[QGIS-ZA-user] South African CRSs in QGIS

Immo Blecher immo at blecher.co.za
Tue Nov 13 21:58:31 PST 2018


Good Morning,

I think the "latest" proj4 probably sits with the ubuntugis-unstable 
version. And I am on Ubuntu 18.04 LTS, which apparently does not support 
the latest ubuntugis-unstable. Or did anybody get it installed and working?

Regards

Immo

On 2018/11/13 19:16, Paul Young via qgis-za-user wrote:
> Hi there I tried to pul the Docker Proj4 and it would not upgrade.
>
> It gave: Rel. 4.9.3, 15 August 2016
> Maybe it needs to be compiled from source?
>
>
> On Tue, 13 Nov 2018 at 12:24, Immo Blecher via qgis-za-user 
> <qgis-za-user at lists.osgeo.org <mailto:qgis-za-user at lists.osgeo.org>> 
> wrote:
>
>     Hi Frank,
>
>     That is weird! I am on 3.4, but installed from the Debian link,
>     not the ubuntugis as there I had dependency issues. Maybe there is
>     still a big difference between the two. But I will try the
>     ubuntugis route again. The proj version obviously makes all the
>     difference.
>
>     Regards
>
>     Immo
>
>
>     On 2018/11/13 12:20, Frank Sokolic via qgis-za-user wrote:
>>     Hi Immo,
>>
>>     Not sure why they don't show up for you. I can see them on QGIS
>>     3.14 and the Proj version is 5.1.0. This is on Ubuntu Linux.
>>
>>     Regards, Frank.
>>
>>     On 2018/11/13 11:31, Immo Blecher via qgis-za-user wrote:
>>>
>>>     Hi QGIS Users,
>>>
>>>     I can't find these in my QGIS 3.4. And I see that Proj4 is still
>>>     on version 4.93, but the latest seems to be 5.2.
>>>
>>>     But what I also noticed is that Proj4 changed the way it
>>>     converts from/to Hartebeesthoek94 (15 to 31) from version 4.7 to
>>>     vers. 4.9: Using proj4 4.7 to convert one had to turn around E-W
>>>     and N-S, w.o.w. X = -X and Y = -Y and then convert. From vers.
>>>     4.9 this was not necessary any longer so I think the
>>>     calculations in QGIS should be sorted out (it is actually a bug
>>>     and that is why everything is upside down and right=left). That
>>>     would also mean that we would not need the ZANGI:ZANGI
>>>     projections any longer but just use the built-in
>>>     Hartebeesthoek94 ones.
>>>
>>>     For what it's worth!
>>>
>>>     Immo
>>>
>>>     On 2018/11/13 10:58, Frank Sokolic via qgis-za-user wrote:
>>>>     Hi QGIS users,
>>>>
>>>>     I noticed last week that these CRSs have appeared in QGIS under
>>>>     Project Coordinate Systems > Transverse Mercator:
>>>>
>>>>     EPSG:102480 Hartebeesthoek94_Lo15
>>>>     EPSG:102481 Hartebeesthoek94_Lo17
>>>>     EPSG:102482 Hartebeesthoek94_Lo19
>>>>     EPSG:102483 Hartebeesthoek94_Lo21
>>>>     EPSG:102484 Hartebeesthoek94_Lo23
>>>>     EPSG:102485 Hartebeesthoek94_Lo25
>>>>     EPSG:102486 Hartebeesthoek94_Lo27
>>>>     EPSG:102487 Hartebeesthoek94_Lo29
>>>>     EPSG:102488 Hartebeesthoek94_Lo31
>>>>     EPSG:102489 Hartebeesthoek94_Lo33
>>>>     EPSG:102562 Hartebeesthoek94_Lo19_(E-N)
>>>>     EPSG:102563 Hartebeesthoek94_Lo21_(E-N)
>>>>     EPSG:102564 Hartebeesthoek94_Lo23_(E-N)
>>>>     EPSG:102565 Hartebeesthoek94_Lo25_(E-N)
>>>>     EPSG:102566 Hartebeesthoek94_Lo27_(E-N)
>>>>     EPSG:102567 Hartebeesthoek94_Lo29_(E-N)
>>>>     EPSG:102568 Hartebeesthoek94_Lo31_(E-N)
>>>>
>>>>     Anyone know anything about them? Are these now the official
>>>>     South African CRSs in the EPSG database? If so, where are
>>>>     L015_(E-N), L017_(E-N) and L033_(E-N)?
>>>>
>>>>     With these new additions, there are now a few versions of the
>>>>     South African CRSs in the QGIS CRS database (e.g. EPSG 2046 to
>>>>     EPSG 2055 as well as ZANGI:HBKNO15 to ZANGI:HBK033) so I guess
>>>>     things need to be cleaned up.
>>>>
>>>>     Regards, Frank.
>>>>
>>>>     _______________________________________________
>>>>     qgis-za-user mailing list
>>>>     qgis-za-user at lists.osgeo.org <mailto:qgis-za-user at lists.osgeo.org>
>>>>     https://lists.osgeo.org/mailman/listinfo/qgis-za-user
>>>     -- 
>>>
>>>     *Immo F. Blecher**
>>>     Street: */36 Saffraan Ave., Die Boord, Stellenbosch, 7613, South
>>>     Africa
>>>     //*Postal:*//PO Box 74, Lynedoch, 7603, South Africa
>>>     //*Cell:*///+27 83 272 6791 |*Fax: *+27 86 736 3302
>>>     *Email:*_immo at blecher.co.za_ <mailto:immo at blecher.co.za> |
>>>     _immob19 at gmail.com_ <mailto:immob19 at gmail.com>|
>>>     _immob at mymtnmail.co.za <mailto:immob at mymtnmail.co.za>
>>>     _*Internet:*_http://www.blecher.co.za/_
>>>
>>>     Contact me: immob19 at gmail.com <mailto:immob19 at gmail.com>
>>>     immoblecher
>>>
>>>     <http://www.linkedin.com/pub/immo-blecher/30/414/b8>
>>>
>>>     	
>>>
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>>
>>
>>
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>     -- 
>
>     *Immo F. Blecher**
>     Street: */36 Saffraan Ave., Die Boord, Stellenbosch, 7613, South
>     Africa
>     //*Postal:*//PO Box 74, Lynedoch, 7603, South Africa
>     //*Cell:*///+27 83 272 6791 |*Fax: *+27 86 736 3302
>     *Email:*_immo at blecher.co.za_ <mailto:immo at blecher.co.za> |
>     _immob19 at gmail.com_ <mailto:immob19 at gmail.com>|
>     _immob at mymtnmail.co.za <mailto:immob at mymtnmail.co.za>
>     _*Internet:*_http://www.blecher.co.za/_
>
>     Contact me: immob19 at gmail.com <mailto:immob19 at gmail.com> immoblecher
>
>     <http://www.linkedin.com/pub/immo-blecher/30/414/b8>
>
>     	
>
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> -- 
> Regards
> Paul Young
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> N�n�r����)em�h�yhiם�w^���
-- 

*Immo F. Blecher**
Street: */36 Saffraan Ave., Die Boord, Stellenbosch, 7613, South Africa
//*Postal:*//PO Box 74, Lynedoch, 7603, South Africa
//*Cell:*///+27 83 272 6791 |*Fax: *+27 86 736 3302 
*Email:*_immo at blecher.co.za_ <mailto:immo at blecher.co.za> | 
_immob19 at gmail.com_ <mailto:immob19 at gmail.com>| _immob at mymtnmail.co.za 
<mailto:immob at mymtnmail.co.za>
_*Internet:*_http://www.blecher.co.za/_

Contact me: immob19 at gmail.com immoblecher

<http://www.linkedin.com/pub/immo-blecher/30/414/b8>

	

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