proj4 = '+proj=lcc +lat_0=0 +lon_0=-84 +lat_1=44.5 +lat_2=54.5 +x_0=1000000 +y_0=0 +ellps=GRS80 +towgs84=0,0,0,0,0,0,0 +units=m +no_defs +type=crs'
m = Map(256,256,proj4)
lyr = Layer('Name',proj4)