An electrophysiology system to facilitate visualizing a proximity of a plurality of catheter electrodes to a 3D geometry of a biological tissue, the system comprising: the plurality of catheter electrodes; a computing device configured to receive recordings received from the plurality of catheter electrodes for calculating measurements indicating the proximity of the plurality of catheter electrodes to the biological tissue and comprising: at least one processor in communication with a memory, wherein the processor is configured to determine the proximity between the plurality of catheter electrodes and the biological tissue using at least one measurement, and to generate a real-time electrophysiology map illustrating a 3D geometry of the biological tissue alongside a visual effect and a catheter image, wherein the visual effect is a digital spotlight having a 2D shape that is projected onto a surface of the 3D geometry, the digital spotlight indicating the proximity between the plurality of catheter electrodes and the biological tissue, and the digital spotlight highlights various degrees of proximity between the plurality of catheter electrodes and the biological tissue, wherein no visual effect is produced for a particular electrode of the plurality of catheter electrodes when a distance between the particular electrode and the biological tissue exceeds a predetermined proximity threshold value; and a display device configured to: display the real-time electrophysiology map. the plurality of catheter electrodes; a computing device configured to receive recordings received from the plurality of catheter electrodes for calculating measurements indicating the proximity of the plurality of catheter electrodes to the biological tissue and comprising: at least one processor in communication with a memory, wherein the processor is configured to determine the proximity between the plurality of catheter electrodes and the biological tissue using at least one measurement, and to generate a real-time electrophysiology map illustrating a 3D geometry of the biological tissue alongside a visual effect and a catheter image, wherein the visual effect is a digital spotlight having a 2D shape that is projected onto a surface of the 3D geometry, the digital spotlight indicating the proximity between the plurality of catheter electrodes and the biological tissue, and the digital spotlight highlights various degrees of proximity between the plurality of catheter electrodes and the biological tissue, wherein no visual effect is produced for a particular electrode of the plurality of catheter electrodes when a distance between the particular electrode and the biological tissue exceeds a predetermined proximity threshold value; and a display device configured to: display the real-time electrophysiology map. at least one processor in communication with a memory, wherein the processor is configured to determine the proximity between the plurality of catheter electrodes and the biological tissue using at least one measurement, and to generate a real-time electrophysiology map illustrating a 3D geometry of the biological tissue alongside a visual effect and a catheter image, wherein the visual effect is a digital spotlight having a 2D shape that is projected onto a surface of the 3D geometry, the digital spotlight indicating the proximity between the plurality of catheter electrodes and the biological tissue, and the digital spotlight highlights various degrees of proximity between the plurality of catheter electrodes and the biological tissue, wherein no visual effect is produced for a particular electrode of the plurality of catheter electrodes when a distance between the particular electrode and the biological tissue exceeds a predetermined proximity threshold value; and a display device configured to: display the real-time electrophysiology map.