"I have encountered the same problem in a different setting:
I have a set of curves to offset, and the distances of the offsets vary for each curve. The data structure issue comes up when some distances are 0 and some are non-zero. Say if the…"
generative modeling for Rhino
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Meng Chan Tang
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Meng Chan Tang's Discussions
duplicated result when using BRep|Plane intersection
Consider the following scenario:Create a box at (0,0,0) with its bottom face horizontally lies at z=0.Create a plan at (0,0,0) with its normal being (0,0,1).Use BRep|Plane component to find the…Continue
Started Jul 26, 2011
Retrieving the current Unit System in Rhino space in GH component
3 Replies
Hello guys, I'm trying to develop my own component in GH and need to extract the unit system information of the current Rhino model. I found the following page but it does not seem to work when I'm…Continue
Started this discussion. Last reply by Meng Chan Tang Jul 25, 2011.
Using existing components in C# and VB?
I wonder if there's a way to access the existing functionalities of GH when I script using the C# or VB components. Sometimes it would be so much easier to quickly do something convenient there…Continue
Started Oct 27, 2010
Boolean Bug
3 Replies
Please check this:Draw a triangle and offset inwards for some distance. Then use either Region Difference or Solid Difference to get the subtracted result of their extruded geometry. What happens is…Continue
Started this discussion. Last reply by Meng Chan Tang Oct 13, 2010.
Meng Chan Tang's Page
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Meng Chan Tang replied to Choco Choc's discussion Strange OFFSET(not solved) and DUP(solved) functionsMeng Chan Tang posted a discussionduplicated result when using BRep|Plane intersection
Consider the following scenario:Create a box at (0,0,0) with its bottom face horizontally lies at z=0.Create a plan at (0,0,0) with its normal being (0,0,1).Use BRep|Plane component to find the intersection of those two Result: You get two exactly same intersection curves at the bottom of the box.-----------------------------------------------------------------------I have also tested this in SDK using Rhino.Geometry.Intersect.Intersection.BrepPlane() and it would give me exactly the same…See More
Meng Chan Tang replied to Meng Chan Tang's discussion Retrieving the current Unit System in Rhino space in GH component"Thanks a lot. So this and the line Michael had given should return the same value I guess?
Had just quickly tested his version there in C# component, seems returns a string with value "m" (mm, km, etc in other cases I suppose). "
David Rutten replied to Meng Chan Tang's discussion Retrieving the current Unit System in Rhino space in GH component"You can access the current Rhino document using the
Rhino.RhinoDoc.ActiveDoc
property, which is a static (Shared in VB) property. Note that when Rhino starts or shuts down, there might not be an active document, so you should…"
michael sprinzl replied to Meng Chan Tang's discussion Retrieving the current Unit System in Rhino space in GH component"A = doc.GetUnitSystemName(true, true, true, true);
"
Meng Chan Tang posted a discussionRetrieving the current Unit System in Rhino space in GH component
Hello guys, I'm trying to develop my own component in GH and need to extract the unit system information of the current Rhino model. I found the following page but it does not seem to work when I'm writing a plugin for GH because it is only for Rhino.http://wiki.mcneel.com/developer/sdksamples/unitsystemIn general I just fail to find a way to extract information from the current Rhino doc. I wonder if there is a solution to…See More
Meng Chan Tang joined Jon Mirtschin's group
Geometry Gym
BIM (Building Information Modeling) enhancements for Rhino and Grasshopper, import/export to Revit, Digital Project and Archicad amongst others. Also Structure modeling (including analytical) and Computational Geometry Tools such as mesh relaxation/inflation and tessellation tools.See More
Meng Chan Tang posted a discussionUsing existing components in C# and VB?
I wonder if there's a way to access the existing functionalities of GH when I script using the C# or VB components. Sometimes it would be so much easier to quickly do something convenient there instead of going through the Rhino.Net API...
Meng Chan Tang replied to Charles C Vincent's discussion Simple question: how to get the perimeter from a set of rectangles ?"err....Region boolean? or trim a surface with all the rectangles?"
Meng Chan Tang replied to Meng Chan Tang's discussion Boolean Bug"Thank you! So I suppose if I export this it will also be correct using other programs? Say for 3D print?"
Danny Boyes replied to Meng Chan Tang's discussion Boolean Bug"This is a bug in Rhino itself not Grasshopper's baking. The geometry is correct but the rendering mesh is not. Play around with the mesh settings in Rhino I think un-ticking simple planes cures it. (I could be wrong)"
Meng Chan Tang posted a discussionBoolean Bug
Please check this:Draw a triangle and offset inwards for some distance. Then use either Region Difference or Solid Difference to get the subtracted result of their extruded geometry. What happens is that it looks correct in GH until this geometry is baked. When baked to Rhino its upper surface becomes untrimmed again and the opening is gone.See the attached image and you can try this on your own. If this is a bug please fix it because I'm using this as part of my current project for…See More
Meng Chan Tang commented on Francisco Calvo's blog post "Pieles Responsivas" Workshop Results"Nice work. But maybe you didn't realize your logo is too much like http://www.tdcanadatrust.com/"
Meng Chan Tang replied to Meng Chan Tang's discussion Curve reference not working properly"Thanks for the fix!"
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