InterCircles

Version 1.0   14 April 2019

Summary

This is a special purpose calculator which computes properties of intersecting circles.

Instructions

When the Widget is started, it displays a window with five fields.

Enter data into the four green fields, then press the RETURN or ENTER key.
Enter the x coordinates of the circles. Both centres are assumed to lie on the x-axis.
The Widget computes the status and the length of the chord of intersection.

Status Values

outside - the circles do not overlap or touch each other
touching1 - the circles do not overlap but the boundaries do touch at one point
intersecting - the circles overlap and have two points of intersection
touching2 - the circles overlap and the boundaries touch at one point
inside - the circles overlap but do not touch

License

The InterCircles web widget is Copyright © 2019 Harry Whitfield (G6AUC).

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA

Widget Concept, Coding and Documentation

Harry Whitfield (G6AUC)