int ip3 = 1; // number of objects in np2 arry
int ip4 =1;// 1 move, 2 copy
int ip5 =0 ;// 0 original layer, 1 the work layer
int ip6 =2; //Trace curve status, 1 on, 2 off
tag_t nr7;// useless if ip4 =1
tag_t nr8;// useless if ip6 =2
int ir9;// status