A geographic information system (GIS) is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data. GIS applications are tools that allow users to create interactive queries (user-created searches), analyze spatial information, edit data in maps, and present the results of all these operations. GIS (more commonly GIScience) sometimes refers to geographic information science (GIScience), the science underlying geographic concepts, applications, and systems.
GIS can refer to a number of different technologies, processes, and methods. It is attached to many operations and has many applications related to engineering, planning, management, transport/logistics, insurance, telecommunications, and business.For that reason, GIS and location intelligence applications can be the foundation for many location-enabled services that rely on analysis and visualization.
It is difficult to relate wetlands maps to rainfall amounts recorded at different points such as airports, television stations, and schools. A GIS, however, can be used to depict two- and three-dimensional characteristics of the Earth’s surface, subsurface, and atmosphere from information points. For example, a GIS can quickly generate a map with isopleth or contour lines that indicate differing amounts of rainfall. Such a map can be thought of as a rainfall contour map. Many sophisticated methods can estimate the characteristics of surfaces from a limited number of point measurements. A two-dimensional contour map created from the surface modeling of rainfall point measurements may be overlaid and analyzed with any other map in a GIS covering the same area. This GIS derived map can then provide additional information – such as the viability of water power potential as a renewable energysource. Similarly, GIS can be used to compare other renewable energy resources to find the best geographic potential for a region.
Data restructuring can be performed by a GIS to convert data into different formats. For example, a GIS may be used to convert a satellite image map to a vector structure by generating lines around all cells with the same classification, while determining the cell spatial relationships, such as adjacency or inclusion.
More advanced data processing can occur with image processing, a technique developed in the late 1960s by NASA and the private sector to provide contrast enhancement, false color rendering and a variety of other techniques including use of two dimensional Fourier transforms. Since digital data is collected and stored in various ways, the two data sources may not be entirely compatible. So a GIS must be able to convert geographic data from one structure to another. In so doing, the implicit assumptions behind different ontologies and classifications require analysis. Object ontologies have gained increasing prominence as a consequence of object-oriented programming and sustained work by Barry Smith and co-workers.
Raster to Vector & Lease Plotting
Raster to Vector involves creating vectors to all the rail tracks, roads, plots, and others from the Raster images using the software tools like Raster design 2009 on Map, Autodesk Map 2009, OGINFO Map, Deed Plotter and ARCGIS. A DWG file contains roads, plots and creeks while the PDF file contains the details of Lease plots. Using these files we capture the lease plots appropriate to the clients. This is called Lease Plotting.
Trisata provides a wide range of GIS Surveying services which includes the traditional and new surveying services. Some of the services are listed below.
- Topographic Surveying
- Cadastral Surveying
- Construction layout Surveying
- Hydrographic surveys/cross sections
- Utility Surveys
- Engineering Surveys
- Geodetic control/height modernization
Work Procedures and Planning
TRISATA has well documented work procedure and well structured to deliver the quality work to the customers. Before taking up the project TRISATA will do a sample / pilot work for our new customer for understanding the needs for better and quality deliverables of output.
Our process engineers will study and understand the work and production team will produce the output then our quality assurance team will check the output before sending to the customer.
Depending upon the requirement of our clients. Normally we use FTP links to submit the deliverables it all depends on clients as per the requirements.
Yes, we provide technical support of professionals if required by our clients
Data Management & Security
TRISATA have it’s own security measurements for confidentiality of data. Based on client requirements TRISATA will sign agreement at the time of beginning of the any project. TRISATA will take whole responsibility for data security and confidentiality.
Our Quality Assurance policy
TRISATA have it’s own quality assurance team for various projects to check day to day out puts before sending to the customers. TRISATA will complete the projects within the given deadlines and customer’s satisfaction is more important.
Time frame for deliverables
We provide you expected time frame to deliver the product based on the complexity of the project. Day to day submission with best quality assurance
- On time product delivery.
- Best quality of services.
- Competitive Pricing.
- Customer satisfaction is our target.