How do I do that in QGIS
Resources and LinksThese Links are some of the best resources for learning QGIS
QGIS Tutorials http://qgis.spatialthoughts.com/p/resources.html
Nathan QGIS Blog http://nathanw.net/
linfiniti QGIS Manual
One of the best resources I’ve found that’s not part of QGIS project is manual.linfiniti.com
Harvard University QGIS Tutorial Page
Another Wonderful Resources is the QGIS Workshop by Harvard University
Lutra Consulting QGIS Tutorials
a UK based consulting firm Lutra Consulting QGIS Resources
Dealing with Vector Attributes
- Opening vector files
- Tutorial: Working with Attribute Table – Basic Queries
- Adding a column to an attribute table
- Deleting a column from an attribute table
- Sorting data in an attribute table
- Selecting features based on attributes
- Performing Table Joins
- Calculating field values – List of Field Calculator Functions
- Relating/Joining data files and fields
- Multi-Line Labels
- [Video] Interactive Label Placement
- Tutorial: Styling Vector Data in QGIS – Basics
- [Video] Quantum GIS Symbology and Labeling
- [Video] Quantum GIS Layer Properties
- Using Python to calculate attribute values with ‘fieldpyculator’
Dealing with Vector Geometries
- Creating new point, line and polygon layers
- [Video] Creating points from CSV: Working with Delimited Text Layer plugin
- Tutorial: Importing Spreadsheets or CSV files to QGIS
- Creating a polygon from lines
- Digitizing – [Video] Orthogonal Digitizing
- Digitizing polygons using Polygonizer plugin
- Topological editing
- Identifying intersection points
- Correcting topological errors – [Video] Vector topology cleaning with QGIS and GRASS
- Tutorial: Selecting Vector Features in QGIS
- Weeding data
- Smoothing lines
- Create contours from points
- Calculating areas, perimeters and lengths
- Table Cross-tabulation
- Specify distance buffers
- Select by proximity
- Find nearest features
- Path Optimisation
- Defining a drive-time zones
- Geocoding addresses – [Video] Geocoding & Reverse Geocoding plus Google Maps
- How to generate contours using point data in Quantum GIS
Dealing with Rasters
- Opening raster files
- [Video] Georeferencing and Vectorization
- Tutorial: Georeferencing Topo Sheets, Topo Maps, Satellite Image or Scanned Maps in QGIS
- Tutorial: Advanced Georeferencing in QGIS using a Reference Layer
- Tutorial: Working with Rasters in QGIS – Mosaicing and Subseting
- Tutorial: Basic Raster Analysis and Styling in QGIS
- Tutorial: Digitizing Map Data
- Geocoding maps from articles
- Masking rasters
- Resampling raster files
- Changing raster values by area
- Changing raster values by geographic feature
- Create contours from rasters
- One Raster Manipulation
- Two Raster Manipulation
- Raster Neighbourhood fuctions
- How to generate contours using raster data in Quantum GIS
- Tutorial: Making Heatmaps using QGIS
- How to sample raster datasets using points in Quantum GIS
- Masking a Raster in QGIS
- Single Band Raster Layer Symbology in QGIS
- Raster georeferencing
- Tutorial: Region Growing of Raster Pixels
- Counting Number of Vertices in a Layer
Other
- Opening non-spatial files
- Creating geo-referenced photos for display in QGIS
- Using QGIS Plugins
- Tutorial: Using Plugins in Quantum GIS
- Tutorial: Setting Up A Working GRASS Environment in QGIS
- Tutorial: Using the Quantum GIS Browser
- Using Online Data via WMS in Quantum GIS
- Working with your PostGIS Layers
- Google Maps, Bing, Yahoo or Open Street Map as a background
- Connect to a Bluetooth GPS for live tracking – Windows
- [Video] Tutorial: Land Cover Classification of Cropland
- [Video] Tutorial: Estimation of Land Surface Temperature with Landsat Thermal Infrared Band
- Batch Processing using Processing Framework