API Reference > geometry-core > Solid > Sphere > constantVSection constantVSection Method Return the Arc3d section at vFraction. For the sphere, this is a latitude circle. constantVSection(vFraction: number): undefined | CurveCollection Parameter Type Description vFraction number fractional position along the sweep direction Returns - undefined | CurveCollection Defined in solid/Sphere.ts Line 231 Last Updated: 12 June, 2024