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Arc of hyperbola

Circle by center

Sketcher

Description

The Sketcher CreateArcOfParabola tool creates an arc of parabola.

Arc of parabola (white) with internal geometry (dark yellow)

Usage

See also: Drawing aids.

1. There are several ways to invoke the tool:
   • Press the Arc of parabola by focus, vertex, endpoints button.
   • Select the Sketcher → Sketcher geometries → Create arc of parabola option from the menu.
   • Use the keyboard shortcut: G then J.
2. The cursor changes to a cross with the tool icon.
3. Pick the focus of the arc (labelled 1 in the image above).
4. Pick the vertex of the arc (labelled 2 in the image above).
5. Pick the start point of the arc (labelled 3 or 4 in the image above).
6. Pick the endpoint of the arc (labelled 3 or 4 in the image above).
7. The arc of parabola is created, including a set of internal geometry.
8. If the tool runs in continue mode:
   1. Optionally keep creating arcs.
   2. To finish, right-click or press Esc, or start another geometry or constraint creation tool.

Notes

• Elements of the internal geometry can be deleted. They can be recreated at any time with Sketcher RestoreInternalAlignmentGeometry.

Arc of hyperbola

Circle by center

Sketcher