DRCOG - DRCOG Geospatial API Cookbook

DRCOG Geospatial API Cookbook

The DRCOG Regional Data Catalog. is an ever-growing resource for data in the Denver region. This API provides a way for developers to interact with that data through RESTful web services to build interesting web applications.

You can find more details for how to use the API in the DRCOG Cookbook.

If you have any questions, feedback or suggestions for ways we can make accessing and using our data easier please contact Justin Lewis.

API Documentation Pages


Attribute Query	Performs an attribute query on a geotable.
Buffer Feature	Buffer a feature in one layer and return buffered features of the same or a different layer.
Buffer Point	Buffer an XY coordinate by a specified distance and return selected features.
Feature Overlay	Overlay features from one PostGIS layer onto another PostGIS layer and return the results
Get Centroid	Returns the centroid(s) of the geometry of feature(s) from a spatial layer.
Get Extent	Get the extent of features from a specified geotable.
Identify	Identify features from multiple layers. This is a good work-around for when you are trying to identify features from many layers using consecutive Buffer Point requests.
List Fields	List the fields in a geotable.
List Layers	List the geo layers in PostGIS
Point Overlay	Takes a user defined point and overlays it with a specified geotable.
Project Point	Takes a user defined point and return the XY coordinates in another projection.

Regional Data Catalog

DRCOG Geospatial API Cookbook

Example Applications

Get the source code!

API Documentation Pages