A split image where the bottom half shows the Landsat 9 image in true color and the top image shows the unsupervised classification result. Image classification is the process of using numerical...

Satellite images are important data sources for many remote sensing and GIS analyses. Today many different satellites circle the globe and collect various image types. Images from many of these...

The Geospatial Data Abstraction Library (GDAL) is the standard for managing spatial data formats. GDAL has been incorporated into many different enterprise and open source GIS projects. Because GDAL...

When working with spatial data it is common to have a file that has columns containing coordinates and attributes. Often points are represented in Excel or CSV (comma-separated values) files. To work...

Contour lines are most often used to represent topography on two-dimensional maps and figures. However, they can represent spatially changing values for any variable. Creating, styling, and labeling...

Python is a very versatile and popular cross-platform programming language that is used for many computational tasks. One thing that makes Python so versatile is that scripts can easily be run from...