Lightbulb/lights?

[Hammeroid]

Hello all,

Fairly new to 3D rendering in Autocad, hopefully someone can shed some light...

Using Autocad 2006.

I've drawn my front room (furniture etc yet to be added) and attached a few materials to the surfaces(yes the walls are that colour). Before adding the 'chandelier' I thought I'd try out the lighting. Two problems resulted.

1. To create a 'lightbulb' effect I've used a point light within a bulb shaped sphere, sphere material basically transparent. Ambient light is off.

Is this the way to go or can someone recommend a better way to create a lightbulb effect. Any tips would be greatly appreciated.

2. I've attached a 'glass' material to the windows but, as the light reflecting off the glass was a bit intense, I turned the 'reflection' property down. However, even at zero, the glass still reflects!

Can anyone explain this, suggest something?

Many thanks in advance.

[tommy]

glass will always reflect artificial light in reality, i don't know if AutoCAD actually knows that though

[Dommy2Hotty]

1. To create a 'lightbulb' effect I've used a point light within a bulb shaped sphere, sphere material basically transparent. Ambient light is off.

Is this the way to go or can someone recommend a better way to create a lightbulb effect. Any tips would be greatly appreciated.

That's how I would do it. In my opinion, your lights are too bright. I would lower their intensity and raise the ambient to get the desired light level.

[craigp]

There a couple of ways to do this and one is how Dommy says and the other is below:

Lower the ambient light to 0
create a point light as you have and lower the intensity to suit
Now add in a DISTANT LIGHT from the point in which your view is from (eg - this near wall) and erase the wall behind the view. Don't apply a shadow to this and intensity again to suit.

I have found in my rendering that if the ambient light is kept low as possible the rendering has a bit more realism. Check out my latest render in SHOWCASE, this was created using distant lights and 1 point light. Rendering in AutoCAD takes time but once you have mastered it you can have great results!