Questions tagged [osmnx]
a Python package that lets you download geospatial data from OpenStreetMap.
36
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Color osmnx map by place (using graph_from_place() method)
Let's say we want to graph the two below villages, which are in the UK. We also want to colour the streets by length. We can do:
# Get data
import osmnx as ox
place = ["Broughton Hackett", &...
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1
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236
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Convert a list of coordinates to an OSM path using Python
I have GPS coordinates recorded from vehicles for an itinerary and I need the get the path on osm so I can extract features like highways. I tried to use ox.get_nearest_node method for each point in ...
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1
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166
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Point projection in GeoPandas for OSMnx graph
I am struggling with a crs conversion in GeoPandas.
Basically I just want to calculate the distance between a point and an edge of my OSMnx graph.
The coordinates of the point are retrieved from the ...
- 21
2
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216
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Creating a geodataframe from a list of LineStrings or routes
I have created a separate LineString for each origin-destination couples
of subdivisions and I did it manually cause when I use a for loop it creates a dataframe with 1 LineString from all lines...
...
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18
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How to generate shapely.geomtery.polygon from GTFS feed
I want to generate a graph using osmnx.graph.graph_from_polygon method. It requires a shapely.geometry.polygon as an input. Using GTFS Feed, is it possible to generate the polygon. I am aware, it can ...
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53
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Using Rasterio to create mask from osmnx graph edges creates black .tif
I am using rasterio to create a mask of some .tif with an edge graph that I created with osmnx.
I'm assuming that there is something I have to do to the graph to make it work correctly as it works ...
- 195
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22
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gdal.RasterizeLayer works with one set of TIFFs but not with another where I use a gdf created with osmnx
I have the following functions I'm using.
Warning: They are fairly large (actually just one of the TIFFs is).
Could it be a size issue?
import time
import numpy as np
import os
import rasterio
import ...
- 195
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211
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Adding a new point to a graph in NetworkX
I am working with some points between which I need to find the shortest paths along a graph in NetworkX. I'm trying to take a point that is currently not on the graph and connect it to the graph, i.e.,...
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69
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How to save geometries and graph together from osmnx?
I've been able to work out how to get all the geometries and shapes I want together with the nodes with osmnx.
Now I have two objects, a graph (MultiDiGraph) and an objects geopandas dataframe with ...
- 195
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213
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Folium map not updating when adding Tooltip attribute in PyQt GUI
I am trying to create a geospatial Python GUI app using PyQT5, Geopandas, OSMnX, and Folium. I am converting the app into an .EXE file using pyinstaller. The app looks something like this:
I am using ...
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310
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Pyinstaller .EXE AttributeError: partially initialized module 'fiona' has no attribute '_loading' (most likely due to a circular import)
I am trying to create a geospatial Python GUI app using PyQT5, Geopandas, OSMnX, and Folium. I am converting the app into an .EXE file using pyinstaller. Previously, I was successfully able to create ...
1
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1
answer
220
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How to make necessary changes to Geodataframe to export as geopackage or shapefile
I am trying to export a geodatabase I created via the OMSNX package. ()
When I attempt to convert the file from a geodatabase to shapefile I get an error "ValueError: Invalid field type <class ...
- 21
0
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137
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Shortest-path algorithms used in Networkx: what about points not near nodes?
I am new to Networkx, but am I right that Dijkstra's is the algorithm Networkx uses by default? From what I understand, Dijkstra's algorithm traces a shortest path between two nodes on a graph. What, ...
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199
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HTTPSConnectionPool(host='overpass-api.de', port=443): "Read timed out" on a demanding job (OSMnx)
I am trying to fetch POI (amenities more specifically) of OpenStreetMAp data for every edge of a city street network by using geometries.geometries_from_point function of OSMnx package. I guess, ...
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341
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Syntax for retrieving the coordinates of point features using GeoPandas
I have two point shapefiles (with just one point each, let's call them 'Origin' and 'Destination'). I need to find the shortest path between them over a street network extracted using OSMnx from ...
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211
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Seeing which node has given node ID in osmnx [closed]
I have been reading the documentation on OSMnx and I am trying to use the command osmnx.shortest_path(G, orig, dest, weight = "length") on a graph of a city. I know which nodes I want to ...
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59
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Issue with creating sub graphs from Los Angeles County graph
I am trying to extract a subgraph using networkx ego_graph function from Los Angeles County graph.
When i plot this graph and compare it with graph generated from graph_from_point (which looks correct)...
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112
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Loading intersections consolidated graphs
To get the right connected components, I projected a graph then use osmnx.simplification.consolidate_intersections to consolidate intersections.
import osmnx as ox
import pandas as pd
import networkx ...
- 11
2
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1
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144
views
Parallel offset on Folium
Is there any way to add parallel offset for those lines which oneway road are False?
All line here are straight (segment). So We just have two points for each line (start and end points).
# There is ...
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533
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Downloading buildings data from OSM with a polygon (shapefile) as the bounding box
I am struggling to complete this task. I am trying OSMnx which can be used to download data from OSM above however I am getting an error when using its from_polygon feature when trying to download ...
- 413
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518
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OSMNX - City Suburbs Polygons
I'd like to extract, given a city name, all suburbs and relative polygon geometries. For instance:
https://nominatim.articque.com/details.php?place_id=230259366
So, I run the code:
place = 'Torino, ...
2
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1
answer
180
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Showing two roads lane of one road
I am using osmnx package to visualize a street network. I would like to visualize both (two) lanes in opposite directions of a road. I am using this code https://github.com/gboeing/osmnx/issues/162
...
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891
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osmnx.get_nearest_edge(s) behaves randomly
I'm struggling with a rather odd problem with the python package OSMNx.
I have lots of GPS points in a pandas dataframe that were originally in EPSG 4326, but I've already projected them onto EPSG ...
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349
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Convert Linestrings from OSMnx into Multipolygon
I'm retrieving some geometries from OpenStreetMap with OSMnx library with the following code:
G = ox.graph_from_place('Casco Viejo, Bilbao, Spain', network_type='walk',
...
- 516
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238
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Is there a way to see the type of tags/features pulled in an OSMnx multigraph?
I'm new to OSMnx / Overpass queries.
I'm trying to pull data on rail networks in global cities. I'm using the script in Python below to pull rail data in London, for example.
There are a number of ...
2
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1
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460
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Query to Calculating Rail Length Using Overpass API / OSMnx Python
I'm new to overpass queries. I'm trying to write a python script to pull data on the length of rail in major global cities. I am having a problem in the length of track (using osmnx.basic_stats(G)) ...
3
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1
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Cannot get OSM tags when downloading data with osmnx functions which are based on Nominatim requests
Context
I am trying to download some footway graph from OpenStreetMap (OSM) using osmnx.
Here is a piece of code:
import os, sys
import pandas as pd
import geopandas as gpd
import matplotlib.cm as cm
...
- 6,698
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54
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How to retrieve oneway taxiways from Overpas API?
I have was able to make a query to http://overpass-turbo.eu/ where I request the taxiways of a specific airport like this:
[out:xml]/*fixed by auto repair*/[timeout:25];
// fetch area “airport” to ...
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1
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405
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How to save overpy query to .osm?
I am using overpy to collect data information about taxiways, taxilanes and parking positions of an airport (icao code LOWW). I was able to achieve my goal I wrote the following lines of code:
import ...
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3
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295
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Polygon projection fail with osmnx [closed]
I download a graph and plotted an accessability polygon on the projected graph according to tutorial
G = ox.project_graph(G) #
Then I wanted to project my accessibilty polygon g1 back to 'epsg:3857'...
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314
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OSMNx Extracting blocks from point and save coordinates of corners of each block
I am playing with OSMNx and I would like to extract street blocks,
I have this code which should display the blocks
import osmnx as ox
import geopandas as gpd
import shapely
from shapely.geometry ...
- 11
2
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0
answers
94
views
OSMNX KeyError when trying to compute edge_centrality on a graph composition
Context:
I am trying to merge several different graphs (some sharing nodes with others) downloaded from openstreetmap using omsmx.
While storing these different graphs in a list, I use the nx....
- 6,698
2
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1
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467
views
Writing osmnx queried footprints to shapefile
I'm attempting to pull a set of building footprints from open street map using a shapefile boundary. I have success getting the buildings into a geodataframe, but when I attempt to write them out to ...
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253
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Street traffic flow (from Azure Map GeoJSON) to OpenStreetMap street network (graph)
The Ultimate Goal: I am trying to find the shortest and least traffic path between two points for a given pair of latitudes and longitudes on the map. This is rather standard in most of the maps, but ...
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256
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Save polygon on map
It is probably a noob question but I'm still a beginner with maps and these libraries.
I used OSMnx, NetworkX and GeoPandas the draw a map with two polygons on it.
Each polygon have the begin with ...
- 21
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1k
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Getting pedestrian network with osmnx
Context
I would like to extract into a network (i.e. a graph with a topology that can be used for routing), all pathways that can be 'legally' walked by pedestrians in an geographical area.
I am ...
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