how to figure out the Radition Pattern of antenna which is altering with variate ?

please help me . i donot kown how to figure out the Radition Pattern of antenna which is altering with variate in far fields of HFSS.i had done some ,but it donot work.

.the result only give me one result.it is far from what i want to get.



i want to get the Radition Pattern with three variate here.so how can i make it in HFSS.