by Gelogia Team | Apr 24, 2025 | Geology
Bangladesh, a South-East Asian country, is located at the lowermost reaches of the Bengal Basin. The Quaternary sediments (began about 2 million years ago and extend to the present), deposited mainly by the mighty rivers—the Ganges, Brahmaputra, and Meghna—cover about...
by Gelogia Team | Apr 23, 2025 | Physical Geology
Thematic maps present geographic data through visual techniques, allowing patterns, distributions, and relationships to emerge clearly. They effectively communicate complex spatial information using color, symbols, and density representations. Types of Thematic Maps:...
by Gelogia Team | Apr 21, 2025 | Physical Geology
Thematic maps are especially designed to show a particular theme connected with a specific geographic area. They can portray physical, social, political, cultural, economic, sociological, agricultural, or any other aspect of a city, state, region, nation, or...
by Gelogia Team | Apr 20, 2025 | Physical Geology
In ArcGIS, data frames and layers are essential for organizing and displaying map data. They help manage how geographic information is viewed, styled, and analyzed on a map. Data Frames: In ArcGIS Desktop, data frames are an element of the ArcMap user interface that...
by Gelogia Team | Apr 19, 2025 | Physical Geology
Topology defines the process to describe and maintain the spatial relationships of map features. Function of topology: It allows the function on the basis of the following aspects: Adjacency Coincidence Connectivity Containment and others A GIS topology is a set of...
