[pstricks] drawing field lines

[Herbert Voss]

Am 16.08.2010 10:05, schrieb Doris Behrendt:

> has anyone drawn vector fields, e.g. electric field lines between/near
> two point charges (with different constellations, +/- and/or size of the
> charges)

Doris,
see http://mirror.ctan.org/graphics/pstricks/contrib/pst-electricfield/
or for a simpler solution:
http://tug.org/PSTricks/main.cgi?file=examples#vector

Herbert