title: Cartopy incorrectly filling outside of Shapely polygon
body: <p>The Shapely polygon listed below as "mywkt" plots incorrectly in Cartopy; it fills the outside rather than the inside, despite being a valid polygon. In GIS software it plots correctly. The issue is occurring in many projections tested, including the one below. How can I correct it to fill the inside, as would be expected?</p>
  
  <p><a href="https://i.stack.imgur.com/gPZUg.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/gPZUg.png" alt="Incorrectly filled polygon"></a></p>
  
  <pre><code>import matplotlib.pyplot as plt
  import cartopy.crs as ccrs
  from cartopy.feature import ShapelyFeature
  import shapely
  import shapely.wkt as wkt
  
  # Main plot setup, issue occurs regardless of projection used.
  fig = plt.figure(figsize=[5, 5])
  crs = ccrs.NearsidePerspective(central_longitude=-100, central_latitude=65, satellite_height=6200000)
  ax = fig.add_subplot(1, 1, 1, projection=crs)
  
  # Build and plot the polygon, valid
  mywkt = "POLYGON ((-66.64127406774401 63.2679483443407, -66.48652697503979 63.1988718046901, -66.4817891045834 63.1004449790526, -66.379143168922 63.0115892305586, -66.1973803825985 62.9848443902565, -66.0559008189676 62.9537393506905, -65.97118398525259 62.9850694644843, -65.850509788396 62.9360773051236, -65.69642646101229 62.9192773820456, -65.6182098640938 62.8587266887857, -65.473922680887 62.8270608886491, -65.3890303678572 62.8197557451316, -65.31233201541011 62.7191354685271, -65.25006848777041 62.6268846390149, -65.12107061571631 62.5688402034127, -64.96662902810711 62.6103134144326, -64.52292746513029 60.3009837190234, -64.678588195289 60.3290634023542, -64.7726142595404 60.3596734442741, -64.8751520004644 60.2840499669325, -64.9515074450125 60.2243558221635, -65.0198404413832 60.1228099129471, -65.095375384966 60.0444670754952, -65.1483835964257 59.944148956709, -65.2920146315699 59.8405379513654, -65.453168021487 59.7919610620534, -65.47048148623151 59.6270483926692, 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-66.5590520172367 63.0848581227043, -66.5560689390303 63.2054750444379, -66.64127406774401 63.2679483443407))"
  p = shapely.geometry.Polygon(wkt.loads(mywkt))
  print(p.is_valid)
  shape_feature = ShapelyFeature([p], ccrs.Geodetic(), edgecolor='black', facecolor="red")
  ax.add_feature(shape_feature)
  plt.show()
  </code></pre>