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« Point Cloud Processing
« Spatial Data Management
« Geospatial Application Development
« Modeling & Analysis-2D, 3D
« Legacy Data Conversion
Photogrammetric Analysis
« Orthophoto Rectification
« Image Classification & Analysis

3D city modelling

A click of a mouse and a virtual city complete with all features rafts in to the screen. The imagination of fiction writers is now a reality and we at Stesalit have been in the forefront of creating virtual 3D city models world over.
3D City Modeling integrates geo-referenced imagery with GIS data into a virtual environment. By providing an accurate, photo-realistic 3D model of any location, City Models are a very powerful tool for city planning, tourism, real estate, and security.


Stesalit uses specialized software and experienced personnel who understands the technology and realizes the importance of each minute data to be captured and represented.On a standard procedure a wireframe is extracted out of the existing structures. Digital imagery, in the form of orthophotos, is then draped over this wireframe, creating a 3D environment. Even greater detail is achieved by applying textures to the sides of structures. These textures are created from additional digital imagery. The environment is finally converted in to an intelligent system by linking to a GIS database, allowing the viewer to access a wealth of information.

Laser data has also been utilized in selected projects with following flow

3D Modelling Methodology

The 3d Modelling team at Stesalit also renders automatic and semi-automatic 3D environment reconstruction for various industries, like
  • Power line designing,
  • Pipeline designing,
  • Transportation planning
  • Cultural relic protection

Powerful 3D spatial analysis on

  • flood prediction
  • Cut-fill
  • Light simulation
  • Measurement tools
  • Terrain analysis

Copyrightę2008 Stesalit. All rights reserved