Re: [osg-users] exception fault with readnodefile

David _ Tue, 22 May 2007 07:07:25 -0700

i´ll check your prj settings Chris, once again thx for your help

From: "David _" <[EMAIL PROTECTED]>
Reply-To: osg users <[email protected]>
To: [email protected]
Subject: Re: [osg-users] exception fault with readnodefile
Date: Tue, 22 May 2007 16:05:26 +0200

Hi again, i´m working now with an example from the osg quickstart guide. It´s a really easy example and i´ve not written anything myself, just copied from the example, and again i´m having an exception fault with this line, being root a valid node previously filled with geometry data

bool result = osgDB::writeNodeFile(*(root.get()), "Simple.osg" );

don´t know if it´s something related to a compilation option or if i´m doing something wrong. The project is made under visual .net win console aplication and everything compile fine using osg1.2 precompiled libs for windows

please, someone help me :(

From: "David _" <[EMAIL PROTECTED]>
Reply-To: osg users <[email protected]>
To: [email protected]
Subject: Re: [osg-users] exception fault with readnodefile
Date: Tue, 22 May 2007 15:29:02 +0200

Hi Chris, thx for answering, but the file path is ok. I put the file in the root folder before posting here to make sure the path was ok and still happens the same

i´ve made a win32 console aplication, included the precompiled head files and libs and trying to do this simple example

// Create a Producer-based viewer

osgProducer::Viewer viewer;

viewer.setUpViewer (osgProducer::Viewer::STANDARD_SETTINGS);

// Load the model

std::string rp = "C:\\cow.osg";

//osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(rp);

osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile("c:/cow.osg");

//osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(argv[1]);

if (!loadedModel)

{

std::cerr << "Problem opening " << argv[1] << "\n";

exit (1);

}

viewer.setSceneData (loadedModel.get());

// Enter rendering loop

viewer.realize();

while (!viewer.done())

{

// Wait for all cull and draw threads to complete.

viewer.sync();

// Update the scene by traversing it with the the update visitor which

// will call all node update callbacks and animations.

viewer.update();

// Fire off the cull and draw traversals of the scene.

viewer.frame();

}

// Wait for all cull and draw threads to complete before exit.

viewer.sync();

return 0;

i´ve tried several ways in order to check that the path is ok ("c:\\cow.osg". "c:/cow.osg", etc);, i don´t think that´s the problem, maybe i´m doing something wrong with the visual .net and not setting an option like it should

From:  "christophe loustaunau" <[EMAIL PROTECTED]>
Reply-To:  osg users <[email protected]>
To:  "osg users" <[email protected]>
Subject:  Re: [osg-users] exception fault with readnodefile
Date:  Tue, 22 May 2007 15:12:08 +0200

Hi david,

There is no error with :

osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile("cow.osg");

but make sure you give the good location for cow.osg.

I mean :

osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(""C:/...../cow.osg");

Hope this help.

Christophe.

2007/5/22, David _ <[EMAIL PROTECTED]>:

Hi

i´m using 1.2 osg version and trying to load a model from disk under windows
visual .net c++

this line is causing exception fault

osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile("cow.osg");

i´m receiving this message
-- --Excepción not controlled in 0x7c81eb33 en pruebaosg.exe
: Exception of
Microsoft C++:std::bad_alloc in memory position 0x0012f378.. -----

it´s translated from spanish so maybe is not exactly the same message you
should receive in an english enviroment

thx and sorry for my english

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Re: [osg-users] exception fault with readnodefile

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