Python Scripts for ArchViz

BlenderBIM updates and new features: Version v0.0.201025

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Allan Brito October 26, 2020

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A significant amount of people think about Blender as a 3D modeler and platform to render realistic images to visualize your designs. It can help a lot in this regard, but that is only part of its role in architecture. With Add-pons like BlenderBIM, you can expand Blender and include authoring and document BIM data. That opens a world of possibilities for Blender to have a full open-source workflow.

When using the BlenderBIM Add-on, you can create IFC files in compliance with ISO standards. The BlenderBIM Add-on received an update a couple of days ago, and it is now in version v0.0.201025.

Here is a list of the new features and bug fixes:

• Exporting now sets the IFC file if unset for convenience
• IFC CSV now supports modifying IFC classes
• You can now set facet tolerances when importing
• Experimental native roundtripping mode, for experimentation only, with style support
• Visit wiki link in the add-on now points to specific BlenderBIM Add-on pages
• Material property sets are now imported
• IFCClash now optimistically skips coincident collisions, resulting in less false positives
• Increased maximum contact threshold for IFC Clash allows clash detection to work for larger projects
• IFC clash now uses iterator when a filter is specified for faster clashing
• Auto-add owner histories when the user exports IFC2X3 if none is specified
• Classification trees are now stored in the Blend file, increasing the portability of project data
• 16 New IFC visual programming nodes for Sverchok, including:
  • Read IFC node
  • Create IFC node
  • Write IFC node
  • Create Entity node
  • By ID node
  • By Guid node
  • By Type node
  • By Query node
  • Select Blender Objects node
  • Create Shape node
  • IFC Add node
  • IFC Remove node
  • Generate IFC Guide node
  • Read entity node
  • Get property node
  • Get attribute node

Here are the bug fixes:

• Fix bug where spatial elements with a representation would import twice
• Fix bug where box representations don’t respect project units
• Fix IFC clash bug where spatial elements are unaffected by user filters
• Fix bug where you can’t export if classification is only applied to a type or spatial element
• Fix export bug where you can’t export if project units aren’t explicitly set

Among the highlights, we have new nodes to integrate BlenderBIM with the incredible Svershock Add-on!