Web Services

Overview

The USC GIS Research Laboratory WebGIS site provides access to many of the services developed during the course of ongoing research in the lab. The services offered focus foremost on the production and accuracy of geographic data. Improving and explaining the underlying accuracy of one's data will lead to increased precision and confidence in the scientific conclusions drawn from them.

Available free services

• Address Processing
  Services for processing postal addresses including address parsing, normalization, standardization, and validation


• Geocoding
  Services for turning postal addresses into geographic coordinates including parsed, non-parsed, and batch postal address database geocoding


• Geocode Correction
  Services for correcting geographic coordinates


• Polygon Tracing
  Services for drawing and storing geographic polygons using online maps and satellite imagery


• Shortest Path
  Services for calculating the shortest path between two points including shortest network distance and shortest travel time

Usage fees and rules

Each of these services are provided free of charge to academic, non-profit, and governmental researchers and institutions. The source code for these services can be made available upon request. Please contact us for more information.