Grasshopper

algorithmic modeling for Rhino

Matthew Tam
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subcurve issue when domain is above 1.0
8 Replies

i have an issue with using the subcurve component. i have a series of domains which i use to "split" the curves which works fine when the domain is within 0-1.however i am limited to the starting…Continue

Tags: domain, subcurve

Started this discussion. Last reply by Jesus Galvez Nov 23, 2012.

 

Matthew Tam's Page

Latest Activity

Matthew Tam commented on karamba's group Karamba
"Hi Earth, if you wish to run multiple analyses automatically, you can look at either optimisation processes such as Galapagos or Octopus or you can simply use a Data Recorder to record your results. Best, Matthew"
May 8
Matthew Tam replied to karamba's discussion Karamba - user problems in the group Karamba
"Hi Mohammad, this error occurs when Karamba cannot find the support points which coincide with the list of points that you pluged in from the LinetoBeam element. Try disconnecting the Point in the AssembleModel and see if that works. Otherwise check…"
Mar 27
Matthew Tam replied to Balazs Kisfali's discussion Line to beam component generates too many nodes /points in the group Karamba
"Hi Balazs, you need to flatten the line input to the Line to Beam component otherwise it keeps all the lines in the branch structure and therefore you have more nodes that you expected. best,Matthew"
Mar 9
Matthew Tam replied to Giorgio's discussion Error 1. 19 cross sections need to be bigger than their biggest family member. in the group Karamba
"Hi Giorgio, as I just replied in another forum, the same error is occuring. You have some overlapping beam elements (the split ones and the original one). When you look at the displacement you can see that the long element displaces alot due to it…"
Mar 9
Matthew Tam replied to Giorgio's discussion Error Rigid body's in the group Karamba
"Hi Giorgio, When the Optimize Cross Section component returns this message, it means that the largest cross section is not large enough to satisfy the conditions that you set, ie they do not meat the Max Util/Max Displ that is set in the component.…"
Mar 9
Matthew Tam replied to Roberto's discussion Cable net w/ Karamba and Kangaroo in the group Karamba
"Hi Roberto, I just looked at the definition quickly and noticed that you have separate models for each cable. You need to make sure to combine everything into one model so that Karamba calculates it as one system. Please see the definition I…"
Feb 26
Matthew Tam replied to ma qingsong's discussion How to make a program and analysis? in the group Karamba
"Dear Ma Qingsong, As mentioned in the emails, your issue refers to a geometrical issue. When you increase your V count the mesh also changes and you can see the different distribution of the loads. When you have a low V count your plate has a very…"
Feb 26
Matthew Tam added a discussion to the group Kangaroo
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Problems with meshes in Kangaroo2

Hi,I am trying to simulate inflation of some surfaces which I have converted into meshes from surfaces using various meshing techniques. - meshing a brep using the Karamba 'Mesh from Breps' component- meshing a surface using the Mesh Surface componentI have had varying success with the meshes with the 'Mesh from Breps' component however there are some meshes which just don't seem to work properly - they somehow deform weirdly and never converge.The meshes from Mesh Surface usually give an error…See More
Sep 1, 2016
Jesus Galvez replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"The problem your having is interesting: the moment the domain of the curve exceeds 2*Pi you need a set of two curves for every curve, one for the beginning (for example from 1.8 to 2 Pi) and one for the end (for example from 0 to 0.25 Pi) I…"
Nov 23, 2012
David Stasiuk replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"a couple of ideas...first of all, here you are managing a series of circles.  If your project utilizes this particular geometry, why not rather conceive of them as arcs developed by a base plane, radius and angle domain instead.  Simply…"
Nov 23, 2012
Matthew Tam replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"i have reparametrized the curves, so that the domain is always 0-1. however whenever i pass 1, the curve no longer draws anything past 1. basically, this can be seen in your help file, whenever i set the R0-2 for the upper endpoints to above…"
Nov 23, 2012
Jesus Galvez replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"I think what you are looking to do is to remap the domain. But since the remap component remaps scalars and not domains, you first have to obtain the domain components, i.e. the start and end of the domain. Then you can use the remap component with…"
Nov 23, 2012
djordje replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"Sorry I did not understand you."
Nov 23, 2012
Matthew Tam replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"i have the domains which are applied on a subcurve of series of offset curves (all closed) as you can see in the image. my aim is to basically show an effect of rotating these curves, not by rotating, but by changing the domain of the subcurve. the…"
Nov 22, 2012
djordje replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"Can you explain what you are trying to achieve?Not the process of how could you achieve that in grasshopper, but generally what do you want to do?You want to make a series of circles, equally and gradually distances one from another, were each…"
Nov 22, 2012
Jesus Galvez replied to Matthew Tam's discussion subcurve issue when domain is above 1.0
"I'm not sure of the following, but here it goes: I think in Rhino 4 the domain of a curve was: for linear curves, e.i. polylines, the length of the curve (polyline) for splines, the lenght of the (straight) polyline that joins the control…"
Nov 22, 2012

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