This node transforms the Coordinate reference system (CRS) of the selected geometry column to the entered new coordinate reference system. The node will transform the points in all objects individually. It has no notion of projecting entire geometries. All segments joining points are assumed to be lines in the current projection, not geodesics. Objects crossing the dateline (or other projection boundary) will have undesirable behavior.

The node is based on the GeoPandas project and uses the following related information and functions:


Geometry column

Select the geometry column to use.


Enter the Coordinate reference system (CRS) to use. The input field supports the following types:

  • An authority string (i.e. 'epsg:4326')
  • An EPSG code (i.e. 4326)
  • CRS WKT string

Common EPSG codes that can be universally used for mapping coordinates everywhere in the world are:

  • epsg:4326 (WGS 84, Unit: degree): Latitude/longitude coordinate system based on the Earth's center of mass; Used by the Global Positioning System among others. This is also the default projection that the geospatial nodes use if not otherwise specified.
  • epsg:3857 (Unit: meter): Web Mercator projection used by many web-based mapping tools, including Google Maps and OpenStreetMap.

There are EPSG codes for specific regions that provide a higher accuracy in the corresponding regions:

For a selection of projections that preserve different properties see this Wikipedia article. Once you have found the appropriate projection name or coordinate reference system you can search for its EPSG code at To do so simply type the projection name into the search field (e.g. Pseudo-Mercator). The result page will show you the EPSG code that you can enter in this field (e.g. EPSG:3857) but also the distance unit e.g. meter or degree and the area of use where the projection works best.

If you are looking for a projection for a specific area, try out the Projection wizard page which suggests projection with specific properties for a defined area on the globe. Once you have found the appropriate projection simply click on the WKT link next to the suggested projection name, copy it to your clipboard and paste it into this field.


Group of settings that define the format of the result table.

Output column

Choose where to place the result column:

Available options:

  • Replace: Replace the selected input column with the result.
  • Append: Append a new column with the name provided below.
New column name

The name of the new column that is appended if 'Append' is selected.

Input Ports


Table with geometry column to transform.

Output Ports


Transformed geo output table.

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