Start3d([]); Setparent(Cdyname()+"fig"); SetketcindyJS(["Nolabel=all","Rem=[O,X,Y,Z]"]); Putaxes3d(5); Xyzax3data("","x=[-5,5]","y=[-5,5]","z=[-5,5]"); Spaceline("1",[A,B]); Ch=[1]; if(contains(Ch,1), if(!Isangle(), gdt=["ax3d","sl3d1"]; Skeletonparadata("1",gdt,gdt,[1.5]); ); ); Figpdf(); Windispg();