[英]R / d3heatmap / shiny - is there a way to embed images in d3 tooltip?
我想在滾動單元格時在d3工具提示中嵌入圖像(而不是默認的行 - 列 - 值數據)。
library(shiny)
library(d3heatmap)
ui <- shinyUI(fluidPage(
titlePanel("Old Faithful Geyser Data"),
mainPanel(
d3heatmapOutput("out")
)
)
)
server <- shinyServer(function(input, output) {
output$out <- renderD3heatmap({
d3heatmap(x = mtcars,
Colv = NULL,
scale= "column",
key = FALSE,
yaxis_font_size = "10pt",
xaxis_font_size = "10pt")
})
})
shinyApp(ui = ui, server = server)
一種方法是在base64中對圖像進行編碼,然后將這些圖像的矩陣傳遞給d3heatmap(...,cellnote =)
var tip = d3.tip()
.attr('class', 'd3heatmap-tip')
.html(function(d, i) {
return ('<img src="' + d.label + '"/>');
})
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