## latticist: a Lattice-based exploratory visualisation GUI
##
## Copyright (c) 2008 Felix Andrews <felix@nfrac.org>
## GPL version 2 or newer
panel.usertext <-
function(x, y = NULL, labels = seq_along(x), col = user.text$col,
alpha = user.text$alpha, cex = user.text$cex, srt = 0, lineheight = user.text$lineheight,
font = user.text$font, fontfamily = user.text$fontfamily, fontface = user.text$fontface,
adj = c(0.5, 0.5), pos = NULL, offset = 0.5, ...)
{
user.text <- current.user.text()
panel.text(x, y, labels, col = col, alpha = alpha, cex = cex, srt = srt,
lineheight = lineheight, font = font, fontfamily = fontfamily,
fontface = fontface, adj = adj, pos = pos, offset = offset, ...)
}
current.user.text <- function() {
user.text <- trellis.par.get("user.text")
if (is.null(eval(user.text))) {
user.text <- trellis.par.get("add.text")
}
user.text
}
current.brush.symbol <- function() {
brush.symbol <- trellis.par.get("brush.symbol")
if (is.null(eval(brush.symbol))) {
## defaults:
brush.symbol <-
list(pch = 21, col = "black", fill = "yellow",
alpha = 1, cex = 0.8, font = 1)
plot.symbol <- trellis.par.get("plot.symbol")
## take cex from plot.symbol
brush.symbol$cex <- plot.symbol$cex
## use filled equivalent to current plot symbol
ppch <- as.character(plot.symbol$pch)
pch <- 21 ## circle, default
if (ppch %in% c("0", "7", "12", "15", "22")) {
pch <- 22 ## square
} else if (ppch %in% c("5", "9", "18", "23")) {
pch <- 23 ## diamond
} else if (ppch %in% c("2", "17", "24")) {
pch <- 24 ## up triangle
} else if (ppch %in% c("6", "25")) {
pch <- 25 ## down triangle
}
brush.symbol$pch <- pch
}
brush.symbol
}
current.brush.line <- function() {
brush.line <- trellis.par.get("brush.line")
if (is.null(eval(brush.line))) {
## defaults:
brush.line <- list(col = "red", alpha = 1,
lwd = 2, lty = 1)
}
brush.line
}
panel.brushpoints <-
function(x, y = NULL, col = brush.symbol$col, pch = brush.symbol$pch,
alpha = brush.symbol$alpha, fill = brush.symbol$fill, cex = brush.symbol$cex, ...)
{
brush.symbol <- current.brush.symbol()
panel.points(x, y, col = col, pch = pch, alpha = alpha,
fill = fill, cex = cex, ...)
}
panel.brushlines <-
function(x, y = NULL, type = "l", col = brush.line$col,
alpha = brush.line$alpha, lty = brush.line$lty,
lwd = brush.line$lwd, ...)
{
brush.line <- current.brush.line()
panel.lines(x, y, type = type, col = col, alpha = alpha,
lty = lty, lwd = lwd, ...)
}
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.