GROMACS version: GROMACS modification: Yes/No Here post your question Hi, Currently, I used gmx-densamp to get the 2D density of my desired atoms. As all you know, two separate outcomes can be taken. First, output.dat, which includes data in the matrix form, and the second one is output.xpm. My problem is when I check the data of output.dat and compare it with the color bar of …