Hi, all, I have one question about g_rdf under version 3.3.3: g_rdf has two options:-com and -rdf. According to "g_rdf -h", -com calculates the center of mass of the first group, -rdf calculate the rdf type: atom, molecule-COM/COG, residue-COM/COG. My question is -rdf calculates the atom/com/cog of the first(reference) group? OR the second group?
1. if -rdf calculates the fist group, -com should not be used with atom/mol_cog/res_cog. However, a test combing -com and "-rdf atom" gives a rdf curve! 2. if -rdf calculate the second group, "g_rdf -h" is kind of unclear, I think! Any suggestion is welcome! regards, Baofu Qiao
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