I can create a vertical hierarchy chart in Visio from Excel data. Thing is, I need a horizontal (left to right) chart. Is it possible to create? If not, as a workaround, I rotated the chart, but now I should rotate each and every object in it as well.
I have used this tutorial.
I am using Windows 7, Office 2010, Visio 2010.
My other problem is that Visio messes up the hierarchy. Check this diagram out to understand:

This is the used excel data:



