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bay__gulf
½ð³æ (ÖøÃûдÊÖ)
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jianchaoyv(½ð±Ò+10):ллָµã 2010-06-22 18:29:11
ghcacj(½ð±Ò+10):лл 2010-06-22 19:55:31
jianchaoyv(½ð±Ò+10):ллָµã 2010-06-22 18:29:11
ghcacj(½ð±Ò+10):лл 2010-06-22 19:55:31
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radial density, Ò²¾ÍÊǾ¶Ïò·Ö²¼, ºÜ³£ÓÃ, vmd Ò²ÌṩÁËÒ»¸ö¹¤¾ß¿ÉÒÔÖ±½Ó¼ÆËã ¾ÍÊÇmeasure gofr, ²Î¿¼ http://www.ks.uiuc.edu/Research/vmd/current/ug/node133.html, ÒÔ¼°Ò»¸ögui ½çÃæ, ²Î¿¼ http://www.ks.uiuc.edu/Research/vmd/plugins/gofrgui/ ÖÁÓÚÈ¡Ïò·Ö²¼, Óû§½ÏÉÙÖ»ÄÜ×Ô¼ºÐ´ÁË, vmd µÄÇ¿´óÖ®´¦²»ÔÚÓÚÄÚÖÃÁ˶àÉÙ¹¤¾ß, ¸ü²»ÊÇ×ö¶àƯÁÁµÄͼÐÎ ¶øÊÇÌṩÁËÒ»¸öÔ×Ó(¼¯ÍÅ)ΪÊý¾Ý½á¹¹µÄ±à³Ì»·¾³, ¿ÉÒÔ°´ÕÕ×Ô¼ºµÄÐèҪʵÏÖÈÎÒâµÄ¹¦ÄÜ ÏÂÃæÊǵ±Ê±ÓõĴúÂë, ÏÖÔÚ¿´À´ºÜÓ×ÖÉÁ˵«ÄÃËüÈëÃÅ»¹ÊDz»´íµÄ # count the dipolar-z angle and Legendre 2nd order polynomial in a pore, # make sure the psf/dcd be the top molecular set outf [open theta.dat w] set numFrame [molinfo top get numframes] set lgd 0 for { set fr 1 } { $fr < $numFrame } {incr fr } { set wt [atomselect top "water and name OH2 and z < 7.6 and z > -7.6 " frame $fr] set n [$wt num] set theta 0 foreach resid [$wt get resid] { set wto [atomselect top "resid $resid and name OH2" frame $fr] set wth1 [atomselect top "resid $resid and name H1" frame $fr] set wth2 [atomselect top "resid $resid and name H2" frame $fr] set coordo [measure center $wto] set coordh1 [measure center $wth1] set coordh2 [measure center $wth2] set coordh [vecadd $coordh1 $coordh2] set coordh [vecscale 0.5 $coordh] set vecd [vecsub $coordh $coordo] set thetai [expr acos ([expr [lindex $vecd 2] / [veclength $vecd]])] set thetai [expr $thetai * 180.0 / 3.1416] set theta [expr $theta + $thetai] $wto delete $wth1 delete $wth2 delete } set theta [expr $theta/$n ] set costheta [expr cos ([expr $theta*3.1416/180.0])] set lgd [expr $lgd + [expr $costheta * $costheta]] puts $fr puts $outf [format "%d %f" $fr $theta] $wt delete } set lgd [expr $lgd / $numFrame * 1.5 - 0.5] puts "3*<(cos¦È)^2> - 1 = $lgd" close $outf |
2Â¥2010-06-22 16:44:02
jianchaoyv
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
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3Â¥2010-06-22 19:41:03
jianchaoyv
½ð³æ (СÓÐÃûÆø)
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|
ÇëÎÊÉÏÃæÌṩµÄ½Å±¾ÖУº set coordh [vecadd $coordh1 $coordh2] set coordh [vecscale 0.5 $coordh] set vecd [vecsub $coordh $coordo] set thetai [expr acos ([expr [lindex $vecd 2] / [veclength $vecd]])] »¹ÓÐ×îºóset lgd [expr $lgd / $numFrame * 1.5 - 0.5] Õ⼸¾ä¿´²»¶®£¬Äܲ»ÄܽâÊÍһϣ¿Ð»Ð»£¡ [ Last edited by jianchaoyv on 2010-6-23 at 09:56 ] |
4Â¥2010-06-23 09:50:22
bay__gulf
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ghcacj(½ð±Ò+5):лл 2010-06-24 10:06:00
ghcacj(½ð±Ò+5):лл 2010-06-24 10:06:00
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set coordh [vecadd $coordh1 $coordh2] ;#Á½¸öHµÄ×ø±êÖ®ºÍ set coordh [vecscale 0.5 $coordh] ;#Á½¸öHµÄƽ¾ù×ø±ê, ¼´Öеã set vecd [vecsub $coordh $coordo] ;#OÔ×Óµ½HÖеãµÄʸÁ¿, ¼´Ë®µÄż¼Ç(·½Ïò) set thetai [expr acos ([expr [lindex $vecd 2] / [veclength $vecd]])] # Ë®µÄż¼«u¸úzÖá(0 0 1)µÄ¼Ð½Ç, cos(theta) = u(z)/|u| »¹ÓÐ×îºóset lgd [expr $lgd / $numFrame * 1.5 - 0.5] ÀÕÈõÂÏî (3 ²Î¿¼ http://www.mdbbs.org/viewthread.php?tid=11530 |
5Â¥2010-06-24 09:13:13
jianchaoyv
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ÇëÎÊvecadd¡¢vecscale¡¢vecsub¡¢veclengthÕâЩÃüÁîÔÚÄÄÀï¿ÉÒÔѧϰһÏ£¿¸ù±¾²»ÖªµÀËüÃǵÄÓÃ;£¿Çë¸øÒ»¸ö¹ØÓÚÕâÀàÃüÁîµÄÈ«ÃæµÄѧϰ×ÊÁÏ£¡£¡£¡Ê®·Ö¸Ðл£¡ ÁíÍ⣬Õâ¾äset thetai [expr acos ([expr [lindex $vecd 2] / [veclength $vecd]])]µÄÒâ˼ #Ë®µÄż¼«u¸úzÖá(0 0 1)µÄ¼Ð½Ç, cos(theta) = u(z)/|u|¿´²»¶®°¡£¿ ÎÒµÄÀí½âÊÇ£ºlindex $vecd 2 #ÊÇOÔ×ÓµÄλÖÃʸÁ¿ veclength $vecd #OÔ×Óµ½HÖеãµÄʸÁ¿|u| ËùÒÔ£¬set thetai [expr acos ([expr [lindex $vecd 2] / [veclength $vecd]])] ²¢²»ÊÇÕæÕýµÄ#Ë®µÄż¼«u¸úzÖá(0 0 1)µÄ¼Ð½Ç, cos(theta) = u(z)/|u| ÕýÔÚÑо¿Äã¸øµÄÕâ¸ö½Å±¾ÖУ¡ [ Last edited by jianchaoyv on 2010-6-25 at 16:12 ] |
6Â¥2010-06-25 15:28:58
bay__gulf
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jianchaoyv(½ð±Ò+3): 2010-06-26 08:49:39
lei0736(½ð±Ò+3):лл 2010-06-26 09:17:42
jianchaoyv(½ð±Ò+3): 2010-06-26 08:49:39
lei0736(½ð±Ò+3):лл 2010-06-26 09:17:42
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ÇëÎÊvecadd¡¢vecscale¡¢vecsub¡¢veclengthÕâЩÃüÁîÔÚÄÄÀï¿ÉÒÔѧϰһÏ£¿¸ù±¾²»ÖªµÀËüÃǵÄÓÃ;£¿Çë¸øÒ»¸ö¹ØÓÚÕâÀàÃüÁîµÄÈ«ÃæµÄѧϰ×ÊÁÏ£¡£¡£¡Ê®·Ö¸Ðл£¡ ==== vmd ug µÄµÚ10Õ½²µÄÊÇVectors and Matrices Õâ¸öug ½ö½öÊÇvmd ÌØÓеĺͳ£ÓõÄtcl ÃüÁî, ¸üÉîÈëÁ˽âÐèÒªTcl µÄ×ÊÁÏ lindex $vecd 2 #ÊÇOÔ×ÓµÄλÖÃʸÁ¿ === vecd ÊÇż¼«Ê¸Á¿, lindex $vecd 2 ÊÇż¼«µÄz ·ÖÁ¿ veclength $vecd ÊÇż¼«µÄ³¤¶È ºÜÈÙÐÒ×Ô¼ºµÄ¹¤×÷±»±ðÈË·ÖÎöºÍÒýÓà |
7Â¥2010-06-25 16:34:06
coolrainbow
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jianchaoyv(½ð±Ò+2): 2010-06-26 08:49:58
lei0736(½ð±Ò+2):лл 2010-06-26 09:18:03
jianchaoyv(½ð±Ò+2): 2010-06-26 08:49:58
lei0736(½ð±Ò+2):лл 2010-06-26 09:18:03
|
ÔÞ£¡bay_gulf ¿ÉÊÇÕâÀïˮƽ¼«¸ß¶øÓÖÈÈÐÄÖúÈ˵ĸßÊÖÖ®Ò»°¡ ½¨ÒéÄã¿ÉÒÔÓÃÒ»ÌìµÄʱ¼äѧѧTCLÓïÑÔ£¬ÔÙ¿´¿´vmdÖÐÌØÓеÄÃüÁÔÙѧϰ¼¸¸önamdÖÐÒÑÓеÄtcl½Å±¾×÷Ϊ·¶Àý£¬»ù±¾ÉÏÄã¾Í¿ÉÒÔ×Ô¼ºÐ´½Å±¾ÁË ´¿tclÍÆ¼öѧϰ£ºPractical Programming in Tcl and Tk, Fourth Edition |

8Â¥2010-06-25 21:08:01
jianchaoyv
½ð³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
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bay__gulfȷʵÊÇÅ£ÈË£¬Ò²ºÜÄÍÐÄ£¡ ÎÒ°ÑÄãÄǶγÌÐòµÄÀí½âдÏÂÀ´£º ³ÌÐò¿ªÊ¼µ½´ËÒÑÀí½â set theta [expr $theta/$n ] #¶Ôÿ֡ËùÓÐË®·Ö×Óż¼«¾àÇ󯽾ù£¬ÁíÍ⣬Õâ¸ötheta½ÇÊǸúZÖáÕý°ëÖáµÄ¼Ð½Ç°É£¿¶ø¿´µ½µÄÎÄÏ×Öдó¶¼ÊÇËãµÄÓëZÖḺ°ëÖáµÄ¼Ð½Ç£¬¸Ð¾õûʲô²î±ð£¬ÕâÑùÀí½â¶àÂ𣿠set costheta [expr cos ([expr $theta*3.1416/180.0])]#Çócos(theta) set lgd [expr $lgd + [expr $costheta * $costheta]]#ÓÃÓÚÇó²»Í¬Ö¡µÄcos(theta)^2ÇóºÍ puts $fr #Êä³öµÚ¼¸Ö¡ puts $outf [format " %f" $theta] Êä³ö¸ÃÖ¡ÏÂË®·Ö×Óż¼«¾àµÄƽ¾ùÖµ $wt delete } set lgd [expr $lgd / $numFrame * 1.5 - 0.5] #¶ÔËùÓÐÖ¡µÄ2½×ÀÕÈõº¯ÊýÇ󯽾ù puts "3*<(cos¦È)^2> - 1 = $lgd" #Êä³öP2µÄƽ¾ùÖµ close $outf ¶ÔÉÏÃæµÄ½âÊÍÈôÓдíÎóÇëÖ¸Õý£¬»¹ÏëÇë½ÌÒ»ÏÂËãP2ÓÃÀ´±íÕ÷ʲôµÄ£¿²»ÖªµÀËãP2µÄÄ¿µÄ¡£ Èôset theta [expr $theta/$n ] #¶Ôÿ֡ËùÓÐË®·Ö×Óż¼«¾àÇ󯽾ù£¬Àí½âÕýÈ·µÄ»°£¬Ò²¾ÍĬÈÏÁËÿ֡ÀïµÄËùÓÐË®·Ö×ӵĿ¼«¾à·½Ïò¶¼Ò»ÑùÁË£¬¸Ð¾õͬһ֡²»Í¬Î»ÖõÄË®·Ö×Óż¼«¾à»¹ÊÇÓпÉÄܲ»Í¬µÄ£¬ÓÐÕâÖÖ¿ÉÄÜÂ𣿠[ Last edited by jianchaoyv on 2010-6-26 at 10:09 ] |
9Â¥2010-06-26 09:48:01
bay__gulf
½ð³æ (ÖøÃûдÊÖ)
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Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
lei0736(½ð±Ò+3):лл 2010-06-26 11:43:25
Сľ³æ(½ð±Ò+0.5):¸ø¸öºì°ü£¬Ð»Ð»»ØÌû½»Á÷
lei0736(½ð±Ò+3):лл 2010-06-26 11:43:25
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Àí½âºÜÕýÈ· Ϊʹ³ÌÐòºÃÀí½â, ÐÞ¸ÄÁ˵ãÊý¾Ý water and name OH2 and z < 7.6 and z > -7.6 ÕâÊÇÕû¸ö¹Ü×ÓÖеÄË® ¸Ä±äz µÄÉÏÏÂÏÞ, ¿ÉÒÔÇóµÃһС¶ÎÇøÓòÖÐ, Ë®µÄƽ¾ùż¼«·½Ïò ¶à×ö¼¸¸öλÖÃ, ¿ÉÒÔÇóµÃ²»Í¬Î»ÖõÄÊýÖµ [ Last edited by bay__gulf on 2010-6-26 at 10:37 ] |
10Â¥2010-06-26 10:36:53













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