Grasshopper

algorithmic modeling for Rhino

how can i move points along the surface, in the direction shown in the following image.

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Hi Sangita,

Try this, I hope this could help ..

If you follow same logic,

What you need is to find intersections between a series of surfaces and your Brep shape, then evaluate the resultant intersecting curves after you re-parameterize them ..

This is another way using the shape of you base surface an input built using a revolve.

Then changing the UV Values of the point on the surface to move the points over the surface. This is still a simple solution that will move the points off the edge of the surface is you move the slider to high. This should be easy to solve though.

Hope this Helps

Matt

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thanks Matt.

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