[SOLVED] Lightmap from VS 4.2.5 to VS 5

Now, I deleted those transparencies and all work fine! I think the maplight must not have transparencies...

Hm, but in 4.2.5 it is possible to use f.e. 50% or 80% transparent light maps. I often have smooth borders (what means transparency is going from 100 to 0%).
So thats new in r5? Only sharp shadow borders?

I'm not sure but in VS 4.2.5 my transparent lightmap works fine and in VS 5 it isn't work properly...

I'm not sure but in VS 4.2.5 my transparent lightmap works fine and in VS 5 it isn't work properly...

Thats what I mean and what I'm afraid of. My next project needs a lot of half transparency... I tried this with transparent overlay pngs now, but in r5 I think it's not the same effect...

Vis 5 uses a premultiplied alpha system, so the pixels get multiplied with the alpha making them darker. There is absolutely no sense in using a transparent lightmap, the transparency gets ignored. You only now saw this, because the system changed how it processes alpha.

A lightmap only simulates darker or brighter areas. So it makes sense to use transparency if you don't want to have only black parts on the scene. Or I don't understand it? What can I use instead to create dusty areas or twilight corners?

because the color gets multiplied, you need to use white for "no color" and complete black for "black". 

Ok, my understanding fault. I misinterpret a 50% grey as 50% transparent. But it's a solid grey. Smoothness is therefore possible to make a "Verlauf" (I don't know an English word). That all comes from working with Photoshop grey masks and alpha-channels.

Just a tip: If the behaviour hasn't changed over the latest Visionaire versions, lightmaps also work with colors, so you are not limited to black-grey-white. Shadows look more realistic when using blueish colors.

Kleiner Tipp: Falls sich das Verhalten in den letzten Visionaire-Versionen nicht geändert hat, funktionieren auch farbige Lightmaps; man ist also nicht auf schwarz-grau-weiß beschränkt. Schatten wirken realistischer, wenn sie in Blautönen gehalten sind.

It's more a problem that transparency doesn't work in webp-formats. Definitely in my case. I don't know why not. So I will still use pngs. 

It's more a problem that transparency doesn't work in webp-formats. Definitely in my case. I don't know why not. So I will still use pngs. 

If you create a png with transparency then convert to webp (lossless) format with XnConvert then it will retain the transparency/alpha mask whatsit of the png.

Hm, I did this, but it was an earlier version of r5. Maybe it was still a bug. 

Hm, I did this, but it was an earlier version of r5. Maybe it was still a bug. 

I don't know. I just mean for images/animations in general. Marian exports them as png files from cinema4d, then I convert them to webp lossless format to import into Visionaire Studio. Should work fine with both 4.2.5 & all versions of 5.x as far as I'm aware.