Key Data Type Considerations When Using the Loft Command in Grasshopper

BIM Software Tip: Important Considerations for Data Types When Using the Loft Command in Grasshopper (GH)

For many beginners, handling data structures in GH can be challenging. If data structures are not managed carefully, errors may occur during program execution. It is crucial to ensure that when two sets of data are related, their data structures must match. Additionally, attention must be given when some data within the same group are connected.

Let’s illustrate this with a common example using the LOFT command. When executing LOFT, the data must be flattened for the operation to succeed:

First, we create an array of circles.

Next, applying the LOFT command works as expected.

However, if we convert the data into a tree structure, the LOFT operation will fail to generate a result.

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