[Qgis-user] Install ver. 2.14 and 3.2 on the same computer

[Patrick Dunford]

Hi there

The reason that the new version will cause the old version to uninstall 
includes partly that the package always installs Qgis into the same paths.

Only when installing on the Windows platform with OSGeo4W do you have an 
option to change the install path to allow multiple versions.

If you want to run two different versions on Linux then one way is to 
build the new version from the source code, and in the Make file you 
change the installation path to a custom path(s) for that make. This is 
fully described in the documentation that comes with the source code 
downloads.

However I am not quite sure how it works on the Mac platform but I 
believe it is the same overall procedure for a make install from source 
code.


On 03/08/18 11:09, Maria Shinoto wrote:
> Hi Esther,
>
> Thanks a lot. So I will give it a try and return to this list, if there are problems I cannot locate.
>
> As for projects, yes, it seems that version 3 stores them differently, but this is no problem in my case.
>
> Best,
> Maria
>
>
>> Am 2018-08-02 um 20:36 schrieb Gomes, Esther <egomes at cbcl.ca>:
>>
>> Hi Maria,
>> I keep both 3.2 and 2.18 on my computer, and they each work fine. From looking at them, QGIS 2.18 uses GRASS 7.4.0, while QGIS 3.2 uses GRASS 7.4.1.
>>
>> I will caution that I've opened qgs files saved from 3.2 in 2.18 and some of the stylings or properties aren't there. Particularly the print composer is a bit different, and QGIS 2.18 couldn't see any of my layouts I had created.
>>
>> Esther
>>
>>
>> -----Original Message-----
>> From: Qgis-user [mailto:qgis-user-bounces at lists.osgeo.org] On Behalf Of Maria Shinoto
>> Sent: August-02-18 08:14
>> To: qgis-user at lists.osgeo.org
>> Subject: [Qgis-user] Install ver. 2.14 and 3.2 on the same computer
>>
>> Hi,
>>
>> I am new to QGIS and installed version 3.2 in the beginning, with GDAL, GRASS 7, etc. in their newest incarnations.
>>
>> Now I cooperate with people who use the Japanese version 2.14 on Windows (I am on a Mac), and together with older versions of GDAL and GRASS 7 (I suppose) and mathplotlib.
>>
>> On the other hand, I have already started working with version 3.2, which works nice for my project.
>>
>> So I would like to keep both versions on my Mac.
>>
>> I cannot find any information about the parallel use of GRASS, GDAL in different versions, or whether I can use the newest versions with 2.14 as well. And I cannot find informations whether I harm version 3.2 when I install mathplotlib.
>>
>> Since there are additional problems with Japanese encodings etc., I would like to reduce the potential of trouble in the first place, there is a lot that seems to go wrong.
>>
>> Python 2.x and 3.x is of course not problem.
>>
>> Thanks for any hint reg.
>>
>> - GDAL
>> - GRASS
>> - mathplotlib
>>
>>
>> Maria
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