.interface_stars = function(g4, data, w){
# =============== Function: update_tour_stars ==================
tour <- NULL
tour_anim <- NULL
update_tour_stars <- function(...) {
tour <<- .create_stars_tour(data,
var_selected = svalue(Variables_stars),
cat_selected = svalue(Class_stars),
dim_selected = svalue(Dimensions_stars),
nstar_selected = svalue(Star_stars),
tour_type = svalue(TourType_stars),
guided_type = svalue(GuidedType_stars),
lambda = svalue(LambdaValue_stars),
aps = svalue(sl_stars)
)
tour_anim <<- with(tour, new_tour(data, tour_path))
tour$display$init(tour$data)
tour$display$render_frame()
TRUE
}
# --------------------- End of update_tour_stars ----------------
# ================= Function: draw_frame_stars ==================
draw_frame_stars <- function(...) {
# if there's no tour, don't draw anything
if (is.null(tour)) return(FALSE)
tour_step <- tour_anim(svalue(sl_stars) / 33)
if (is.null(tour_step$proj)) return(FALSE)
if (find_platform()$os == "win") {
tour$display$render_frame()
} else {
tour$display$render_transition()
}
with(tour_step, tour$display$render_data(tour$data, proj, target))
Sys.sleep(1/33)
TRUE
}
# -------------------- End of draw_frame_stars -----------------
num <- sapply(data, is.numeric)
# ================== Controls ==========================
vbox_stars <- glayout(container = g4)
# Variable selection column
vbox_stars[1, 1, anchor = c(-1, 0)] <- "Variable Selection"
vbox_stars[2, 1] <- Variables_stars <- gcheckboxgroup(names(data[num]),
checked = TRUE, horizontal = FALSE)
tooltip(Variables_stars) <- "Select variables to display in the nD Tour."
vbox_stars[3, 1, anchor = c(-1, 0)] <- "Class Selection"
vbox_stars[4, 1, anchor = c(-1, 0)] <- Class_stars <- gtable(names(data)[!num],
multiple = TRUE)
tooltip(Class_stars) <- "Select a class variable to classify the data."
# Tour selection column
vbox_stars[1, 2, anchor=c(-1, 0)] <- "Tour Type"
tour_types <- c("Grand", "Little","Local", "Guided")
vbox_stars[2, 2] <- TourType_stars <- gradio(tour_types)
tooltip(TourType_stars) <- "Select a nD Tour type."
#Guided indices selection
vbox_stars[3, 2, anchor=c(-1, 0)] <- "Guided indices"
IntIndex <-c("holes","cmass","lda_pp","pda_pp")
vbox_stars[4, 2, anchor=c(-1,-1)] <- GuidedType_stars <- gdroplist(IntIndex)
tooltip(GuidedType_stars) <- "Select an index type for guided tour."
# Lambda selection
vbox_stars[3, 3, anchor=c(-1, 0)] <-"Lambda"
vbox_stars[4, 3] <- LambdaValue_stars <- gslider(from=0, to = 1, by = 0.01,value=0.02)
tooltip(LambdaValue_stars) <- "Select lambda's value to calculate pda index."
# dimension control
vbox_stars[1, 3, anchor = c(-1, 0)] <- "Choose Dimension"
dimensions <- c(3:length(data[num]))
vbox_stars[2, 3, anchor = c(-1, 0)] <- Dimensions_stars <- gradio(dimensions)
tooltip(Dimensions_stars) <- "Select dimension number for displaying the nD Tour."
vbox_stars[5, 1, anchor = c(-1, 0)] <- "Choose Star Number"
vbox_stars[6, 1, expand = TRUE] <- Star_stars <- gslider(from = 3, to = nrow(data), by = 1, value = 4 )
tooltip(Star_stars) <- "Drag to choose the face number."
# speed and pause
vbox_stars[5,2, anchor = c(-1, 0)] <- "Speed"
vbox_stars[6,2, expand = TRUE] <- sl_stars <- gslider(from = 0, to = 5, by = 0.1, value = 1)
tooltip(sl_stars) <- "Drag to set the speed of the nD Tour."
vbox_stars[5, 3] <- chk_pause_stars <- gcheckbox("Pause",
handler = function(h, ...) pause_stars(svalue(h$obj)))
tooltip(chk_pause_stars) <- "Click here to pause or continue the nD Tour."
# buttons control
anim_id <- NULL
pause_stars <- function(paused) {
svalue(chk_pause_stars) <- paused
if (paused) {
gtkIdleRemove(anim_id)
anim_id <- NULL
} else {
if (!is.null(anim_id)) gtkIdleRemove(anim_id)
anim_id <<- gIdleAdd(draw_frame_stars)
}
}
buttonGroup_stars <- ggroup(horizontal = FALSE, container = vbox_stars)
# addSpace(buttonGroup,10)
button1_stars<- gbutton("Apply", container = buttonGroup_stars, handler = function(...){
print("apply from gui_stars")
opar <- par(mfrow = c(1,1))
pause_stars(FALSE)
update_tour_stars()
})
tooltip(button1_stars) <- "Click here to update the options."
# addSpace(buttonGroup,10)
button2_stars<- gbutton("Quit",container = buttonGroup_stars, handler = function(...) {
pause_stars(TRUE)
dispose(w)
})
tooltip(button2_stars) <- "Click here to update the options."
vbox_stars[6,3, anchor = c(0, 1)] <- buttonGroup_stars
}
# ------------------------- End of Gui_stars ----------------------------
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