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improve computation speed view mode (many dots) #956

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mtennekes opened this issue Nov 6, 2024 · 0 comments

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mtennekes commented Nov 6, 2024 •

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library(leaflet)
library(leafgl)
library(sf)

n = 1e6

df1 = data.frame(id = 1:n,
				 x = rnorm(n, 10, 3),
				 y = rnorm(n, 49, 1.8))

pts = st_as_sf(df1, coords = c("x", "y"), crs = 4326)

options(viewer = NULL) # view in browser

leaflet() %>%
	addProviderTiles(provider = providers$CartoDB.DarkMatter) %>%
	addGlPoints(data = pts, group = "pts") %>%
	setView(lng = 10.5, lat = 49.5, zoom = 6)

About 7 seconds before browser window is opened.

tmap_devel_mode()
tm_shape(pts) +
	tm_dots()

About 30 seconds....

mtennekes added a commit that referenced this issue


          small improvements #956

548081c

Nowosad added the finetuning label

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