Thursday, 2 February 2017

Lighting and render tests




These were the first spotlight tests I tried for our Eco brief idea using Rendermans disk lights. I used three different Renderman materials; glass, metal and diffuse to see which would be most preferred on our robot character. The intensity on the first render wasn't bright enough so I increased the intensity and exposure but the edge of the spotlight on the ground was too harsh. To fix this I adjusted the softness of the cone angle. I wasn't happy with the colour of the light or the fact that the cone of light wasn't visible.





I enabled colour temperature and changed it to make the lights warmer and I watched some tutorials on volumetric and atmospheric lighting to find out which would be the best method of making the cone of light visible. I thought fog would work best so I watched some tutorials on how to make this work. I decided on using fog however when rendered the objects barely showed up so I decreased the density which worked really well. However the second image doesn't show the render very well. When it was rendered the image showed up really well but the export didn't show it as it looked in the render. I think I'll have a go at rendering it again and exporting as different file types to see if that shows it better.

When rendered out again and exported as a png this is how it looks:


Still not the same as how the render looks and the background is no longer black which means I
would have to add a wall.
It look right when exported as a tiff however I cannot upload the tiff file as it's not won't allow me to but here is a screenshot of how the tiff saved in comparison to how it should look.
(screenshot of tiff)

(screenshot of render)

There is also too much noise in the picture, I had a look at the "denoise" setting but it didn't work so I'll need to have a look at the settings to try and clear it up better. 

No comments:

Post a Comment