example GDA94, this layer is not displayed and the canvas is blank.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">If I export the lineations_MGA54_projected data to a new file as unprojected GDA94 option, the re-projected data is wrong.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks for your help<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Matt<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, May 21, 2019 at 11:37 PM Nicolas Cadieux <<a href="mailto:nicolas.cadieux@archeotec.ca">nicolas.cadieux@archeotec.ca</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Hi,<br>
<br>
99 % of the time, the data is the problem because it’s in the wrong crs. Right click on the problem layer in the layer panel and change the layer crs to what is should be. Use a google or other base map from quickmap plugin. That should permit you to find
the correct CRS.<br>
<br>
Sometimes, crs will have problems reprojecting across some latitudes or longitude (like projections make for the poles). In that case, reprojecting the data using the “save as” option will solve the problem.<br>
<br>
Nicolas<br>
<br>
> Le 20 mai 2019 à 21:53, Matt Boyd <<a href="mailto:mattslists@gmail.com" target="_blank">mattslists@gmail.com</a>> a écrit :<br>
> <br>
> Hi QGISers,<br>
> I'm having an issue with reprojecting things in QGIS.<br>
> Installer OSGEO64W<br>
> Latest version and LTS both have same issue.<br>
> <br>
> Issue:<br>
> reprojection just isn't working. If I load a data set with decimal degrees and another with a projected coordinate system the data (points / lines / polygons) will only display if the basemap is in the same projection system.<br>
> <br>
> This is happening across 2 PCs, (windows10) and the LTS and latest versions of QGIS. Has anyone got some troubleshooting tips?<br>
> <br>
> Thanks<br>
> Matt<br>
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