Hello, I was using Delphi XE2 with Teechart VCL 2013. I installed the new version 2014 of Teechart for XE2 and it solved my issue of violation access. Now I will try to customize my drawing by removing the line and by smoothing the colors between cells. Thank you for your answers. Best regards Nicolas

Hello, Thank you for your answer, it's what I want to get. I want too that the contour of the hole inside has not this effect. HoleEffect.png I tried your correction, but I've got a violation access (I just comment the last AddXYZ line). Maybe I have a wrong installation because if I don't fill all ...

Hello, I want to draw a round surface with a hole inside. The result is not what I expect. There are side effects at the contour. Is there a way to remove these drawings not very nice and which are not par tof the real surface ? http://img4.hostingpics.net/thumbs/mini_492329TestSurface.png I joined ...