torch_min_ycoord_fig_cm = -5.9; // & big part in fig file. mid top is origin
torch_smm_xcoord_fig_cm = -1.9; // x coord of lhs of narrow part
torch_min_ycoord_fig_cm = -5.9; // & big part in fig file. mid top is origin
torch_smm_xcoord_fig_cm = -1.9; // x coord of lhs of narrow part