R/polyart.R
In egenn/rtemis: Machine Learning and Visualization
Defines functions
polyshadow
polyshadow1
polyshadow0
triart
polyart
rectart
rectart <- function(col_lo = "#00ffff",
col_hi = "#ff00ff",
bg = "#121212",
k_h = 10, k_v = 10) {
x <- seq(0, 100, length.out = k_h + 1)
x[-c(1, k_h + 1)] <- x[-c(1, k_h + 1)] + rnorm(k_h - 1, sd = 10)
y <- seq(0, 100, length.out = k_v + 1)
y[-c(1, k_v + 1)] <- y[-c(1, k_v + 1)] + rnorm(k_v - 1, sd = 10)
.col <- colorRampPalette(c(col_lo, col_hi))(k_h * k_v)
# Plot
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4))
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_h)) {
for (j in seq(k_v)) {
polygon(x = c(x[i], x[i + 1], x[i + 1], x[i]),
y = c(y[j], y[j], y[j + 1], y[j + 1]),
col = .col[i*j], border = NA)
}
}
} # rtemis::rectart
polyart <- function(k_h = 20, k_v = 20,
jsd = 3,
col_lo = "#00ffff",
col_mid = NULL,
col_hi = "#ff00ff",
bg = "#121212") {
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi))(k_h * k_v)
# Plot
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4), xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_v)) {
for (j in seq(k_h)) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[i*j], border = NA)
}
}
} # rtemis::polyart
triart <- function(k_h = 10, k_v = 6,
jsd = 3,
col_lo = "#00ffff",
col_hi = "#ff00ff",
bg = "#121212") {
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
x
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
x
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
y
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
y
.col <- colorRampPalette(c(col_lo, col_hi))(k_h * k_v)
# Plot
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4), xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_v)) {
for (j in seq(k_h)) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[i*j], border = NA)
}
}
} # rtemis::polyart
polyshadow0 <- function(k_h = 20, k_v = 20,
jsd = 1,
shadow = .95,
col_lo = "#00ffff",
col_mid = NULL,
col_hi = "#ff00ff",
color.progression = c("product", "counter"),
bg = "#121212",
text = NULL,
text.x = 95,
text.y = 5,
text.adj = c(1, 0),
text.col = "#ffffff",
text.cex = 2,
font.family = "") {
color.progression <- match.arg(color.progression)
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi))(k_h * k_v)
# Plot ----
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4), xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_v)) {
for (j in seq(k_h)) {
ind <- if (color.progression == "product") i*j else j + k_h*(i - 1)
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[ind], border = NA)
polygon(x = c(x[i, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j+1], y[i, j+1]),
col = adjustcolor(.col[ind], shadow), border = NA)
}
}
# Text ----
if (!is.null(text)) {
text(x = text.x,
y = text.y,
labels = text,
adj = text.adj,
col = text.col,
cex = text.cex,
family = font.family)
}
} # rtemis::polyshadow
polyshadow1 <- function(k_h = 20, k_v = 20,
jsd = 1,
shadow = .95,
col_lo = "#00ffff",
col_mid = NULL,
col_hi = "#ff00ff",
color.progression = c("product", "counter"),
shadow.direction = 1,
bg = "#121212",
text = NULL,
text.x = 95,
text.y = 5,
text.adj = c(1, 0),
text.col = "#ffffff",
text.cex = 2,
font.family = "",
seed = NULL) {
color.progression <- match.arg(color.progression)
if (!is.null(seed)) set.seed(seed)
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi))(k_h * k_v)
# Plot ----
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4),
xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100),
axes = FALSE, ann = FALSE)
for (i in seq(k_v)) {
for (j in seq(k_h)) {
ind <- if (color.progression == "product") i*j else j + k_h*(i - 1)
if (shadow.direction == 1) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[ind], border = NA)
polygon(x = c(x[i, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j+1], y[i, j+1]),
col = adjustcolor(.col[ind], shadow), border = NA)
} else {
polygon(x = c(x[i, j], x[i+1, j], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i, j+1]),
col = adjustcolor(.col[ind], shadow), border = NA)
polygon(x = c(x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[ind], border = NA)
}
}
}
# Text ----
if (!is.null(text)) {
text(x = text.x,
y = text.y,
labels = text,
adj = text.adj,
col = text.col,
cex = text.cex,
family = font.family)
}
} # rtemis::polyshadow
polyshadow <- function(k_h = 50, k_v = 50,
jsd = 5,
shadow = 1, # seq(.98, .92, length.out = k_h*k_v)
col_lo = "#00000000",
col_mid = NULL,
col_hi = "#ff00ff",
space = c("rgb", "Lab"),
alpha = TRUE,
color.progression = c("product", "mean", "counter"),
shadow.direction = 1,
border.alpha = 1,
poly.border = NA,
bg = "#000000",
text = NULL,
text.x = 97,
text.y = 3,
text.adj = c(1, 0),
text.col = "#ffffff80",
text.cex = 2,
text.srt = 0,
font.family = rtFont,
xpd = FALSE,
seed = NULL,
filename = NULL,
pdf.width = 6,
pdf.height = 6,
trace = 0,
verbose = TRUE,
par.reset = TRUE) {
color.progression <- match.arg(color.progression)
# space <- match.arg(space)
shadow <- recycle(shadow, seq(k_h*k_v))
if (!is.null(seed)) set.seed(seed)
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi),
alpha = alpha)(k_h * k_v)
# Plot ----
if (!is.null(filename)) pdf(filename, width = pdf.width, height = pdf.height)
if (par.reset) {
par.orig <- par(no.readonly = TRUE)
on.exit(par(par.orig))
}
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4),
xaxs = "i", yaxs = "i",
xpd = xpd)
plot(NULL, xlim = c(0, 100), ylim = c(0, 100),
axes = FALSE, ann = FALSE, xpd = xpd)
for (i in seq(k_v)) {
for (j in seq(k_h)) {
ind <- switch (color.progression,
product = i*j,
counter = j + k_h*(i - 1),
mean = round( ((.5*(i+j)) / (.5*(k_h+k_v))) * k_h*k_v )
)
if (trace > 0) cat("i=", i, "; j=", j, "; ind=", ind, "\n")
if (all(shadow == 1)) {
if (border.alpha == 1) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[ind],
border = poly.border,
xpd = xpd)
} else {
col <- adjustcolor(.col[ind],
if (x[i, j] == 0 | x[i+1, j+1] == 100 | y[i, j] == 0 | y[i+1, j+1] == 100)
border.alpha else 1)
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = col,
border = poly.border,
xpd = xpd)
}
} else {
if (shadow.direction == 1) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[ind],
border = poly.border,
xpd = xpd)
polygon(x = c(x[i, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j+1], y[i, j+1]),
col = adjustcolor(.col[ind], shadow[ind]),
border = poly.border,
xpd = xpd)
} else {
polygon(x = c(x[i, j], x[i+1, j], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i, j+1]),
col = adjustcolor(.col[ind], shadow[ind]),
border = poly.border,
xpd = xpd)
polygon(x = c(x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[ind],
border = poly.border,
xpd = xpd)
}
}
}
}
# Text ----
if (!is.null(text)) {
text(x = text.x,
y = text.y,
labels = text,
adj = text.adj,
col = text.col,
cex = text.cex,
family = font.family,
srt = text.srt)
}
if (!is.null(filename)) {
dev.off()
if (verbose) {
if (file.exists(filename)) {
msg2("Saved", filename)
} else {
rtWarning("Failed to save", filename)
}
}
}
invisible(.col)
} # rtemis::polyshadow
egenn/rtemis documentation built on May 4, 2024, 7:40 p.m.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Defines functions polyshadow polyshadow1 polyshadow0 triart polyart rectart
rectart <- function(col_lo = "#00ffff",
col_hi = "#ff00ff",
bg = "#121212",
k_h = 10, k_v = 10) {
x <- seq(0, 100, length.out = k_h + 1)
x[-c(1, k_h + 1)] <- x[-c(1, k_h + 1)] + rnorm(k_h - 1, sd = 10)
y <- seq(0, 100, length.out = k_v + 1)
y[-c(1, k_v + 1)] <- y[-c(1, k_v + 1)] + rnorm(k_v - 1, sd = 10)
.col <- colorRampPalette(c(col_lo, col_hi))(k_h * k_v)
# Plot
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4))
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_h)) {
for (j in seq(k_v)) {
polygon(x = c(x[i], x[i + 1], x[i + 1], x[i]),
y = c(y[j], y[j], y[j + 1], y[j + 1]),
col = .col[i*j], border = NA)
}
}
} # rtemis::rectart
polyart <- function(k_h = 20, k_v = 20,
jsd = 3,
col_lo = "#00ffff",
col_mid = NULL,
col_hi = "#ff00ff",
bg = "#121212") {
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi))(k_h * k_v)
# Plot
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4), xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_v)) {
for (j in seq(k_h)) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[i*j], border = NA)
}
}
} # rtemis::polyart
triart <- function(k_h = 10, k_v = 6,
jsd = 3,
col_lo = "#00ffff",
col_hi = "#ff00ff",
bg = "#121212") {
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
x
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
x
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
y
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
y
.col <- colorRampPalette(c(col_lo, col_hi))(k_h * k_v)
# Plot
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4), xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_v)) {
for (j in seq(k_h)) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[i*j], border = NA)
}
}
} # rtemis::polyart
polyshadow0 <- function(k_h = 20, k_v = 20,
jsd = 1,
shadow = .95,
col_lo = "#00ffff",
col_mid = NULL,
col_hi = "#ff00ff",
color.progression = c("product", "counter"),
bg = "#121212",
text = NULL,
text.x = 95,
text.y = 5,
text.adj = c(1, 0),
text.col = "#ffffff",
text.cex = 2,
font.family = "") {
color.progression <- match.arg(color.progression)
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi))(k_h * k_v)
# Plot ----
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4), xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100))
for (i in seq(k_v)) {
for (j in seq(k_h)) {
ind <- if (color.progression == "product") i*j else j + k_h*(i - 1)
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[ind], border = NA)
polygon(x = c(x[i, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j+1], y[i, j+1]),
col = adjustcolor(.col[ind], shadow), border = NA)
}
}
# Text ----
if (!is.null(text)) {
text(x = text.x,
y = text.y,
labels = text,
adj = text.adj,
col = text.col,
cex = text.cex,
family = font.family)
}
} # rtemis::polyshadow
polyshadow1 <- function(k_h = 20, k_v = 20,
jsd = 1,
shadow = .95,
col_lo = "#00ffff",
col_mid = NULL,
col_hi = "#ff00ff",
color.progression = c("product", "counter"),
shadow.direction = 1,
bg = "#121212",
text = NULL,
text.x = 95,
text.y = 5,
text.adj = c(1, 0),
text.col = "#ffffff",
text.cex = 2,
font.family = "",
seed = NULL) {
color.progression <- match.arg(color.progression)
if (!is.null(seed)) set.seed(seed)
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi))(k_h * k_v)
# Plot ----
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4),
xaxs = "i", yaxs = "i")
plot(NULL, xlim = c(0, 100), ylim = c(0, 100),
axes = FALSE, ann = FALSE)
for (i in seq(k_v)) {
for (j in seq(k_h)) {
ind <- if (color.progression == "product") i*j else j + k_h*(i - 1)
if (shadow.direction == 1) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[ind], border = NA)
polygon(x = c(x[i, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j+1], y[i, j+1]),
col = adjustcolor(.col[ind], shadow), border = NA)
} else {
polygon(x = c(x[i, j], x[i+1, j], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i, j+1]),
col = adjustcolor(.col[ind], shadow), border = NA)
polygon(x = c(x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[ind], border = NA)
}
}
}
# Text ----
if (!is.null(text)) {
text(x = text.x,
y = text.y,
labels = text,
adj = text.adj,
col = text.col,
cex = text.cex,
family = font.family)
}
} # rtemis::polyshadow
polyshadow <- function(k_h = 50, k_v = 50,
jsd = 5,
shadow = 1, # seq(.98, .92, length.out = k_h*k_v)
col_lo = "#00000000",
col_mid = NULL,
col_hi = "#ff00ff",
space = c("rgb", "Lab"),
alpha = TRUE,
color.progression = c("product", "mean", "counter"),
shadow.direction = 1,
border.alpha = 1,
poly.border = NA,
bg = "#000000",
text = NULL,
text.x = 97,
text.y = 3,
text.adj = c(1, 0),
text.col = "#ffffff80",
text.cex = 2,
text.srt = 0,
font.family = rtFont,
xpd = FALSE,
seed = NULL,
filename = NULL,
pdf.width = 6,
pdf.height = 6,
trace = 0,
verbose = TRUE,
par.reset = TRUE) {
color.progression <- match.arg(color.progression)
# space <- match.arg(space)
shadow <- recycle(shadow, seq(k_h*k_v))
if (!is.null(seed)) set.seed(seed)
x <- matrix(rep(seq(0, 100, length.out = k_h + 1), k_v + 1), k_v + 1, byrow = TRUE)
for (i in seq(k_v + 1)) {
x[i, -c(1, k_h + 1)] <- x[i, -c(1, k_h + 1)] + rnorm(k_h - 1, sd = jsd)
}
y <- matrix(rep(seq(0, 100, length.out = k_v + 1), k_h + 1), k_v + 1)
for (i in seq(k_h + 1)) {
y[-c(1, k_v + 1), i] <- y[-c(1, k_v + 1), i] + rnorm(k_v - 1, sd = jsd)
}
.col <- colorRampPalette(c(col_lo, col_mid, col_hi),
alpha = alpha)(k_h * k_v)
# Plot ----
if (!is.null(filename)) pdf(filename, width = pdf.width, height = pdf.height)
if (par.reset) {
par.orig <- par(no.readonly = TRUE)
on.exit(par(par.orig))
}
par(bg = bg, mai = rep(0, 4), mar = rep(0, 4),
xaxs = "i", yaxs = "i",
xpd = xpd)
plot(NULL, xlim = c(0, 100), ylim = c(0, 100),
axes = FALSE, ann = FALSE, xpd = xpd)
for (i in seq(k_v)) {
for (j in seq(k_h)) {
ind <- switch (color.progression,
product = i*j,
counter = j + k_h*(i - 1),
mean = round( ((.5*(i+j)) / (.5*(k_h+k_v))) * k_h*k_v )
)
if (trace > 0) cat("i=", i, "; j=", j, "; ind=", ind, "\n")
if (all(shadow == 1)) {
if (border.alpha == 1) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[ind],
border = poly.border,
xpd = xpd)
} else {
col <- adjustcolor(.col[ind],
if (x[i, j] == 0 | x[i+1, j+1] == 100 | y[i, j] == 0 | y[i+1, j+1] == 100)
border.alpha else 1)
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = col,
border = poly.border,
xpd = xpd)
}
} else {
if (shadow.direction == 1) {
polygon(x = c(x[i, j], x[i+1, j], x[i+1, j+1]),
y = c(y[i, j], y[i+1, j], y[i+1, j+1]),
col = .col[ind],
border = poly.border,
xpd = xpd)
polygon(x = c(x[i, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i, j], y[i+1, j+1], y[i, j+1]),
col = adjustcolor(.col[ind], shadow[ind]),
border = poly.border,
xpd = xpd)
} else {
polygon(x = c(x[i, j], x[i+1, j], x[i, j+1]),
y = c(y[i, j], y[i+1, j], y[i, j+1]),
col = adjustcolor(.col[ind], shadow[ind]),
border = poly.border,
xpd = xpd)
polygon(x = c(x[i+1, j], x[i+1, j+1], x[i, j+1]),
y = c(y[i+1, j], y[i+1, j+1], y[i, j+1]),
col = .col[ind],
border = poly.border,
xpd = xpd)
}
}
}
}
# Text ----
if (!is.null(text)) {
text(x = text.x,
y = text.y,
labels = text,
adj = text.adj,
col = text.col,
cex = text.cex,
family = font.family,
srt = text.srt)
}
if (!is.null(filename)) {
dev.off()
if (verbose) {
if (file.exists(filename)) {
msg2("Saved", filename)
} else {
rtWarning("Failed to save", filename)
}
}
}
invisible(.col)
} # rtemis::polyshadow
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
Embedding an R snippet on your website
Add the following code to your website.
For more information on customizing the embed code, read Embedding Snippets.