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I am new in GIS.

I am trying to use the curves of level (downloaded from this site in SHP format) to use them into Tableau Desktop.

The problem is that if I loaded the lines, they are not correctly setted, as shown in this picture from the same file loaded with QGIS.

How could I fix it?

In the archive I downloaded from the site linked above there are also other 3 files, with extension dbf, prj and shx that maybe can be useful to center the dataset.

enter image description here

  • see this post that explains the issue – JGH Mar 13 at 22:17
  • You can check some relevant answers first. Shifting the shapefile is a common question. Also, I want you to check the projection of your shapefile as well. You need to set the same projection to the background map first. – gnodnooh Mar 13 at 22:18
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    set your projection to Monte Mario / Italy zone 2 epsg.io/3004 – Mapperz Mar 14 at 0:27
  • A single shapefile is made up of at least 3 separate files. In this case, the files (curve_livello_polyline.shp, curve_livello_polyline.dbf, curve_livello_polyline.prj AND curve_livello_polyline.shx) are all one shapefile. QGIS is already using all of them to display the layer 'curve_livello_polyline'. This isn't the problem here, but it will cause problems later if you don't know this. – csk Mar 14 at 17:08

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