Learn about common data structures in GIS, such as vector and raster data, spatial indexes, and data formats. Find out how to choose the best one for your GIS algorithm.

Metafile formats are a hybrid of bitmap and vector formats. They store images as a combination of both pixel data and vector data, allowing for more flexibility and compatibility. The most common ...

Vector data: includes .shp (Shapefile) and .gpkg (GeoPackage) formats. These data are mainly used to store geographic spatial information, such as locations, routes, etc. Raster data: '.tiff' format.

On the other hand, the SVG format converts images to numbers when storing them. The advantage of vector data is that even if an image is enlarged, the image quality will not deteriorate, and the data ...

This paper presents a new efficient data structure, called “a BPA (Bitmap-Prefix-tree Array)” for discovering frequent closed itemset in large transaction database. Recently, most studies have been ...

On the other hand, a raster image is a broader term that encompasses any digital image that is made up of a grid of pixels. This includes bitmap images, as well as other types of images that might use ...