root.density {xps}R Documentation

ROOT Density Plot

Description

Creates a ROOT density plot for one or all ROOT tree(s).

Usage

root.density(x, treename = "*", logbase = "log2", canvasname = "DensityPlot", save.as = "", w = 540, h = 540)

Arguments

x object of class DataTreeSet or ExprTreeSet.
treename name of tree, must be present in rootfile of object x.
logbase usually “log2”, or “0”, determines if leaf data should be converted to log.
canvasname name of ROOT canvas
save.as gaphics tye for saving canvas, one of “ps”, “eps”, “pdf”, “jpg”, “gif”, “png”, “tiff”
w the width of the canvas in pixels.
h the height of the canvas in pixels.

Details

Creates a ROOT density plot for one or all tree(s) present in rootfile.

By selecting menu “File->Save->canvasname.xxx” you can save the figure as e.g. *gif, *.jpg, *.pdf, *.ps or even as C++ macro.

Alternatively, you can save the plot by setting save.as. However, this will close the canvas immediately after opening it.

Note

Always select menu item “Quit ROOT” from menu “File” to close the ROOT canvas, otherwise you are in the CINT C/C++ interpreter from ROOT. To exit CINT, you need to type “.q”.

Author(s)

Christian Stratowa

See Also

root.hist1D

Examples

## Not run: 
## first, load ROOT scheme file and ROOT data file
scheme.test3 <- root.scheme(paste(.path.package("xps"),"schemes/SchemeTest3.root",sep="/"))
data.test3 <- root.data(scheme.test3, paste(.path.package("xps"),"rootdata/DataTest3_cel.root",sep="/"))

root.density(data.test3, "*")
root.density(data.test3, "TestA1.cel")
root.density(data.test3, "TestA1.cel", save.as="png")
## End(Not run)

[Package xps version 1.2.10 Index]