preProcess_crop {cmcR}

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, ...)

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

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.

Examples

#Process fadul1.1 "from scratch" (takes > 5 seconds to run)
## Not run: 
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 ))

## End(Not run)