ArmA 3 Terrain Builder

ArmA 3 Forum, ArmA 3, ArmA 3 Config, ArmA 3 Missions, ArmA 3 3D Modeling, ArmA 3 Scripting, ArmA 3 Terrain, ArmA 3 Texturing, ArmA 3 Tools

ArmA 3 Terrain Builder, ArmA 3 Terrain Builder Support Forum

Invalid Triangulation Polygon

Terrain Builder Errors are always fun to decipher, luckily I have collected intel on many of them through personal experience.

CPolygonalArea::UpdateGeometry() - Skipped shape: invalid triangulation (triangle 1.6 fails). (polygon_18)

You can fix this error in Global Mapper by just loading and saving the shape file, or in Terrain Builder by using menu shapes → find by name, then select the polygon in the error, use action drop-down of “show and select”, click OK, then the polygon in question is selected now just hit delete key to delete it.

Definition for bad polygon; can for example be one where lines between vertices cross at some point.