Thanks for the clarification Yeray. Is there any way I can set the radius of a bubble in a bubble3d series? How do I use the bubble3d series?

Have added 3d bubbles with sample values, and then trying to edit the radius. Having no problems editing the x, y, z values, but the radius poses a problem. The following line of code gives a "Run-time error '91': Object variable or With block variable not set" Sheet6.TChart1.Series(0).asBubble3D.Ra...

I use a 3D chart via the 3d point series. I want to grasp the Z value in a more quick and informative way. Say the Z-values vary between -100 and 100. Is there any way of illustrating this with reference to zero? I.e. if the Z-value is +80, I want to be able to figure this out quickly by having a bl...