Acronym for triangulated irregular network. A vector data structure that partitions geographic space into contiguous, nonoverlapping triangles.
11
votes
4answers
309 views
Given a list of surveyor points, what is the algorithm used to simplify the points and retain the terrain characteristics?
Given a terrain and surveyor points sampled from from it or from its contours, is there any algorithm that one can use to simplify the points ( i.e., reduce the surveyor points number) and at the same ...
9
votes
1answer
305 views
Performing Overlay of Two Triangulated Irregular Networks (TIN)
I am referring to the paper here, section 2.6.1, on the adding and subtracting of two TINs:
The addition of two TINs can be
determined exactly and stored into a
new TIN, because the addition ...
5
votes
3answers
598 views
getting from a DEM to points that could be used for a TIN
I have a DEM, and would like to create a set of points that I can use to make a mesh for a 3d modeling program, such as Maya, Blender, or SketchUp. If I were to make a TIN from a DEM in ArcGIS, ArcGIS ...
2
votes
1answer
610 views
TIN Interpolation using a vector layer
I'm writing a plugin in QGIS and I'd like to generate a TIN surface using a vector layer with x,y and z (interpolation attribute).
The idea is to visualize the same result like in the Interpolation ...
