Heatmap_Legend: Makes a legend for plotting surfaces (e.g., population...

Usage Arguments Examples

View source: R/Heatmap_Legend.R

Usage

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Heatmap_Legend(colvec, heatrange, margintext = NULL)

Arguments

colvec
heatrange
margintext

Examples

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##---- Should be DIRECTLY executable !! ----
##-- ==>  Define data, use random,
##--	or do  help(data=index)  for the standard data sets.

## The function is currently defined as
function (colvec, heatrange, margintext = NULL) 
{
    par(xaxs = "i", yaxs = "i", mar = c(1, 0, 1, 2 + ifelse(is.null(margintext), 
        0, 1.5)), mgp = c(1.5, 0.25, 0), tck = -0.02)
    N = length(colvec)
    Y = seq(heatrange[1], heatrange[2], length = N + 1)
    plot(1, type = "n", xlim = c(0, 1), ylim = heatrange, xlab = "", 
        ylab = "", main = "", xaxt = "n", yaxt = "n", cex.main = 1.5)
    for (i in 1:N) polygon(x = c(0, 1, 1, 0), y = Y[c(i, i, i + 
        1, i + 1)], col = colvec[i], border = NA)
    axis(side = 4, at = pretty(heatrange))
    if (!is.null(margintext)) 
        mtext(side = 4, text = margintext, line = 2, cex = 1.5)
  }

James-Thorson/spatial_condition_factor documentation built on May 7, 2019, 10:20 a.m.