Dynamic Blocks

Dynamic Blocks

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Registered: ‎04-13-2010
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Stretching multiple lines by a different amount that will vary...?

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10-18-2012 07:01 AM

I've a problem I can't figure out.

 

I'm looking at a block which has multiple visibility states, 2 of which show a beam as a side elevation, where the beam can be stretched to give a length. This works well.

 

But I'd like to be able to have the beam stretching so the bottom flange of the beam can stretch relative to the top to give an angle to the beam end, and also have the lines representing the flanges (whose position will vary depending on the steel size) can also be stretched to give a neat cutoff.

 

Stretching the bottom of the bottom flange is easy, but I can't figure out how to stretch the inner lines? They would have to be moved a proportion of the distance which will vary between beam sizes/flange thicknesses, so putting in a fixed multiplication factor won't work. The mathematics to set a multiplication factor based on othere lements of the dynamic block is easy, but is it possible to have such implemented on a varying basis?

 

Elevation showing what I want to do, and the block itself attached.

Distinguished Contributor
113 Posts
10 Kudos
Registered: ‎04-13-2010
Post 2 of 2

Re: Stretching multiple lines by a different amount that will vary...?

10-18-2012 07:58 AM in reply to: ChuckEdwards

From a bit of digging I assume this can be done in full Autocad 2010 using the Parameters manager, which allows expressions to be introduced, but not in Autocad LT 2010 where no such feature exists?

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