Deduce Technologies Geographic Information Systems/GIS Interview Questions and Answers

TIN stands for Triangulated Irregular Network. It is a digital surface model that represents terrain as a set of contiguous, non-overlapping triangles.

• TIN is a type of GIS data structure used to represent terrain surfaces.

• It is created by connecting a set of irregularly spaced points with a series of triangles.

• TIN is useful for analyzing terrain and creating 3D visualizations.

• It can be used in various applications such...read more

GIS is a system designed to capture, store, manipulate, analyze, manage, and present spatial or geographic data.

• GIS stands for Geographic Information System

• It is used to analyze and manage spatial data

• GIS can be used in various fields such as urban planning, environmental management, and emergency response

• Examples of GIS software include ArcGIS, QGIS, and Google Earth

• GIS data can be represented in various forms such as

Vector data uses points, lines, and polygons to represent features, while raster data uses a grid of cells to represent data.

• Vector data is used for representing discrete features such as roads, buildings, and rivers.

• Raster data is used for representing continuous data such as elevation, temperature, and precipitation.

• Vector data is more precise and accurate, while raster data is more efficient for large areas.

• Examples...read more