

Department of Engineering  
University of Cambridge > Engineering Department > Machine Intelligence Lab People 
ENGINEERING TRIPOS PART IIA
The following Applet can be used to draw a single Bezier Surface using 16 control points. Each control point is initially positioned in the xyplane. The zcoordinate of each control point can be adjusted by simply dragging the point in a direction perpendicular to the xyplane. To change the x and y coordinate of a control point, simply hold down the SHIFT key while dragging the point to a new location. To view the surface from a different angle, drag any portion of the surface to a new location.
The user may select from several different ways to draw the surface: "Wireframe  Transparent", "Wireframe  Opaque", "Transparent" and "Opaque". The user may also select "u,vparametrization" to see how a specific point on the surface is constructed. In this mode, a unit square (i.e. [0,1]x[0,1]) will appear in the lower right corner of the screen. The red dot represents the current values of u and v that are used to construct the red point on the bezier surface. Simply drag the red dot within the unit square to change the values of u and v
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