[Bf-cycles] Zero-Angled Spotlight?

[Zauber Paracelsus]

The "Is Volume Scatter" output does not appear to exist on the Light 
Path node.

On 09/01/2015 11:01 AM, Mohamed Sakr wrote:
> with a light path node, give a mix with "is volume scatter?" , the 
> other shader is a transparent node set to white "totally ignored"
>
> On Tue, Sep 1, 2015 at 4:51 PM, Zauber Paracelsus <zauber at gridmail.org 
> <mailto:zauber at gridmail.org>> wrote:
>
>     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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