View source: R/xrd.find.Peak.R
xrd.find.Peak | R Documentation |
Fits a Gaussian form to a peak
xrd.find.Peak(
TwoTheta,
Intensity,
peakPos = NA,
Try.Sigma = c(0.1, 0.4, 0.2, 0.15),
thetaDelta = 5,
verbose = FALSE
)
TwoTheta |
angle |
Intensity |
intensity signal |
peakPos |
approximate angle of peak position |
Try.Sigma |
vector with peak widths used to start fitting |
thetaDelta |
width of angle to search peak |
verbose |
logical, if |
fit peak position
filename = xrd.getSampleFiles(fileExt='asc')[1]
d = xrd.read.ASC(filename)
peak.pos = xrd.find.Peak(d$theta, d$I, 38.2)
plot(d$theta,d$I,log='y',col='red')
abline(v=peak.pos,col='blue')
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