Creating 'volcanos' with predefined inner diameters

Hello everyone,
I'm new to the community so thank you for taking the time to look this over,

Currently, I have a collection of deformed circles cut out from an earlier defined larger arc surface.

I want to keep the perimeters of the deformed circles in place and I want to the keep the larger arc perimeter in place too.

I want to create 'mounds' or 'volcanos' if you will, using the morphed circles to define the inner diameter.

A sectional sketch, to clarify for you my intentions -

Has anyone ever done something like this before? I'm still a novice in grasshopper.

I found this tutorial, but it doesn't do quite what I want it to,
http://hgkook.files.wordpress.com/2009/09/2_2-tensile-landscape1.pdf

Replies to This Discussion

Permalink Reply by Justin Bouttell on January 25, 2013 at 1:23pm

The big idea here anyways, is to create a landscape, that has parameters that can be adjusted. (i.e. height, width, steepness...)

Thanks!

Permalink Reply by Michael Pryor on January 25, 2013 at 1:40pm

logic would be similar to this without the bottom surface.

Permalink Reply by Justin Bouttell on January 25, 2013 at 8:18pm

I'm familiar with this definition. What would I need to change in it specifically?

This is my plea... As I've spent the whole day playing around with no results. A very frustrating day.

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