Returns the cursor layer used for displaying cursor position and state.
Cursor layer
Returns the measurements layer used for displaying measurement objects.
Measurements layer if found, undefined otherwise
Returns the measurements utility layer used for measurement helpers and guides.
Measurements utility layer if found, undefined otherwise
Interface for views that support measurement and mark (M&M) functionality. This interface defines the common API for measurement layers, cursor layers, and cursor position management that are shared across different view types.