Grasshopper

algorithmic modeling for Rhino

Offset Curve along Curve

Hi everyone,

I need to offset a profile curve on both sides of a given point along a rail curve. 

In the screen shot below, the two pink curves are the offsets I need to create in grasshopper at all the points along the bottom rail curve. (I modeled the pink curves in rhino just for demonstration purposes).

If anyone has any suggestions I would really appreciate it!  I've also attached files for reference.

Thanks in advance,

Anna

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Permalink Reply by peter fotiadis on October 20, 2017 at 3:28am

Quite probably(?) the attached is what you want.

Notify if you need to add some other capabilities/"options"

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Permalink Reply by Joseph Oster on October 20, 2017 at 7:20am

Added the purple group to 'Move' the 'Oriented' 'Pofile Curves'.  Could have moved the 'PFrames' instead if they work better to intersect something.

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Permalink Reply by Joseph Oster on October 20, 2017 at 7:31am

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Permalink Reply by Joseph Oster on October 20, 2017 at 8:00am

Could have moved the 'PFrames' instead if they work better to intersect something.

This one uses the moved 'PFrames' to get intersections with the lofted surface:

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Permalink Reply by Hyungsoo Kim on October 20, 2017 at 7:53am

Check this as well.

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Permalink Reply by Anna Kim on October 20, 2017 at 10:39am

Thanks so much everyone!  This is really helpful,

Anna

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