[osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread hesicong2006




Hi, Robert:
You added setClearDepth function to camera last few days, it works very
fine with ordinary camera. But when I try to setClearDepth with a RTT
camera, it does work.
To reproduce this BUG, I take latest SVN version of osgprerender.cpp
example to show you.
I add 
camera-setClearDepth(0);
to line 321. Default depth value is 1,and default depth function is
LESS. So if I set the value to 0, camera will render no scene because
all the depth value is NOT LESS than 0. 
But the result scene on the flag is same as before. I also modified the
value to any value between 0 and 1, the scene remain the same. So
I'm sure setClearDepth() is working for RTT camera.

My system configuration:
Nvidia Geforce 8800GTS with 174.55 driver.
Windows Server 2008




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Re: [osg-users] osgDB::writeNodeFile with derived node types

2008-05-24 Thread Robert Osfield
On Fri, May 23, 2008 at 9:47 PM, Paul Martz [EMAIL PROTECTED] wrote:
 Along the same line, what I'd like to see at some point in the future would
 be an equivalent extension mechanism for .ive. Right now, the only solution
 is to own your own .ive plugin.

 More generally, it'd be nice to have an extension mechanism available to all
 OSG plugins, not just .osg/.ive, that would allow an application to do its
 own I/O as necessary. For example, in my current project, I need to be able
 to write physics info to .dae files. Such physics-related application code
 doesn't belong in OSG and therefore doesn't belong in the OSG DAE plugin,
 yet there's no way for an app to hook into the OSG DAE plugin so that the
 app can write this info.

 Robert -- any thoughts on a design that might allow this?

This has to be a per format type extension, for instance getting the
Collada DOM instance
for an opened .dae would be the way of extending it.  One one need a
callback mechanism too I guess,
something along the lines of the present DotOsgWrapper.

The .ive format itself needs to be replaced by an extensible binary .osg format.

Robert.
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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread Robert Osfield
Hi Hesicong,

Seems I missed adding a few RenderStage::setClear*() to
CullVisitor::apply(Camera).  These are now added and checked into
SVN.

Could you let me know if things now work fine for you.

Robert.

On Sat, May 24, 2008 at 7:32 AM, hesicong2006 [EMAIL PROTECTED] wrote:
 Hi, Robert:
 You added setClearDepth function to camera last few days, it works very fine
 with ordinary camera. But when I try to setClearDepth with a RTT camera, it
 does work.
 To reproduce this BUG, I take latest SVN version of osgprerender.cpp example
 to show you.
 I add
 camera-setClearDepth(0);
 to line 321. Default depth value is 1,and default depth function is LESS. So
 if I set the value to 0, camera will render no scene because all the depth
 value is NOT LESS than 0.
 But the result scene on the flag is same as before. I also modified the
 value to any value between 0 and 1, the scene remain the same. So I'm sure
 setClearDepth() is working for RTT camera.

 My system configuration:
 Nvidia Geforce 8800GTS with 174.55 driver.
 Windows Server 2008


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Re: [osg-users] VPB creating earth model with using GTOPO30 data.

2008-05-24 Thread Robert Osfield
Hi Umit,

On Fri, May 23, 2008 at 7:36 PM, ümit uzun [EMAIL PROTECTED] wrote:
 Sorry for late reply because of my school exams. I have tried gdalinfo 
 E020N90.DEM -mm pattern and result is like this;
...
  Min=-.000 Max=5483.000   Computed Min/Max=1.000,65535.000
  Minimum=-.000, Maximum=5483.000, Mean=-4412.900, StdDev=5088.600
  NoData Value=-

 The result is showing up  NoDataValue problem like your approach. How can I 
 fix this problem, only solution is using gdal_vrt?

Well it has a NoDataValue, which suggests that VPB should be able to
pick on this values and filter them out - this works normally for most
data sets.  I do wonder of GDAL itself in interpolating values that
include the NoDataValue rather than ignoring.

I don't really have any answers though, I'd need to try out the
problem data first hand.

Robert.
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Re: [osg-users] Too much support!!!!! (UNCLASSIFIED)

2008-05-24 Thread Robert Osfield
Hi Mike,

We moved to Tracs wiki less than a year ago, after considering various
possibilities on the replacement of PmWiki.  MediaWiki was one that
was looked at but discounted.  For development projects Tracs adds
useful facilities that tools like MediaWiki don't provide.

As for editing, you just login, there is anonymous log, just follow
the Commuinity WikiLoginDetials link.  So it couldn't be more open, it
just requires people to be a little observant.

Robert.



On Fri, May 23, 2008 at 7:28 PM, Dorsett, Mike F AMRDEC/SAIC
[EMAIL PROTECTED] wrote:
 Classification:  UNCLASSIFIED
 Caveats: NONE

 Searching osg-users:
 I would say that the size of osg-users and difficulty in searching it is
 my biggest problem as well.

 Google groups:
 I didn't know there was a google groups mirror; I'll have to try that
 next time.

 Concerning the wiki:
 Mostly, it seems to cover just newbie type questions. And, if there is
 an interface to edit or to add to it, I don't see it.  I can understand
 wanting control over content; but it would be nice to see a more open
 option available. Besides the obvious wikipedia, the only wikis that
 spring in my mind are for things like games or entertainment. And, all
 the decent ones seem to use MediaWiki. But, that is not to say that's
 because of MediaWiki. It is more about the number of and level of
 commitment from their contributors.

 http://www.mediawiki.org/wiki/MediaWiki

 Not that using MediaWiki requires anonymous usage, see Citizendum for
 instance.

 http://en.citizendium.org/wiki/Main_Page

 Again, I am not saying I believe that MediaWiki to be the best software
 out there; it is just the most prolific. Obviously there is a lot:

 http://en.wikipedia.org/wiki/Comparison_of_wiki_software


 Mike Dorsett - Software Engineer - SAIC


 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Bob
 Kuehne
 Sent: Friday, May 23, 2008 12:47 PM
 To: OpenSceneGraph Users
 Subject: Re: [osg-users] Too much support!

 one reason i think people fire at the list first, perhaps, is that
 mailman is a bit difficult to use for finding data. i find the mailing
 list as-is difficult to search, esp for noobs, and sometimes even for
 oldies like me. hence, that's why i mirror the osg list (as of a year or
 so ago) on a google group. i think it makes things a lot more
 accessible, and easy to search and find answers:

  http://groups.google.com/group/osg-users

 other things, aside from asking people to rtfm, are to point people to
 the excellent quickstart guide, or the reference manual, or (shameless
 plug) get support, books, or a training (shameless plug number two:
 denver! june 11-13) from paul and me:

  http://osgbooks.com

 if all that fails, robert, and nobody on the list answers, then i think
 you can feel some obligation to answer. but you should lie back and wait
 for the built-in safeties to fail first. :)

 have a nice long weekend, peeps in the usa, bob

 On Fri, May 23, 2008 at 1:22 PM, Paul Martz [EMAIL PROTECTED]
 wrote:
 You have many good points.

 I've seen this topic come up many times in my nearly three decades of
 using countless online discussion forums. One thing I've learned: no
 matter how many resources and FAQs you make available, people, by
 their very nature, are social, and therefore value the interaction and

 networking more than quickly finding an answer to an issue.
   -Paul

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 org




 --
 bob kuehne
 founder and ceo - blue newt software
 www.blue-newt.com 734/834-2696
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 g

 Classification:  UNCLASSIFIED
 Caveats: NONE

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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread hesicong2006




OK, it works.
BTW, osgscreencapture.cpp can't compile, it says GL_STREAM_READ not
defined!

Robert Osfield wrote:

  Hi Hesicong,

Seems I missed adding a few RenderStage::setClear*() to
CullVisitor::apply(Camera).  These are now added and checked into
SVN.

Could you let me know if things now work fine for you.

Robert.

On Sat, May 24, 2008 at 7:32 AM, hesicong2006 [EMAIL PROTECTED] wrote:
  
  
Hi, Robert:
You added setClearDepth function to camera last few days, it works very fine
with ordinary camera. But when I try to setClearDepth with a RTT camera, it
does work.
To reproduce this BUG, I take latest SVN version of osgprerender.cpp example
to show you.
I add
camera-setClearDepth(0);
to line 321. Default depth value is 1,and default depth function is LESS. So
if I set the value to 0, camera will render no scene because all the depth
value is NOT LESS than 0.
But the result scene on the flag is same as before. I also modified the
value to any value between 0 and 1, the scene remain the same. So I'm sure
setClearDepth() is working for RTT camera.

My system configuration:
Nvidia Geforce 8800GTS with 174.55 driver.
Windows Server 2008


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Re: [osg-users] Too much support!!!!!

2008-05-24 Thread Robert Osfield
Too much support T many replies ;-)

Wow 13 messages in a thread within an hour or two of posting the
message.  It looks like more replies to this thread than to any of the
others threads bubbling along on osg-users right now, which perhaps is
symptom of the problem.  Thanks to those who have chased up on this
threads, it's a real help from me getting overloaded.

Most of the time the list is busy, it's just a fact of life.  As if
users not chasing up on all online resources that might help them
before they come to the list look for help.  As others have observed
this might be partly the osg-users lists being an easy route to
getting an answer, and also just plain the people are socialable
animals.  Better online resources will help a bit, but it'll only help
so far given that basic human nature is at play.  A busy mailing list
is just something we have to accept and grow to appreciate - it's one
of the key assets of the OpenSceneGraph project.

Burn out is a real problem.  This time last year I burnout my wrists
and ended up being crippled by repetitive strain injury (RSI).  At
that time it was just plain doing too many hours at the keyboard doing
support, doing major work on viewer libraries, build systems, setting
up new websites and systems...   This year my RSI is on the mend.
But... I'm struggling to keep on top of support, both on the mailing
list and submissions.

What is a struggle is the sheer range of problems that people are
requesting assistance on, multi-tasking works for a couple of
different topics, but not dozens at one time.  The last few weeks has
been an example where there has just been way too many complex and
long running topics being raised at one time.  The long each topic
takes to resolve the more likely that it'll overlap with the next
involved topic, so all to easily you end up several running
concurrently.

The problem for me of too many complex topics running concurrently is
that I often have to be a full engaged member of the discussion, while
the others working on thes topics will be likely only concerning
themselves with one or at most two topics that concern them.  As the
community expands the ability for the community itself to come up with
more complex topics to discuss goes up with it, but... since my own
input is sought for most of these topics I get further and further
stretched.   It isn't just a time issue, it's an intellectual issue -
the more you multi-task the less mental ability you available for any
of the lasts.  Stretch your abilities too far and you eventually don't
have enough ability to solve the problems in had.

I guess what we need is mutex on complex issues, be them bugs,
features or just general topics.  Once a locks acquired no other
complex topics can be raised till the case is closed and the lock is
released.  Or we thread out responsibilities so I don't need to be in
the loop on some many topics, the mutex locks would still be there,
but for dispersed over several engineers.

Robert.
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Re: [osg-users] website has broken reference guide links

2008-05-24 Thread Paul Melis
The links with /pmwiki.php in them refer to the previous version of the 
OSG website (running pmwiki).

It's unfortunate that Google still has links to those pages.
But it's even more unfortunate that it is still online...

Start from www.openscenegraph.org and try to search on your subject 
their using the search box.


Paul


Somerville, Andrew wrote:

Are there two versions of the website still active?   When I go to the page 
directly I see not frame set... when it get to it via some google links the old 
format is there. (Complete with previously mentioned broken links).

Can the old one be removed completely to avoid problems?

 Andy


-Original Message-
From: [EMAIL PROTECTED] on behalf of Somerville, Andrew
Sent: Fri 5/23/2008 1:58 PM
To: osg-users@lists.openscenegraph.org
Subject: [osg-users] website has broken reference guide links
 
Apropos to the Support discussion,


Randomly I was looking on the site today for reference stuff and notice that if 
you try to navigate to them via the left hand tree menu, almost all of the 
reference guides are broken links.

example:

http://www.openscenegraph.org/osgwiki/pmwiki.php/ReferenceGuides/OsgDB


Andy




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[osg-users] Remove old wiki from Google?

2008-05-24 Thread Paul Melis
It seems the old pmwiki is still being indexed by Google. Isn't time to 
clean this up? Currently searching for openscenegraph download returns 
as top hit the download page for 2.0 on the previous wiki!


I seem to recall that Google has an option to retire a set of URLs 
from their database. This would at least make sure that nobody can find 
the old website anymore through Google. After googling a bit on uh 
google it seems you can place a robots.txt file with some required 
parameters in it to control how google crawls your site. Another option 
would be to request the pmwiki URL to be removed from the google index 
through the Google Webmaster Tools.


Paul
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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread Robert Osfield
On Sat, May 24, 2008 at 9:45 AM, hesicong2006 [EMAIL PROTECTED] wrote:
 OK, it works.
 BTW, osgscreencapture.cpp can't compile, it says GL_STREAM_READ not defined!

Pesky windows headers...

Could you try an svn update to see if the #define's I've added solve things.

Robert.
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Re: [osg-users] website has broken reference guide links

2008-05-24 Thread Stephan Huber
Paul Melis schrieb:
 The links with /pmwiki.php in them refer to the previous version of the
 OSG website (running pmwiki).
 It's unfortunate that Google still has links to those pages.
 But it's even more unfortunate that it is still online...

Is there a chance to update the robots.txt file, so all access to
/pmwiki.php gets denied? Submitting the modified robots.txt to google
will clear these old results from the google cache and prevent
reindexing them.

cheers,
Stephan
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[osg-users] How to control Animation Speed?

2008-05-24 Thread xyc508
Hello,all

I build a model with animation in it use 3ds max,but in osg application(Load 
the model .ive as a node),the animation's speed is too fast, I want use 
language to set it's speed down, could anyone tell how to control Animation 
Speed ?Thanks.

Regards

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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread hesicong2006




But, another problem. After fix setClearDepth problem, RTT camera
setClearColor doesn't work!!! 
I modified osgprerender.cpp line 319, from 
camera-setClearColor(osg::Vec4(0.1f,0.1f,0.3f,1.0f));
to
camera-setClearColor(osg::Vec4(1,0,0,1));
but the background color do not change.
Please check it, thanks!

Robert Osfield wrote:

  On Sat, May 24, 2008 at 9:45 AM, hesicong2006 [EMAIL PROTECTED] wrote:
  
  
OK, it works.
BTW, osgscreencapture.cpp can't compile, it says GL_STREAM_READ not defined!

  
  
Pesky windows headers...

Could you try an svn update to see if the #define's I've added solve things.

Robert.
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Re: [osg-users] website has broken reference guide links

2008-05-24 Thread Paul Melis

Stephan Huber wrote:

Paul Melis schrieb:
  

The links with /pmwiki.php in them refer to the previous version of the
OSG website (running pmwiki).
It's unfortunate that Google still has links to those pages.
But it's even more unfortunate that it is still online...



Is there a chance to update the robots.txt file, so all access to
/pmwiki.php gets denied? Submitting the modified robots.txt to google
will clear these old results from the google cache and prevent
reindexing them.
  

I suggested something like this in a separate post a few hours ago.

Paul
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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread hesicong2006




I just change line 1308 and 1312 to previous version and things works
ok. I don't know why you switch the two lines. I attached my version of
CullVisitor.

hesicong2006 wrote:

  
  
But, another problem. After fix setClearDepth problem, RTT camera
setClearColor doesn't work!!! 
I modified osgprerender.cpp line 319, from 
camera-setClearColor(osg::Vec4(0.1f,0.1f,0.3f,1.0f));
to
camera-setClearColor(osg::Vec4(1,0,0,1));
but the background color do not change.
Please check it, thanks!
  
Robert Osfield wrote:
  
On Sat, May 24, 2008 at 9:45 AM, hesicong2006 [EMAIL PROTECTED] wrote:
  

  OK, it works.
BTW, osgscreencapture.cpp can't compile, it says GL_STREAM_READ not defined!



Pesky windows headers...

Could you try an svn update to see if the #define's I've added solve things.

Robert.
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Re: [osg-users] OSG 2.5 and cmake

2008-05-24 Thread Philip Lowman
On Wed, May 21, 2008 at 10:50 AM, [EMAIL PROTECTED] wrote:


 Sorry if this has come up before...
 I'm attempting to compile OSG 2.5 and when I do the ./configure, I get:
 CMake Error: Error in cmake code at
 /OSG_PATH/OSG_OP_OT-2.5/OpenSceneGraph-2.5.0/CMakeLists.txt:214:
 INCLUDE Could not find include file: FindPkgConfig
 Current CMake stack:
 /OSG_PATH/OSG_OP_OT-2.5/OpenSceneGraph-2.5.0/CMakeLists.txt;/OSG_PATH/cmake-2.4.6-Linux-i386/share/cmake-2.4/Modules/CMakeCInformation.cmake;/OSG_PATH/cmake-2.4.6-Linux-i386/share/cmake-2.4/Modules/CMakeCXXInformation.cmake;/OSG_PATH/OSG_OP_OT-2.5/OpenSceneGraph-2.5.0/FindPkgConfig
 CMake Error: Error in cmake code at
 /OSG_PATH/OSG_OP_OT-2.5/OpenSceneGraph-2.5.0/CMakeLists.txt:216:
 Unknown CMake command PKG_CHECK_MODULES.
 -- Configuring done
 When I look in the cmake 2.4.6 directory, I don't see a file called
 FindPkgConfig... However, if I look in CMAKE 2.6, I see such a file...  The
 readme for OSG says it needs 2.4.6 or newer.. Did this requirement change.
 It seems that a change was made to CMakeLists.txt in early May which causes
 this include to now be used.


This is a bug in OSG's build scripts.

Since OSG is now using PKG_CHECK_MODULES (which was introduced in CMake
2.4.7) someone should either:

  1. Bump CMAKE_MINIMUM_REQUIRED() to 2.4.7 at the top of the root
CMakeLists.txt file to provide a more friendly warning for users that they
need a newer version, or
  2. Add checks around the usage of PKG_CHECK_MODULES.  People using the
older versions of CMake prior to 2.4.7 would not be able to link against the
new dependencies but they would still be able to configure and build without
error.

FIND_PACKAGE(PkgConfig)

IF(PKG_CONFIG_FOUND)
   # use pkg_check_modules()
ENDIF(PKG_CONFIG_FOUND)

-- 
Philip Lowman
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[osg-users] RE : Re: osg::ref_ptr difficulties

2008-05-24 Thread Franclin Foping
Hi,
 I have described referenced pointers in depth in my tutorials published on the 
official wiki. Have a look at the dedicated tutorial and let me know if you are 
still stuck!
Franclin.

Peter Hrenka [EMAIL PROTECTED] a écrit : Hi Vincent,

Vincent Bourdier schrieb:
 Hi all,
 
 I'm making some function to modify graph after some operation, and so I 
 need to call some simple actions in functions.
 
 The problem is about ref_ptr :
 
 I need to do this :
 
 osg::ref_ptr mygroup;
 [..]
 mygroup = NULL;
 [...]
 
 
 To do that in a function, I use someting like :
 addonstack(mygroup, NULL); //prototype is : 
 addonstack(osg::ref_ptr caller, osg::Node* arg1);
 
 which did this :
 osg::ref_ptr nd = dynamic_cast(caller.get());
 if(nd.get()){
 nd =arg1;
 
 But, the problem is that it doesn't change anything... I need, without 
 making some modifications in the addonstack prototype, a way to put the 
 ref_ptr to NULL .
 
 Any idea ?
 Thanks.

The addonstack function gets its own copy of the ref_ptr,
so it cannot modify the original ref_ptr.

To change the original ref_ptr you must change the signature to
addonstack(osg::ref_ptr caller, osg::Node* arg1);

But the code above (with the ref_ptr called nd) will still not
work, since this is yet another copy of caller. You use the
reference caller directly, e.g.
caller = arg1;

 Regards,
 Vincent.

Hope this helps

Peter

 
 
 
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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread hesicong2006




But, another problem. After fix setClearDepth problem, RTT camera
setClearColor doesn't work!!! 
I modified osgprerender.cpp line 319, from 
camera-setClearColor(osg::Vec4(0.1f,0.1f,0.3f,1.0f));
to
camera-setClearColor(osg::Vec4(1,0,0,1));
but the background color do not change.
Please check it, thanks!

Robert Osfield wrote:

  Hi Hesicong,

Seems I missed adding a few RenderStage::setClear*() to
CullVisitor::apply(Camera).  These are now added and checked into
SVN.

Could you let me know if things now work fine for you.

Robert.

On Sat, May 24, 2008 at 7:32 AM, hesicong2006 [EMAIL PROTECTED] wrote:
  
  
Hi, Robert:
You added setClearDepth function to camera last few days, it works very fine
with ordinary camera. But when I try to setClearDepth with a RTT camera, it
does work.
To reproduce this BUG, I take latest SVN version of osgprerender.cpp example
to show you.
I add
camera-setClearDepth(0);
to line 321. Default depth value is 1,and default depth function is LESS. So
if I set the value to 0, camera will render no scene because all the depth
value is NOT LESS than 0.
But the result scene on the flag is same as before. I also modified the
value to any value between 0 and 1, the scene remain the same. So I'm sure
setClearDepth() is working for RTT camera.

My system configuration:
Nvidia Geforce 8800GTS with 174.55 driver.
Windows Server 2008


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Re: [osg-users] BUG: RTT camera setClearDepth function doesn't work

2008-05-24 Thread hesicong2006




But, another problem. After fix setClearDepth problem, RTT camera
setClearColor doesn't work!!! 
I modified osgprerender.cpp line 319, from 
camera-setClearColor(osg::Vec4(0.1f,0.1f,0.3f,1.0f));
to
camera-setClearColor(osg::Vec4(1,0,0,1));
but the background color do not change.
I just change line 1308 and 1312 to previous version and things works
ok. I don't know why you switch the two lines. I attached my version of
CullVisitor.
Please check it, thanks!

Robert Osfield wrote:

  Hi Hesicong,

Seems I missed adding a few RenderStage::setClear*() to
CullVisitor::apply(Camera).  These are now added and checked into
SVN.

Could you let me know if things now work fine for you.

Robert.

On Sat, May 24, 2008 at 7:32 AM, hesicong2006 [EMAIL PROTECTED] wrote:
  
  
Hi, Robert:
You added setClearDepth function to camera last few days, it works very fine
with ordinary camera. But when I try to setClearDepth with a RTT camera, it
does work.
To reproduce this BUG, I take latest SVN version of osgprerender.cpp example
to show you.
I add
camera-setClearDepth(0);
to line 321. Default depth value is 1,and default depth function is LESS. So
if I set the value to 0, camera will render no scene because all the depth
value is NOT LESS than 0.
But the result scene on the flag is same as before. I also modified the
value to any value between 0 and 1, the scene remain the same. So I'm sure
setClearDepth() is working for RTT camera.

My system configuration:
Nvidia Geforce 8800GTS with 174.55 driver.
Windows Server 2008


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[osg-users] How to control Animation in .ive speed?

2008-05-24 Thread xyc508
Hello,all

I build a model with animation use 3ds max,export as a .ive file,loaded in osg 
application as a node,but the animation is too fast,could any tell how to 
control it's speed or give any help? Thanks.

Regards
Donlin___
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