How do I extract surface normals (facade) at each pixel from google maps street view api?

Question

In this google lat-long blog post ( http://google-latlong.blogspot.com/2009/06/introducing-smart-navigation-in-street.html ) they describe how they estimate the surface normal or facade orientation using 3D point clouds. Is there a way to extract/retrieve the surface normal at each pixel using the google street view api?