Great, thanks for letting us know.

Lucy
On 16 Dec 2014 10:48, "Steve Newbold" <[email protected]> wrote:

> Hi Lucy,
>
> Yup, that all makes sense and works fine now.
>
> Cheers,
> Steve
>
> ------------------------------
> *From: *"Lucy Wilkes" <[email protected]>
> *To: *"Nuke plug-in development discussion" <
> [email protected]>
> *Sent: *Thursday, 11 December, 2014 11:05:32 AM
> *Subject: *Re: [Nuke-dev] Blink cross() function not working? (repost)
>
> Hi Steve,
>
> This is an error in the documentation - it should specify that the cross
> function is only defined for vectors with three components, i.e.:
>
> *  vec3 cross(vec3 a, vec3 b);   //Returns the cross product of vector *a*
> with vector *b*.*
>
> (This is because mathematically, the cross product is only defined for
> vectors in three-dimensional space).
>
> Sorry for the confusion - we'll update the documentation to make this
> clear. Please let us know though if you still have problems when dst(), A()
> and B() are all three-component vectors.
>
> Regards,
> Lucy
>
> On Thu, Dec 11, 2014 at 10:19 AM, Steve Newbold <[email protected]> wrote:
>
>>  Hi,
>>
>> Reposting this from the nuke-users list as maybe this is more a question
>> for the guys in the dev list.
>>
>> Using the BlickScript node in Nuke 8.0v6, the following works (A & B are
>> input images),
>>
>> *dst() = dot(A(), B());*
>>
>>
>> but this doesn't,
>>
>>
>> *dst() = cross(A(), B());*
>>
>>
>> and I got the following error message,
>>
>>
>> *Error compiling kernel: Error at line:30 no matching function for call
>> to 'cross'*
>>
>>
>> The Blink docs have this,
>>
>>
>> *scalar dot(vec a, vec b);  //Returns the dot product of vector *a* with
>> vector *b*.*
>> *vec cross(vec a, vec b);   //Returns the cross product of vector *a*
>> with vector *b*.*
>>
>>
>> So I'm not sure what is wrong with cross() or whether I'm using it
>> incorrectly.
>>
>>
>> Cheers,
>> Steve
>>
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>>
>>
>
>
> --
> Lucy Wilkes
>
> Senior Software Engineer
> The Foundry
> 5 Golden Square, London, W1F 9HT
> Tel: +44 (0)20 7479 4350
> Web: www.thefoundry.co.uk
> Email: [email protected]
>
>
> The Foundry Visionmongers Ltd.
> Registered in England and Wales No: 4642027
>
>
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