Aloha from Hawaii. I am on vacation this week.
August is upon us, so it's time for another Autodesk Developer Network Plugin of the Month. This month's plugin is Wall Opening Area for Autodesk Revit. You can download this plugin, including its source code, from the Autodesk Labs web site.
Kean Walmsley included this note from Augusto Goncalves - the plugin's author.
In the process of cost estimation, the areas of walls are used to contract external firms to build them. For many companies in many countries, like Brazil and Germany, the wall area used on contracts do not consider openings smaller than 2 square meters (approximately 21.5 square feet), mainly because the extra work required to build the opening is paid by the extra money that came from the material/work not used.
With this in mind, this plug-in of the month calculates the area of openings on a wall and sums these areas into two custom shared parameters of the wall:
- Opening Area Smaller Max - Sum all area values smaller than a specific value (e.g. 2 square meters)
- Opening Area - Sum all opening areas (including the above)
Therefore, for cost estimation, the area used is the ‘Area’ built-in parameter calculated by Revit, which is actually the net area, plus the ‘Opening Area Smaller Max’ custom parameter calculated by this plug-in.
As always, we would love for you to try it, and let us know what you think at email@example.com.
Finding an opening is alive in the lab.