xps (version 1.32.0)

getNumberTrees: Get Number of Trees

Description

Get number of trees stored in a ROOT file.

Usage

getNumberTrees(rootfile, treetype = "*", setname = NULL)

Arguments

rootfile

name of ROOT file, including full path.

treetype

tree type.

setname

name of ROOT subdirectory containing trees.

Value

Number of trees.

Details

Extracts the number of trees of treetype stored in ROOT file rootfile. Valid tree types are listed in validTreetype. For treetype="*" the total number of trees in rootfile are returned. If setname is provided, only trees in subdirectory setname are counted.

Examples

getNumberTrees(paste(path.package("xps"),"schemes/SchemeTest3.root",sep="/"))
getNumberTrees(paste(path.package("xps"),"rootdata/DataTest3_cel.root",sep="/"))