City of Sydney model

Recently I was charged with setting up a digital City of Sydney model acquired from AAM. This was a steep learning curve into GIS and large data sets. I thought I would share with you some of my findings if ever you are in a similar position.

 

 

Introduction

AAM is a Geospatial Services company specialising in the collection, analysis, presentation and delivery of geospatial information. AAM currently provides the City of Sydney with 3D GIS data, including the City Model that is received if preparing Development Applications. The model’s extents is that of the Sydney Local Government area, which stretches from Moore Park to Glebe, and the CBD to Mascot. Therefore, it does not include the entire metropolitan area.

 

Depending on your licencing agreement, there are several models on offer including:

• Untextured building model LOD1 (2013);
• Textured or Untextured building model LOD3 (2013); and
• Textured terrain mesh (2008-2013).

 

The building models are supplied in both mesh…