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In today's world, GIS gives you the power to relate and integrate various other systems and provide you with robust decision making systems. Professionals who depend on a GIS system to make important business decisions need a full-service, experienced source to help manage this sophisticated and indispensable tool. That is exactly where we come in with our start-to-end full-service life cycle project support on your GIS projects through requirements analysis, data conversion, base map creation, database designing, data modeling & analysis, and customized application development.

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

Digital orthophotos are proving suitable for a variety of mapping, GIS and environmental monitoring tasks. Increased demand is sparked by the availability of hardware and software suitable for use in a desktop mapping environment. The transition to softcopy photogrammetry has resulted in photogrammetric operations becoming an integral part of geographic information system (GIS) database construction tasks. In particular, digital orthophotos are now recognized as valuable "base map" coverages that can be used to identify ground control, update existing coverages for land use/cover and transportation routes and assess changes in the landscape caused by construction or environmental phenomena.

Orthophoto Production Methodology
Orthophoto production concerns the process of transforming the central projection of the terrain as recorded in aerial photos in to a digital geo-referenced image (orthophoto) with the same geometric attributes as a map. This transformation from a central projection in to an orthogonal projection requires a Digital Terrain Model(DTM) with sufficient density and accuracy.
Our Expertise in Orthophotos
Stesalit maintains a dedicated team conversant with global projects and practices in Orthophoto production and orthorectification.

Each project follows the critical pathway of
Delivery
Orthophotos are usually delivered as individual orthophoto map-sheets with the georeferencing information in either the image file header or in a sister text file.

Depending on size of the total project area and the specified orthophoto ground resolution, sophisticated compression formats such as ECW and MrSID often make it possible to deliver large project areas in one single image file.

The delivery to clients is usually made on DVD/CD or external hard drives from our Global Delivery Center at India.
Copyrightę2008 Stesalit. All rights reserved