I think you are spot on, Michael. I used the Magnet "needle" in that area. Staying with dome, ball or circle seems to work just fine.

The pic below shows what trangulate does for the mesh.

> You may also want to generate an even denser mesh than what you show there.

To avoid the tesselation up close, A=12 or 10. DLT=.25? Finer???

Thx.

L.