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| Original file line number | Diff line number | Diff line change |
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| tmapScaleRank = function(x1, scale, legend, o, aes, layer, layer_args, sortRev, bypass_ord, submit_legend = TRUE) { | ||
| # update misc argument from tmap option scale.misc.args | ||
| scale = update_scale_args("rank", scale, aes, o) | ||
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| cls = data_class(x1) | ||
| maincls = class(scale)[1] | ||
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| if (cls[1] != "num") { | ||
| if (!is.factor(x1)) x1 = as.factor(x1) | ||
| x1 = as.integer(x1) | ||
| warning(maincls, " is supposed to be applied to numerical data", call. = FALSE) | ||
| } | ||
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| x1 = rank(without_units(x1)) | ||
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| if (aes %in% c("lty", "shape", "pattern")) stop("tm_scale_rank cannot be used for layer ", layer, ", aesthetic ", aes, call. = FALSE) | ||
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| scale = get_scale_defaults(scale, o, aes, layer, cls) | ||
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| show.messages <- o$show.messages | ||
| show.warnings <- o$show.warnings | ||
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| with(scale, { | ||
| if (all(is.na(x1))) return(tmapScale_returnNA(n = length(x1), legend = legend, value.na = value.na, label.na = label.na, label.show = label.show, na.show = legend$na.show, sortRev = sortRev, bypass_ord = bypass_ord)) | ||
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| ticks.specified = !is.null(ticks) | ||
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| if (ticks.specified) { | ||
| n = length(ticks) - 1 | ||
| } | ||
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| limits = range(x1) | ||
| breaks = cont_breaks(limits, n=101) | ||
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| if (is.null(labels)) { | ||
| ncont = n | ||
| } else { | ||
| if (ticks.specified && length(labels) != n+1) { | ||
| if (show.warnings) warning("The length of legend labels is ", length(labels), ", which differs from the length of the breaks (", (n+1), "). Therefore, legend labels will be ignored", call.=FALSE) | ||
| labels = NULL | ||
| } else { | ||
| ncont = length(labels) | ||
| } | ||
| } | ||
| q = num2breaks(x = x1, n = 101, style = "fixed", breaks=breaks, approx=TRUE, interval.closure = "left", var=paste(layer, aes, sep = "-"), args = list()) | ||
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| breaks = q$brks | ||
| nbrks = length(breaks) | ||
| n2 = nbrks - 1 | ||
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| int.closure <- attr(q, "intervalClosure") | ||
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| # update range if NA (automatic) | ||
| if (is.na(values.range[1])) { | ||
| fun_range = paste0("tmapValuesRange_", aes) | ||
| values.range = do.call(fun_range, args = list(x = values, n = n, isdiv = FALSE)) | ||
| } | ||
| if (length(values.range) == 1 && !is.na(values.range[1])) values.range = c(0, values.range) | ||
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| fun_check = paste0("tmapValuesCheck_", aes) | ||
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| are_valid = do.call(fun_check, args = list(x = values)) | ||
| if (!are_valid) stop("Incorrect values for layer ", layer, ", aesthetic ", aes, "; values should conform aes ", aes, call. = FALSE) | ||
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| fun_isdiv = paste0("tmapValuesIsDiv_", aes) | ||
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| fun_getVV = paste0("tmapValuesVV_", aes) | ||
| VV = do.call(fun_getVV, list(x = values, value.na = value.na, isdiv = FALSE, n = n2, dvalues = breaks, range = values.range, scale = values.scale * o$scale, are_breaks = TRUE, rep = values.repeat, o = o)) | ||
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| vvalues = VV$vvalues | ||
| value.na = VV$value.na | ||
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| sfun = paste0("tmapValuesScale_", aes) | ||
| cfun = paste0("tmapValuesColorize_", aes) | ||
| if (is.na(value.neutral)) value.neutral = VV$value.neutral else value.neutral = do.call(sfun, list(x = do.call(cfun, list(x = value.neutral, pc = o$pc)), scale = values.scale)) | ||
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| ids = classInt::findCols(q) | ||
| vals = vvalues[ids] | ||
| isna = is.na(vals) | ||
| anyNA = any(isna) | ||
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| na.show = update_na.show(label.show, legend$na.show, anyNA) | ||
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| if (is.null(sortRev)) { | ||
| ids = NULL | ||
| } else if (is.na(sortRev)) { | ||
| ids[] = 1L | ||
| } else if (sortRev) { | ||
| ids = (as.integer(n2) + 1L) - ids | ||
| } | ||
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| if (anyNA) { | ||
| vals[isna] = value.na | ||
| if (!is.null(sortRev)) ids[isna] = 0L | ||
| } | ||
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| if (ticks.specified) { | ||
| b = ticks | ||
| } else { | ||
| b = prettyTicks(seq(limits[1], limits[2], length.out = n)) | ||
| if (!(aes %in% c("col", "fill"))) b = b[b!=0] | ||
| } | ||
| sel = if (length(b) == 2) TRUE else (b>=limits[1] & b<=limits[2]) | ||
| b = b[sel] | ||
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| nbrks_cont <- length(b) | ||
| id = as.integer(cut(b, breaks=breaks, include.lowest = TRUE)) | ||
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| id_step = id[-1] - head(id, -1) | ||
| id_step = c(id_step[1], id_step, id_step[length(id_step)]) | ||
| id_lst = mapply(function(i, s1, s2){ | ||
| #res = round(seq(i-floor(id_step/2), i+ceiling(id_step/2), length.out=11))[1:10] | ||
| res1 = round(seq(i-floor(s1/2), i, length.out=6)) | ||
| res2 = round(seq(i, i+ceiling(s2/2), length.out=6))[2:5] | ||
| res = c(res1, res2) | ||
| res[res<1 | res>101] = NA | ||
| res | ||
| }, id, head(id_step, -1), id_step[-1], SIMPLIFY = FALSE) | ||
| vvalues = lapply(id_lst, function(i) { | ||
| if (legend$reverse) rev(vvalues[i]) else vvalues[i] | ||
| }) | ||
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| if (legend$reverse) vvalues = rev(vvalues) | ||
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| if (na.show) vvalues = c(vvalues, value.na) | ||
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| # temporarily stack gradient values | ||
| vvalues = cont_collapse(vvalues) | ||
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| # create legend values | ||
| values = b | ||
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| # create legend labels for continuous cases | ||
| if (is.null(labels)) { | ||
| labels = do.call("fancy_breaks", c(list(vec=b, as.count = FALSE, intervals=FALSE, interval.closure=int.closure), label.format)) | ||
| } else { | ||
| labels = rep(labels, length.out=nbrks_cont) | ||
| attr(labels, "align") <- label.format$text.align | ||
| } | ||
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| if (legend$reverse) { | ||
| labels.align = attr(labels, "align") | ||
| labels = rev(labels) | ||
| attr(labels, "align") = labels.align | ||
| } | ||
| if (na.show) { | ||
| labels.align = attr(labels, "align") | ||
| labels = c(labels, label.na) | ||
| attr(labels, "align") = labels.align | ||
| } | ||
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| legend = within(legend, { | ||
| nitems = length(labels) | ||
| labels = labels | ||
| dvalues = values | ||
| vvalues = vvalues | ||
| vneutral = value.neutral | ||
| na.show = get("na.show", envir = parent.env(environment())) | ||
| scale = "rank" | ||
| tr = trans_identity | ||
| limits = limits | ||
| }) | ||
| # NOTE: tr and limits are included in the output to facilitate the transformation of the leaflet continuous legend ticks (https://github.com/rstudio/leaflet/issues/665) | ||
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| if (submit_legend) { | ||
| if (bypass_ord) { | ||
| format_aes_results(vals, legend = legend) | ||
| } else { | ||
| format_aes_results(vals, ids, legend) | ||
| } | ||
| } else { | ||
| list(vals = vals, ids = ids, legend = legend, bypass_ord = bypass_ord) | ||
| } | ||
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| }) | ||
| } |
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