[Sidefx-houdini-list] shop_materialpath error message

Javier MeroƱo javiermerono at hotmail.com
Thu May 17 07:48:41 EDT 2018


Hi,

If it's just the error warning that bugs you, I'm wondering if you could make the error "silent" with a expression similar to
if(strmatch("*Error:*", etc...
Can't test that now. Just throwing in the idea...

Javier.
________________________________
From: Sidefx-houdini-list <sidefx-houdini-list-bounces at sidefx.com> on behalf of Floyd Gillis <floyd at afcg.com>
Sent: Thursday, May 17, 2018 9:30:06 AM
To: Jordan Walsh; sidefx-houdini-list at sidefx.com
Subject: Re: [Sidefx-houdini-list] shop_materialpath error message

Hi Jordan,

Yes, once the file is open it does work OK.

It's just "annoying" and looks bad when someone else goes to use it.

Thanks,

Floyd



On 5/17/18 4:02 PM, Jordan Walsh wrote:
> Once the file is opened does it work ok?
> If so, i always thought this type of warning was just an order of
> execution thing. So when the file loads the expression is evaluated
> before houdini manages to load your material node. I could be wrong
> but i have had heaps of those types of errors that don't really break
> the scene.
> No idea if there is a better way of dealing with it though!
> Jordan
>
> On Thu, 17 May 2018, 6:10 am Floyd Gillis, <floyd at afcg.com
> <mailto:floyd at afcg.com>> wrote:
>
>     Hello list,
>
>     Getting an annoying error message when putting an expression in the
>     "shop_materialpath" field of an object.
>
>     Example: `chs("obj/CONTROLS/shad_path")`/my_shader_name
>
>     Where: "shad_path" is a string being set in "/obj/CONTROLS"
>
>     The expression is expanding correctly, the material is being read and
>     displayed correctly in the viewport, and is rendering correctly
>     with mantra.
>
>     But, on starting-up houdini I always get something like...
>
>     /Load warnings for test.hip//
>     //Warning: Bad parameter reference: "obj/CONTROLS/shad_path" in
>     parameter /obj/test/shop_materialpath.
>     /
>     Is there something different about string formatting in the
>     "shop_materialpath" field?
>     Any suggestions as to why I'm getting the error messages?
>
>     Thanks for any info.
>
>     Floyd
>
>     P.S.  I am simplifying this example a bit... all the elements are
>     in on OTL.
>     Houdini FX Version 16.5.463 on linux
>
>
>
>
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