Attribute Table

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Each vector layer consists of geometric features (points, lines or polygons) and an attribute table. The attribute table contains information on each feature in the layer. The information is stored in rows and columns in the attribute table. Each row in the table represents a feature, while columns store attributes of that feature. You can use the attribute table to search, sort, filter, edit and select data.

Fig. 34 Vector Data overview. Source: HeiGIT

Opening the attribute table

Having a look into the attribute table is essential to understand and get an overview of the data you are working with. You can open the attribute table in two ways.

1. Right click on a layer in the Layers panel and select Open Attribute Table

2. Select a layer in the Layers panel and click on the attribute table symbol in the toolbar.

Fig. 35 Screenshot of Opening the Attribute Table with right click

Note

If you have multiple layers, only the attribute table of the layer currently selected in the layer panel will open.

Fig. 36 Screenshot of Opening the Attribute Table

Buttons of Attribute Table

Icon	Description	Purpose	Shortcut
	Toggle editing mode	Enable editing functionalities	Ctrl+E
	Toggle multi-edit mode	Update multiple fields of many features
	Save edits	Save current modifications
	Reload the table
	Add feature	Add new geometryless feature
	Delete selected features	Remove selected features from the layer
	Cut selected features to clipboard		Ctrl+X
	Copy selected features to clipboard		Ctrl+C
	Paste features from clipboard	Insert new features from copied ones	Ctrl+V
	Select features using an Expression
	Select All	Select all features in the layer	Ctrl+A
	Invert selection	Invert the current selection in the layer	Ctrl+R
	Deselect all	Deselect all features in the current layer	Ctrl+Shift+A
	Filter/Select features using form		Ctrl+F
	Move selected to top	Move selected rows to the top of the table
	Pan map to the selected rows		Ctrl+P
	Zoom map to the selected rows		Ctrl+J
	New field	Add a new field to the data source	Ctrl+W
	Delete field	Remove a field from the data source
	Organize columns	Show/hide fields from the attribute table
	Open field calculator	Update field for many features in a row	Ctrl+I
	Conditional formatting	Enable table formatting
	Dock attribute table	Allows to dock/undock the attribute table
	Actions	Lists the actions related to the layer

Sort the attribute table

You can sort data in the attribute table by clicking on a column header. Text data will be sorted alphabetically and numeric data will be sorted by value. To reverse the sort order, click the header again. A small arrow in the column header indicates whether it is sorted in ascending or descending order.

Fig. 37 Attribute table sorted ascendingly.

Fig. 38 Attribute table sorted descendingly.

Zoom in on a specific feature via attribute table

You can zoom in on a specific feature if you need to locate it geographically or you want to get a closer look:

1. Zoom: Right click on a feature –> Zoom To Feature

2. Close your attribute table. The map canvas will now show the selected feature.

Video: Zoom in on a feature

Manually select features in the attribute table

To interact with features in a layer you have to select these features. One way to select features is via the attribute table.

• Select: Click on the lines of the features.

• Multi Select: To select multiple features press Ctrl and select features.

• Show only selected features: In the bottom left of the attribute table open the dropdown menu and select Show selected features. To show again all features click on Show all features.

• Only show unselected features: Select features and click on

Video: Manually select features in the attribute table

Zoom to selected area

Now that you know how to select features, you can zoom onto your area of interest. To do so you can click on the symbol on the toolbar or right click on the layer and select Zoom to Selection

Fig. 39 Screenshot of how to zoom to Selection on the top.

Fig. 40 Screenshot of how to zoom to Selection by clicking right.

Save only selected features as a new file

After you have selected your data, you might want to proceed with only the selection. You can save your selection as new layer. To do so right click on the layer - Export -> Save only selected features

You can then choose the format, layer name and CRS.

Tip

We recommend use GeoPackage (.gpkg) instead of shapefile (.shp) in most cases. If you are unsure which format is most appropriate, check out the geodata types page on the wiki.

Fig. 41 Screenshot of how to save only selected features.