can be specified in different ways depending on the type of placement that is selected.
      By default, 
                    Edition of placements in the visualizer
                            Although placements can be edited in the 
                    Parameters Editor
                    Edit the parameters of the selected Element
                    Read More
                    , it is often convenient to manipulate them in the 
                    Viewport
                    Preview and edit your content
                    Read More
                    .
        
                            By default, the visualizer is in the 
                    Translate Mode
                    Edit placement Parameters
                    Read More
                     that enables moving, rescaling and rotating all types of placements.
        For this, click on the layer, on one of its sides or one of its corners and drag it:
        
 
                    
                    
                            For the placements based on control points such as 
                    Perspective
                    Placement defined by a quad using perspective interpolation
                    Read More
                     or 
                    Bezier
                    Placement defined by a Bezier grid
                    Read More
                    ,
        the 
                    Edit Mode
                    Allow to edit quickly some layers parameters
                    Read More
                     makes it possible to edit each point individually.
        
                            First, activate 
                    Edit Mode
                    Allow to edit quickly some layers parameters
                    Read More
                     in the 
                    Viewport
                    Preview and edit your content
                    Read More
                     toolbar, and then drag the points with the mouse or move them by using the arrow keys on your PC keyboard:
        
 
                    
                    
                            Here is an example of 
                    
                      Bezier
                     placement edition:
        
 
                    
                    
                            Note that it is possible to select multiple points and to moved them as a group.
        
                            For precise edition, use the arrows of the keyboard in combination with 
                    
                      [SHIFT]
                     (10 times more precise) or 
                    
                      [CTRL] + [SHIFT]
                     (100 times more precise).