CalliGrapher is a registered trademark, and ParaGraph, the ParaGraph logo, HodoGraph and MorphInk are trademarks of ParaGraph PI, a Silicon Graphics company. |
The annexed fig. 70 exhibits the various cases, with the hodograph in its proper orientation. |
The pole O of the hodograph is inside on or outside the circle, according as the orbit is an ellipse, parabola or hyperbola. |
In the motion of a projectile under gravity the hodograph is a vertical line described with constant velocity. |
The hodograph of a simple harmonic motion is shown at the left, with the time dependence displayed. |
There is also the extremely ingenious invention of the hodograph. |