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# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received A copy of the GNU Library General
# Public License along with this library; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
################################################################################
# FUNCTION: COLOR NAMES:
# colorLocator Plots R's 657 named colors for selection
# colorMatrix Returns matrix of R's color names
################################################################################
################################################################################
# Package: epitools
# Version: 0.4-9
# Date: 2007-06-27
# Title: Epidemiology Tools
# Author: Tomas Aragon <aragon@berkeley.edu>
# Maintainer: Tomas Aragon <aragon@berkeley.edu>
# Depends: R (>= 2.1.0)
# Description: EpiTools: R Package for Epidemiologic Data and Graphics
# License: GPL version 2 or newer
# URL: http://www.epitools.net
# Packaged: Wed Jun 27 20:27:33 2007; Tomas
colorLocator <- function(locator = FALSE, cex.axis = 0.7)
{
# A function implemented by Diethelm Wuertz
# Description:
# Plots R's 657 named colors for selection
# Source:
# Code borrowed from contributed R-package epitools
# FUNCTION:
# Plot:
xx <- rep(1:30, 22)
yy <- rep(1:22, rep(30, 22))
yyy <- matrix(yy, ncol = 22)
cm <- colorMatrix()
matplot(xx[1:30], yyy, pch = 15, type = "n", axes = FALSE,
xlab = "colorMatrix[row, ]", ylab = "colorMatrix[ , col]",
main = "Identify Color Names.")
## title(sub = "Source: www.epitools.net", cex.sub = 0.7)
points(xx, yy, type = "p", pch = 15, cex = 2,
col = c(colors(), NA, NA, NA))
axis(1, at = c(0:30 + 0.5), labels = FALSE, tick = TRUE)
axis(1, at = 1:30, labels = 1:30, cex.axis = cex.axis, tick = FALSE)
axis(2, at = c(0:22 + 0.5), labels = FALSE, tick = TRUE)
axis(2, at = 1:22, labels = 1:22, cex.axis = cex.axis, tick = FALSE,
las = 1)
# Locator:
if (locator) {
lxy <- locator()
xy <- round(data.frame(lxy))
xym <- as.matrix(xy)
## return located :=
data.frame(xy, color.names = cm[xym])
} else {
invisible(cm)
}
}
# ------------------------------------------------------------------------------
colorMatrix <- function()
{
# A function implemented by Diethelm Wuertz
# Description:
# Returns matrix of R's color names
# Source:
# Code borrowed from contributed R-package epitools
# FUNCTION:
# Color Names:
x <- matrix(c(colors(), NA, NA, NA), 30, 22)
# Return Value:
invisible(x)
}
################################################################################
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