Run-data in Microsoft Access format
The run-data produced by HDM-4 during an analysis is now output to a single file in Microsoft Access format. The main benefit of this change is that the use of the Access format makes it easier for end-users to access the run-data with widely available software products (such as Microsoft Access, and Microsoft Excel) and easier to share with others users.
For the purposes of users who wish to view the run-data but do not a HDM-4 licence, a free tool, HDM-4 Version 2.0 Report Viewer, will be available.
Import/Export in Microsoft Access format
The import/export data produced by HDM-4 is now stored in a single file in Microsoft Access format, and replaces the multiple *.dbf/*.hdbf files of HDM-4 Version 1.x. The main benefit of this change is that the use of the Access format makes it easier for end-users to access the data with widely available software products, and easier to share with others users.
An import wizard has been introduced that guides a user through the process of importing externally-defined data into HDM-4 version 2.0.
Previously no validation of the imported data was preformed and values that were outside the allowable range could produce numerical errors when an analysis was subsequently performed. HDM-4 version 2.0 introduces the optional validation of vehicle fleet and road network data for incorrect values as the data is being imported.
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