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I can not set parameters for Gauss Kruger 7 zone Serbia

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closed as unclear what you're asking by PolyGeo Oct 26 '15 at 8:09

Please clarify your specific problem or add additional details to highlight exactly what you need. As it's currently written, it’s hard to tell exactly what you're asking. See the How to Ask page for help clarifying this question.If this question can be reworded to fit the rules in the help center, please edit the question.

Please provide more details: Are you looking for the right values, or where to enter them? Do you get any error messages? – AndreJ Sep 4 '13 at 6:08

I personally had no luck with predefined coordinate reference systems in QGIS or any other CAD/GIS software for the area of Croatia (Gauss Kruger 5 and 6 zone). If the coordinate system for QGIS that Oyvind proposed does not satisfy your needs, you can try this one. You just have to define it in Custom CRS dialog.

+proj=tmerc +pm=greenwich +lat_0=0 +lon_0=21 +k=0.9999 +x_0=7500000 +y_0=0 +ellps=bessel +towgs84=574.027,170.175,401.545,4.88786,-0.66524,-13.24673,0.99999311067 +units=m

Datum transformation parameters were taken from this site.

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The coordinate system you are looking for is probably MGI/Balkans Zone 7. In QGis, it is located under "Projected Coordinate Systems" -> "Transverse Mercator" -> "MGI/Balkans zone 7" (EPSG:31277) in the CRS selection dialog.

In case of a layer, right click the layer and "Set layer CRS".

If you want to set the project CRS, there are two options:

  1. If you already have a layer with the CRS set, right click the layer and "Set project CRS from layer".

  2. If you want to enforce an existing project CRS, go to Settings -> "Project properties", and select the "Coordinate systems" tab. You probably have to enable "on the fly projections".

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This EPSG definition is deprecated. It has wrong paramters. See my answer. – sys49152 Oct 10 '13 at 5:34

You could use this 3 parameter CRS definition in proj4 format:

+proj=tmerc +lat_0=0 +lon_0=21 +k=0.9999 +x_0=7500000 +y_0=0 +ellps=bessel +towgs84=690.9,-190.8,487,0,0,0,0 +units=m +no_defs

Parameters are taken from AGROS - Active Geodetic Reference Network of Serbia. They are semi-official but they work pretty well.

If you have some permanent point with known Gauss-Kruger/WGS84 coordinates you could check it.

Example> Point 15491 (data source:Geodetic Network of Serbia -

X / Lon (φ) - East      Y / Lat (λ) - North
7576801.0423358         4797612.1494160

<code>enter image description here</code>

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The official values for MGI 1901 as used in GDAL 1.10.0 for EPSG:3909 are +towgs84=682,-203,480,0,0,0,0 – AndreJ Oct 10 '13 at 10:05

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