Partial correction citygml read
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@ -9,7 +9,6 @@ import xmltodict
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from city_model_structure.city import City
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from city_model_structure.building import Building
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from helpers.geometry_helper import GeometryHelper
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from city_model_structure.attributes.polygon import Polygon
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from imports.geometry.citygml_lod2 import CityGmlLod2
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from imports.geometry.citygml_lod1 import CityGmlLod1
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@ -66,7 +65,25 @@ class CityGml:
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"""
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return self._gml
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def _create_building(self):
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def _create_building(self, city_object):
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name = city_object['@id']
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function = None
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year_of_construction = None
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if 'yearOfConstruction' in city_object:
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year_of_construction = city_object['yearOfConstruction']
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if 'function' in city_object:
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function = city_object['function']
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if any(key in city_object for key in self._lod1_tags):
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lod = 1
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surfaces = CityGmlLod1(city_object).surfaces
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elif any(key in city_object for key in self._lod2_tags):
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lod = 2
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surfaces = CityGmlLod2(city_object).surfaces
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else:
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raise NotImplementedError("Not supported level of detail")
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return Building(name, lod, surfaces, year_of_construction, function, self._lower_corner,[])
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def _create_parts_consisting_building(self):
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raise NotImplementedError
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@property
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@ -75,139 +92,13 @@ class CityGml:
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City model structure enriched with the geometry information
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:return: City
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"""
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if self._city is None:
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self._city = City(self._lower_corner, self._upper_corner, self._srs_name)
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for o in self._gml['CityModel']['cityObjectMember']:
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lod = 0
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surfaces = []
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if any(key in o['Building'] for key in self._lod1_tags):
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lod = 1
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surfaces = CityGmlLod1(o).surfaces
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elif any(key in o['Building'] for key in self._lod2_tags):
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lod = 2
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surfaces = CityGmlLod2(o).surfaces
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elif 'consistsOfBuildingPart' in o['Building']:
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city_object = o['Building']
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if 'consistsOfBuildingPart' in city_object:
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raise NotImplementedError("Building cluster")
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'''
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if 'lod1Solid' in o['Building']:
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lod += 1
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surfaces = CityGmlLod1.lod1_solid(o)
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elif 'lod1MultiSurface' in o['Building']:
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lod += 1
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surfaces = CityGmlLod1.lod1_multi_surface(o)
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elif 'lod2Solid' in o['Building'] :
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lod += 1
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surfaces = CityGmlLod2.lod2_solid(o)
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elif 'lod2MultiSurface' in o['Building']:
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# todo: check if this is a real case or a miss-formed citygml
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lod = 2
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surfaces = surfaces + CityGmlLod2.lod2_solid_multi_surface(o)
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else:
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for bound in o['Building']['boundedBy']:
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surface_type = next(iter(bound))
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if 'lod2MultiSurface' in bound[surface_type]:
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lod = 2
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surfaces = surfaces + CityGmlLod2.lod2(bound)
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if 'lod3Solid' in o['Building']:
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lod += 4
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if 'lod4Solid' in o['Building']:
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lod += 8
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'''
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lod_terrain_str = 'lod' + str(lod) + 'TerrainIntersection'
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terrains = []
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if lod_terrain_str in o['Building']:
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terrains = self._terrains(o, lod_terrain_str)
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function = None
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year_of_construction = None
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name = o['Building']['@id']
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if 'yearOfConstruction' in o['Building']:
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year_of_construction = o['Building']['yearOfConstruction']
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if 'function' in o['Building']:
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function = o['Building']['function']
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self._city.add_city_object(Building(name, lod, surfaces, year_of_construction, function, self._lower_corner,
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terrains))
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return self._city
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def _terrains(self, city_object, lod_terrain_str):
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try:
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curves = [c['LineString']['posList']['#text']
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for c in city_object['Building'][lod_terrain_str]['MultiCurve']['curveMember']]
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except TypeError:
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curves = [c['LineString']['posList']
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for c in city_object['Building'][lod_terrain_str]['MultiCurve']['curveMember']]
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terrains = []
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for curve in curves:
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curve_points = np.fromstring(curve, dtype=float, sep=' ')
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curve_points = self._geometry.to_points_matrix(curve_points)
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terrains.append(curve_points)
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return terrains
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@staticmethod
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def _holes_points(holes_coordinates) -> [np.ndarray]:
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"""
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Holes surfaces point matrices [[[x, y, z],[x, y, z],...]]
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:parameter holes_coordinates: strings from file
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:return: [np.ndarray]
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"""
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holes_points = []
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for hole_coordinates in holes_coordinates:
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hole_points = np.fromstring(hole_coordinates, dtype=float, sep=' ')
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hole_points = GeometryHelper.to_points_matrix(hole_points)
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holes_points.append(hole_points)
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return holes_points
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@staticmethod
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def _perimeter_points(coordinates, solid_points, holes_points) -> np.ndarray:
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"""
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Matrix of points of the perimeter in the same order as in coordinates [[x, y, z],[x, y, z],...]
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:parameter coordinates: string from file
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:parameter solid_points: np.ndarray points that define the solid part of a surface
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:parameter holes_points: [np.ndarray] points that define each the holes in a surface
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:return: np.ndarray
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"""
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if holes_points is None:
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perimeter_points = solid_points
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else:
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_perimeter_coordinates = coordinates
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for hole_points in holes_points:
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_hole = np.append(hole_points, hole_points[0])
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_closed_hole = ' '.join(str(e) for e in [*_hole[:]])
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# add a mark 'M' to ensure that the recombination of points does not provoke errors in finding holes
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_perimeter_coordinates = _perimeter_coordinates.replace(_closed_hole, 'M')
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_perimeter_coordinates = _perimeter_coordinates.replace('M', '')
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perimeter_points = np.fromstring(_perimeter_coordinates, dtype=float, sep=' ')
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perimeter_points = GeometryHelper.to_points_matrix(perimeter_points)
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# remove duplicated points
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pv = np.array([perimeter_points[0]])
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for point in perimeter_points:
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duplicated_point = False
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for p in pv:
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if GeometryHelper().almost_equal(0.0, p, point):
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duplicated_point = True
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if not duplicated_point:
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pv = np.append(pv, [point], axis=0)
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perimeter_points = pv
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return perimeter_points
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@staticmethod
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def _holes_polygons(holes_points) -> [Polygon]:
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"""
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hole surfaces, a list of hole polygons found in a surface
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:parameter holes_points: [np.ndarray] that define each of the holes
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:return: None, [] or [Polygon]
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None -> not known whether holes exist in reality or not due to low level of detail of input data
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[] -> no holes in the surface
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[Polygon] -> one or more holes in the surface
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"""
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if holes_points is None:
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holes_polygons = None
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else:
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holes_polygons = []
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for hole_points in holes_points:
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holes_polygons.append(Polygon(hole_points))
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return holes_polygons
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self._city.add_city_object(self._create_building(city_object))
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return self._city
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@ -39,7 +39,3 @@ class CityGmlBase(ABC):
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@classmethod
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def _multi_curve(cls, o):
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raise NotImplementedError
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@classmethod
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def _building_parts(cls, o):
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raise NotImplementedError
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@ -1,11 +1,10 @@
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from imports.geometry.citygml_base import CityGmlBase
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from city_model_structure.attributes.surface import Surface
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from city_model_structure.attributes.polygon import Polygon
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from imports.geometry.helpers.geometry_helper import GeometryHelper
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class CityGmlLod2(CityGmlBase):
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class CityGmlLod2(CityGmlBase):
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def __init__(self, o):
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super().__init__()
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@ -14,38 +13,32 @@ class CityGmlLod2(CityGmlBase):
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@classmethod
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def _identify(cls, o):
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if 'lod2Solid' in o['Building']:
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if 'lod2Solid' in o:
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return cls._solid(o)
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elif 'lod2MultiSurface' in o['Building']:
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print('multi_surface')
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elif 'lod2MultiSurface' in o:
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return cls._multi_surface(o)
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elif 'lod2MultiCurve' in o['Building']:
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print('multi_curve')
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elif 'lod2MultiCurve' in o:
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return cls._multi_curve(o)
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elif 'consistsOfBuildingPart' in o['Building']:
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raise NotImplementedError
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@staticmethod
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def _surface_encoding(surfaces):
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if 'lod2MultiSurface' in surfaces:
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return 'lod2MultiSurface', 'MultiSurface'
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return 'unknown'
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raise NotImplementedError('unknown surface type')
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@classmethod
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def _solid(cls, o):
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surfaces = []
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for b in o["Building"]["boundedBy"]:
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for b in o["boundedBy"]:
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surface_type = next(iter(b))
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surface_encoding, surface_subtype = cls._surface_encoding(b[surface_type])
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for member in b[surface_type][surface_encoding][surface_subtype]['surfaceMember']:
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sp = cls._solid_points(cls._remove_last_point(member['Polygon']['exterior']['LinearRing']['posList']))
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p = Polygon(sp)
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surface = Surface(p,p, surface_type=GeometryHelper.gml_surface_to_libs(surface_type))
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surface = Surface(p, p, surface_type=GeometryHelper.gml_surface_to_libs(surface_type))
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surfaces.append(surface)
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return surfaces
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@classmethod
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def _multi_curve(cls, o):
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raise NotImplementedError
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@ -53,67 +46,3 @@ class CityGmlLod2(CityGmlBase):
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@classmethod
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def _multi_surface(cls, o):
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raise NotImplementedError
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@classmethod
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def _lod2(cls, bound):
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surfaces = []
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for surface_type in iter(bound):
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for s in bound[surface_type]['lod2MultiSurface']['MultiSurface']['surfaceMember']:
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if 'CompositeSurface' in s:
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surfaces = surfaces + cls._lod2_composite_surface(s)
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else:
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surfaces = surfaces + cls._lod2_multi_surface(s, surface_type)
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return surfaces
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@classmethod
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def _lod2_solid_multi_surface(cls, o):
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polygons = None
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if 'boundedBy' in o['Building']['consistsOfBuildingPart']['BuildingPart']:
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if 'RoofSurface' in o['Building']['consistsOfBuildingPart']['BuildingPart']['boundedBy']:
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if o['Building']['consistsOfBuildingPart']['BuildingPart']['boundedBy']['RoofSurface']['lod2MultiSurface'] != 'None':
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polygons = [Polygon(cls._remove_last_point(s['Polygon']['exterior']['LinearRing']['posList']))
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for s in o['Building']['consistsOfBuildingPart']['BuildingPart']['boundedBy']['RoofSurface']
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['lod2MultiSurface']['MultiSurface']['surfaceMember']]
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elif 'WallSurface' in o['Building']['consistsOfBuildingPart']['BuildingPart']['boundedBy']:
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if o['Building']['consistsOfBuildingPart']['BuildingPart']['boundedBy']['WallSurface']['lod2MultiSurface'] != 'None':
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polygons = [Polygon(cls._remove_last_point(s['Polygon']['exterior']['LinearRing']['posList']))
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for s in o['Building']['consistsOfBuildingPart']['BuildingPart']['boundedBy']['WallSurface']['lod2MultiSurface']['MultiSurface']['surfaceMember']]
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else:
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polygons = [Polygon(cls._remove_last_point(s['Polygon']['exterior']['LinearRing']['posList']))
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for s in o['Building']['lod2MultiSurface']['MultiSurface']['surfaceMember']]
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return [Surface(p,p) for p in polygons]
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@classmethod
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def _lod2_solid(cls, o):
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for walls in o['Building']['boundedBy']['wallSurface']:
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print(f'solid')
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@classmethod
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def _lod2_solid_composite_surface(cls, o):
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try:
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solid_points = [cls._solid_points(cls._remove_last_point(s['Polygon']['exterior']['LinearRing']['posList']['#text']))
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for s in o['Building']['lod2Solid']['Solid']['exterior']['CompositeSurface']['surfaceMember']]
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except TypeError:
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solid_points = [cls._solid_points(cls._remove_last_point(s['Polygon']['exterior']['LinearRing']['posList']))
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for s in o['Building']['lod2Solid']['Solid']['exterior']['CompositeSurface']['surfaceMember']]
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return [Surface(Polygon(sp),Polygon(sp)) for sp in solid_points]
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@classmethod
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def _lod2_composite_surface(cls, s):
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solid_points = [
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cls._solid_points((cls._remove_last_point(sm['Polygon']['exterior']['LinearRing']['posList'])))
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for sm in s['CompositeSurface']['surfaceMember']]
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return [Surface(Polygon(sp), Polygon(sp)) for sp in solid_points]
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@classmethod
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def _lod2_multi_surface(cls, s, surface_type):
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# todo: this need to be changed into surface bounded?
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try:
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solid_points = [cls._solid_points(cls._remove_last_point(
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s['Polygon']['exterior']['LinearRing']['posList']['#text']))]
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except TypeError:
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solid_points = [cls._solid_points(cls._remove_last_point(s['Polygon']['exterior']['LinearRing']['posList']))]
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return [Surface(Polygon(sp), Polygon(sp), surface_type=surface_type) for sp in solid_points]
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