[simspark-devel] The angle in the horizontal plane.

[feng <fen...@16...>]

Hi all,There is a simple problem that has been bothering me for some time.Form  a flag,we can get the Distance , the  Theta,and  the Phi.  The description of Theta in User's Manual is:the angle in the horizontal plane.But when i raise NAO's head a little,Theta increases.Here is my test (with agent stand on(-5.2,0,0),do nothing):Head2 Angle :30      angle to RFlag1 :27.76    angle to RFlag2 :-27.65Head2 Angle :0        angle to RFlag1 :24.11    angle to RFlag2 :-23.98Head2 Angle :-30     angle to RFlag1 :26.87    angle to RFlag2 :-27.04I am not clear on this problem,please help.Best regards,Feng