R/SnpChipEffectNnn.writeCNT.R

In aroma.affymetrix: Analysis of Large Affymetrix Microarray Data Sets

setMethodS3("writeCNT", "SnpChipEffectFile", function(this, reference, filename=NULL, path=".", tags=NULL, fields=c("Log2Ratio", "FreqB"), chromosomes=NULL, digits=3, ..., overwrite=FALSE, verbose=FALSE) {
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Validate arguments
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Argument 'fields':
  fields <- match.arg(fields, several.ok=TRUE)

  # Arguments 'tags':
  if (is.null(tags)) {
    if (!all(fields == c("Log2Ratio", "FreqB")))
      tags <- c(tags, fields)
  }

  # Arguments 'filename':
  if (is.null(filename)) {
    fullname <- getFullName(this)
    fullname <- gsub(",chipEffects", "", fullname, fixed=TRUE)
    fullname <- paste(c(fullname, tags), collapse=",")
    filename <- sprintf("%s.cnt", fullname)
  }

  # Arguments 'filename' & 'path':
  pathname <- Arguments$getWritablePathname(filename, path=path, mustNotExist=!overwrite)

  # Argument 'verbose':
  verbose <- Arguments$getVerbose(verbose)
  if (verbose) {
    pushState(verbose)
    on.exit(popState(verbose))
  }


  verbose && enter(verbose, "Writing CNT file")
  verbose && cat(verbose, "Pathname: ", pathname)

  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Get annotation data
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  cdf <- getCdf(this)
  gi <- getGenomeInformation(cdf)
  allChromosomes <- getChromosomes(gi)
  if (is.null(chromosomes)) {
    chromosomes <- allChromosomes
  } else {
    chromosomes <- intersect(chromosomes, allChromosomes)
  }

  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Write CNT file
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  con <- file(pathname, open="w")
  on.exit(close(con))

  verbose && enter(verbose, "Extract CNT data")
  data <- extractCNT(this, reference=reference, fields=fields, chromosomes=chromosomes, ..., verbose=less(verbose,5))
  if (nrow(data) > 0) {
    # Round signals
    cc <- which(sapply(data, FUN=is.double))
    data[,cc] <- round(data[,cc], digits=digits)
  }
  verbose && str(verbose, data)
  verbose && exit(verbose)

  # Write CNT header
  verbose && enter(verbose, "Writing CNT header")
  cat(file=con, "[Header]\n")
  chipType <- getChipType(cdf)
  chipType <- gsub(",monocell", "", chipType, fixed=TRUE)
  cat(file=con, sprintf("ChipType1=%s\n", chipType))
  cat(file=con, "[ColumnName]\n")
  cat(file=con, paste(colnames(data), collapse="\t"), "\n", sep="")
  verbose && exit(verbose)

  # Write CNT data
  verbose && enter(verbose, "Writing CNT data")
  cat(file=con, "[Data]\n")
  write.table(file=con, data, sep="\t", row.names=FALSE, col.names=FALSE, 
                                                              quote=FALSE)
  # Not needed anymore
  data <- NULL
  verbose && exit(verbose)

  verbose && exit(verbose)

  invisible(pathname)
}, protected=TRUE)




setMethodS3("writeCNT", "SnpChipEffectSet", function(this, reference, filename=NULL, path=".", tags=NULL, fields=c("Log2Ratio", "FreqB"), chromosomes=NULL, digits=3, ..., overwrite=FALSE, verbose=FALSE) {
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Validate arguments
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Argument 'fields':
  fields <- match.arg(fields, several.ok=TRUE)

  # Arguments 'tags':
  if (is.null(tags)) {
    if (!all(fields == c("Log2Ratio", "FreqB")))
      tags <- c(tags, fields)
  }

  # Arguments 'filename':
  if (is.null(filename)) {
    fullname <- getFullName(this)
    fullname <- paste(c(fullname, tags), collapse=",")
    filename <- sprintf("%s.cnt", fullname)
  }

  # Arguments 'filename' & 'path':
  pathname <- Arguments$getWritablePathname(filename, path=path, mustNotExist=!overwrite)

  # Argument 'verbose':
  verbose <- Arguments$getVerbose(verbose)
  if (verbose) {
    pushState(verbose)
    on.exit(popState(verbose))
  }


  verbose && enter(verbose, "Writing CNT file")
  verbose && cat(verbose, "Pathname: ", pathname)

  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Get annotation data
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  cdf <- getCdf(this)
  gi <- getGenomeInformation(cdf)
  allChromosomes <- getChromosomes(gi)
  if (is.null(chromosomes)) {
    chromosomes <- allChromosomes
  } else {
    chromosomes <- intersect(chromosomes, allChromosomes)
  }

  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  # Write CNT file
  # - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 
  con <- file(pathname, open="w")
  on.exit(close(con))

  # Write CNT header
  verbose && enter(verbose, "Writing CNT header")
  cat(file=con, "[Header]\n")
  chipType <- getChipType(cdf)
  chipType <- gsub(",monocell", "", chipType, fixed=TRUE)
  cat(file=con, sprintf("ChipType1=%s\n", chipType))
  cat(file=con, "[ColumnName]\n")
  data <- extractCNT(this, reference=reference, fields=fields, chromosomes=99, ...)
  cat(file=con, paste(colnames(data), collapse="\t"), "\n", sep="")
  # Not needed anymore
  data <- NULL
  verbose && exit(verbose)

  # Write CNT data
  verbose && enter(verbose, "Writing CNT data")
  cat(file=con, "[Data]\n")
  for (chr in chromosomes) { 
    verbose && enter(verbose, sprintf("Chromosome %d", chr))
    data <- extractCNT(this, reference=reference, fields=fields, chromosomes=chr, ...)

    if (nrow(data) > 0) {
      # Round signals
      cc <- which(sapply(data, FUN=is.double))
      data[,cc] <- round(data[,cc], digits=digits)

      # Write to file
      write.table(file=con, data, sep="\t", row.names=FALSE, col.names=FALSE, 
                                                                quote=FALSE)
    }
    # Not needed anymore
    data <- NULL
    verbose && exit(verbose)
  } # for (chr ...)
  verbose && exit(verbose)

  verbose && exit(verbose)

  invisible(pathname)
}, protected=TRUE)