How to make topography from points

SketchUp
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dwg raw data test.skp (440.5 KB)

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The upload of raw data from DWG makes the SET-LEVEL-POINTS as individual cross components. Easy enough to explode these but Toposhaper doesn’t recognise them as they are not guide points.
Sandbox does recognise them but the terrain is a little clunky. I prefer the quad based terrain generated from toposhaper
Is there a way of changing these crosses to a guide point in a bus action whilst maintaining there height topography ?

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thanks for your help. I can see a way to create terrain from sandbox but I prefer the terrain created by toposhaper which needs guidepoints

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Insert into this component a guide point and delete those two edges, then explode the components and make a group of all and you’ll be able to use Fredo TopoShaper.

imp-03

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I used TIG’s CenterPoint All to place guidepoints at the centers of all of the selected + components then ran Toposhaper. I didn’t modify the spot height components which you still might want as is.
Screenshot - 3_9_2022 , 5_56_10 AM

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really helpful information. Thanks

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Great solution. plugin works really well. Thanks so much

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Capture
Capture1589×956 260 KB

Hi, I’m wondering how to reduce the “tiny sharp lines” as noted by Toposhaper. Is increasing the smoothness the key here? @DaveR