I'm having a problem visualizing a zonotope with jReality, which I define as follows:
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polytope > $zm= new Matrix<Rational>([[0,1,-1,0,0,1,0,-1,0],[0,1,-1,0,0,0,1,0,-1],[0,0,0,1,-1,1,0,-1,0],[0,0,0,1,-1,0,1,0,-1]])
polytope > $zv=zonotope($zm)
polytope > print $zv;
1 2 -2 2 -2 2 2 -2 -2
1 0 0 2 -2 0 2 0 -2
1 0 0 2 -2 2 0 -2 0
1 -2 2 2 -2 0 0 0 0
1 2 -2 0 0 0 2 0 -2
1 0 0 0 0 -2 2 2 -2
1 0 0 0 0 0 0 0 0
1 -2 2 0 0 -2 0 2 0
1 2 -2 0 0 2 0 -2 0
1 0 0 0 0 0 0 0 0
1 0 0 0 0 2 -2 -2 2
1 -2 2 0 0 0 -2 0 2
1 2 -2 -2 2 0 0 0 0
1 0 0 -2 2 -2 0 2 0
1 0 0 -2 2 0 -2 0 2
1 -2 2 -2 2 -2 -2 2 2
polytope > print $z->VERTICES;
polymake: used package cddlib
Implementation of the double description method of Motzkin et al.
Copyright by Komei Fukuda.
http://www.ifor.math.ethz.ch/~fukuda/cdd_home/cdd.html
1 2 -2 2 -2 2 2 -2 -2
1 0 0 2 -2 0 2 0 -2
1 0 0 2 -2 2 0 -2 0
1 -2 2 2 -2 0 0 0 0
1 2 -2 0 0 0 2 0 -2
1 0 0 0 0 -2 2 2 -2
1 -2 2 0 0 -2 0 2 0
1 2 -2 0 0 2 0 -2 0
1 0 0 0 0 2 -2 -2 2
1 -2 2 0 0 0 -2 0 2
1 2 -2 -2 2 0 0 0 0
1 0 0 -2 2 -2 0 2 0
1 0 0 -2 2 0 -2 0 2
1 -2 2 -2 2 -2 -2 2 2
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polymake: ERROR: could not provide all required input properties at input line 1.