algorithmic modeling for Rhino

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Comment on: Topic 'Too many geometrical entities': uld be much better than Rhino at huge mesh collections. I'd personally try free Autodesk Meshmixer and ZBrush first but most designers are more familiar with rendering programs like Maya or 3DS Max. I'm not familiar enough with architecture to suggest a list as only Revit and Sketchup come to mind. Looking more closely, CAD Exporter is only for 2D curves and points, how silly, and it requires baked geometry in a Rhino layer: I could write a Python script to export an STL but that would be a large ascii format file instead of binary. Better to use OBJ to retain quad faces, too. Ah, well, OBJ files are also ascii format when exported from Rhino, so it would be quite easy to make a script to export those directly to disk from Grasshopper. Here is one box, 10X10X20 in size, with quad faces: # Rhino o object_1v 10 10 20v 10 10 0v 10 0 20v 10 0 0v 0 10 20v 0 10 0v 0 0 20v 0 0 0f 5 7 3 1f 5 6 8 7f 3 7 8 4f 2 4 8 6f 5 1 2 6f 3 4 2 1 If I have time I'll make a little script to write such OBJ files unless you can find a native Grasshopper plugin for direct OBJ export in full 3D for meshes.…; Added by Nik Willmore at 6:34am on March 24, 2016

Comment on: Topic 'A very strange PLine (actually a Tube on it)': Hi Danny Er...indeed you have a strong point...but what about the rest of PLines? - or Pipes if you prefer (8good + 1bad = 9/3 = 3 per peripheral truss).; Added by peter fotiadis at 10:15am on January 27, 2012

Comment on: Topic 'use gHowl from ghPython / Rhino Python': Thanks…; Added by Guille to gHowl at 5:37pm on July 14, 2017

Comment on: Topic 'How to maintain the same volume in Galapagos': olume a factor of x bigger, the scaling factor needs to be x^(1/3) which is the same as the cube-root of x. In this case we don't just want to make the volume x bigger, we need to get a specific volume, so the first step is to compute x, which is the Target volume divided by the Current volume.…; Added by David Rutten at 2:50pm on July 24, 2015

Comment on: Topic '4 point surface': and take look Thanks …; Added by maysam at 10:39pm on October 2, 2009

Comment on: Topic 'how to move a vertex of an oncurve in VB': op van maximaal 1000 iteraties 3) Offset de polyline en maak een nieuwe Brep van alle curven 4) Bepaal de Area-centroid van de Brep 5) Bepaal het verschil tussen de huidige centroid en de gezochte centroid 6) Als dit verschil minder is dan 1e-12 breken we af 7) Vermenigvuldig het verschil met vier en pas de polyline aan 8) herhaal (3 - 7) Is dit min of meer wat je wilde? Het lijkt dat er ~50 iteraties nodig zijn voor een antwoord dat accuraat is binnen de 1e-12 eenheden. -- David Rutten david@mcneel.com Poprad, Slovakia…; Added by David Rutten at 5:26am on August 24, 2010

Topic: Finding adjacent squares in a grid: ace. What I am trying to do is then take these indexes and arrange them to fit a grid - so that all shared edges meet up. e.g. Surface 0 shares edges with surfaces 7 and 8, surface 7 shares edges with 19,4, 3, surface 3 shares and edge with 8 etc. What I need to do is graphically represent this in a grid, so that I can map out the uvs and effectively solve the problem of surface seams. Does anyone have a clue how to do this kind of 2d shuffling?…; Added by Gwyll at 10:57pm on March 17, 2010

Comment on: Topic 'Designing Trusses': ng moved and oriented on beginning of each rail 8: sweeping, each curve has its own rail, so inputs are grafted This is probably not the expected result, but it can help.…; Added by Yoann Mescam (Systemiq) at 5:36pm on April 28, 2011

Comment on: Topic 'Grasshopper 0.8.0050 developer pre-release': this doesn't make any sense... but the Data Log component for Firefly does essentially what the Data Recorder now does (although the Data Recorder is much more compact)... The only difference is that there is a Wrap input which would create the list as above.…; Added by Andy Payne at 2:27pm on July 22, 2011

Comment on: Topic 'point list order': ents 4) If greater then Average length then Assume that the curve has changed direction from the one before. 5) Set a pattern of which side the "target" is set. (by this I mean if there is a series of curves that all need flipping then we have to account for this) 6) Set a 0s and 1s pattern for which curves to flip and which to leave 7) Dispatch 8) Flip or not 9) Merge 10) Ta Daaaaa …; Added by Danny Boyes at 6:25am on April 24, 2014