API Reference > imodeljs-backend > Symbology > LineStyleDefinition > LineStyleDefinition.StrokeCap LineStyleDefinition.StrokeCap Enumeration Controls appearance of stroke end caps. If StrokeCap is >= Hexagon, the end cap is stroked as an arc and the value of StrokeCap indicates the number of vectors in the arc. Members Name Value Description Closed 0 Stroke displays as a closed polygon Open 1 Stroke displays lines at specified width instead of a polygon Extended 2 Stroke length extended by half the stroke width Hexagon 3 Stroke end cap is a hexagon Octagon 4 Stroke end cap is an octagon Decagon 5 Stroke end cap is a decagon Arc 30 Stroke end cap is an arc Defined in core/backend/src/LineStyle.ts Line 73 Last Updated: 15 June, 2021