filling contour levels with grain ( texture) using Leaflet

[المشرف العام]

I created a program to draw temperature contour map of France:

code :

library(ggplot2)library(gstat)library(sp)library(maptools)require(rgeos)library(rgdal) library(foreign)library(maptools)library(knitr)library(jsonlite)library(raster)library(leaflet)#récupérer les données a partir de jsondataJson