What rules to adopt to draw district boundaries and avoid gerrymandering?

What rules to adopt to draw district boundaries and avoid gerrymandering?

Policy wiki:
http://minguo.info/usa/wiki/gerrymandering
Listing in manifesto:
http://minguo.info/usa/manifesto/democracy

% Choice Blog entries Votes for votes score
100District boundaries should be drawn by a non-partisan committee.0111
100District boundaries should follow established administrative boundaries.0111
100District boundaries should follow natural boundaries.0111
0Districts' shapes should be rectangular(ish).1 entry010
0Use open-source programs using census data to draw district boundaries.1 entry010

Check the 3 blog entries discussing this poll.