Projection WGS 84 is slightly displaced referring to a hillshade in QGIS

Question

I have a hillshade and a vector layer. The vector layer is slightly displaced referring the hillshade. About lat=100m and long=175m

The CRS of the project is EPSG:3397 - PD/83 / Gauss-Kruger zone 4.

The CRS from the vector layer: +proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs.

How can I place the vector layer on the right place in QGIS I tried it with the +towgs84=... attribute. But this didn't work.

AndreJ · Accepted Answer · 2013-03-14 14:03:19Z

2

For data from Germany, I would suggest EPSG:31468. Looks like EPSG:3397 has not yet received proper towgs84 parameters.

EPSG registry remarks for PD/83:

Consistent with DHDN (CRS code 4314) at the 1-metre level. For low accuracy applications PD/83 can be considered the same as DHDN.

answered Mar 14, 2013 at 14:03

AndreJ

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Great, thank you! When I change my Project CRS to EPSG:31468 the vector layer is in the right place.
– Stefan
Commented Mar 14, 2013 at 14:29
2

this is a common error within Qgis. DHDN Gauss Krüger 4 is very often misinterpreted as PD/83 ... when loading a layer. This also happens everytime when you create a layer within the GRASS toolbox, it's pasted to the canvas in the wrong CRS, so you always have to check and correct it.
– Bernd V.
Commented Mar 14, 2013 at 20:14

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