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Special bindings for stars data structures #1200

cpsievert opened this issue Feb 20, 2018 · 0 comments

Special bindings for stars data structures #1200

cpsievert opened this issue Feb 20, 2018 · 0 comments


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@cpsievert cpsievert commented Feb 20, 2018

A good start would be to replicate the plot.stars() method (from

etm <- st_stars(system.file("tif/L7_ETMs.tif", package = "stars"))

screen shot 2018-02-20 at 4 00 19 pm

So plot_ly(etm) would do something similar to this (automatically)

etm <- st_transform(etm, 3857)
band <- st_dimensions(etm)[["band"]]
n <- band$to - band$from + 1
ann <- list(x = 0.5, y = 1, yanchor = "bottom", xanchor = "middle", xref = "paper", yref = "paper", showarrow = FALSE)
plots <- lapply(seq_len(n), function(i) {
  z <- t(etm[[1]][,,i])
  ann$text <- paste(names(etm), i)
  plot_ly(z = z[, 1), ]) %>%
    layout(annotations = ann) %>%
    colorbar(title = i)
subplot(plots, nrows = 2, titleX = TRUE, shareX = TRUE, shareY = TRUE)

cc @jackparmer

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