API Reference > imodeljs-common > Geometry > ElementGeometryOpcode ElementGeometryOpcode Enumeration Specifies the type of an entry in a geometry stream. see ElementGeometryDataEntry.opcode. Members Name Value Description SubGraphicRange 2 Local range of the next geometric primitive in the geometry stream. PartReference 3 A reference to a GeometryPart. BasicSymbology 4 Sets symbology for subsequent geometry to override SubCategory appearance PointPrimitive 5 A line, line string, shape, or point string (automatic simplification of a CurvePrimitive or CurveCollection) PointPrimitive2d 6 A 2d line, line string, shape, or point string (automatic simplification of a CurvePrimitive or CurveCollection) ArcPrimitive 7 Arc or ellipse (automatic simplification of a CurvePrimitive or CurveCollection) CurveCollection 8 CurveCollection Polyface 9 Polyface CurvePrimitive 10 CurvePrimitive SolidPrimitive 11 SolidPrimitive BsplineSurface 12 BSplineSurface3d Fill 19 Opaque and ElementGeometryOpcode.Gradient fills. Pattern 20 Hatch, cross-hatch, or ElementGeometryOpcode.AreaPattern. Material 21 RenderMaterial TextString 22 TextString LineStyleModifiers 23 Specifies line style overrides as a LineStyle.Modifier BRep 25 Boundary represention solid, sheet, or wire body as a BRepEntity.DataProps Image 28 Small single-tile raster image as an ImageGraphic Defined in core/common/src/geometry/ElementGeometry.ts Line 29 Last Updated: 29 November, 2022