cmcR (version 0.1.11)

preProcess_crop: Remove observations from the exterior of interior of a breech face scan

Description

Remove observations from the exterior of interior of a breech face scan

Usage

preProcess_crop(x3p, region = "exterior", offset = 0, ...)

Value

An x3p object containing the surface matrix of a breech face impression scan where the observations on the exterior/interior of the breech face scan surface.

Arguments

x3p

an x3p object containing the surface matrix of a cartridge case scan

region

dictates whether the observations on the "exterior" or "interior" of the scan are removed

offset

an integer (positive or negative) value to add to the estimated radius of the associated region

...

internal usage

Examples

#Process fadul1.1 "from scratch" (takes > 5 seconds to run)
if (FALSE) {
nbtrd_link <- "https://tsapps.nist.gov/NRBTD/Studies/CartridgeMeasurement/"
fadul1.1_link <- "DownloadMeasurement/2d9cc51f-6f66-40a0-973a-a9292dbee36d"

fadul1.1 <- x3ptools::read_x3p(paste0(nbtrd_link,fadul1.1_link))

fadul1.1_extCropped <- preProcess_crop(x3p = fadul1.1,
                                       radiusOffset = -30,
                                       region = "exterior")

fadul1.1_extIntCropped <- preProcess_crop(x3p = fadul1.1_extCropped,
                                          radiusOffset = 200,
                                          region = "interior")

x3pListPlot(list("Original" = fadul1.1,
                 "Exterior Cropped" = fadul1.1_extCropped,
                 "Exterior & Interior Cropped" = fadul1.1_extIntCropped ))
}