Advanced Light Settings

[seriawp]

How can I manipulate light in octane like this?

IER is not a solution, they are very inconvenient and sometimes it is simply impossible to find what you need or configure.

[elsksa]

For the first one (upper right): Light properties > distribution > Spotlight node

For the second one: "Light Decay Attenuation" could be sort of achieved via Distribution as well or via the newly introduced Analytical Light which has dedicated parameters, I believe it's called Falloff Radius.

In case it may help, an Octane lighting guide.

[pxlntwrk]

Hi,
you can also use a spectron light in Analytic mode.
There are plenty of parameters in the "Analytic Light" panel that you can play with to achieve such results.

[elsksa]

Worth mentioning that the Spectron light is (originally) an efficient and versatile "all in one" volumetric light.