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Transparent but NOT translucent Wall (cast shadows and bounce light but see through)

4 ANTWORTEN 4
GELÖST
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Nachricht 1 von 5
Ch.Meinert0609
1367 Aufrufe, 4 Antworten

Transparent but NOT translucent Wall (cast shadows and bounce light but see through)

Hello,

 

I'm look for a way to visualize interiors where you can see through certain walls or ceilings (mostly outside walls) but (sun-) light is blocked and bounce back. If I cut the model with a section or scope box the room is lit as if all sunlight comes from the cut areas (which is not realistic).

I tried to create a 100% transparent but 0% translucent material but this does not work as expected (I only want to see the light coming through the windows and glass door and in the rendering the light bouncing from the "invisible" outside wall.

ChMeinert0609_0-1630152122609.png

Placing a camera inside the room gives an undesired perspective distortion. Does anybody has an idea how to do this? (I have the same problem creating birds eye perspectives with correct shadows and illumination when the roof/ceiling is cut away) 

ChMeinert0609_2-1630152582741.png

Thank you for any suggestions.

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Nachricht 2 von 5
RDAOU
als Antwort auf: Ch.Meinert0609

@Ch.Meinert0609 

 

In rendered views or Realistic View display?

 

For the latter (Realistic Views), you can select the wall >> override element >> set transparency to 100... that will keep blocking sun and allowing only what goes through the windows...See below same camera duplicated ( both with identical sun settings:

  • Highlighted view Top Left...wall element surface transparency overridden (Furniture behind wall not casting shadows)
  • Bottom Left Wall material transparent (furniture behind wall cast shadows)

You can create a view Filter for all external walls and override surface transparency to 100% then apply that filter to all 3D views where you need that effect

 

 

RDAOU_0-1630156506607.png

 

 

For rendering...not sure how one can manipulate the material to make it transparent yet allows absolutely no light through. But again I am not the best at rendering in revit

 

 

 

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Nachricht 3 von 5
Ch.Meinert0609
als Antwort auf: RDAOU

Thank you for the quick answer! Realistic mode + Transparency override does what I want to achieve and nicely by view so I don't have to change materials global:

ChMeinert0609_0-1630158243450.png

Door and Window cast shadows.

 

But A) realistic is not my favorite view B) build in tender engine ignores the override C) enscape (my favorite engine) also ignores the transparency set by view

 

 

Nachricht 4 von 5
barthbradley
als Antwort auf: Ch.Meinert0609

Try Painting the surfaces of the Walls (Exterior+Interior) with Glass Material.  I think you might like the Rendering result.    

Nachricht 5 von 5
Ch.Meinert0609
als Antwort auf: barthbradley

My Problem ist that if I choose a glass material I don't get realistic lighting and shadow inside the room. More obvious in a bid's eye view where I don't like the look like after a hurricane  (ripped of roof).

 

Without daylight it's better but I again loose all the light normally bouncing off opaque walls or ceilings when I just take a transparent material.

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