hi, thanks for this pretty amazing and easy to follow tutorial. i have two issues. i get a message when i click active my builfing. i cannot do it only roof as you didi why? it is said: not enough mounting surface in my 3d model. how can I solved it? the visulaization of my 3d model is totally white and difficult to distinguish each element. how can I change the visulaization? Regards
![[Tutorial] PV*SOL premium 2017- Mounting system on a facade](http://i.ytimg.com/vi/58W7wTX3UkM/mqdefault.jpg)
![[Tutorial] PV*SOL premium 2017– Mounting system on a facade](/img/tr.png)
![[PV*SOL Tutorial] First steps to design a ground-mounted PV system (3D)](http://i.ytimg.com/vi/lFIghVuuu_A/mqdefault.jpg)
hi,
thanks for this pretty amazing and easy to follow tutorial. i have two issues.
i get a message when i click active my builfing. i cannot do it only roof as you didi why? it is said: not enough mounting surface in my 3d model. how can I solved it? the visulaization of my 3d model is totally white and difficult to distinguish each element. how can I change the visulaization?
Regards
Thank you for your kind feedback! Please contact hotline@valentin-software.com, our technical support team will be happy to help you.