GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
gap> START_TEST("HAP library"); gap> M:=ReadImageAsPureCubicalComplex(Concatenation(dir,"image1.3.2.eps"),300); Pure cubical complex of dimension 2. gap> BettiNumber(M,0); 133 gap> STOP_TEST( "tst.tst", 1000 );