== no error bars ==
extent -1.0 to 1.0
extentSimple -1.0 to 1.0
extent445 -1.0 to 1.0
== with error bars ==
extent -2.0 to 2.0
extentSimple -1.0 to 1.0
extent445 -1.0 to 1.0
== with bins ==
extent -2.0 to 2.0
extentSimple -1.0 to 1.0
extent445 -1.0 to 1.0
== just bins ==
extent -1.0 to 2.0
extentSimple -1.0 to 2.0
extent445 -1.0 to 2.0
== fill handling failed ==
extent with fill 8.1818182 to 171.8181818 degrees