ReShape Rect
Function Description: The ReShape Rect function allows the user to move one edge of the quadrilateral object in parallel to the position of the mouse.
Steps
1.Click ReShape Rect 
button in the Vector Editor;
2.Move the mouse to an edge of the face vector and click the left mouse button to determine the key edge;
3.Then move the mouse to the desired position, double-click the left button of the mouse to determine the edge position, and form a new vector, as shown in the following figure;
