code: def test_vertical_perspective_operation__defaults():
      aeaop = VerticalPerspectiveConversion(viewpoint_height=10)
      assert aeaop.name == "unknown"
      assert aeaop.method_name == "Vertical Perspective"
      assert _to_dict(aeaop) == {
          "Latitude of topocentric origin": 0.0,
          "Longitude of topocentric origin": 0.0,
          "Ellipsoidal height of topocentric origin": 0.0,
          "Viewpoint height": 10.0,
          "False easting": 0.0,
          "False northing": 0.0,
      }
  
imports: import pytest
  from numpy.testing import assert_almost_equal
  from pyproj.crs import GeographicCRS
  from pyproj.crs.coordinate_operation import AlbersEqualAreaConversion, AzimuthalEquidistantConversion, EquidistantCylindricalConversion, GeostationarySatelliteConversion, HotineObliqueMercatorBConversion, LambertAzimuthalEqualAreaConversion, LambertConformalConic1SPConversion, LambertConformalConic2SPConversion, LambertCylindricalEqualAreaConversion, LambertCylindricalEqualAreaScaleConversion, MercatorAConversion, MercatorBConversion, OrthographicConversion, PlateCarreeConversion, PolarStereographicAConversion, PolarStereographicBConversion, PoleRotationNetCDFCFConversion, RotatedLatitudeLongitudeConversion, SinusoidalConversion, StereographicConversion, ToWGS84Transformation, TransverseMercatorConversion, UTMConversion, VerticalPerspectiveConversion
  from pyproj.exceptions import CRSError
label_desc: Use image node_id 38 for calling a global function with example usage: test_vertical_perspective_operation__defaults() without return types