The TikZ rectangle shape has a draw split key "/pgf/rectangle split draw splits=boolean" but in the TikZ manual there is no reference of similar keys for the: circle split, ellipse slipt, circle solidus, etc... By any chance, do similar key exist? If no, any suggestions on how to create them? That is how can we suppress the split line? Is the an equivalent of rectangle split draw splits=false for the other shapes? If not, any suggestions on how to implement it?
The MWE (circle split draw split=false also does not work but for the rectangle as in the manual it does work)
\documentclass{beamer}
\usepackage{tikz}
\usetikzlibrary{external,automata,trees,
positioning,shadows,matrix,arrows,shapes.geometric,shapes.multipart,trees,
calc, fit,decorations.pathmorphing}
\begin{document}
\begin{frame}
\begin{tikzpicture}
\node [circle split, circle split draw splits=false]
{test 1 \nodepart{lower} test 2};
\end{tikzpicture}
\begin{tikzpicture}
\node [rectangle split, rectangle split parts=2, rectangle split draw splits=false]
{test 1 \nodepart{two} test 2};
\end{tikzpicture}
\end{frame}
\end{document}
circle split
. Second:circle solidus
. Next shape:ellipse split
. (Page 731 of the 3.0 manual.) – cfr Aug 22 '14 at 21:35