City2Graph · Import urban data

Bring urban features into City2Graph for Burjassot: Overture buildings and places, local GIS files, and GTFS public-transport feeds.

This walkthrough mirrors the Data Import panel.

Before you begin

Open the City2Graph tab. To align downloads with an existing street network, keep an OSMnx network active and use From OSMnx as the area method.

1. Define the area

In Data Import, set Define Area. The simplest option is Place with Burjassot, Valencia, Spain. Other methods (From OSMnx, Point, Address, BBox, Polygon) reuse the OSMnx area fields.

Defining the Burjassot area in Data Import.

2. Download Overture features

Toggle the Overture layers you need — building, segment, place, water, land — and set a Limit. Press Get as Mesh for footprints, or Get as Points to create point nodes directly.

Selecting Overture layers and downloading.

3. Convert to centroids

Press Convert to Centroids to reduce polygon footprints to one point each — the node representation that proximity graphs expect.

Converting building footprints to centroids.

4. Load a local file

Press Load File and pick a GeoPackage, Shapefile or GeoJSON to import your own zones or features.

Loading a local GIS file.

5. Import GTFS

Set the GTFS Path (a São Paulo feed ships under examples/GTFS/) and press Import GTFS. Then Visualize GTFS to draw stops and routes.

Importing and visualizing a GTFS feed.

Next steps

With features in hand, continue with Build a morphological graph or Build proximity graphs.