Difference between revisions of "BlenderBIM Add-on/BlenderBIM Add-on FAQ"
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This page contains FAQ's mainly gathered and referred to [https://community.osarch.org/ Forum] | This page contains FAQ's mainly gathered and referred to [https://community.osarch.org/ Forum] | ||
= IFC = | = IFC = | ||
| + | === collection instances [https://community.osarch.org/discussion/345/random-blenderbim-questions-troubleshooting Forum Link] === | ||
| + | I've come to find collection instances to be really handy in organizing my work, so that for repetitive objects or groups of objects, I only need to edit the main object and the changes get propagated to all the instances. However collections instances don't show up when the file is exported to ifc. How can collection instances be made to appear in ifc exports without making the instances real, while also preserving object hierarchies? | ||
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| + | '''a Use Aggregates''' | ||
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| + | The correct technique is to use IFC aggregations. You can find the ability to create aggregations from the scene properties. It effectively creates a collection instance, and lets you retain the class hierarchy underneath it. [https://community.osarch.org/profile/Moult Dion] | ||
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| + | [[File:At2 Fixme.gif]]There is a page started on [[IFC_aggregates]], which needs improving. | ||
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=== Must an IFC file contain Geometry ? [https://community.osarch.org/discussion/comment/5567#Comment_5567 Forum Link] === | === Must an IFC file contain Geometry ? [https://community.osarch.org/discussion/comment/5567#Comment_5567 Forum Link] === | ||
Revision as of 12:57, 25 February 2021
This page contains FAQ's mainly gathered and referred to Forum
IFC
collection instances Forum Link
I've come to find collection instances to be really handy in organizing my work, so that for repetitive objects or groups of objects, I only need to edit the main object and the changes get propagated to all the instances. However collections instances don't show up when the file is exported to ifc. How can collection instances be made to appear in ifc exports without making the instances real, while also preserving object hierarchies?
a Use Aggregates
The correct technique is to use IFC aggregations. You can find the ability to create aggregations from the scene properties. It effectively creates a collection instance, and lets you retain the class hierarchy underneath it. Dion
There is a page started on IFC_aggregates, which needs improving.
Must an IFC file contain Geometry ? Forum Link
a No
More elaborate answers here, by Dion
BlenderBIM Search for class or property ?
- How Do I select all IfcDoor or IfcWindow etc?
- How Do I select all object with "Beton" in the object name?
- How Do I select all object with "Beton" in the type?
The search panel gives you what you're after.
To find those of the type "Beton", go to an object of a type you want to select, then in the object properties this button will select all of that type:
