Nils ratnanil

## test.geojson

      
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              January 12, 2023 13:14
            
          
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## test2.geojson

      
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                ratnanil
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              January 12, 2023 13:28
            
          
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## bivariate.R
# from here:
# https://github.com/rstudio/gt/blob/ff878e10d21a3ba897c5f99801b796da8fb637fa/R/helpers.R#L2496-L2536
adjust_luminance <- function(colors, steps) {
  stopifnot(steps < 2, steps > -2)
  rgb_matrix <- t(grDevices::col2rgb(colors, alpha = TRUE)) / 255
  alpha <- rgb_matrix[, "alpha"]
  luv_matrix <-
    grDevices::convertColor(rgb_matrix[, 1:3], "sRGB", "Luv")
  h <- atan2(luv_matrix[, "v"], luv_matrix[, "u"]) * 180 / pi
  c <- sqrt(luv_matrix[, "u"]^2 + luv_matrix[, "v"]^2)
	# from here:
	# https://github.com/rstudio/gt/blob/ff878e10d21a3ba897c5f99801b796da8fb637fa/R/helpers.R#L2496-L2536
	adjust_luminance <- function(colors, steps) {
	stopifnot(steps < 2, steps > -2)
	rgb_matrix <- t(grDevices::col2rgb(colors, alpha = TRUE)) / 255
	alpha <- rgb_matrix[, "alpha"]
	luv_matrix <-
	grDevices::convertColor(rgb_matrix[, 1:3], "sRGB", "Luv")
	h <- atan2(luv_matrix[, "v"], luv_matrix[, "u"]) * 180 / pi
	c <- sqrt(luv_matrix[, "u"]^2 + luv_matrix[, "v"]^2)