index.tangram: Generate an an index from a tangram object
Description
Given a tangram class create an index representation.
Usage
# S3 method for tangram
index(object, id = "tangram", key.len = 4, ...)
Value
A matrix of strings containing key, source and value
Arguments
- object
The tangram for indexing
- id
an additional specifier for the object key
- key.len
numeric; length of keys generated (affects collision probability)
- ...
additional arguments to renderer. Unused