This question has been asked before, but it seems to have been closed with no solution. Surely the programmers can find a bit of code and reverse the +/- sign to fix this problem? How can and option that is included in all other software I have used Maya, Blender, Bryce, Autocad, Inventor, ProE, Solidworks, Google Earth and Sketchup not be in this one? It has been years since this question was asked and I cannot find an answer anywhere. Here is the earlier version of the question: