Here is C.a.R. (compass and ruler), a program, that simulates school geometry constructions with a pair of compasses and a straightedge (ruler).

The program uses Java, and runs on almost any modern platform.

The program is freeware, and the source is available and free by the GNU General Public License.

Here I have a summary of the features of C.a.R.

  • Simulation of school geometry constructions in the plane.
  • Runs on almost any modern platform, including Windows 95, NT or better, Linux, Mac OS, Mac OSX, Sun Solaris and other Unix
  • Special graphical enhanced version for Java 1.3 (using e.g. anti-aliasing).
  • Free source under GPL.
  • HTML documentation.
  • Context sensitive help integrated into the program.
  • Modern intuitive interface, which follows the common interface rules.
  • GUI in English, German, Italian, Portuguese or Spanish.
  • Configurable toolbox.
  • Visual mode of construction or descriptive mode, using commands.
  • Programming language for constructions, including macros and macros called in macros.
  • Uses the right mouse button for object properties and object movement as usual.
  • Automatic generation of points on objects and intersections, with or without confirmation
  • Lengths of segments and other sizes may be fixed. Fixed circles and angles can still be changed with the mouse, unless they are fixed by a composite expression.
  • Partially visible circles and lines, which display only the relevant parts.
  • Circles can be drawn as arcs.
  • Arcs and angles can be kept acute.
  • Hiding of construction details. Super-hiding with the hide tool and the control key.
  • Colored construction objects.
  • Think, normal or thick stroke for objects.
  • Arrows.
  • Display of object names, values or both.
  • User controlled display accuracy for values.
  • Construction tools for parallels, plumb lines and midpoints.
  • Track of points while the user moves another point. Tracks of more than one point or line.
  • Conic sections determined by 5 points.
  • Tracks o
    software/c.a.r.txt · Dernière modification: 2013/06/12 16:45 (modification externe)
    Sauf mention contraire, le contenu de ce wiki est placé sous les termes de la licence suivante : GNU Free Documentation License 1.3
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