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The Disc refers to a disc or circular surface.

Go to Draw > Wire Grid > Disc in the main menu to display the Draw dialog box for the Disc. There are three pages: Disc, Attributes and Materials.

The Disc page

In the Disc page the geometrical parameters for the Disc can be set, Fig. 1. There is a combo-box with two options: Curved segments and Straight segments. Choose Curved segments for an exact representation of the disc curvature. The Straight segments option is an approximation using linear wires.

The Disc is defined by giving the Center coordinates, Radius and orientation angles, Theta and Phi. A disc is a planar surface, which is defined uniquely by these parameters, as shown in Fig. 2.

Once the geometrical parameters in the Disc page have been set, the Attributes page can be chosen, where the number of facets of the Disc can be entered. Refer to Wire Grid Attributes > to see other parameters that can be set in the Attributes page. Refer to Wire Materials > to see the parameters that can be set in the Materials page.

Fig. 1: Disc page of the Draw dialog box.
Fig. 2: A Disc drawn using the input data of Fig. 1.
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