[Sidefx-houdini-list] Random texture per polygon.

Olivier Jeannel facialdeluxe at gmail.com
Mon Feb 15 12:27:58 EST 2016


Ah ! Thank you ! It is working well :)
I have another question :
Would it be possible to do this in shop vop using that map attribute ?


On Mon, Feb 15, 2016 at 5:18 PM, fsimerey <simerey at di-m.com> wrote:

> Hi,
> in the material node, add a Local Overrives, pick a material, then in
> 'Choose Parameter', select 'Color Map'.
> The parameter name would become dif_map.
> Then in the string field, enter your expression.
>
> Francois
>
> ------------------------------------------------------------------------
>
> François SIMEREY
> fs at fsimerey.com
> +33 06 30 41 25 58
>
> fsimerey.com <http://fsimerey.com>
> 24, rue du groupe Manouchian
> 75020 PARIS - FRANCE
>
> ------------------------------------------------------------------------
>
> On 02/15/2016 05:07 PM, Olivier Jeannel wrote:
>
>> Hi list,
>>
>> Let's say I have a directory with 100 images named toto_$F.jpg (from 1 to
>> 99).
>> I'd like to have each polygon picking a texture randomly.
>>
>> I've searched the web and managed to have the UV per polygon setted
>> correctly.
>>
>> Following an Odforce thread, I created a Primitive String attribute named
>> "map"
>>
>> toto_`floor(rand($PR)*2.999)+1`.jpg    (testing on 3 pictures)
>> I can see in the geometry spreadsheet that it is working well, each
>> primitive has either a toto_1.jpg or toto_2.jpg or toto_3.jpg map
>> attribute
>> attached
>>
>> But can someone explain how to tell Houdini to use that "map" attribute in
>> the base color map ?
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