[QGIS-ZA-user] qgis-za-user Digest, Vol 42, Issue 2

Mon Jan 4 01:20:44 PST 2021

Thank you Frank

That worked for me as well. No Ii have learnt a lesson!

Jordaan

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Subject: qgis-za-user Digest, Vol 42, Issue 2

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Today's Topics:

   1. Re: Hartebeeshoek L027 (Frank Sokolic)
   2. Re: qgis-za-user Digest, Vol 42, Issue 1 (Jordaan Fouche)

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Message: 1
Date: Mon, 4 Jan 2021 09:40:28 +0200
From: Frank Sokolic <sokolic at worldonline.co.za>
To: qgis-za-user at lists.osgeo.org
Subject: Re: [QGIS-ZA-user] Hartebeeshoek L027
Message-ID: <56684a6d-47d7-93b7-1719-05f31ae968ae at worldonline.co.za>
Content-Type: text/plain; charset="windows-1252"; Format="flowed"

Hi Jordaan,

Have you tried using? "EPSG:102566 Hartebeesthoek94_Lo27_(E-N)"? 
Although EPSG 2052 is an official South African CRS it is south oriented,
which is why you have had to manipulate the coordinates as you describe.

Regards, Frank.

On 2021/01/03 17:42, Jordaan Fouche via qgis-za-user wrote:
>
> Dear All
>
> I am buy working on a project which is in? Hartebeeshoek L027 (EPSG 
> 2052). It appears that all my data is transposed.
>
> Some of the vector data that I am importing has been exported from 
> Arc, others are photo mozaics from the NGI, and others are SGO data, 
> however every datapoint has been transposed. I.e. what should be 
> plotting SW is plotting NE, and what should be plotting NW is plotting SE.
>
> Has anybody encountered this problem before. I have corrected some of 
> the data by exporting the geometry through MMQIS, then multiply the 
> coordinates by -1 and, re-import to a WGS84 project. Then the data 
> plots in the right place. But it is an helluva work around and it 
> should not be like that. Or am I doing something wrong?
>
> Jordaan
>
>
>
> _______________________________________________
> qgis-za-user mailing list
> qgis-za-user at lists.osgeo.org
> https://lists.osgeo.org/mailman/listinfo/qgis-za-user

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Message: 2
Date: Mon, 4 Jan 2021 10:53:21 +0200
From: "Jordaan Fouche" <j.fouche9 at gmail.com>
To: <qgis-za-user at lists.osgeo.org>
Subject: Re: [QGIS-ZA-user] qgis-za-user Digest, Vol 42, Issue 1
Message-ID: <00f501d6e277$0ff15c70$2fd41550$@gmail.com>
Content-Type: text/plain; charset="us-ascii"

I have solved the problem, The correct CRS to  use is EPSG 3395, WGS
84/World Mercator.

Not sure that I understand why, but now everything is plotting correctly.

Jordaan

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Today's Topics:

   1. Hartebeeshoek L027 (Jordaan Fouche)

----------------------------------------------------------------------

Message: 1

Date: Sun, 3 Jan 2021 17:42:18 +0200

From: "Jordaan Fouche" < <mailto:j.fouche9 at gmail.com> j.fouche9 at gmail.com>

To: < <mailto:qgis-za-user at lists.osgeo.org> qgis-za-user at lists.osgeo.org>

Subject: [QGIS-ZA-user] Hartebeeshoek L027

Message-ID: < <mailto:121001d6e1e7$072860b0$15792210$@gmail.com>
121001d6e1e7$072860b0$15792210$@gmail.com>

Content-Type: text/plain; charset="us-ascii"

Dear All

I am buy working on a project which is in  Hartebeeshoek L027 (EPSG 2052).

It appears that all my data is transposed. 

Some of the vector data that I am importing has been exported from Arc,
others are photo mozaics from the NGI, and others are SGO data, however
every datapoint has been transposed. I.e. what should be plotting SW is
plotting NE, and what should be plotting NW is plotting SE.

Has anybody encountered this problem before. I have corrected some of the
data by exporting the geometry through MMQIS, then multiply the coordinates
by -1 and, re-import to a WGS84 project. Then the data plots in the right
place. But it is an helluva work around and it should not be like that. Or
am I doing something wrong?

Jordaan

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