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Using thematic maps, we can display the value of a specific property for all elements on the network map. The same applies to simulation results, where the results panel can be used to select the variable to be displayed on the map. Finally, the element explorer shows the values of all properties for a selected element, including the simulation results for that element.
However, if we wish to know which elements meet a specific criterion or condition, we would be forced to check them all visually. The Property Queries tool allows us to display precisely those elements that meet one or more criteria.
The new option in the Queries menu opens a new window in the right-hand side panel of the map, which remains open until the user closes it, allowing you to switch between queries and any other action.
Firstly, you must select the type of element to search for. In addition to basic elements, multiple loads, sources and DT elements, if there are simulation results available, Nodes and Lines are also displayed so that these results can be viewed globally. Next, you must select the property to view, which depends on the type of element chosen. If it is a Node or Line, all calculated variables will be displayed; if it is a network element, all its physical properties plus the calculated variables will be shown, where applicable. These properties also include the ID, label and description.
Next, you must specify the condition to be met, which depends on whether the property is numerical or text-based, and finally the threshold value to be compared. If the property is text-based, filters can be used, or it can be selected from a drop-down menu if it is a list.
When the query is run, the elements that meet the condition will be highlighted on the map; at the bottom of the window, the number of elements meeting the condition will be displayed, along with statistics for those elements if the variable is numerical. The statistics can be based on the property being searched for or on any other numerical property of that type of element, and the results can be exported to a CSV file.
The tool is more comprehensive, as it allows you to combine multiple criteria using different properties of the same element. In this case, the window expands to allow you to edit these criteria, which can be saved for later use. The logic for applying them follows the order in which they are declared, adding or removing elements based on those currently selected. When applying multiple criteria, the window also expands to show the elements and statistics that meet each criterion individually, and finally all of them together.
If the property being searched for is a dynamic property derived from the simulation results, the time to which it corresponds is shown at the top of the statistics, so that the selected elements will be updated as you navigate through time.
This tool is very comprehensive, and to learn more about all its features in detail, we recommend visiting the relevant tutorial once it has been produced.