| binovfcal | Calculates an array of integrated visual fields | 
| caltheta | Calculates the angle of convergence | 
| colfunc | Creates a color scheme for visual field plots | 
| colorkey | Generates a color legend for visual field plots | 
| get_col | Color-codes dB values | 
| get_inv_col | Color-codes dB values | 
| makevf | Makes a visual field matrix | 
| plotvf | Plots visual field | 
| plotvfray | Plots binocular visual field rays | 
| plotvf_2 | Plots visual field | 
| rotate | Rotates a point (x,y) by an angle | 
| rundemo | Runs shiny applications included in the package |