Return bond block

Description

Returns bond block(s) from an object of class SDF or SDFset.

Usage

bondblock(x)

Arguments

Details

...

Value

matrix if SDF is provided or list of matrices if SDFset is provided

Author(s)

Thomas Girke

References

...

See Also

header, atomcount, atomblock, datablock, cid, sdfid

Examples

## SDF/SDFset instances
data(sdfsample)
sdfset <- sdfsample
sdf <- sdfset[[1]]

## Extract bond block
bondblock(sdf)
bondblock(sdfset[1:4])

## Replacement methods
sdfset[[1]][[3]][1,1] <- 999
sdfset[[1]]
bondblock(sdfset)[1:2] <- bondblock(sdfset)[3:4]
bondblock(sdfset[[1]]) == bondblock(sdfset[[3]]) 
view(sdfset[1:2])