CERC/hub
58
0
Fork 0
Code Issues 2 Pull Requests Actions Packages Projects Releases 84 Wiki Activity

added shared walls to geojson. geojson importer test raises an error because the surfaces are triangulated. It should be solved when extrusion is finished

Browse Source
This commit is contained in:
Pilar 2023-03-10 15:15:18 -05:00
parent d198ac9141
commit a0e52b3e8d
2 changed files with 26 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
hub/imports/geometry/geojson.py
View File

@ -120,33 +120,34 @@ class Geojson:
def _store_shared_percentage_to_walls(self, city, city_mapped):
for building in city.buildings:
building_mapped = city_mapped[building.name]
for entry in building_mapped:
if building_mapped[entry]['shared_points'] <= 3:
for wall in building.walls:
percentage = 0
ground_line = []
for point in wall.perimeter_polygon.coordinates:
if point[2] < 0.5:
ground_line.append(point)
# todo: erase when we have no triangulation
if len(ground_line) < 2:
continue
line = [building_mapped[entry]['line_start'], building_mapped[entry]['line_end']]
neighbour_line = [building_mapped[entry]['neighbour_line_start'], building_mapped[entry]['neighbour_line_end']]
neighbour_height = city.city_object(building_mapped[entry]['neighbour_name']).max_height
for wall in building.walls:
percentage = 0
ground_line = []
for point in wall.perimeter_polygon.coordinates:
if point[2] < 0.5:
ground_line.append(point)
# todo: erase when we have no triangulation
if len(ground_line) < 2:
# todo: erase down to here
for entry in building_mapped:
if building_mapped[entry]['shared_points'] <= 5:
continue
# todo: erase down to here
line = [building_mapped[entry]['line_start'], building_mapped[entry]['line_end']]
neighbour_line = [building_mapped[entry]['neighbour_line_start'],
building_mapped[entry]['neighbour_line_end']]
neighbour_height = city.city_object(building_mapped[entry]['neighbour_name']).max_height
if self._find_wall(line, ground_line):
line_shared = (GeometryHelper.distance_between_points(line[0], line[1]) +
GeometryHelper.distance_between_points(neighbour_line[0], neighbour_line[1]) -
GeometryHelper.distance_between_points(line[1], neighbour_line[0]) -
GeometryHelper.distance_between_points(line[0], neighbour_line[1])) / 2
percentage = line_shared / GeometryHelper.distance_between_points(line[0], line[1])
percentage_ground = line_shared / GeometryHelper.distance_between_points(line[0], line[1])
percentage_height = neighbour_height / building.max_height
if percentage_height > 1:
percentage_height = 1
percentage = percentage * percentage_height
wall.percentage_shared = percentage
percentage += percentage_ground * percentage_height
wall.percentage_shared = percentage
@property
def city(self) -> City:
@ -157,6 +158,7 @@ class Geojson:
missing_functions = []
buildings = []
building_id = 0
lod = 1
for feature in self._geojson['features']:
extrusion_height = 0
if self._extrusion_height_field is not None:
@ -182,7 +184,6 @@ class Geojson:
building_name = f'building_{building_id}'
building_id += 1
polygons = []
lod = 1
for part, coordinates in enumerate(geometry['coordinates']):
polygons = self._get_polygons(polygons, coordinates)
for zone, polygon in enumerate(polygons):
@ -205,6 +206,9 @@ class Geojson:
for building in buildings:
self._city.add_city_object(building)
self._city.level_of_detail.geometry = lod
if lod == 1:
lines_information = GeometryHelper.city_mapping(self._city)
self._store_shared_percentage_to_walls(self._city, lines_information)
if len(missing_functions) > 0:
print(f'There are unknown functions {missing_functions}')
return self._city

7
hub/unittests/test_geometry_factory.py
View File

@ -9,8 +9,6 @@ from pathlib import Path
from unittest import TestCase
from hub.helpers.geometry_helper import GeometryHelper
from numpy import inf
import hub.exports.exports_factory
from hub.imports.construction_factory import ConstructionFactory
from hub.imports.geometry_factory import GeometryFactory
@ -135,7 +133,7 @@ class TestGeometryFactory(TestCase):
"""
Test geojson import
"""
file = 'concordia.geojson'
file = 'neighbours.geojson'
city = self._get_city(file, 'geojson',
height_field='citygml_me',
year_of_construction_field='ANNEE_CONS',
@ -144,6 +142,9 @@ class TestGeometryFactory(TestCase):
hub.exports.exports_factory.ExportsFactory('obj', city, self._output_path).export()
self.assertEqual(207, len(city.buildings), 'wrong number of buildings')
self._check_buildings(city)
for building in city.buildings:
for wall in building.walls:
self.assertIsNotNone(wall.percentage_shared, 'wall percentage shared is not assigned')
def test_map_neighbours(self):
"""