Intergraph offers image processing and feature collection extensions that expand the core capabilities of the ArcGIS platform. These extensions include:
Stereo Analyst for ArcGIS: Create and maintain comprehensive databases of feature data using stereo visualization, which lets you distinguish the features in your imagery faster and more easily , and increases the accuracy of the features that you collect.
Intergraph provides two add-ons for Stereo Analyst for ArcGIS:
ERDAS Terrain Editor for ArcGIS: Update Geodatabase Terrain datasets.
FeatureAssist for ArcGIS: Collect roof structures in the ESRI Multipatch format.
ECW for ArcGIS Server: Use ArcGIS for Server to deliver enhanced compression wavelet (ECW) data to clients via OGC-compliant Web Coverage Services (WCS) and Web Map Services (WMS).