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北京石油化工学院2026年研究生招生接收调剂公告
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nufang19a

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[交流] 【求助】absolute value of x/y/z 已有1人参与

在Combination of Membrane and Protein这一节里,有这样一段,其中的绝对值abs(x)    abs(y)我在vmd user guide中没有查出怎样测量的啊??请各位指点在vmd user guide哪里??或有没有什么脚本可以的,期待回答
set seltext1 "$POPC and same residue as \ (name P1 and z>0 and abs(x)<15 and abs(y)<15)"
set seltext2 "$POPC and same residue as \ (name P1 and z<0 and abs(x)<10 and abs(y)<10)"
set seltext3 "$POPC and same residue as (within 0.6 of protein)"
set sel1 [atomselect top $seltext1]
set sel2 [atomselect top $seltext2]
set sel3 [atomselect top $seltext3]
$sel1 set beta 1
$sel2 set beta 1
$sel3 set beta 1
set badlipid [atomselect top "name P1 and beta > 0"]
set seglistlipid [$badlipid get segid]
set reslistlipid [$badlipid get resid]
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nufang19a

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解决了,还是vmd user guide用处大

[ Last edited by nufang19a on 2011-3-3 at 21:07 ]
2楼2011-03-03 21:04:35
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