It is possible to define its direction (start and end points), the colors used and their number in the gradient.
        
                            The colors in the gradient can be transparent.
    
                  
                
                
                Parameters
                
                  - 
                    Gradient (Color Function) : Colorize with a color gradient
                  
- 
                    Segment (2D Segment) : The position of the begin and end points of the linear gradient
                  
Presets
                
                Standard Presets: Black -> Transparent, White -> Transparent, Black -> Transparent (Horizontal) and White -> Transparent (Horizontal)