[Sidefx-houdini-list] HDK: op:/ magic

Szymon Kapeniak szymon.kapeniak at gmail.com
Wed Jan 19 07:39:55 EST 2011


thanks Mark,
but how about custom vex dso? My func() opens file from disk, but
doesn't handle op: syntax. Is it doable in custom code?

thanks,
skk.

2011/1/19 Mark Elendt <mark at sidefx.com>:
> Unfortunately, at the current time op: is handled as a special case,
> so it's not part of the generalized loader.
>
> You'll have to reference the geometry directly (i.e. cook the SOP).
> If you need your own copy, you'll have to merge it.
>
> On the other hand, opdef: is handled properly.
>
> On Wednesday Jan 19 at 12:11, Olex P wrote:
>> Maybe you right Szymon. Most of the usage of op: syntax for me was sampling
>> from point clouds/volumes/textures and I have never tries to load geometry
>> using op: syntax. File SOP doesn't work with it and I think it's because of
>> the fact that load() expects a proper file format. Would be great to hear
>> about this from SESI.
>>
>> On Wed, Jan 19, 2011 at 11:58 AM, Szymon Kapeniak <szymon.kapeniak at gmail.com
>> > wrote:
>>
>> > hi Olex,
>> > thanks for fast response. Well, I must be doing something stupid,
>> > because it doesn't.
>> >
>> > GU_Detail gdp;
>> > const char *file   = (const char *) argv[1];
>> > if (gdp.load(file, 0) < 0) return ;
>> > ...
>> >
>> > while works fine with disk paths, doesn't work with op:/'ed one.
>> >
>> >
>> > 2011/1/19 Olex P <hoknamahn at gmail.com>:
>> > > Hi Szymon,
>> > >
>> > > I don't think that you need any magic. op: syntax has to be handled
>> > > automagically when you using
>> > >
>> > > [code]virtual int          load(const char *, const UT_Options
>> > > *options);[/code]
>> > >
>> > > method.
>> > >
>> > > On Wed, Jan 19, 2011 at 11:41 AM, Szymon Kapeniak <
>> > szymon.kapeniak at gmail.com
>> > >> wrote:
>> > >
>> > >> greetings!
>> > >>
>> > >> what is a magic to let  my GU_Detail class to ::load() both files from
>> > >> disk as operator's streams with op:/path syntax? I can see load()
>> > >> with an UT_IStream as argument, but I have no idea how to use it. Does
>> > >> any of UT_Stream versions handle both files and steams or the logic is
>> > >> on my side?
>> > >>
>> > >> thanks,
>> > >> skk.
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> --
> Mark Elendt
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