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algorithmic modeling for Rhino

Eric Jolley
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  • Seattle, WA
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How to compare and select objects
10 Replies

Hi, the image represents areas of a number of split surfaces.  How can I select the larger of each set for deleting?  I'm confused about whether I use the List components or Tree components to access…Continue

Started this discussion. Last reply by Eric Jolley Apr 2, 2013.

Best way to trim multiple surfaces with solid
10 Replies

Hi,I have a large number of surfaces I want to trim or split with a solid. I'm currently using BBX to get the intersections, which seems to work fine, but then if I try to split the surfaces with…Continue

Started this discussion. Last reply by Eric Jolley Apr 1, 2013.

offset surface multiple
2 Replies

Hi,Is there a method to offset a single surface at multiple distances, or offset multiple duplicate surfaces at different distances? Do I need a VB conditional loop to accomplish this?  I didn't see…Continue

Started this discussion. Last reply by Eric Jolley Mar 30, 2013.

AMoments combined?
5 Replies

Hi,Is it still the case that the AMoments component gives area properties for each input and cannot output combined properties of multiple regions like Rhino's AreaMoments command allows?The last…Continue

Started this discussion. Last reply by Eric Jolley Mar 13, 2013.

 

Eric Jolley's Page

Latest Activity

Eric Jolley replied to Eric Jolley's discussion How to compare and select objects
"Hannes, That works beautifully.  Thanks for taking the time with a newbie. Eric"
Apr 2, 2013
Eric Jolley replied to Eric Jolley's discussion How to compare and select objects
"Wow!  I had no idea..."
Apr 2, 2013
Hannes Löschke replied to Eric Jolley's discussion How to compare and select objects
"btw: You can doubleclick on the canvas and just type to find a component by name. This won't work for if the component isn't called as you'd expect of course ;)"
Apr 2, 2013
Hannes Löschke replied to Eric Jolley's discussion How to compare and select objects
"Sorry for confusing you. The component I was referring to is CullIndex. The result of the comparison is just a boolean value that says "true" if A is larger than B and "false" otherwise. Those values convert to 1 and 0 as…"
Apr 2, 2013
Eric Jolley replied to Eric Jolley's discussion How to compare and select objects
"My apologies if I'm being a pest.  This is what I've got now.  But I can't just delete the results of the Larger Than right? That's just a list of areas, not pointers to the objects themselves. How do I relate…"
Apr 2, 2013
Eric Jolley replied to Eric Jolley's discussion How to compare and select objects
"ListItem was the hint I needed.   I can't find a DeletItem component.  This is the biggest difficulty I find using GH. If I know a component exists but don't know exactly what it is called or where to find it in the palettes,…"
Apr 2, 2013
Hannes Löschke replied to Eric Jolley's discussion How to compare and select objects
"Same logic applies to a list even with only two items: You'd need to compare A to B. That means extract the first item and the second (ListItem). If A is smaller than B, delete B, otherwise delete A. (here's a trick with booleans: true…"
Apr 2, 2013
Eric Jolley replied to Eric Jolley's discussion How to compare and select objects
"Oops, replied to myself.  See above. Eric"
Apr 2, 2013
Eric Jolley replied to Eric Jolley's discussion How to compare and select objects
"Hi Hannes, I only need to compare each pair of surfaces (0 and 1 indices) not the entire list to itself. Then delete the larger of each pair. Eric"
Apr 2, 2013
Hannes Löschke replied to Eric Jolley's discussion How to compare and select objects
"GH and coding sometimes makes you think in different terms and stategies. Building a definition is like chess: you have to think ahead a few moves. What sounds reasonable in the first move may lead nowhere further on... Larger or smaller than needs…"
Apr 2, 2013
Eric Jolley posted a discussion

How to compare and select objects

Hi, the image represents areas of a number of split surfaces.  How can I select the larger of each set for deleting?  I'm confused about whether I use the List components or Tree components to access the data.It seems like I should be able to input the list to the Larger Than component, with one input shifted but that is not doing the trick.Eric…See More
Apr 2, 2013
Eric Jolley replied to Eric Jolley's discussion Best way to trim multiple surfaces with solid
"I can set it up so the outside trimmed surface is always larger, and sort by area."
Apr 1, 2013
Eric Jolley replied to Eric Jolley's discussion Best way to trim multiple surfaces with solid
"I wish it were that simple.  The centroid of the keepers is not necessarily inside the BRep. Think of curved slices of a 'J'-shaped pipe that are offset from the CL of the pipe."
Apr 1, 2013
Hannes Löschke replied to Eric Jolley's discussion Best way to trim multiple surfaces with solid
"Area on the trimmed surfaces and BRep inclusion (Inside Component) for the returned centroids..."
Apr 1, 2013
Eric Jolley replied to Eric Jolley's discussion Best way to trim multiple surfaces with solid
"That works well, thanks. Now to sort out the split surfaces that are inside the solid from the ones outside. "
Apr 1, 2013
Hannes Löschke replied to Eric Jolley's discussion Best way to trim multiple surfaces with solid
"Then you should also use the shifted list as an input to the trim surface component. Or you should generate the offsets with a Series starting from Ply t. That way you will not get the original surface in the first place."
Apr 1, 2013

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