Spotlamp wall and LightWorks

[Anonymous]

Can someone explain to me why the spotlamp wall 12 give this square result in lightworks? Dear Dwight? Many thanks for an other time!

[Anonymous]

After many efforts, the problem is with the values of ri and ro.
Whith ri 0,45 and ro 0,90 there is problem.
Whith ri 0,45 and ro 0,80 there is problem
Whith ri 0,45 and ro 0,75 no problem.
See the example.
Better when ri=ro.
Anyway thanks Dwight!

[Anonymous]

ri = ro
The circle is fine.