CERC/building_selection_tool
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Add select by coordinate function and update code comments

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This commit is contained in:
Koa Wells 2024-01-08 18:13:23 -05:00
parent 26093f7bb2
commit 43e5666a9b
2 changed files with 24 additions and 8 deletions
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25
building_selection_tool.py
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@ -26,8 +26,7 @@ class BuildingSelectionTool:
def select_by_polygon(self, selection_polygon_coordinates): def select_by_polygon(self, selection_polygon_coordinates):
""" """
Get all buildings within a specified polygon and write the output to output_file_path Get all buildings within a specified polygon and write the output to output_file_path
:param selection_polygon: list of coordinates forming the selection polygon :param selection_polygon_coordinates: list of coordinates forming the selection polygon
:param output_file_path: path and file name for output file containing selected buildings and their metadata
:return: None :return: None
""" """
selection_polygon = Polygon(selection_polygon_coordinates) selection_polygon = Polygon(selection_polygon_coordinates)
@ -42,15 +41,24 @@ class BuildingSelectionTool:
def select_by_coordinate(self, coordinate): def select_by_coordinate(self, coordinate):
""" """
:param coordinate: longitude, latitude coordinate of selected :param coordinate: longitude, latitude coordinate of selected
:return: :return: None
""" """
pass longitude = coordinate[0]
latitude = coordinate[1]
point = Point([longitude, latitude])
for building in self.buildings:
building_coordinates = building['geometry']['coordinates'][0]
building_polygon = Polygon(building_coordinates)
if point.within(building_polygon):
self.selected_buildings.append(building)
def select_by_address(self, address): def select_by_address(self, address):
""" """
Select a building by inputting an address
:param address: :param address:
:return: :return: None
""" """
coordinates = helpers.get_gps_coordinate_by_address(address) coordinates = helpers.get_gps_coordinate_by_address(address)
longitude = coordinates[1] longitude = coordinates[1]
@ -66,8 +74,9 @@ class BuildingSelectionTool:
def save_selected_buildings(self, output_file_path): def save_selected_buildings(self, output_file_path):
""" """
Save all selected buildings to an output file.
:return: :param output_file_path: destination file path including file name and extension
:return: None
""" """
output_file = Path(output_file_path).resolve() output_file = Path(output_file_path).resolve()
output_region = {"type": "FeatureCollection", output_region = {"type": "FeatureCollection",

7
main.py
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@ -2,6 +2,7 @@ from building_selection_tool import BuildingSelectionTool
selection_tool = BuildingSelectionTool('./data/collinear_clean.geojson') selection_tool = BuildingSelectionTool('./data/collinear_clean.geojson')
# select all buildings within a polygon
sample_polygon_coordinates = [[-73.543833, 45.575932], sample_polygon_coordinates = [[-73.543833, 45.575932],
[-73.541834, 45.575245], [-73.541834, 45.575245],
[-73.542275, 45.574652], [-73.542275, 45.574652],
@ -10,8 +11,14 @@ sample_polygon_coordinates = [[-73.543833, 45.575932],
selection_tool.select_by_polygon(sample_polygon_coordinates) selection_tool.select_by_polygon(sample_polygon_coordinates)
# select building by address
sample_address = "2155 Rue Guy, Montreal, Quebec" sample_address = "2155 Rue Guy, Montreal, Quebec"
selection_tool.select_by_address(sample_address) selection_tool.select_by_address(sample_address)
# select building by [longitude, latitude] coordinate
sample_coordinate = [-73.5790796, 45.4972906]
selection_tool.select_by_coordinate(sample_coordinate)
# save selected buildings in geojson format to specified output_file_path
output_file_path = "./output_files/sample_output.geojson" output_file_path = "./output_files/sample_output.geojson"
selection_tool.save_selected_buildings(output_file_path) selection_tool.save_selected_buildings(output_file_path)