transform_one_polhemus <- function(filename, num.sources = 49){
warning('transform_one_polhemus is obsolete. Try using transform_polhemus instead.')
data <- read.table(filename, header = F)
if (length(data$V1) == num.sources){
data_short <- select(data, c(2, 3, 4))
#rescale to mm
data_short <- data_short*10
#add empty rows
empty <- data.frame(0,0,0)
names(empty)[c(1:3)] <- c('V2', 'V3', 'V4')
data_short2 <- rbind(data_short[1:23,],empty,
data_short[24:30,], empty,
data_short[31:37,], empty,
data_short[38:44,], empty,
data_short[45:49,])
#add marker names
a<- c('nz:', 'ar:', 'al:', 'cz:', 'iz:', paste('s', 1:16, ':', sep =''),
paste('d', 1:32, ':', sep = ''))
a2 <- as.character(a)
new_data <- cbind(a2,data_short2)
write.table(new_data, file = 'digpts.txt', row.names = F, col.names = F, quote = F)
print('File successfully transformed and saved in working directory')
}
else{
print('Dataframe does not contain correct number of sources')
}
}
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