<div dir="ltr">Thank you all<div>Strumbi</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Thu, Mar 1, 2018 at 10:48 AM, DelazJ <span dir="ltr"><<a href="mailto:delazj@gmail.com" target="_blank">delazj@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi,<br><div class="gmail_extra"><br><div class="gmail_quote"><span class="">2018-03-01 10:37 GMT+01:00 Andreas Neumann <span dir="ltr"><<a href="mailto:a.neumann@carto.net" target="_blank">a.neumann@carto.net</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div text="#000000" bgcolor="#FFFFFF">
<p>Hi Strumbi,</p>
<p>They can be installed and run in parallel.</p></div></blockquote></span><div>Easily?<br>I could do that on Windows or macOS but never succeeded on Linux (tried with 2.14 and 2.18 in the past and ended up with building from source the latest version, unless there is a difference in 2.x vs 3.x).<br></div><div>What would then be the steps/requirements to use the provided packages and build different versions of QGIS on the same machine (nota: i'm still a beginner on Linux).<br><br></div><div>Thanks,<br></div><div>Harrissou<br></div><span class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div text="#000000" bgcolor="#FFFFFF"><p> They have independent
settings.<br>
</p>
<p>The only restriction is: once you have saved a project in QGIS 3,
there may be no way back to 2.18.</p>
<p>The other thing to watch out is plugins or Python code: plugins
and Python code from QGIS 2.x don't run in QGIS 3.x. They have to
be revised because of the change from Python 2 to Python 3 and qt4
to qt5. In addition, the QGIS API changed considerably.
Theoretically, a plugin can be written to work in both QGIS 2 and
QGIS 3, but in practice, such plugins don't exist very often.<br>
</p>
<p>Greetings,</p>
<p>Andreas<br>
</p><div><div class="m_7504686678090113065h5">
<br>
<div class="m_7504686678090113065m_-3788026693823976099moz-cite-prefix">On <a href="tel:01%2003%2020%2018%2010" value="+33103201810" target="_blank">01.03.2018 10</a>:22, Velizar
Strumberger wrote:<br>
</div>
</div></div><blockquote type="cite"><div><div class="m_7504686678090113065h5">
<div dir="ltr">Hello
<div>I apologize if this question has been asked already. Should
I uninstall QGIS 2.18 before I install QGIS 3.</div>
<div>Thank you</div>
<div>Strumbi </div>
</div>
<br>
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