glue a set of graphics entities into an Compound.
glue(H)
h_agreg=glue(H)
:H a vector of handle. : :h_agreg a handle, the handle on the Compound entity. :
Given a vector of handles, this function glue the corresponding entities in a single Compound and returns the handle on this new entity.
`scf`_(1);
`plot2d`_(0,0,-1,"010"," ",[-2,-2,2,2]);
`xrect`_(-1,1,2,2);
`xarc`_(-0.5,0.5,2,2,0,360*64);
a=`gca`_();
r=a.children(1);
c=a.children(2);
nc=glue([r,c]);
// a.children(1) and nc now both correspond to the
// newly created compound object,
a.children(1)
// which is then translated.
`move`_(nc,[-1,-0.5]);