inst/buildScripts/chipTypes/GenomeWideSNP_5/na26/GenomeWideSNP_5,UFL,na26.R

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

if (interactive()) savehistory();
library("aroma.affymetrix");
log <- Verbose(threshold=-10, timestamp=TRUE);


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# Settings
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naVersion <- "26";
user <- "HB";
datestamp <- "20080822";

chipType <- "GenomeWideSNP_5";
cdfTags <- "Full,r2";
nbrOfEnzymes <- 2;

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# Setup required annotation files
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if (!exists("cdf")) {
  cdf <- AffymetrixCdfFile$byChipType(chipType, tags=cdfTags);
  rm(csvList);
}
print(cdf);

if (!exists("csvList", mode="list")) {
  csvList <- list();

  tagsList <- c(
      main=sprintf(   ".na%s", naVersion),
      cn=sprintf(".cn.na%s", naVersion)
  );

  for (key in names(tagsList)) {
    tags <- tagsList[[key]];
    pathname <- AffymetrixNetAffxCsvFile$findByChipType(chipType, tags=tags);
    if (isFile(pathname)) {
      csvList[[key]] <- AffymetrixNetAffxCsvFile(pathname);
    }
    rm(tags);
  }
}
print(csvList);


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# Import UFL from CSV files
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tags <- sprintf("na%s,%s%s", naVersion, user, datestamp);
ufl <- NULL;
tryCatch({
  ufl <- AromaUflFile$byChipType(getChipType(cdf), tags=tags);
}, error = function(ex) {})
if (is.null(ufl)) {
  ufl <- AromaUflFile$allocateFromCdf(cdf, tags=tags, nbrOfEnzymes=nbrOfEnzymes);
}
print(ufl);

for (kk in seq_along(csvList)) {
  csv <- csvList[[kk]];
  print(csv);
  units <- importFrom(ufl, csv, verbose=log);
  str(units);
  ## GenomeWideSNP_6.na26.annot.csv:    int [1:934968] 334945 334944 ...
  ## GenomeWideSNP_6.cn.na26.annot.csv: int [1:945826] 935622 935777 ...
}


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# Update the file footer
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if (!exists("srcFileTags", mode="list")) {
  srcFileTags <- list();
  srcFiles <- c(list(cdf), csvList);
  for (kk in seq_along(srcFiles)) {
    srcFile <- srcFiles[[kk]];
    tags <- list(
      filename=getFilename(srcFile), 
      filesize=getFileSize(srcFile), 
      checksum=getChecksum(srcFile)
    );
    srcFileTags[[kk]] <- tags;
  }
  print(srcFileTags);
}

footer <- readFooter(ufl);
footer$createdOn <- format(Sys.time(), "%Y%m%d %H:%M:%S", usetz=TRUE);
footer$createdBy = list(
  fullname = "Henrik Bengtsson", 
  email = sprintf("%s@%s", "henrik.bengtsson", "aroma-project.org")
);
names(srcFileTags) <- sprintf("srcFile%d", seq_along(srcFileTags));
footer$srcFiles <- srcFileTags;
writeFooter(ufl, footer);


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# Statistics
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print(ufl);

x <- summaryOfUnits(ufl);
print(x);