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.
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