[Sidefx-houdini-list] Houdini OGL viewports

jordibares jordibares at the-mill.com
Tue May 22 12:19:43 EDT 2007


http://www.jordibares.co.uk/tmp/viewportcomparision.jpg


On 22/5/07 16:55, "Simon Barrick" <simon at primalpictures.com> wrote:

> Actually, now I look closely, when the sphere is viewed so that the
> "horizon" of the grid is visible and all the grid lines merge into a
> grey mass then they look like they are in front, but once the individual
> lines become apparent then it is ok. Is that what you mean?
> 
> 
> -----Original Message-----
> From: sidefx-houdini-list-bounces at sidefx.com
> [mailto:sidefx-houdini-list-bounces at sidefx.com] On Behalf Of Simon
> Barrick
> Sent: 22 May 2007 16:53
> To: sidefx-houdini-list at sidefx.com
> Subject: RE: [Sidefx-houdini-list] Houdini OGL viewports
> 
> 
> Works in wireframe too for me. The wires for the top half of the sphere
> are drawn over the lines in the grid whilst for the lines in the bottom
> of the sphere the grid is drawn over them. Or do you mean something
> completely different?
> 
> 
> -----Original Message-----
> From: sidefx-houdini-list-bounces at sidefx.com
> [mailto:sidefx-houdini-list-bounces at sidefx.com] On Behalf Of jordibares
> Sent: 22 May 2007 16:53
> To: <sidefx-houdini-list at sidefx.com>
> Subject: Re: [Sidefx-houdini-list] Houdini OGL viewports
> 
> 
> On 22/5/07 13:54, "Peter Robbinson" <probbins at sympatico.ca> wrote:
> 
>> > Are you by chance looking in wireframe? If so, the opengl doesn't use
>> > a depth que to determine the location of the "wires". In an ortho view
> 
>> > that should be fine, but in perspective it can be a bit confusing. In
>> > shaded view though everything should be fine.
> 
> That is what I noticed... So it is not possible? This is what I see in
> XSI and how I would I see it in HOUDINI.
> 
> 
> 
> As you can see the viewport in Houdini is very very distracting because
> the grid is OVER the sphere... If this is not a bug/driver issue, my
> feeling and suggestion is to change it toward the xsi style.
> 
>> >
>> > Could you fill us in on the general reason why the current project is
>> > better handled in Houdini and how you determined that. Without of
>> > course giving anything away.
>> >
> 
> Building this in Maya/XSI would mean to write a custom plugin that
> builds more than 600 objects with hundreds of elements each (a challenge
> in itself
> already) and textures them based on a sequence of footage, making sure
> we can change anytime animation, number of objects, number of elements.
> 
> Basically a big investment (around 2 months development 1 person) that
> once is used has to go to the bin as this is not going to happen again.
> In 2 weeks we already have it working btw.
> 
>> > And this list, along with the forum and Odforce are fantastic places
>> > to get answers. I've never met a more generous and knowledge set of
>> > people. Ask away.
>> >
> Thanks, I sure will ask  ;-)
> 
> jb
> 
>> > cheers, PeterR
>> >
>> > On Tue, 2007-05-22 at 11:53 +0100, jordibares wrote:
>>> >> I will have a look at this drivers thing... :-/     thanks so much.
>>> >>
>>> >>
>>> >> Yes, we are pushing this very seriously now after many failed
>>> >> attempts and got a 2nd master license to help in this current
>>> >> project, a project that simply could not be done with Maya or XSI
>>> >> without a big software development investment while in Houdini is
>>> >> "just" lego-work.
>>> >>
>>> >> The thing is that we are going to need a bit of help (at the moment
>>> >> we have a freelancer helping us) but I will take the advantage of
>>> >> this thread to invite all of you that could be interested in helping
>>> >> us in future projects.
>>> >>
>>> >> Thx
>>> >> jb
>>> >> 
>>> >>
>>> >>
>>> >> On 22/5/07 11:13, "Peter Bowmar" <pbowmar at gmail.com> wrote:
>>> >>
>>>> >>> Hey Jordi,
>>>> >>>     Nice to hear another London facility is taking the Houdini
>>>> >>> plunge
>>>> >>> :) Sorry, I don't understand your construction plane question... It
>>>> >>> looks right to me, in that if the sphere is above the c-plane, then
>>>> >>> you see the sphere, if the sphere is below the c-plane then you see
>>>> >>> the cplane over top of the sphere. Like XSI maybe?
>>>> >>>
>>>> >>> Cheers,
>>>> >>>
>>>> >>> peter B
>>>> >>>
>>>> >>> On 22/05/07, jordibares <jordibares at the-mill.com> wrote:
>>>>> >>>> Hi all, just a simple question
>>>>> >>>>
>>>>> >>>> As we are jumping in our full fledged production with Houdini a
>>>>> >>>> number of things I am of course adapting to and others I just feel
>>>>> >>>> are not right.
>>>>> >>>>
>>>>> >>>> Is any way the construction plane is painted correctly? I mean, if
>>>>> >>>> you get an sphere in your scene and you look top-down the bottom of
> 
>>>>> >>>> the sphere should be painted under the construction plane (opengl
>>>>> >>>> painting I mean) while the top of the grid should be painted over
>>>>> >>>> this construction plane.
>>>>> >>>>
>>>>> >>>> Is any preferences for this behavior?
>>>>> >>>>
>>>>> >>>> Funny enough in Maya the object is always painted OVER the
>>>>> >>>> construction plane but in XSI it is depending of where those points
> 
>>>>> >>>> lay in space (which I feel is very wise)
>>>>> >>>>
>>>>> >>>>
>>>>> >>>> Thanks a lot
>>>>> >>>> jb
>>>>> >>>>
>>>>> >>>> _______________________________________________
>>>>> >>>> Sidefx-houdini-list mailing list Sidefx-houdini-list at sidefx.com
>>>>> >>>> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
>>>>> >>>>
>>>> >>> _______________________________________________
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>>>> >>> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
>>> >>
>>> >> _______________________________________________
>>> >> Sidefx-houdini-list mailing list Sidefx-houdini-list at sidefx.com
>>> >> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
> 
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