Described embodiments include an apparatus that includes adisplay and processor. The processor is configured to receive,from a user, an input that indicates one or more points ofinterest on an electroanatomical map, of an anatomical surface,that is displayed on the display, and to superimpose on the map,in response to the input, a plurality of contours, each one ofthe contours being at a different respective geodesic distance,with respect to the surface, from the points of interest. Otherembodiments are also described.
