Irregular Surface to Solid Group
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I think sdmitch already did this... http://sketchucation.com/forums/viewtopic.php?p=359903#p359903
Please learn to use the SCF-forum/your-browser search/find functions thoroughly...
More often that not it's been done before... or something pretty much like it...
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Fredo is cooking a plug about Terrain don't know if that can help you!
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Thanks TIG.
I have been searching the SCF, other forums, and plugin libraries fairly extensively, and sdmitch's solution is what I refer to the in the last paragraph on adding the skirt. Since my surface is not Google Earth terrain, his plugin would not handle the surface.
I've been using search terms like this post subject or "push pull multiple faces" or "extrude multiple surfaces". I've found answers for multiple faces that are separate, but not if they are joined in a triangulation like mine. If you have any suggestions for SketchUp lingo I'm missing, I would be grateful.
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http://sketchucation.com/forums/viewtopic.php?f=15&t=44282&start=60
Keep your eyes open for fredo's Topo Shaper. Looks like part of its functionality will do what you're looking for.
Chris
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d'oh, I see you already posted a link to fredo's script Frenchy, sorry for the double post!
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Thank you both. I'll be watching for that one.
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Tom, I have sent you a version, by PM, that should work with any grouped terrain mesh.
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TIG's extrude_edges_by_vector_to_object
http://sketchucation.com/forums/viewtopic.php?t=37515
recurve the perimeter edges for easy selection then go...
cleanup coplanar edges if desired..
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also, vector push pull
(part of joint push pull: http://sketchucation.com/forums/viewtopic.php?t=6708)you can do it with selecting the surface.. use <tab> for options then change to thickening..
intersect with plane for flat bottom..
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You can also use drape and Fredo's Curviloft to create that skirt.
First drape the perimeters of your terrain onto a flat plane:
Next select the topo above and the draped shape below
Set the curviloft settings
After some clean-up (and moving the ungrouped top and bottom surfaces inside the curvilofted group) you get a nice solid.
True that my topo has a rectangular outline here but it should work with any shape... -
Another cool solution!
The Joint Push Pull by Fredo 6Color by the fabulous Color by Z by Chris Fullmer!
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Using solid tools for terrain modification. Never thought of that.... Interesting idea.
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Thank you all for the creative solutions! sdmitch's solution for any mesh worked great. These others have me loading up on additional plugins.
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Can you share the Sdmitch solution ?
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Hi folks.
I did that a while ago for someone who asked the same question. See this SU file for ideas.
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@unknownuser said:
Can you share the Sdmitch solution ?
The version on my blog does not require a GE terrain patch.
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Alas the Drape method (Thx Jean for the V6
don't work at any time without very big cleaning! 
JPP vector yes!
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Hi Pilou, hi folks.
Try smoothing all the surface before draping to get only the contour instead of zillions of edges and faces.
Just ideas.
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Zillions ?
I have 323 entities for the surface and less 80 segments as perimeter!
But Ok with Smooth at the maximum I obtain just one edge alone to close by hand
(not a big deal - the only difficulty is to find it! )But this will be the same with a bigger surface more sinuous on the edges?
Here I have 2 big straigth lines edges with only 2 arc circles toward inner!If I have 100 edges to close ?
And after with your method i must make several intersections (just one Push Pull for natural intersection is not sufficient (but not a big deal again
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