# \#surfaceanalysis

**URL:** https://discourse.mcneel.com/tag/surfaceanalysis/88.md

[Latest](https://discourse.mcneel.com/latest.md) · [Categories](https://discourse.mcneel.com/categories.md) · [Tags](https://discourse.mcneel.com/tags.md)

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## [Rhino BETA Feature: Global Edge Continuity](https://discourse.mcneel.com/t/rhino-beta-feature-global-edge-continuity/196883)

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**Author:** [@Gijs](https://discourse.mcneel.com/u/Gijs)\
**Replies:** 33\
**Last updated:** [October 8, 2026, 11:37am UTC](https://discourse.mcneel.com/t/rhino-beta-feature-global-edge-continuity/196883 "2026-10-08T11:37:46Z")

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What is GlobalEdgeContinuity? GlobalEdgeContinuity is a tool to quickly analyze the continuity (G0, G1 and G2) between surfaces. How does it differ from the existing EdgeContinuity command? With EdgeContin…

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## [Global Edge Continuity - Release Candidate now on packagemanager](https://discourse.mcneel.com/t/global-edge-continuity-release-candidate-now-on-packagemanager/135551)

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**Author:** [@Gijs](https://discourse.mcneel.com/u/Gijs)\
**Replies:** 188\
**Last updated:** [April 12, 2026, 7:00pm UTC](https://discourse.mcneel.com/t/global-edge-continuity-release-candidate-now-on-packagemanager/135551 "2026-04-12T19:00:24Z")

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I’ve been working on a global edge continuity tool lately and am looking for people that want to try it out and give me feedback for improvement. If you’re interested, please send me a pm. Sending a pm will not be a guar…

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## [Global Edge Continuity – Issue](https://discourse.mcneel.com/t/global-edge-continuity-issue/198747)

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**Author:** [@sach](https://discourse.mcneel.com/u/sach)\
**Replies:** 15\
**Last updated:** [January 21, 2026, 7:06pm UTC](https://discourse.mcneel.com/t/global-edge-continuity-issue/198747 "2026-01-21T19:06:43Z")

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Hi @Gijs I’ve been using your fabulous GEC tool again recently after a while. It’s been really useful and quite easy to use. I’ve noticed that some edges are failing G0 with some really high deviation values! Like ed…

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## [Desperatly wanted: zebra light direction adjustable and independend from viewpoint](https://discourse.mcneel.com/t/desperatly-wanted-zebra-light-direction-adjustable-and-independend-from-viewpoint/27418)

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**Author:** [@fishermans](https://discourse.mcneel.com/u/fishermans)\
**Replies:** 5\
**Last updated:** [October 13, 2024, 5:45pm UTC](https://discourse.mcneel.com/t/desperatly-wanted-zebra-light-direction-adjustable-and-independend-from-viewpoint/27418 "2024-10-13T17:45:20Z")

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Does somebody know a creative work around to align the zebra light to, lets say to the Z vector, and rotate the view without changing the zebra light direction? VSR-Tools are able to do the trick. Any idea to do it witho…

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## [Creating an analytical model of a slab with points lying on the same line](https://discourse.mcneel.com/t/creating-an-analytical-model-of-a-slab-with-points-lying-on-the-same-line/186460)

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**Author:** [@Foxman](https://discourse.mcneel.com/u/Foxman)\
**Replies:** 1\
**Last updated:** [July 9, 2024, 11:00am UTC](https://discourse.mcneel.com/t/creating-an-analytical-model-of-a-slab-with-points-lying-on-the-same-line/186460 "2024-07-09T11:00:47Z")

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Hello Guys please tell me how can I create an overlap in a grasshopper with additional points and a perimeter in the form of a polyline? or maybe somehow change the existing analytical model?

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## [Trim Damages Surface](https://discourse.mcneel.com/t/trim-damages-surface/151487)

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**Author:** [@precisionart](https://discourse.mcneel.com/u/precisionart)\
**Replies:** 4\
**Last updated:** [December 2, 2022, 12:18am UTC](https://discourse.mcneel.com/t/trim-damages-surface/151487 "2022-12-02T00:18:25Z")

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When I perform a trim it is damaging the surface. Attached is an example. The damage to the surface is less in this example than in my master file. Trim - surface issue.3dm (966.4 KB)

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## [Iso Angle diagnostics](https://discourse.mcneel.com/t/iso-angle-diagnostics/149703)

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**Author:** [@Lukas\_Mateja](https://discourse.mcneel.com/u/Lukas_Mateja)\
**Replies:** 0\
**Last updated:** [October 26, 2022, 7:24am UTC](https://discourse.mcneel.com/t/iso-angle-diagnostics/149703 "2022-10-26T07:24:50Z")

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Hi, is there some feature in Rhino like Iso Angle diagnostics in Alias: since standard \_Zebra is not that easy to read for highlights analysis. Thanks.

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## [EMap arches.png source](https://discourse.mcneel.com/t/emap-arches-png-source/123252)

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**Author:** [@lando.schumpich](https://discourse.mcneel.com/u/lando.schumpich)\
**Replies:** 2\
**Last updated:** [April 28, 2021, 3:21pm UTC](https://discourse.mcneel.com/t/emap-arches-png-source/123252 "2021-04-28T15:21:34Z")

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Hi, while doing some modeling at work today me and my Co-Worker got curious: What is the source of the background image used in the EMap analysis, arches.png. Specifically what buildings / city was this shot in? M…

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## [Measuring a deviation from surface to surface](https://discourse.mcneel.com/t/measuring-a-deviation-from-surface-to-surface/113157)

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**Author:** [@a.konten](https://discourse.mcneel.com/u/a.konten)\
**Replies:** 2\
**Last updated:** [November 26, 2020, 2:42pm UTC](https://discourse.mcneel.com/t/measuring-a-deviation-from-surface-to-surface/113157 "2020-11-26T14:42:07Z")

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Hi, I have rebuilt a surface and I would like to measure if any deviation to the original surface has happened during my rebuild. In Alias I know the option “Locate Surface to Surface Deviation” (Image attached.) Is th…

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## [Merging part of two surfaces representing landscape](https://discourse.mcneel.com/t/merging-part-of-two-surfaces-representing-landscape/77809)

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**Author:** [@honza.jerman](https://discourse.mcneel.com/u/honza.jerman)\
**Replies:** 1\
**Last updated:** [January 24, 2019, 3:28pm UTC](https://discourse.mcneel.com/t/merging-part-of-two-surfaces-representing-landscape/77809 "2019-01-24T15:28:43Z")

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Hi all, I have two surfaces from photogrammetry converted to elevation points with geographical coordinates using AutoCAD Civil 3D. The file I upload to Rhinoceros is triangulated .dxf surface, using Drape tool I conve…

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## [What happened with VSR/Autodesk Shape Modeling?](https://discourse.mcneel.com/t/what-happened-with-vsr-autodesk-shape-modeling/41482)

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**Author:** [@Jordi\_Perez](https://discourse.mcneel.com/u/Jordi_Perez)\
**Replies:** 12\
**Last updated:** [August 29, 2018, 1:03pm UTC](https://discourse.mcneel.com/t/what-happened-with-vsr-autodesk-shape-modeling/41482 "2018-08-29T13:03:57Z")

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Hi everybody, Sorry for the long proposal but I’m really concerned about that and I’m not finding a concrete answer. I will be very happy to get any advice. Here we go: I’m trying to find a good workflow for surface mo…

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## [Anticipating surface directions](https://discourse.mcneel.com/t/anticipating-surface-directions/42461)

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**Author:** [@Jordi\_Perez](https://discourse.mcneel.com/u/Jordi_Perez)\
**Replies:** 2\
**Last updated:** [March 23, 2017, 5:30pm UTC](https://discourse.mcneel.com/t/anticipating-surface-directions/42461 "2017-03-23T17:30:49Z")

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While creating quad adjacent surfaces in order to use the zebra stripes I'm not able to prevent the direction of the resultant surface, so sometimes I get the opposite direction I need to have a good zebra display. The…

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## [Reproducing an imported surface](https://discourse.mcneel.com/t/reproducing-an-imported-surface/41752)

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**Author:** [@Jordi\_Perez](https://discourse.mcneel.com/u/Jordi_Perez)\
**Replies:** 2\
**Last updated:** [March 1, 2017, 9:58am UTC](https://discourse.mcneel.com/t/reproducing-an-imported-surface/41752 "2017-03-01T09:58:56Z")

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Hi everybody, I’m making some changes on an imported model that has one specially critical surface that I have to refit. As you can see in the pictures below, The idea is to mantain the original surface intention as mu…

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## [Trimmed surfaces solution for next Grasshopper?](https://discourse.mcneel.com/t/trimmed-surfaces-solution-for-next-grasshopper/38224)

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**Author:** [@Wassef](https://discourse.mcneel.com/u/Wassef)\
**Replies:** 6\
**Last updated:** [October 31, 2016, 10:40am UTC](https://discourse.mcneel.com/t/trimmed-surfaces-solution-for-next-grasshopper/38224 "2016-10-31T10:40:33Z")

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Dear David, In the current grasshopper version, there is no solution to the trimmed surfaces, especially when one needs to evaluate, divide surface, etc... It would be great if this issue could be solved for the next…