LuxCoreRender Forums

Hi, My bad, I was wrong. Sorry... Yes the illuminance should be 1lx in 1m distance (in your case only in plane's centre point). Of course the area of the unit sphere is this 4pi m^2... 4pi lm/4pi m^2 = 1 lx I'm still not convinced that the illuminance calculated in luxcore right, but I'll run some ...

the right photometry for that is: A point light source emits an intensity of 1 cd into the full space. The solid angle for full space is defined as 4*Pi. So this 1cd (lm/sr) multiplied with the solid angle of 4Pi is the amount of that is emitted. Its around 12.57 lm (lumen). Now just devide it by s...

This is what I have found. For the red and innermost contour to be exactly at the center and which correspond to 1 lux the Scale has to be set at 3.14159 or exactly the value of PI. zoom.jpg This is the math function: z*Tan[ArcCos[lux^(1/3) z^(2/3) where lux = lux + 1/19 until lux = 1; z = 1 the dis...

I'm trying to check the Irradiance Contour Lines will make on the XY plane (10mx10m) when illuminated by a 1 Candela Point Light source at 1 meter distance and perpendicular to center of the plane. My understanding or assumptions are as follows: * Luxcore Luminous Efficiency is 179 lm/W * The Lux va...

The linked thread talks about running LuxCore from plain Python, outside Blender. It is something for developers, to use LuxCore alone. If you are not a developers, you should probably stay away from that kind of stuff because it requires coding experience. I just wanted to copy and paste sample Lu...

Hi, I really like to see the illuminance values along with the illuminance contour in my own designs such as this image. B5SuaNaCEAAdf_D.jpeg However I cannot find anything that would allow this except through Scripts in Blender but I don't know how to write one. I copied and pasted the pyluxcore.px...

I don't have knowledge in programming but trying to follow online instructions to test out but the output doesn't match. Snap15.jpg I expect the output should be these: "Help on package pyluxcore: NAME pyluxcore - LuxCoreRender Python bindings DESCRIPTION Provides access to the LuxCoreRender AP...