Index to BTCL Commands


Listed by function or alphabetically.

Explanation of how commands are documented.


BTCL Commands Listed by Function

Molecular Operations and I/O

begin
read in the molecular system and the forcefield
molGeom
get and set geometric properties of molecules
readFile
read in a data file
reset
reread the molecular data files and forcefield
subStructure
list all atoms connected to an atom that are not also bonded to a second atom
writeFile
write a data file

Calculations

atomMovability
set and unset movability characteristics of atoms
cellParameter
get and set cell parameters
dynamics
perform molecular dynamics simulations
energy
perform a single energy evaluation and calculate first and second derivatives
energyContribution
pass energy and energy gradient contributions from user-defined TCL routines to the Discover program
forcefield
select a forcefield, change and scale the contributions from various energy terms
minimize
refine the structure of a molecular system
rattle
set up constraints in bonds, angles, or water molecules for a dynamics run
restraint
create, delete, and scale restraints on relationships among atoms

Analysis and Output

analyzeNonbond
calculate and examine repulsive, dispersive, and electrostatic energy components of individual atoms and total nonbond interaction energies between sets of atoms
diffraction
calculate the X-ray, neutron, or electron scattering pattern
history
manipulate the history information from a dynamics run
output
control the amount of printing to the output file
print
write out information for various system properties
vibrationalAnalysis
perform normal mode analysis

Database Operations

database
perform operations on databases
$dbHandle
used to access data within a database
object
extract or print information from a BTCL object variable
pseudoAtom
create, access, and update pseudoatoms
select
create a list of row numbers from a hierarchial database
subset
create or access subsets of objects in a database

Geometry and Math Operations

geometry
create, review, and manipulate geometry objects
vector
for vector manipulation

Miscellaneous

help
print information about commands
ipc commands
commands for interprocess control
peek
control the monitoring of iterative processes in minimization and dynamics calculations
Main access page Advanced-Use access.


Alphabetical List of BTCL Commands

analyzeNonbond
calculate and examine repulsive, dispersive, and electrostatic energy components of individual atoms and total nonbond interaction energies between sets of atoms
atomMovability
set and unset movability characteristics of atoms
begin
read in the molecular system and the forcefield
cellParameter
get and set cell parameters
database
perform operations on databases
$dbHandle
used to access data within a database
diffraction
calculate the X-ray, neutron, or electron scattering pattern
dynamics
perform molecular dynamics simulations
energy
perform a single energy evaluation and calculate first and second derivatives
energyContribution
pass energy and energy gradient contributions from user-defined TCL routines to the Discover program
forcefield
select a forcefield, change and scale the contributions from various energy terms
geometry
create, review, and manipulate geometry objects
help
print information about commands
history
manipulate the history information from a dynamics run
ipc commands
commands for interprocess control
minimize
refine the structure of a molecular system
molGeom
get and set geometric properties of molecules
object
extract or print information from a BTCL object variable
output
control the amount of printing to the output file
peek
control the monitoring of iterative processes in minimization and dynamics calculations
print
write out information for various system properties
pseudoAtom
create, access, and update pseudoatoms
rattle
set up constraints in bonds, angles, or water molecules for a dynamics run
readFile
read in a data file
reset
reread the molecular data files and forcefield
restraint
create, delete, and scale restraints on relationships among atoms
select
create a list of row numbers from a hierarchial database
subset
create or access subsets of objects in a database
subStructure
list all atoms connected to an atom that are not also bonded to a second atom
vector
for vector manipulation
vibrationalAnalysis
perform normal mode analysis
writeFile
write a data file

Main access page Advanced-Use access.

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