Creating TINs in ArcGIS from triangular elements

SamPettett — Thu, 21 Nov 2019 22:02:42 GMT

Hi,

I am wondering if anyone has figured out how to build a TIN in ArcGIS from a shapefile made up of triangles with values attached to the triangles.

Essentially I have a TIN in shapfile format and don't want or need any sort of interpolation of the data. All I want is to be view/use the TIN in ArcGIS.

None of the tools under 3D Analyst Tools > Data Management > TIN allow me to do this, i've tried most if not all of the combinations....hard replace which you would think would work, does work but only for a few triangles at a time and i'm working with millions.

I've found an old article on stack exchange asking the same thing ( Creating TINs in ArcGIS from triangular elements? - Geographic Information Systems Stack Exchange ) and tried LandXML to TIN too and it hasn't worked. The stack exchange post refers to notifying ESRI regarding this issue and was wondering if there has been any progress?

Cheers

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Creating TINs in ArcGIS from triangular elements