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Publish vector features as PMTiles (tippecanoe)

Source: R/publish.R
publish_pmtiles.Rd

Writes an sf (or an existing vector file) to PMTiles via tippecanoe, keeping every feature (no dropping) so a source dataset's ranges can be filtered client-side by an attribute (e.g. mdl_key). Reprojects to EPSG:4326 first.

Usage

publish_pmtiles(
  x,
  out_pmtiles,
  layer,
  minzoom = 0,
  maxzoom = 10,
  simplification = 10,
  keep_attrs = c("mdl_key", "ds_key"),
  tippecanoe = "tippecanoe",
  extra = character(0),
  quiet = TRUE
)

Arguments

x

an sf object, or a path to a vector file tippecanoe can read (FlatGeobuf / GeoJSON)

out_pmtiles

output path (.pmtiles)

layer

tile layer name (the source_layer the app references)

minzoom, maxzoom

zoom range (default 0..10). Simplification is applied at the LOW zooms only, so maxzoom carries full source resolution and every view above it overzooms from something faithful.

simplification

tippecanoe --simplification for the low zooms only

keep_attrs

attributes to carry into the tiles (-y); the zone layers need their own key columns, not mdl_key/ds_key

tippecanoe

path to the tippecanoe binary (default "tippecanoe")

extra

extra tippecanoe CLI args (character vector)

quiet

suppress tippecanoe stderr (default TRUE)

Value

out_pmtiles (invisibly)