API Reference > imodeljs-common > DisplayStyles > HiddenLine > HiddenLine.SettingsProps HiddenLine.SettingsProps Interface Describes how visible and hidden edges and transparent surfaces should be rendered in "hidden line" and "solid fill" RenderModes. Properties Name Type Description hidden undefined | HiddenLine.StyleProps Describes how hidden edges (those obscured by other geometry) should be displayed. transThreshold undefined | number A value in the range [0.0, 1.0] specifying a threshold below which transparent surfaces should not be drawn. visible undefined | HiddenLine.StyleProps Describes how visible edges (those unobscured by other geometry) should be displayed. Defined in core/common/src/HiddenLine.ts Line 158 Last Updated: 15 June, 2021