potential speedup for rendering rasters?

[jeffreyhanson]

I stumbled across the leafem::addGeoRaster() function (see https://www.rdocumentation.org/packages/leafem/versions/0.2.0/topics/addGeoRaster) which claims to provide optimized rendering for large raster datasets. It would seem that it functions as a drop-in-replacement for leaflet::addRasterImage(), so using it should hopefully not be too tricky? When you get a chance @DanWismer, this might be worth looking into?

[DanWismer]

Was the pane argument native to leaflet::addRasterImage ?

wheretowork/R/class_Variable.R

Lines 169 to 179 in 450e7e6

	x <- leaflet::addRasterImage(
	map = x,
	x = d,
	opacity = 0.8,
	project = project_on_fly,
	maxBytes = 1 * 1024 * 1024, # 1MB max size
	method = self$legend$get_resample_method(),
	colors = self$legend$get_color_map(),
	group = id,
	pane = pane_id
	)

[DanWismer]

I tried this, but it was mapping the rasters incorrectly.