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In my indoor scene, there are glass sliding doors for which I used the ags_standard.mxm from the material database. All objects behind those half open glass doors are much darker than if there's no glass in front of them. Sadly it's very strong noticeable... is there any way to avoid this?
Or should I better use normal dielectric glass in this situation? I'm a bit afraid of a too low benchmark value since the scene already takes quite long on my machine.

hi kami,

i am not an ags specialist.. but since i always work a lot with sky and sun i have been using using this material (or derivatives) for glass in most of my scenes:

http://mxmgallery.maxwellrender.com/sea ... n%20shadow

it is Tim Ellis's SunShadowThroughGlass material, very nice imho.

maybe it helps your setup...

are you using Sun? ..post an image if you can...

cheers,
p.

Using AGS, if you want more sunlight to shine through, decrease the weight amount of the reflectivity layer. AGS, by default is given too much reflectivity in my opinion. Remember, the more light it reflects, the less light is getting through, making your interior dark.

thx for the help.
the only idea i would had left was to render it once without glas and once with a mirror instead of the glass and overlay those two in photoshop. but i'm not so sure if the result would have been usable.
i sadly cannot show the image, but i've built a test scene which shows the situation quite well


the image shows a version with normal dielectric glass and doesn't work that bad. i think i tried this one before, but failed because of a modelling failure (3 planes in a row don't work that well ) I'm only worried a bit about the rendering times, so i'll also give tim's material a try.
luckily there's no direct sunlight in this scene. just some sky light from the exterior and (to be added) some emitters on the inside.

Too strong refraction! Are you using just a plane or a box? If your material has some refractive layer it needs a closed geometry to look good.