Interpolation errors - spikes!

duke
Posts: 36
Joined: Mon Oct 05, 2009 8:20 am

Interpolation errors - spikes!

Postby duke » Mon May 27, 2013 8:11 am

I've found that splineland isn't working very well with ramps or sharp changes in elevation (such as cliffs and retaining walls). Please see attached image and scene:

SplineLandError.jpg
SplineLandError.jpg (95.62 KiB) Viewed 192782 times
Attachments
Terrain_002.zip
(251.08 KiB) Downloaded 2768 times

duke
Posts: 36
Joined: Mon Oct 05, 2009 8:20 am

Re: Interpolation errors - spikes!

Postby duke » Mon May 27, 2013 9:14 am

A way to approach this in code would be to scale the Z interpolation by the non-interpolated curvature, such that steeper areas have less Z interpolation.

anvar
Posts: 460
Joined: Sun Jul 11, 2010 12:34 pm

Re: Interpolation errors - spikes!

Postby anvar » Wed May 29, 2013 12:32 am

yes, SplineLand is not suitable for making vertical surfaces
thank you for suggestion, I will pass it to developers

duke
Posts: 36
Joined: Mon Oct 05, 2009 8:20 am

Re: Interpolation errors - spikes!

Postby duke » Wed Aug 07, 2013 9:43 am

Any updates on this and how it might be handled?

anvar
Posts: 460
Joined: Sun Jul 11, 2010 12:34 pm

Re: Interpolation errors - spikes!

Postby anvar » Sun Aug 11, 2013 10:50 pm

unfortunately its not possible to create vertical surfaces with SplineLand


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