28 GIS basics code runtime errors

[goodfoxs]

pacman::p_load(OpenStreetMap)

Fit basemap by range of lat/long coordinates. Choose tile type

map <- OpenStreetMap::openmap(

• upperLeft = c(max(linelist$lat, na.rm=T), max(linelist$lon, na.rm=T)), # limits of basemap tile
• lowerRight = c(min(linelist$lat, na.rm=T), min(linelist$lon, na.rm=T)),
• zoom = NULL,
• type = c("osm", "stamen-toner", "stamen-terrain", "stamen-watercolor", "esri","esri-topo")[1])
  java.lang.NullPointerException: Cannot invoke "java.awt.image.BufferedImage.getRGB(int, int, int, int, int[], int, int)" because the return value of "org.openstreetmap.gui.jmapviewer.Tile.getImage()" is null
  at edu.cens.spatial.RTileController.getTileValues(RTileController.java:109)
  at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
  at java.base/java.lang.reflect.Method.invoke(Method.java:577)
  at RJavaTools.invokeMethod(RJavaTools.java:399)
  错误于osmtile(x%%nX, y, zoom, type):
  could not obtain tile: 7588 7804 14