drgeo(1) a GTK+ interactive geometry program


drgeo [OPTIONS]...


Dr. Geo is the OFSET's interactive geometry program.

It is a sort of vector drawing software but with mathematical constraints - we also call this interactive geometry.

It allows one to create geometric figure plus the interactive manipulation of such figure in respect with their geometric constraints. It is useable in teaching situation with students from primary or secondary level.

To find more information concerning the use of Dr. Geo, you can consult the online help.


This program follows the usual GNU command line syntax, with long options starting with two dashes (`--').

GTK options

Gdk debugging flags to set
Gdk debugging flags to unset
X display to use
Make X calls synchronous
Don't use X shared memory extension
Program name as used by the window manager
Program class as used by the window manager
Gtk+ debugging flags to set
Gtk+ debugging flags to unset
Make all warnings fatal
Load an additional Gtk module

drgeo options

Display Dr. Geo' version
-f, --file=filename
File to load
-e, --evaluate=filename
Evaluate and load a Dr. Geo figure defined in Scheme
Start Dr. Geo as a TeXmacs plugin, sending EPS figure to the standard output
Display the command line help




Dr. Geo is licensed under the terms of the General Public License version 2. For information on this license look at the source code that came with the software or see the GNU project page at http://www.gnu.org.


The copyright on the Dr. Geo software and source code is held by the individual authors and the FSF.



Lead developer : Hilaire Fernandes http://www.ofset.org


Frederic Toussaint http://www.blender-cafe.org/


Hilaire Fernandes
This manual page was initialy written by Andreas Tille <[email protected]> then by Hilaire Fernandes <[email protected]> for the Debian GNU/Linux system (but may be used by others).


Adrian Ulises Soto
Jean-Philippe Georget
Andrea Centomo
Tobias Verbeke


Abel Cheung
Dag Wieers
Hilaire Fernandes