Grasshopper

algorithmic modeling for Rhino

All Notes (15)

How to generate help topics

A list of the the tools or buttons can be generated. Go to the Help menu and "Export Help". You will get all the same information that is available from the context menu Help option for each…

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Created by Scott Davidson Dec 15, 2010 at 10:33am. Last updated by Jody Mills Dec 20, 2010.

How to get help on a specific component



Included in each Help topic for each component is the Inputs and Outputs descriptions and data types. Right-click on any component and select Help at the bottom of the menu.

 …

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Created by Scott Davidson Dec 16, 2010 at 12:26pm. Last updated by Jody Mills Dec 20, 2010.

How to connect to Excel, text files or other external data

Grasshopper can connect to many external data sources. Many times these connections can update real-time. Both reading from external data or writing data out of Grasshopper is possible. It seems…

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Created by Scott Davidson Dec 16, 2010 at 3:16pm. Last updated by Jody Mills Dec 20, 2010.

Can Grasshopper reference geometry from other products?

Grasshopper can reference any geometry in Rhino.  If you would like to reference a model created in Maya, AutoCAD, Microstation, etc., import the objects into Rhino.  Many Grasshopper definitions…

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Created by Scott Davidson Dec 16, 2010 at 4:26pm. Last updated by Jody Mills Dec 20, 2010.

How to find the area of multiple objects

By using Grasshopper’s Area B (Area Brep) component you can find the area and centroid of a closed curve, surface or solid.

If you would like to find the sum of multiple areas together,…

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Created by Jody Mills Dec 20, 2010 at 12:50pm. Last updated by Jody Mills Dec 20, 2010.

How do I generate 2D shapes with Grasshopper?

It is really up to you to define how Grasshopper generates geometry. Easy stuff like making sure a floor is scaled to match a given area, or making sure a curve has a certain length is normally…

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Created by Jody Mills Dec 20, 2010 at 12:48pm. Last updated by Jody Mills Dec 20, 2010.

How do you generate a graft in the Grasshopper definition?

Grafting is an operation on data structures you can add to all floating and input parameters. It basically takes the existing data structure and puts all the individual data items in their own…

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Created by Jody Mills Dec 20, 2010 at 12:46pm. Last updated by Jody Mills Dec 20, 2010.

Where is the Mesh Difference component in Grasshopper?

All Shape boolean components are located in the Intersect tab.

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Created by Jody Mills Dec 20, 2010 at 12:43pm. Last updated by Jody Mills Dec 20, 2010.

What does it mean to graft or flatten?

"Graft" and  "Flatten" changes the data structure inside a parameter. Sometimes it is necessary to modify the data structure because the default layout does not result in the desired operations.…

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Created by Mary Fugier Dec 17, 2010 at 12:05pm. Last updated by Jody Mills Dec 20, 2010.

Can you make the slider work continuously? For example, can you change the value of a slider at a time interval?

You can animate a slider so that it runs its range automatically over a series of frames. Simply right click on a slider and select Animate.…

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Created by Jody Mills Dec 20, 2010 at 10:36am. Last updated by Jody Mills Dec 20, 2010.

What is an Expression?

An Expression is a single line of code that can be used to process data. For example, if you want to make sure that an Integer input parameter never contains negative numbers, you…

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Created by Mary Fugier Dec 17, 2010 at 12:03pm. Last updated by Scott Davidson Dec 17, 2010.

What is the difference between the dot line and single line and double line in the Grasshopper file?

When the Fancy Wires option is enabled in the Grasshopper View menu, then the wire display tells you something about the data that flows through them. There are 4…

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Created by Mary Fugier Dec 17, 2010 at 11:59am. Last updated by Scott Davidson Dec 17, 2010.

Are there examples of Architectural projects done with Rhino?

Yes, the Architectural Projects page is a good place to start.  There are also many examples on the…

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Created by Scott Davidson Dec 16, 2010 at 5:17pm. Last updated by Scott Davidson Dec 16, 2010.

Will Grasshopper work on the Mac?

We would like to have Grasshopper working on the OSX version of Rhino in the future.  We are actively researching the technical challenges to this. At this time there is not a Grasshopper…

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Created by Scott Davidson Dec 16, 2010 at 12:38pm. Last updated by Scott Davidson Dec 16, 2010.

Basic Tutorials

There are many resources available to learn more about Grasshopper.  Andy Payne, LIFT architects, has published a 75-page manual to help people get a basic understanding…

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Created by Scott Davidson May 11, 2009 at 9:55pm. Last updated by Scott Davidson Dec 16, 2010.

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