BIM – Page 3 – 12D Wiki Beta Test

IFC Writer Global ID and GUID

When 12d exports an IFC file each object is given a unique GUID. If you export the same data again, the new IFC is created at a different point in time so each object is given a new and unique GUID. This can create problems for other software, such as Navisworks, as the GUID is [...]

Attribute Manipulator – Copy Segment & Vertex Attributes to String Attributes

The workflow below describes how to use the Attribute Manipulator to copy Segment and Vertex Attributes to String Attributes. This is useful when data needs to be exported to software that only allows String Attributes (Meta Data). To create an Attribute Manipulator file, refer to: 12dwiki.epicsites.com.au/attribute-manipulator In the Attribute to Use, set the Rule type: [...]

Attribute Manipulator – Concatenate Attributes

Major projects tend to favour long string/object names that define things like type, location, discipline, stage, etc. Normally this information would be stored as attributes (metadata) on the object. The 'Attribute Manipulator' (AttMF) allows users to concatenate these attributes into single value. Concatenating allows complex, project specific, string names to be built up from existing [...]

Attribute Manipulator – Calculate Values

Apart from moving, copying, renaming, and a dozen other operations related to attributes, the Attribute Manipulator can also perform simple calculations. In 12d we can easily get the length of a string, and we know what the cross-sectional area of a kerb is, so we can grab a calculator and calculate the volume. If we [...]

Attribute Manipulator and IFC Property Sets

When writing an IFC file, 12d exports Attribute Groups using the tags IFCCOMPLEXPROPERTY and IFCPROPERTYSINGLEVALUE. Depending on the receiving software, these attributes will be flattened into a single level attribute or ignored completely. This is where exporting 12d Attribute Groups as IFC Property Sets can help. To create an Attribute Manipulator file, refer to: 12dwiki.epicsites.com.au/attribute-manipulator [...]

Split Trimesh by Vertical Plane

BIM=>Trimesh=>Split Cut=>Split by vertical plane Split a trimesh along a vertical plane. Origin: Location to split trimesh Angle: Measured from Origin, counter-clockwise from North (0°) Width: Measured perpendicular, normal to the trimesh at the Origin Height: Measured parallel, normal to the trimesh at the Origin The width and height define a bounding box to test [...]

Trimesh BIM Objects Apply

Once you've created your BIM Objects, they need to be applied. This is done using the Trimesh BIM Objects apply tool. To create a BIM Objects file, see here: 12dwiki.epicsites.com.au/trimesh-bim-objects-create BIM=>Trimesh=>Create=>Trimesh BIM Objects Apply Parameter File: Saves the panel layout, so that objects can be easily re-applied Data Source: Data (strings/points) to apply objects to [...]

Trimesh BIM Objects Create

Easily create objects such as fences, guard rails, bus shelters, bridges, etc. Or copy and edit any of the supplied objects. To apply the BIM Objects, see here: 12dwiki.epicsites.com.au/trimesh-bim-objects-apply BIM=>Trimesh=>Create=>Trimesh BIM Objects Create/Edit Before you can create new objects, you need to create an editable file in the Working Folder. This can be done by [...]

Trimesh BIM Objects Create from 12da

3D Objects exported as a 12da file can be inserted along at string at each vertex. BIM=>Trimesh=>Create=>Trimesh BIM Objects Create/Edit If you don't already have an editable file in the Working Folder, please see here: 12dwiki.epicsites.com.au/trimesh-bim-objects-create/ Then create a new Type; Make sure to select Location: Working Folder Then create a new Vertex-Segment Type On [...]

Trimesh BIM Objects Create from Path

As we've seen, simple objects such as service trenches and fences can be quickly created. But what if you have something more complex, such as a guard rail. BIM=>Trimesh=>Create=>Trimesh BIM Objects Create/Edit If you don't already have an editable file in the Working Folder, please see here: 12dwiki.epicsites.com.au/trimesh-bim-objects-create/ Abbreviations The following abbreviations will be used [...]