Hi, If I have a file with multiple blocks scaled in random factors, can I read the scaling factor somewhere? I tried _what, but I don’t know exactly how to read Transformation data, it stops making sense when I rotate the block. Thanks Jonas

Well, it has a component, yes, but that only spits out the numbers in the matrix, it does not extract the individual transforms, so, back to the drawing board. Here’s a python that maybe gets it right - give it a spin - @djnelson75 , @Jonish ExtractInstanceScaling.py (639 Bytes) -Pascal

Do I need to download some Python plugin or can it be done via C#? Thanks J

Hi J - I’m sure that py file is easy to translate to c#… it’s only a few lines. You can test using RunPythonScript or ! -RunPythonScript "Full path to py file inside double-quotes" If you need it in GH, the same code should work fine in a script component. GetBlockInstanceScaling.gh (11.6 KB) -…

[image] pascal: ExtractInstanceScaling.py (639 Bytes) Thank Pascal, I guess that solves it. I’m surprised it’s that hard to find out a block scaling factor. Cheers Jonas

The python script seems to work for backing out the scaling factor, what if you wanted to find the rotation. How would you go about finding out those values?

Hi Dennis - it’s a little more complicated but possible, I think, I just have not been able to get to it. -Pascal

[image] djnelson75: what if you wanted to find the rotation I would look into Elefront, which lets you extract block base plane. Something like… [V%C3%BDst%C5%99i%C5%BEek]

does not seem to work now [image]

FWIW, in Rhino 8, the scale of a block instance can be read and changed from the Properties panel: [image] -wim

Hello Wim, what about mirror? People sometimes mirror blocks by accident, then stuff goes to production and everyone is surprised. Being able to look for mirrored blocks using command / grasshopper nodes / side panel would be super useful. Cheers Jonas

Read inserted block scale

Rhino Rhino for Windows

brian (Brian Gillespie) February 8, 2023, 12:10am 29

RH-72549 is fixed in the latest WIP

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Read inserted block scale

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