ISO 10303-214:2010(E)
A Curve_appearance governs the visual appearance of geometric curves and of annotation curves.
Each Curve_appearance may be a Vector_appearance.
The data associated with a Curve_appearance are the following:
The colour specifies the colour of the visible segments of a curve. The colour is either user-defined or pre-defined. Figure 23 shows the pre-defined colours.
The font specifies the line font of a curve. The font determines the visible and invisible segments of a curve. Figure 24 shows the pre-defined curve fonts.
The width specifies the thickness of the visible segments of a curve measured perpendicular to the direction of the curve. The width is invariant to the scale of a Model_image.
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