Friday 28 May 2010

Revit Renders Unable to Save Image to Project or Export


You set your machine to render (at least above the draft setting) and it renders without problems but when it has finished rendering you are unable to Save the Image to the Project or Export. It seems to be something to do with a memory leak. The only current workaround is to make sure you reboot the machine and open Revit and render straight away (without doing any work or opening other files). Also make sure that you have as little running as possible and as much memory freed up. Also make sure you have the 3GB switch on allowing Windows to use more than 2GB for one application.


Showing Masses in 3D View Window in Revit



To create a context model in Revit you can import DWG (or Sketchup 5 if you are lucky) into Revit. If you import it straight in, the geometry does not work well as a massing model to render. The trick is to create a new Mass and import the DWG into the Mass. This works well. However, by default the Masses will not show in a 3d View if referenced into another Revit File. There is an obscure tickbox called Imports in Families within the visibility Graphics for the view. This needs to be ticked in addition to the Show Mass button as well as the Mass section of the visibilty Graphics.





I have found the tick box in VG and Imports in Families. I realised that because you have to import geometry into a Mass to create a decent context model this is considered to be an Import in Families. Therefore this must be ticked for the view. The template for view creation does not have this on by default whereas the 3D view does. So we are happy again.

Friday 21 May 2010

REVIT

Getting the right orientation for Curtain Wall Panels

1. Place a curtain wall from right to left and the exterior is above
2. Place a curtain wall from left to right and the exterior is below
3. If you place a panel in these curtain walls you will end up with the exterior of your panel in the right place (on the side that shows the up and down arrows for flipping the orientatation
4. If you place a curtain wall by face on to a Mass, the panel will be mirrored about the centre. Therefore everything that is on the left of the panel will be on the right.
5. If you flip the wall so that the exterior and interior swap places, the panel will be correct. However you will then have to rotate the wall by 180 so that the exterior is again on the exterior. The face will no longer be updated to the mass
6. Drawing the wall normally (without putting it on to the face of the mass) makes the curtain wall panel correct and the exterior is identical to the exterior of the family.

I am sure there is a solutiont to this but I have not been able to find it. I am guessing that the solution is within the panel family that we have created.