python - pcolormesh is putting out a blank map? -


i not sure doing wrong. when print map, map turns out blank? trying use pcolormesh, , think might doing wrong. suggestions?

some sample values:

avglonlist=[-63.414436532479854, -63.41382404937334, -63.41320293629234, -63.4126322428388, -63.412060546875, -63.41134304470493] avglatlist=[44.5523500343606, 44.55130764100617, 44.550250391568596, 44.54927937825529, 44.54830612909229, 44.5470865885415] klist=['0.1243', '0.1304', '0.1321', '0.1281', '0.1358', '0.1105']      crs_latlon = ccrs.platecarree()  def make_plotmesh(projection_name, projection_crs,avglonlist, avglatlist,klist):      ax = plt.axes(projection=projection_crs)     #ax.set_extent((-65.0, -58, 40, 47.7), crs=crs_latlon)     ax.set_extent((-64.0, -61, 42.5, 45.0), crs=crs_latlon)      #add coastlines , meridians/parallels (cartopy-specific).     plt.gca().coastlines('10m')     gl=ax.gridlines(crs=crs_latlon, draw_labels=true,               linewidth=1, color='gray', alpha=0.5, linestyle='-')     gl.xlabels_top = false     gl.ylabels_right = false     gl.xformatter = longitude_formatter     gl.yformatter = latitude_formatter     # add title, legend, , display.     ax.set_title("heatmap")      #setup 2d grid numpy     avglonlist, avglatlist = np.meshgrid(avglonlist, avglatlist)      #convert intensity (list of lists) numpy array plotting     klist = np.array(klist)      #now plug data pcolormesh     m=plt.pcolormesh(avglonlist, avglatlist, klist)      #make colorbar     plt.colorbar(m)     plt.clim(0.0,0.5)     plt.show()

it seems missing transform in pcolormesh. needed plots cartopy.

plt.pcolormesh(avglonlist, avglatlist, klist, transform=ccrs.platecarree())

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