[Bf-cycles] Zero-Angled Spotlight?

[Constantin Rahn]

It's not possible with cycles, but it's available in Luxrender 1.4+ and 
an area light with "laser on".
http://www.luxrender.net/forum/viewtopic.php?f=16&t=11572

http://www.luxrender.net/forum/viewtopic.php?f=12&t=11533
"- add constantinfinite, laser lights"

Sorry for pointing to other FOS software in the cycles ML. ;)


Am 01.09.2015 um 16:51 schrieb Zauber Paracelsus:
> The problem with that, however, is that the laser would be visible when
> it is not passing through the mist as well.
>
>
>
> On 09/01/2015 10:48 AM, Mohamed Sakr wrote:
>> actually this is not possible with lights, your only solution is a
>> cylinder object "acting as your laser light" , and put an emission
>> node in the volume output "leave surface empty"
>>
>> On Tue, Sep 1, 2015 at 4:42 PM, Zauber Paracelsus <zauber at gridmail.org
>> <mailto:zauber at gridmail.org>> wrote:
>>
>>     Would it be possible to change the minimum angle width of a spotlight
>>     from one degree to zero?  I was tinkering with a scene filled with
>>     mist,
>>     and wanted to create the effect of laser lights transmitting through
>>     mist, which would scatter their light and make the beam visible.  The
>>     closest light I could think of that would produce the effect was a
>>     spotlight, but due to its minimum angle width of 1 degree, I am
>>     not sure
>>     if I can accomplish the effect.
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>>
>>
>>
>>
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>
>
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