class TestLocalGeoCS(unittest.TestCase):
    @classmethod
    def setUp(self):
        self.wgs = geodesy.SRID.lat_lon_WGS84
        self.geo1 = GeoPoint(np.array([-73.75898515, 42.85012609, 0]),
                             self.wgs)
        self.geo2 = GeoPoint(np.array([-73.75623008, 42.89913984, 52.381]),
                             self.wgs)

    def test_init(self):
        LocalGeoCS()

    def test_origin(self):
        g = LocalGeoCS()
        g.geo_origin = self.geo1
        np.testing.assert_array_almost_equal(g.geo_origin.location(self.wgs),
                                             self.geo1.location())

    def test_read_write_localgeocs(self):
        g = LocalGeoCS()
        g.geo_origin = self.geo1
        f = open("geo_data.txt", "w+")
        f.close()
        local_geo_cs.write_local_geo_cs_to_file(g, "geo_data.txt")
        g2 = LocalGeoCS()
        local_geo_cs.read_local_geo_cs_from_file(g2, "geo_data.txt")
        np.testing.assert_array_almost_equal(g2.geo_origin.location(self.wgs),
                                             self.geo1.location())
    def test_set_and_get_location(self):
        qr = self._create_query_result()
        crs_ll = g.SRID.lat_lon_WGS84
        crs_utm_18n = g.SRID.UTM_WGS84_north + 18

        nt.ok_(qr.location.is_empty())

        p = GeoPoint(np.array([-73.759291, 42.849631]), crs_ll)
        qr.location = p
        nt.assert_equals(qr.location.crs(), crs_ll)
        np.testing.assert_array_almost_equal(qr.location.location(),
                                             p.location())

        # Increase the precision, add altitude
        p = GeoPoint(np.array([77.397577193572642, 38.17996907564275, 50]),
                     crs_ll)
        qr.location = p
        nt.assert_equals(qr.location.crs(), crs_ll)
        np.testing.assert_array_almost_equal(qr.location.location(),
                                             p.location(),
                                             decimal=15)

        # Try different crs
        p = GeoPoint(np.array([601375.01, 4744863.31]), crs_utm_18n)
        qr.location = p
        nt.assert_equals(qr.location.crs(), crs_utm_18n)
        np.testing.assert_array_almost_equal(qr.location.location(),
                                             p.location())

        # Back to empty
        qr.location = GeoPoint()
        nt.ok_(qr.location.is_empty())
示例#3
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 def setUp(self):
   self.meta_ = SimpleMetadataMap()
   self.geo_ = LocalGeoCS()
   self.small_tag = [
         mt.tags.VITAL_META_UNKNOWN,
         mt.tags.VITAL_META_UNIX_TIMESTAMP,
         mt.tags.VITAL_META_SLANT_RANGE,
         mt.tags.VITAL_META_MISSION_ID,
         mt.tags.VITAL_META_VIDEO_KEY_FRAME,
     ]
   self.loc1 = np.array([-73.759291, 42.849631])
   self.crs_ll = geodesy.SRID.lat_lon_WGS84
   self.geo_pt1_ = GeoPoint(self.loc1, self.crs_ll)
   self.geo_.geo_origin = self.geo_pt1_
示例#4
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    def test_conversion(self):
        modules.load_known_modules()

        geo_outA = GeoPoint()
        lc_lla = LocalCartesian(self.origA)

        lc_lla.convert_from_cartesian(self.offset1, geo_outA)
        self.compare_lla(geo_outA.location(), self.geo1.location())

        cart_outA = lc_lla.convert_to_cartesian(geo_outA)
        self.compare_lla(cart_outA, self.offset1)

        lc_lla.convert_from_cartesian(self.offset2, geo_outA)
        self.compare_lla(geo_outA.location(), self.geo2.location())

        cart_outA = lc_lla.convert_to_cartesian(geo_outA)
        self.compare_lla(cart_outA, self.offset2)

        geo_outB = GeoPoint()
        lc_utm = LocalCartesian(self.origB)

        lc_utm.convert_from_cartesian(self.offset1, geo_outB)
        self.compare_lla(geo_outB.location(), self.geo1.location())

        cart_outB = lc_utm.convert_to_cartesian(geo_outB)
        self.compare_lla(cart_outB, self.offset1)

        lc_utm.convert_from_cartesian(self.offset2, geo_outB)
        self.compare_lla(geo_outB.location(), self.geo2.location())

        cart_outB = lc_utm.convert_to_cartesian(geo_outB)
        self.compare_lla(cart_outB, self.offset2)
示例#5
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    def test_get_set_geo_point(self):
        do = DetectedObject(self.bbox)

        # Check default
        nt.ok_(self.check_geo_points_equal(do.geo_point, GeoPoint()))

        # Setting to different value
        do.geo_point = self.geo_point
        nt.ok_(self.check_geo_points_equal(do.geo_point, self.geo_point))
示例#6
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    def setUp(self):
        self.g_point = GeoPoint(np.array([1, 2, 3]), gd.SRID.lat_lon_WGS84)

        poly = Polygon([
            np.array([10, 10]),
            np.array([10, 50]),
            np.array([50, 50]),
            np.array([30, 30]),
        ])

        self.g_poly = GeoPolygon(poly, gd.SRID.lat_lon_WGS84)
示例#7
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    def setUp(self):
        self.wgs = geodesy.SRID.lat_lon_WGS84
        self.crs_utm_18n = geodesy.SRID.UTM_WGS84_north + 18

        self.origA = GeoPoint(np.array([-73.759291, 42.849631, 0]), self.wgs)
        self.origB = GeoPoint(np.array([601375.01, 4744863.31, 0]),
                              self.crs_utm_18n)
        self.offset1 = np.array([25, 55, 0])
        self.offset2 = np.array([250, 5500, 50])
        self.geo1 = GeoPoint(np.array([-73.75898515, 42.85012609, 0]),
                             self.wgs)
        self.geo2 = GeoPoint(np.array([-73.75623008, 42.89913984, 52.381]),
                             self.wgs)
示例#8
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    def setUp(self):
        self.loc1 = np.array([-73.759291, 42.849631])
        self.loc2 = np.array([-149.484444, -17.619482])

        self.bbox = BoundingBox(10, 10, 20, 20)
        self.conf = 0.5
        self.dot = DetectedObjectType("example_class", 0.4)
        self.mask = ImageContainer(Image(1080, 720))

        # Values to set outside of constructor
        self.geo_point = GeoPoint(self.loc1, geodesy.SRID.lat_lon_WGS84)
        self.index = 5
        self.detector_name = "example_detector_name"

        self.descriptor = descriptor.new_descriptor(5)
        self.descriptor[:] = 10

        self.note_to_add = "example_note"

        self.keypoint_to_add = Point2d()
        self.keypoint_to_add.value = self.loc2
        self.keypoint_id = "example_keypoint_id"
 def setUp(self):
     self.wgs = geodesy.SRID.lat_lon_WGS84
     self.geo1 = GeoPoint(np.array([-73.75898515, 42.85012609, 0]),
                          self.wgs)
     self.geo2 = GeoPoint(np.array([-73.75623008, 42.89913984, 52.381]),
                          self.wgs)
示例#10
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class TestSFMConstraints(unittest.TestCase):
    @classmethod
    def setUp(self):
      self.meta_ = SimpleMetadataMap()
      self.geo_ = LocalGeoCS()
      self.small_tag = [
            mt.tags.VITAL_META_UNKNOWN,
            mt.tags.VITAL_META_UNIX_TIMESTAMP,
            mt.tags.VITAL_META_SLANT_RANGE,
            mt.tags.VITAL_META_MISSION_ID,
            mt.tags.VITAL_META_VIDEO_KEY_FRAME,
        ]
      self.loc1 = np.array([-73.759291, 42.849631])
      self.crs_ll = geodesy.SRID.lat_lon_WGS84
      self.geo_pt1_ = GeoPoint(self.loc1, self.crs_ll)
      self.geo_.geo_origin = self.geo_pt1_

    def test_init(self):
      s = SFMConstraints()
      SFMConstraints(s)
      SFMConstraints(self.meta_, self.geo_)

    def test_properties(self):
      # modules.load_known_modules()
      # metadata property
      s = SFMConstraints(self.meta_, self.geo_)
      get_meta = s.metadata
      nt.assert_equal(get_meta.size(), 0)
      m = SimpleMetadataMap()
      s.metadata = m
      nt.assert_equal(s.metadata.size(), 0)

      # local_geo_property
      ret_geo = s.local_geo_cs
      np.testing.assert_array_almost_equal(ret_geo.geo_origin.location(self.crs_ll),
                                                                        self.geo_pt1_.location())
      s = SFMConstraints()
      s.local_geo_cs = self.geo_
      ret_geo = s.local_geo_cs
      np.testing.assert_array_almost_equal(ret_geo.geo_origin.location(self.crs_ll),
                                                                        self.geo_pt1_.location())

    def test_get_camera_position_prior_local(self):
      s = SFMConstraints(self.meta_, self.geo_)
      nt.assert_false(s.get_camera_position_prior_local(0, np.array([0, 1, 3])))
      nt.assert_false(s.get_camera_position_prior_local(0, RotationD([1, 2, 3, 4])))

    def test_camera_position_priors(self):
      s = SFMConstraints(self.meta_, self.geo_)
      nt.assert_dict_equal(s.get_camera_position_priors(), {})

    def test_image_properties(self):
      s = SFMConstraints(self.meta_, self.geo_)
      s.store_image_size(0, 1080, 720)
      a,b = 0,0
      founda, foundb = False, False
      founda, a = s.get_image_width(0, a)
      foundb, b = s.get_image_height(0, b)
      nt.ok_(founda)
      nt.ok_(foundb)
      nt.assert_equal(a, 1080)
      nt.assert_equal(b, 720)
      found_focal = True
      focal_len = 0.1
      found_focal, focal_len = s.get_focal_length_prior(0, focal_len)
      nt.assert_false(found_focal)
      nt.assert_almost_equal(focal_len, 0.1)
示例#11
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class TestVitalLocalCartesian(unittest.TestCase):
    def setUp(self):
        self.wgs = geodesy.SRID.lat_lon_WGS84
        self.crs_utm_18n = geodesy.SRID.UTM_WGS84_north + 18

        self.origA = GeoPoint(np.array([-73.759291, 42.849631, 0]), self.wgs)
        self.origB = GeoPoint(np.array([601375.01, 4744863.31, 0]),
                              self.crs_utm_18n)
        self.offset1 = np.array([25, 55, 0])
        self.offset2 = np.array([250, 5500, 50])
        self.geo1 = GeoPoint(np.array([-73.75898515, 42.85012609, 0]),
                             self.wgs)
        self.geo2 = GeoPoint(np.array([-73.75623008, 42.89913984, 52.381]),
                             self.wgs)

    def test_create(self):
        LocalCartesian(self.origA, 0)
        LocalCartesian(self.origA, 33)

    def test_initial_origin(self):
        lc = LocalCartesian(self.origA, 0)
        np.testing.assert_array_almost_equal(lc.get_origin().location(),
                                             self.origA.location())

        lc = LocalCartesian(self.origA, 33)
        np.testing.assert_array_almost_equal(lc.get_origin().location(),
                                             self.origA.location())

    def test_initial_orientation(self):
        lc = LocalCartesian(self.origA, 0)
        nt.assert_equal(lc.get_orientation(), 0)

        lc = LocalCartesian(self.origA, 33)
        nt.assert_equal(lc.get_orientation(), 33)

    def check_origin_and_orient_equal(self, lc, origin, orient):
        np.testing.assert_array_almost_equal(lc.get_origin().location(),
                                             origin.location())
        nt.assert_equal(lc.get_orientation(), orient)

    def test_api(self):
        lc = LocalCartesian(self.origA, 0)

        lc.set_origin(self.geo1, 33)
        self.check_origin_and_orient_equal(lc, self.geo1, 33)

        lc.set_origin(self.geo2, 22)
        self.check_origin_and_orient_equal(lc, self.geo2, 22)

    def test_default_args(self):
        # Default value of orientation arg = 0
        lc = LocalCartesian(self.origA)
        self.check_origin_and_orient_equal(lc, self.origA, 0)

        # Test calling set_origin with named parameters
        lc.set_origin(orientation=33, origin=self.geo1)
        self.check_origin_and_orient_equal(lc, self.geo1, 33)

        # Now test named parameters of constructors
        lc = LocalCartesian(orientation=33, origin=self.origA)
        self.check_origin_and_orient_equal(lc, self.origA, 33)

        # Then default value of orientation argument for set_origin
        lc.set_origin(self.geo1)
        self.check_origin_and_orient_equal(lc, self.geo1, 0)

    def compare_lla(self, gp1, gp2):
        np.testing.assert_almost_equal(gp1[0], gp2[0], 7)
        np.testing.assert_almost_equal(gp1[1], gp2[1], 7)
        np.testing.assert_almost_equal(gp1[2], gp2[2], 3)

    def test_conversion(self):
        modules.load_known_modules()

        geo_outA = GeoPoint()
        lc_lla = LocalCartesian(self.origA)

        lc_lla.convert_from_cartesian(self.offset1, geo_outA)
        self.compare_lla(geo_outA.location(), self.geo1.location())

        cart_outA = lc_lla.convert_to_cartesian(geo_outA)
        self.compare_lla(cart_outA, self.offset1)

        lc_lla.convert_from_cartesian(self.offset2, geo_outA)
        self.compare_lla(geo_outA.location(), self.geo2.location())

        cart_outA = lc_lla.convert_to_cartesian(geo_outA)
        self.compare_lla(cart_outA, self.offset2)

        geo_outB = GeoPoint()
        lc_utm = LocalCartesian(self.origB)

        lc_utm.convert_from_cartesian(self.offset1, geo_outB)
        self.compare_lla(geo_outB.location(), self.geo1.location())

        cart_outB = lc_utm.convert_to_cartesian(geo_outB)
        self.compare_lla(cart_outB, self.offset1)

        lc_utm.convert_from_cartesian(self.offset2, geo_outB)
        self.compare_lla(geo_outB.location(), self.geo2.location())

        cart_outB = lc_utm.convert_to_cartesian(geo_outB)
        self.compare_lla(cart_outB, self.offset2)
示例#12
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    def test_driver(self):
        # GPS_WEEK - int
        tag = mt.tags.VITAL_META_GPS_WEEK
        inst1 = TypedMetadata_GPS_WEEK("GPS_WEEK_NAME1", 3)
        inst2 = TypedMetadata_GPS_WEEK("GPS_WEEK_NAME2", -3)
        type_info1 = TypeInfo("int", as_string="3")
        type_info2 = TypeInfo("int", as_string="-3")
        self.check_instance(inst1, PropInfo("GPS_WEEK_NAME1", tag, 3),
                            type_info1)
        self.check_instance(inst2, PropInfo("GPS_WEEK_NAME2", tag, -3),
                            type_info2)

        # UNIX_TIMESTAMP - uint64
        tag = mt.tags.VITAL_META_UNIX_TIMESTAMP
        inst1 = TypedMetadata_UNIX_TIMESTAMP("UNIX_TIMESTAMP_NAME1", 5)
        inst2 = TypedMetadata_UNIX_TIMESTAMP("UNIX_TIMESTAMP_NAME2", 0)
        prop_info1 = PropInfo("UNIX_TIMESTAMP_NAME1", tag, 5)
        prop_info2 = PropInfo("UNIX_TIMESTAMP_NAME2", tag, 0)
        type_impl = tc.get_uint64_rep()
        type_info1 = TypeInfo(type_impl,
                              has_uint64=True,
                              as_uint64=5,
                              as_string="5")
        type_info2 = TypeInfo(type_impl,
                              has_uint64=True,
                              as_uint64=0,
                              as_string="0")
        self.check_instance(inst1, prop_info1, type_info1)
        self.check_instance(inst2, prop_info2, type_info2)

        # SLANT_RANGE - double
        tag = mt.tags.VITAL_META_SLANT_RANGE
        inst1 = TypedMetadata_SLANT_RANGE("SLANT_RANGE_NAME1", 3.14)
        inst2 = TypedMetadata_SLANT_RANGE("SLANT_RANGE_NAME2", -3.14)
        prop_info1 = PropInfo("SLANT_RANGE_NAME1", tag, 3.14)
        prop_info2 = PropInfo("SLANT_RANGE_NAME2", tag, -3.14)
        type_info1 = TypeInfo("double",
                              has_double=True,
                              as_double=3.14,
                              as_string="3.14")
        type_info2 = TypeInfo("double",
                              has_double=True,
                              as_double=-3.14,
                              as_string="-3.14")
        self.check_instance(inst1, prop_info1, type_info1)
        self.check_instance(inst2, prop_info2, type_info2)

        # MISSION_ID - string
        tag = mt.tags.VITAL_META_MISSION_ID
        inst1 = TypedMetadata_MISSION_ID("MISSION_ID_NAME1", "")
        inst2 = TypedMetadata_MISSION_ID("MISSION_ID_NAME2", "data123")
        prop_info1 = PropInfo("MISSION_ID_NAME1", tag, "")
        prop_info2 = PropInfo("MISSION_ID_NAME2", tag, "data123")
        type_info1 = TypeInfo("string", has_string=True, as_string="")
        type_info2 = TypeInfo("string", has_string=True, as_string="data123")
        self.check_instance(inst1, prop_info1, type_info1)
        self.check_instance(inst2, prop_info2, type_info2)

        # VIDEO_KEY_FRAME - bool
        tag = mt.tags.VITAL_META_VIDEO_KEY_FRAME
        inst1 = TypedMetadata_VIDEO_KEY_FRAME("VIDEO_KEY_FRAME_NAME1", True)
        inst2 = TypedMetadata_VIDEO_KEY_FRAME("VIDEO_KEY_FRAME_NAME2", False)
        type_info1 = TypeInfo("bool", as_string="True")
        type_info2 = TypeInfo("bool", as_string="False")
        self.check_instance(inst1, PropInfo("VIDEO_KEY_FRAME_NAME1", tag,
                                            True), type_info1)
        self.check_instance(inst2, PropInfo("VIDEO_KEY_FRAME_NAME2", tag,
                                            False), type_info2)

        # FRAME_CENTER - kwiver::vital::geo_point
        tag = mt.tags.VITAL_META_FRAME_CENTER
        inst1 = TypedMetadata_FRAME_CENTER("FRAME_CENTER_NAME1", GeoPoint())
        inst2 = TypedMetadata_FRAME_CENTER("FRAME_CENTER_NAME2", self.g_point)
        type_info1 = TypeInfo("kwiver::vital::geo_point",
                              as_string=str(GeoPoint()))
        type_info2 = TypeInfo("kwiver::vital::geo_point",
                              as_string=str(self.g_point))
        self.check_instance(inst1,
                            PropInfo("FRAME_CENTER_NAME1", tag, GeoPoint()),
                            type_info1)
        self.check_instance(inst2,
                            PropInfo("FRAME_CENTER_NAME2", tag, self.g_point),
                            type_info2)

        # CORNER_POINTS - kwiver::vital::geo_polygon
        tag = mt.tags.VITAL_META_CORNER_POINTS
        inst1 = TypedMetadata_CORNER_POINTS("CORNER_POINTS_NAME1",
                                            GeoPolygon())
        inst2 = TypedMetadata_CORNER_POINTS("CORNER_POINTS_NAME2", self.g_poly)
        type_info1 = TypeInfo("kwiver::vital::geo_polygon",
                              as_string=str(GeoPolygon()))
        type_info2 = TypeInfo("kwiver::vital::geo_polygon",
                              as_string=str(self.g_poly))
        self.check_instance(inst1,
                            PropInfo("CORNER_POINTS_NAME1", tag, GeoPolygon()),
                            type_info1)
        self.check_instance(inst2,
                            PropInfo("CORNER_POINTS_NAME2", tag, self.g_poly),
                            type_info2)

        # UNKNOWN - int. There's also a separate class for the unknown tag,
        # which will be tested later
        tag = mt.tags.VITAL_META_UNKNOWN
        inst1 = TypedMetadata_UNKNOWN("UNKNOWN_NAME1", 2)
        inst2 = TypedMetadata_UNKNOWN("UNKNOWN_NAME2", -2)
        type_info1 = TypeInfo("int", as_string="2")
        type_info2 = TypeInfo("int", as_string="-2")
        self.check_instance(inst1, PropInfo("UNKNOWN_NAME1", tag, 2),
                            type_info1)
        self.check_instance(inst2, PropInfo("UNKNOWN_NAME2", tag, -2),
                            type_info2)

        # UnknownMetadataItem - This is a separate subclass of metadata_item
        # Can keep the tag the same
        inst = UnknownMetadataItem()
        exp_name = "Requested metadata item is not in collection"
        exp_string = "--Unknown metadata item--"
        prop_info = PropInfo(exp_name, tag, 0)
        type_info = TypeInfo("void",
                             as_string=exp_string,
                             as_double=0,
                             as_uint64=0)
        self.check_instance(inst, prop_info, type_info, is_valid=False)
示例#13
0
    def test_driver(self):
        # GPS_WEEK - int
        tag = mt.tags.VITAL_META_GPS_WEEK
        inst1 = MetadataItem(tag, 3)
        inst2 = MetadataItem(tag, -3)
        type_info1 = TypeInfo("int", as_string="3")
        type_info2 = TypeInfo("int", as_string="-3")
        self.check_instance(inst1, PropInfo("GPS Week", tag, 3), type_info1)
        self.check_instance(inst2, PropInfo("GPS Week", tag, -3), type_info2)

        # UNIX_TIMESTAMP - uint64
        tag = mt.tags.VITAL_META_UNIX_TIMESTAMP
        inst1 = MetadataItem(tag, 5)
        inst2 = MetadataItem(tag, 0)
        prop_info1 = PropInfo("Unix Timestamp (microseconds)", tag, 5)
        prop_info2 = PropInfo("Unix Timestamp (microseconds)", tag, 0)
        type_impl = tc.get_uint64_rep()
        type_info1 = TypeInfo(type_impl,
                              has_uint64=True,
                              as_uint64=5,
                              as_string="5")
        type_info2 = TypeInfo(type_impl,
                              has_uint64=True,
                              as_uint64=0,
                              as_string="0")
        self.check_instance(inst1, prop_info1, type_info1)
        self.check_instance(inst2, prop_info2, type_info2)

        # SLANT_RANGE - double
        tag = mt.tags.VITAL_META_SLANT_RANGE
        inst1 = MetadataItem(tag, 3.14)
        inst2 = MetadataItem(tag, -3.14)
        prop_info1 = PropInfo("Slant Range (meters)", tag, 3.14)
        prop_info2 = PropInfo("Slant Range (meters)", tag, -3.14)
        type_info1 = TypeInfo("double",
                              has_double=True,
                              as_double=3.14,
                              as_string="3.14")
        type_info2 = TypeInfo("double",
                              has_double=True,
                              as_double=-3.14,
                              as_string="-3.14")
        self.check_instance(inst1, prop_info1, type_info1)
        self.check_instance(inst2, prop_info2, type_info2)

        # MISSION_ID - string
        tag = mt.tags.VITAL_META_MISSION_ID
        inst1 = MetadataItem(tag, "")
        inst2 = MetadataItem(tag, "data123")
        prop_info1 = PropInfo("Mission ID", tag, "")
        prop_info2 = PropInfo("Mission ID", tag, "data123")
        type_info1 = TypeInfo("string", has_string=True, as_string="")
        type_info2 = TypeInfo("string", has_string=True, as_string="data123")
        self.check_instance(inst1, prop_info1, type_info1)
        self.check_instance(inst2, prop_info2, type_info2)

        # VIDEO_KEY_FRAME - bool
        tag = mt.tags.VITAL_META_VIDEO_KEY_FRAME
        inst1 = MetadataItem(tag, True)
        inst2 = MetadataItem(tag, False)
        type_info1 = TypeInfo("bool", as_string="True")
        type_info2 = TypeInfo("bool", as_string="False")
        self.check_instance(inst1, PropInfo("Is Key Frame", tag, True),
                            type_info1)
        self.check_instance(inst2, PropInfo("Is Key Frame", tag, False),
                            type_info2)

        # FRAME_CENTER - kwiver::vital::geo_point
        tag = mt.tags.VITAL_META_FRAME_CENTER
        inst1 = MetadataItem(tag, GeoPoint())
        inst2 = MetadataItem(tag, self.g_point)
        type_info1 = TypeInfo("kwiver::vital::geo_point",
                              as_string=str(GeoPoint()))
        type_info2 = TypeInfo("kwiver::vital::geo_point",
                              as_string=str(self.g_point))
        self.check_instance(
            inst1,
            PropInfo("Geodetic Frame Center (lon/lat/alt)", tag, GeoPoint()),
            type_info1)
        self.check_instance(
            inst2,
            PropInfo("Geodetic Frame Center (lon/lat/alt)", tag, self.g_point),
            type_info2)

        # CORNER_POINTS - kwiver::vital::geo_polygon
        tag = mt.tags.VITAL_META_CORNER_POINTS
        inst1 = MetadataItem(tag, GeoPolygon())
        inst2 = MetadataItem(tag, self.g_poly)
        type_info1 = TypeInfo("kwiver::vital::geo_polygon",
                              as_string=str(GeoPolygon()))
        type_info2 = TypeInfo("kwiver::vital::geo_polygon",
                              as_string=str(self.g_poly))
        self.check_instance(
            inst1, PropInfo("Corner Points (lon/lat)", tag, GeoPolygon()),
            type_info1)
        self.check_instance(
            inst2, PropInfo("Corner Points (lon/lat)", tag, self.g_poly),
            type_info2)

        # UNKNOWN - int
        tag = mt.tags.VITAL_META_UNKNOWN
        inst1 = MetadataItem(tag, 2)
        inst2 = MetadataItem(tag, -2)
        type_info1 = TypeInfo("int", as_string="2")
        type_info2 = TypeInfo("int", as_string="-2")
        self.check_instance(inst1, PropInfo("Unknown / Undefined Entry", tag,
                                            2), type_info1, False)
        self.check_instance(inst2,
                            PropInfo("Unknown / Undefined Entry", tag, -2),
                            type_info2, False)