An ablation catheter with an expandable balloon or a basket, a plurality of electrodes disposed on the surface, and a graphical user interface (GUI) of a computer system is disclosed. The GUI includes a plurality of electrode representations, a first sector color coded plot of at least one of the plurality of electrodes, a second sector color coded plot of at least one of the plurality of electrodes, a third sector color coded plot of at least one of the plurality of electrodes, and a processor configured to receive data on the inputs based on at least one of the plurality of electrodes, change an appearance of at least one of the first, second sector, and the third sector based on the received data, and update the color coded plot of the first input.