R/plotMassSpec.R

In TIMP: Fitting Separable Nonlinear Models in Spectroscopy and Microscopy

"plotMassSpec" <-
  function(multimodel, t, plotoptions) {
    oldpar <- par(no.readonly = TRUE)
    on.exit(par(oldpar))
    m <- multimodel@modellist
    resultlist <- multimodel@fit@resultlist

    kinspecerr <- plotoptions@kinspecerr
    superimpose <- plotoptions@superimpose

    if (length(superimpose) < 1 || any(superimpose > length(m))) {
      superimpose <- 1:length(m)
    }

    allx2 <- allx <- vector()
    for (i in 1:length(m)) {
      allx2 <- append(allx2, m[[i]]@x2)
      allx <- append(allx, m[[i]]@x)
    }
    specList <- list()
    maxs <- mins <- maxspecdim <- 0
    specList <- getSpecList(multimodel, t)

    maxA <- lapply(specList, max)
    maxs <- max(unlist(maxA)[superimpose])

    minA <- lapply(specList, min)
    mins <- min(unlist(minA)[superimpose])

    maxspecdim <- max(unlist(lapply(specList, ncol))[superimpose])

    if (dev.cur() != 1) {
      dev.new()
    }
    par(
      mgp = c(2, 1, 0), mar = c(0, 0, 0, 0), oma = c(1, 0, 4, 0),
      mfrow = c(ceiling(ncol(specList[[1]]) / 2), 2)
    )
    ## make 1 row 2 col if only plotting 2 comp.
    if (ceiling(ncol(specList[[1]]) / 2) == 1) par(mfrow = c(2, 1))
    xlim <- c(min(allx2), max(allx2))
    ylim <- vector()

    if (length(plotoptions@xlimspec) == 2) {
      xlim <- plotoptions@xlimspec
    }
    if (length(plotoptions@ylimspec) == 2) {
      ylim <- plotoptions@ylimspec
    }
    if (length(ylim) == 0) {
      ylim <- c(mins, maxs)
    }
    if (length(plotoptions@ylimspecplus) == 2) {
      ylim <- ylim + plotoptions@ylimspecplus
    }
    if (plotoptions@normspec) {
      ylim <- c(-1, 1)
    }
    if (kinspecerr) {
      errtList <- getSpecList(multimodel, t, getclperr = TRUE)
    }
    plotted <- FALSE

    for (i in 1) { ## note that are just plotting dataset's spectra
      if (i %in% superimpose) {
        if (kinspecerr) {
          if (plotoptions@writeclperr) {
            write.table(errtList[[i]],
              file = paste(plotoptions@makeps,
                "_std_err_clp_", i, ".txt",
                sep = ""
              ),
              quote = FALSE, row.names = m[[i]]@x2
            )
          }
        }
        if (plotoptions@normspec) {
          sp <- normdat(specList[[i]])
        } else {
          sp <- specList[[i]]
        }
        for (j in 1:ncol(sp)) {
          if (kinspecerr) {
            plotCI(m[[i]]@x2, sp[, j],
              uiw = errtList[[i]][, j],
              main = "", xlab = plotoptions@xlab,
              ylab = "amplitude",
              lty = 1, ## xlim =xlim,ylim=ylim,
              col = j, sfrac = 0, type = "l", gap = 0,
              add = !(i == 1), labels = ""
            )
          } else {
            if (plotoptions@normspec) {
              mm <- max(sp[, j])
              mi <- min(sp[, j])
              ylim <- c(mi, mm)
            }

            names.side <- 0
            if (j <= 2) {
              names.side <- 3
            }
            if (j >= (ncol(sp) - 1)) {
              names.side <- 1
              par(mar = c(2, 0, 0, 0))
            }
            if (names.side != 0) {
              barplot3(sp[, j],
                col = j, border = j,
                ylim = ylim, names.arg = m[[i]]@x2,
                names.side = names.side,
                names.by = plotoptions@axis.by,
                axes = FALSE
              )
            } else {
              barplot3(sp[, j],
                col = j, border = j,
                ylim = ylim, axes = FALSE
              )
            }
          }
        }
      }
      if (length(plotoptions@title) != 0) {
        tit <- plotoptions@title
        if (plotoptions@addfilename) tit <- paste(tit, m[[i]]@datafile)
      } else {
        tit <- ""
        if (plotoptions@addfilename) tit <- paste(tit, m[[i]]@datafile)
      }
      mtext(tit, side = 3, outer = TRUE, line = 1)
      par(las = 2)
    }
    abline(0, 0)
    if (dev.interactive() && length(plotoptions@makeps) != 0) {
      if (plotoptions@output == "pdf") {
        pdev <- pdf
      } else {
        pdev <- postscript
      }

      dev.print(
        device = pdev,
        file = paste(plotoptions@makeps, "_massspec.",
          plotoptions@output,
          sep = ""
        )
      )
    }
  }