檢視 $fixedsurftype 的原始碼

$fixedsurftype is coming after $fixedsurface.  The format is :
 
 $fixedsurftype
 type_surface_1 
 type_surface_2
 type_surface_3
 .... 
 type_surface_N  

The default type is 0 
 Type 0 :　Fixed point in x y z 
 type 1 :  Fixed point in x direction
 type 2 :  Fixed point in y direction
 type 3 :  Fixed point in z direction
 type 12 :  Fixed point in xy direction
 type 13 :  Fixed point in xz direction
 type 23 :  Fixed point in yz direction