Spider DSA User’s Manual
39
Surface Normal
An arrow illustrates the surface normal direction will be drawn to each surface,
once this Surface Normal button is toggled on. The normal direction of the
surface is decided by the right-hand rule, when the surface is created by
connecting 3 points.
Figure 253. Shows Line Normal in A Cylinder Model
Surface
The surfaces will be drawn with the color assigned to each surface in the Edit
Model window, Surface tab, when the Surface button is toggled on. It overwrites
the Model toggle button, in case both are toggled on.
Figure 254. Show Surfaces in A Cylinder Model
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