[osg-users] Pruning content

[Jeremy]

Excellent thanks. Looks like that's called in place of the default read
implementations how would one invoke the default read functions and then do
my filtering afterwards

On Mon, Dec 14, 2015, 8:33 AM Trajce Nikolov NICK <
trajce.nikolov.nick at gmail.com> wrote:

> Hi Jeremy,
>
> >How would you do this with respect to the pager? I don't see a mechanism
> to inject a custom visitor to the pager to modify loaded content, ideally
> before caching to the file cache.
>
> Actually there is a way. You can use database read callback and have your
> visitor do stuff with the model when a tile/file is read in (paged in).
> Have a look at:
>
> osgDB::Registry::instance()->setReadFileCallback
> osgDB::Registry::ReadFileCallback
>
> Nick
>
> On Mon, Dec 14, 2015 at 3:03 PM, Jeremy <jswigart at gmail.com> wrote:
>
>> What's the preferred method of loading a model, for example an open
>> flight model, and pruning it of unneeded data? I assume that would be by
>> making a custom visitor that modifies the hierarchy. Is that correct?
>>
>> How would you do this with respect to the pager? I don't see a mechanism
>> to inject a custom visitor to the pager to modify loaded content, ideally
>> before caching to the file cache. I'm inclined to add a custom visitor
>> pointer to the options class like a "postLoad" to post process the models
>> in a way that is compatible with the pager and file caching. Does that seem
>> reasonable? Did I miss any alternative methods?
>>
>> _______________________________________________
>> osg-users mailing list
>> osg-users at lists.openscenegraph.org
>> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>>
>>
>
>
> --
> trajce nikolov nick
> _______________________________________________
> osg-users mailing list
> osg-users at lists.openscenegraph.org
> http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openscenegraph.org/pipermail/osg-users-openscenegraph.org/attachments/20151214/c2945c83/attachment-0003.htm>