Demo 8 - Adding Fields and Editing Feature Attributes with the Field Calculator
This QGIS tutorial introduces the Field Calculator, used to add or update fields within the attribute table and edit features. Like the Select by Expression tool, it uses expression syntax. Follow along as we use these tools in conjunction to select and edit large selections of features. Specifically, we’ll cover syntax for adding geometric measures such as area, length and XY coordinates, as well as creating and editing feature attributes in numeric and text fields – by adding a Class field and updating the speed_rest field (speed limits) in the CPRoads layer. Build upon the foundational skills for writing expressions covered in the previous demo – using these procedures to isolate and populate feature attributes in these fields. Ensure you apply the remaining expressions and save the edits (shown at the end of the video and below) to the CPRoads layer, for use in later tutorials (Demos #10 and 23-25). Extend these skills to add, edit and update fields and feature attributes in layers relevant to your own areas of work and expertise.
Stay tuned for the next tutorial, where we’ll introduce principles, procedures and styles for symbolizing vector layers and their applications to different field types.
If you enjoyed the video be sure to Like and Subscribe to get notified when new videos are released. Follow us on our home page or on social media to check out other fantastic resources, datasets and products released by Statistics Canada every day.
Want to see more videos? Leave us a comment if you have suggestions for datasets, GIS topics and tools, or other Statistics Canada content you’d like to learn more about.
Watch video Demo 8 - Adding Fields and Editing Feature Attributes with the Field Calculator online without registration, duration hours minute second in high quality. This video was added by user Statistics Canada 23 September 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 4,92 once and liked it 3 people.