Category: CPPTRAJ

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

unstrip

Undo all previous strip Action commands. Requests that the original topology and frame be used for all following actions. This has the effect of undoing any command that modifies the state (such as strip). For example, the following… Read More

symmrmsd

Calculate symmetry-corrected RMSD. symmrmsd [<name>] [<mask>] [<refmask>] [out <filename>] [nofit] [mass] [remap] [ first | reference | ref <name> | refindex <#> | previous | reftraj <name> [parm <parmname> | parmindex <#>] ] [<name>] Output data set name…. Read More

surf

Calculate the LCPO surface area of specified atoms. Can do partial surface areas. surf [<name>] [<mask1>] [out <filename>] [solutemask <mask>] [offset <offset>] [nbrcut <cut>] <name> Output data set name. <mask1> Atoms to calculate surface area for. out <filename>… Read More