Raster vs Vector: Understanding Geospatial Data Representation
Geographic Information Systems (GIS) are powerful tools for spatial analysis, utilizing two primary data representations: raster and vector formats. Understanding […]
raster
Download High-Resolution Satellite Images for Free with QGIS
Thanks to XYZ Tiles, it’s possible to download high-resolution satellite images. Here’s a step-by-step guide on how to do it:
Merge raster layers in QGIS
When working with raster layers in QGIS, it may be necessary to combine multiple layers into one. The following steps
The minimum mappable area
“The minimum mappable area” refers to the smallest surface that can be accurately represented on a map. This depends on
Pixel Depth in Raster Images
Pixel depth, also known as color depth, refers to the number of bits used to represent the color of a
Vector Raster Representation Models
The vector and raster storage models are two of the most commonly used storage models in Geographic Information Systems (GIS).
Adding satellite imagery in QGIS
In QGIS 3 by means of the XYZ Tiles we can add different data sources to our workspace, and the
“Increasing” the resolution of a raster using Downscaling in QGIS
Geographically Weighted Regression (GWR) is an interesting method with many applications. GWR is different from other techniques because it allows
Download for free Digital Elevation Model (DEM) of 12 metres resolution
A fairly common problem is usually the access to spatial information, in this case Digital Elevation Models (DEM) are not
Automatically delineate a watershed in ArcGIS Pro
A watershed is an area where water that falls or flows across the surface of the land drains into a
11. GIS Book: Frequently asked questions
Which zone do I select if my study area shares two UTM zones? What you usually do in this case