On Monday 28 March 2005 21:51, GR Kumaran wrote:
> Hi,
>
> How to create light rays effect with GIMP?  These rays are
> something like the rays reach the ground under the clouds,
> background light and that penetrate through the hole, ...
>
> I had walked through the web for some guidance/tutorial for this,
> but not yet found.  So I hope someone is here to help.
>
> Thanks in advance.
>
> R. Kumaran
> India
>
>

Hi!

I played a little, and got something that, while not photorealistic, 
is beautifull :-)

1) Create a new scratch layer. Paint in it your hole dimensions.
2) Create another scratch layer, draw straight lines coming from the 
hole in the direction you want your rays - these should be almost 
parallel, spreading a bit to  your taste. Draw these with the 
paintbrush (hold shift to draw straight lines), with varying brush 
widths and varying opacities, 
3) Select script-fu -> shadow-> drop shadow on the layer with these 
lines - select the yellow as color, and a blur radius of about 30.
(und unset the cursed "allow resizing"  button)
4) turn off the view of both scratch layers, and fine tune your result 
varying opacity on the final layer.

If you want a photorealistic result - you will have to use POVray for 
that.


Regards,

        JS
        -><-


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