Revit Tutorial: Automate Wall Openings Percentage with Dynamo 

Code requirements often ask architects to calculate the percentage of non-protected openings for each façade.
Instead of manually calculating this value, you can use Dynamo to automate the entire process. The strategy is to use a generic annotation family as a placeholder.
🕮 Read the blog post about this: revitpure.com/blog/10-steps-t...
🦑 Get this entire workflow in the MANAGE package: revitpure.com/manage
Timestamps:
0:00 - Intro & script demo
0:57 - 🦑 Download this workflow
1:39 - Create a generic annotation family placeholder
3:37 - Place labels
5:22 - Create a formula & percentage
6:31 - Load the family, place instances
8:25 - Assign building side parameters to walls, doors and windows
9:45 - Create not block schedule
11:30 - Create "red" conditional formatting
14:12 - Overview of the Dynamo script
15:27 - Running the script
16:37 - Warning: not automatically updated!!
16:55 - MANAGE