Michel, thank you, I also thought it but it is not solution for me, because there would still edges, not curves best would be to change hotspots projection, but how?

hi, i created polygonal hotspot, everything seemed fine in normal projection (normal.jpg) but when i changed projection to little planet or fish eye hotspot distorted (littleplanet.jpg) it is a similar situation at the lens flares some hints, solutions? thank you!