Elfield - Electric Field Simulator
Easy to install - Easy to demonstrate

Simple graphic electric field simulator written on C++ using GTK+.

Build

git clone git@github.com:svlv/elfield.git
cd elfield
mkdir build && cd build
cmake ..
make

Features

• Drawing charges:
  • Moving a charge under the cursor;
  • Removing a charge under the cursor;
• Drawing arrows to demonstrate electric field direction:
  • Toggling the arrows;
  • Hightlighting arrows under the cursor with the corresponding line;
• Drawing electric field lines coming from positive to negative charges:
  • Toggling the lines;
  • Choosing straight lines or bezier curves;
  • Choosing line step drawing;
• Drawing electric field potential

Mouse events

Event	Action
Left click	Add a positive charge
Right click	Add a negative charge
Press left button and move cursor	Move a charge
Double left click on a charge	Open Charge properties dialog

Keybindings

Key	Action
:	Begin command line interface
q	Quit simulator
c	Remove all charges
a	Toggle arrows
l	Toggle lines
p	Toggle potential
x	Remove a charge under the cursor
t	Toggle straight line / bezier curve
j	Decrease line step for drawing
k	Increase line step for drawing
Ctrl+s	Save to png file
Ctrl+c	Copy to clipboard

Command line interface

Command	Action	Example
set_background_color	Set the given background color	:set_background_color #ffffff