Learn QGIS From the ZERO

Learn how to add current GIS data in QGIS, including vector shapefiles and a Landsat eight composite image, and manage layer order for points, lines, and polygons.

Learn how to create temporary and permanent scratch layers for points, lines, and polygons in QGIS, add id fields, toggle editing, and save or export them.

Add online base maps in QGIS by creating new connections to XYZ tile services, such as Google Maps and OpenStreetMap, and using X, Y, Z tile coordinates.

Learn to download basemap plugins, install quick map services, and add base maps from OpenStreetMap, Google Maps, and National Geographic, then view waterways and topographic details and manage XYZ tiles.

Create a geopackage database and add vector layers for digitizing on an OpenStreetMap basemap, including district, buildings, and roads, with fields and snapping to support accurate digitization.

Georeference a scanned raster in Qgis by setting x and y coordinates to a target coordinate system, applying a linear transformation, adding a base map, and saving the georeferenced raster.

Create shapefiles for parcels, roads, buildings, and electrical points, set geometry types and fields, then digitize features, toggle editing, and save while referencing a Google satellite image.

Learn how to save your QGIS project file, use save or save as, specify a folder and title, and confirm the QGIS file extension.

Learn to convert between vector and raster in QGIS using the processing toolbox, applying vector to raster and raster to vector workflows, and burn population 2010 values.

Select features by area, rectangle, polygon, freehand, or radius in QGIS and inspect the attribute table to verify selections. Export the selected features as a shapefile to an output folder.

Join data connection to shapefile in QGIS by linking a CSV or text file to a state shapefile through a common field, updating the attribute table with the joined data.

Master selecting features and filtering data in QGIS using expressions, with practical examples on state names, populations, and operators to build precise queries.

Master the select by location tool in QGIS to perform spatial analyses, identifying rivers, motorways, and forests within a boundary through intersect, overlap, and contain operations.

Learn to calculate polygon areas in QGIS by projecting data to a suitable coordinate system, then compute area in square meters and convert to hectares using a field calculator.

Learn to calculate line length in qgis using the field calculator on a projected coordinate system with openstreetmap road data, converting geographic to projected coordinates and obtaining measurements in meters.

Learn to calculate point coordinates in QGIS using the field calculator to derive X and Y from geometry in a projected system (UTM 44N 1984), then save and label coordinates.

Learn how to use geoprocessing tools in vector processing to merge layers, buffer features, clip and dissolve during spatial analysis, and respect projected coordinate system when measuring distances.

Learn to use geometry tools in QGIS, creating sketch and polygon layers, enabling snapping, generating centroids, converting lines to polygons, densifying vertices, and producing Voronoi and Delaunay geometries.

Create a scratch polygon layer and edit geometry in QGIS using tools to move, rotate, scale, split, merge, trim, extend, fill, and buffer (offset curve) features.

Learn to import x and y data from a csv delimited text file into QGIS, assign the coordinate system, use longitude as x and latitude as y, and export shapefile.

This lecture shows how to download a digital elevation model and boundary GIS data for any study area, using Earthdata, USGS, and free spatial data sources.

Open and merge raster data, assign the correct projection using UTM zones, and clip by boundary in QGIS, then export a geotiff with the desired CRS.

Learn to perform raster analysis in QGIS by preparing boundary rasters, setting the reference system, applying hillshade, computing slope, and customizing color ramps and transparency.

Create a map layout by adding maps, frames, labels, a legend, and a scale bar; configure fonts and grids, set the coordinate system, and export the layout as an image.