The Klayout API has built in methods for reading and writing layout data to multiple file formats. The main formats are, of course, *.oas and *.gds. However, Klayout also supports the *.dxf format, a ...

Imagine you have a third-party library that accepts polygons, but not KLayout objects. Instead it takes polygons as arrays of x/y tuples. Not unexpected, the array production loop isn't quite fast. I ...