1 Some of the layouts used to confirm changes since 2013

1 Guide to displayed artifacts	2 Select for the slideshow	3 Organize in the browser and navigate

2 Corresponding layouts in the Java front end.

1 Annotated layout ↑	2 Use of rectangular sub-regions when appropriate	3 Use of convex sub-regions	4 Hashing contacts with prescribed currents

3 Geometric refinements circa 2015

1 Contacts overhanging the base layer	2 Contacts enclosing multiple base layer segments	← Select and organize like ↓

4 Crack solutions circa 2016

1 Front end presentation	2 The kernel solution

5 Layouts back-dropping the rounding development.

1 Rounding a base layer reentrant near a bar contact	2 Extended low Voltage region outside the main flow	3 Extended high Voltage region outside the main flow