Open BIM Quantities

In version 2025.b, the “Sets of measurement rules” window includes a new option when using the ”Assign all” feature for a “Cost database”.

Users can now indicate whether they want to assign the cost database work section codes to the concepts of the rules of measurement.

When clicking the “Assign all” button, a window with the “Assign work section code” option appears. If this option is unchecked, the original work section codes from the set of measurement rules will be retained instead of assigning the new codes from the cost database.

This tool increases flexibility and control over the organisation and structure of work sections in projects, allowing users to maintain their own coding or adopt the cost database's coding according to their needs.

As of version 2025.b, Open BIM Quantities includes an automatic check of the syntax of the formulas used in the definition of the "Items" of a "Rule of measurement".

This check is carried out both in the configuration window of a "Set of measurement rules" and in the "Entities" tree of the "Quantities of the BIM model" tab.

If a problem is detected in the syntax of a formula, the application displays a warning detailing the type of error.

This feature helps to quickly identify and correct errors in formulas, ensuring accuracy and consistency in BIM model quantity calculations.

The “exists” condition has been added to the “Selection” setting of a “Rule of measurement”. By using this condition, only the “Parameter” is checked to ensure that it exists in the BIM model, without checking the content of the field.

Unlike the other available conditions, there is no need to indicate an associated “Value” when selecting “exists”.

As of version 2025.b, Open BIM Quantities can use variables in the “References” of the items, in a similar way to other fields such as the “Detail line“ and “Tags“.

When changing the reference of the items, it is important to note that the codes must also be different.

Open BIM Quantities will automatically manage this when using “Update the quantities“ in the “Bill of quantities“ tab. The ‘Code’ indicated for the “Item“ in the “Rule of measurement“ will be used as the base code, adding a suffix for each different reference.

• Detail all values. This option adds a row for each element that meets the conditions defined in the ‘Selection’. This is the default value and the behaviour that columns had in previous versions.
  
  
• Group. Groups the elements that have the same value for that column in a row.
  
  
• Match to minimum value. Obtains the minimum value of the parameter associated with the column for each of the selected elements in the row.
  
  
• Match to maximum value. Obtains the maximum value of the parameter associated with the column for each of the selected elements in the row.
  
  
• Calculate the total value. Adds the values of the parameter associated with the column for each of the selected elements in the row.