In BlueGIS software, various operations can be performed on the layer attribute table using the operations menu. The "Operations" menü can be opened with the button "Operations" under the " Attribute Table" on the Layer Box.

Step 1: Attribute Table Operations

1.1. Selection

Various options are available in the selection menu.

• Select all: All geometries are selected on the map.

• Cancel Selections: Deselects the selected geometries.

• Select Filtered: Selects filtered geometries on the table.

• Show Selected: Shows the selected geometries in the table.

• Invert Selection: Deselects the selected geometries, and selects those that are not.

1.2. Operations

In the Operations menu, deletion and display are performed.

• Delete Features: After clicking this button, deletion is performed according to the option selected in the drop-down panel. All geometries, selected geometries, filtered geometries.

• Show Features: Depending on the option selected in the panel that drop-downs, shows features on the table. All geometries, selected geometries, filtered geometries.

1.3. Export

There are five options in this menu.

• Download Geometry: Used for downloading layers in the desired format.

• Download as Excel: Download the attribute in excel format.

• Download as PDF: Download the attribute table in pdf format.

• Download as JSON: Download the attribute table in JSON format.

• Download as PDF: Download the attribute table in pdf format.

1.4. Queries

Various queries can be made on the layer data.

• Attribute Queries: It provides string queries on the columns.

• Spatial Queries: It provides spatial queries on the data.

1.5. Columns

Column settings and column calculations can be made in the Columns menu.

• Column Settings: The existing columns can be deleted from the layer or new columns can be added.

• Column Calculations: In column calculations, it can be calculated according to the data type of the selected column. Some calculations that can be made;
• Sum with a value
• Subtract with a value
• Multiply by a value
• Divide by a value
• Delete all
• Equalize to a value
• Take logarithm etc.

. The calculation results change the column on which it is processed.