A system for visually representing estimated ablation size, the system comprising: sensors configured to acquire location signals indicating locations of an ablation device during an ablation of an organ and ablation parameter signals indicating ablation parameters during the ablation; memory configured to store: location data corresponding to the location signals and ablation parameter data corresponding to the ablation parameter signals; a display device; and a processing device configured to: generate, from the location data, mapping information for displaying a map of the organ; generate, from the ablation parameter data, first object information for displaying a first geometrical object having a first size which represents an estimated depth of the ablation of the organ; generate, from the ablation parameter data, second object information for displaying, concurrently with the first geometrical object, a second geometrical object having a second size which represents an estimated width of the ablation of the organ; display the map of the organ at the display device; and display the first geometrical object and the second geometrical object on the map of the organ at the display device, wherein a center of the first geometrical object and a center of the second geometrical object are displayed at a same location on the map of the organ corresponding to the center of the ablation and wherein at least a portion of the second geometrical object is transparent such that the first geometrical object and the second geometrical object are both visible on the map of the organ. sensors configured to acquire location signals indicating locations of an ablation device during an ablation of an organ and ablation parameter signals indicating ablation parameters during the ablation; memory configured to store: location data corresponding to the location signals and ablation parameter data corresponding to the ablation parameter signals; a display device; and a processing device configured to: generate, from the location data, mapping information for displaying a map of the organ; generate, from the ablation parameter data, first object information for displaying a first geometrical object having a first size which represents an estimated depth of the ablation of the organ; generate, from the ablation parameter data, second object information for displaying, concurrently with the first geometrical object, a second geometrical object having a second size which represents an estimated width of the ablation of the organ; display the map of the organ at the display device; and display the first geometrical object and the second geometrical object on the map of the organ at the display device, wherein a center of the first geometrical object and a center of the second geometrical object are displayed at a same location on the map of the organ corresponding to the center of the ablation and wherein at least a portion of the second geometrical object is transparent such that the first geometrical object and the second geometrical object are both visible on the map of the organ. generate, from the location data, mapping information for displaying a map of the organ; generate, from the ablation parameter data, first object information for displaying a first geometrical object having a first size which represents an estimated depth of the ablation of the organ; generate, from the ablation parameter data, second object information for displaying, concurrently with the first geometrical object, a second geometrical object having a second size which represents an estimated width of the ablation of the organ; display the map of the organ at the display device; and display the first geometrical object and the second geometrical object on the map of the organ at the display device, wherein a center of the first geometrical object and a center of the second geometrical object are displayed at a same location on the map of the organ corresponding to the center of the ablation and wherein at least a portion of the second geometrical object is transparent such that the first geometrical object and the second geometrical object are both visible on the map of the organ.