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本帖最后由 Lacrimosa 于 2021-4-24 19:41 编辑
打开VMD Main-Extensions-Tk Console输入以下内容(set select "water"此处将water替换为你自己的选择语句)
#---------------------------------------------------
set outfile [open center.dat w]
set select "water"
#---------------------------------------------------
set n [molinfo top get numframes]
set sel [atomselect top "$select"]
for { set i 1 } { $i <= $n } { incr i } {
set sel [atomselect top "$select" frame $i]
set p [measure center "$sel" weight mass]
puts $outfile $p
}
close $outfile
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