Category: Action Commands

dihrms

Calculate the RMSD of dihedrals to dihedrals in a reference structure. dihedralrms [<name>] <dihedral types> [out <file>] [ first | reference | ref <name> | refindex <#> | previous | reftraj <name> [parm <name> | parmindex <#>] ]… Read More

keep

Keep specified atoms in system. keep [ bridgedata <bridge data set>      [nbridge <#>]      [nobridgewarn]      [bridgeresname <res name>] bridgeresonly <resrange>] ]      [keepmask <atoms to keep>]      [charge <new charge>]  … Read More

radial | rdf

Calculate radial distribution function. radial [out <outfilename>] <spacing> <maximum> <solvent mask1> [<solute mask2>] [noimage] [density <density> | volume] [<dataset name>][intrdf <file>] [rawrdf <file>] [{{center1|center2|nointramol} | [byres1] [byres2] [bymol1] [bymol2]}]] out <outfilename> File to write RDF to, required. <spacing>… Read More

watershell

Calculate the number of waters in the first and second solvation shells based on distance critera. watershell <solutemask> [out <filename>] [lower <lower cut>] [upper <upper cut>] [noimage] [<solventmask>] <solutemask> Atom mask corresponding to solute of interest (required). [out… Read More

volmap

Create volumetric map for specified coordinates; similar to grid but takes into account atomic radii. Similar to VMD volmap. volmap filename dx dy dz <mask> [radscale <factor>] { data <existing set> | name <setname> { size <x,y,z> [center… Read More

velocityautocorr

Calculate velocity autocorrelation function. velocityautocorr [<set name>] [<mask>] [usevelocity] [out <filename>] [diffout <file>] [maxlag <frames>] [tstep <timestep>] [direct] [norm] [<set name>] Data set name. [<mask>] Atoms(s) to calculate velocity autocorrelation (VAC) function for. [usevelocity] Use velocity information in… Read More

vector

Calculate various types of vector quantities. vector [<name>] <Type> [out <filename> [ptrajoutput]] [<mask1>] [<mask2>] [magnitude] [geom] [ired] [gridset <grid>] [debye] <Type> = { mask | minimage | dipole | center | corrplane | box | boxcenter | ucellx… Read More