GIS

QGIS (Quantum GIS) is a powerful open-source Geographic Information System (GIS) software that allows users to manage, analyze, and visualize spatial data. One common task in GIS analysis is subtracting one polygon from another, also known as polygon difference operation. This process is essential when you need to remove overlapping areas, define boundaries, or create … Read more

QGIS (Quantum GIS) is a powerful open-source GIS software that allows users to process spatial data, including raster and vector datasets. One common raster operation is subtracting one raster from another, which is useful for various applications such as environmental change detection, elevation analysis, and climate modeling. This guide will provide a detailed step-by-step tutorial … Read more