[osg-users] my current position
--- On Wed, 12/17/08, olfat ibrahim olfat_ibra...@yahoo.com wrote: From: olfat ibrahim olfat_ibra...@yahoo.com Subject: my current position To: OSG osg-users@lists.openscenegraph.org Date: Wednesday, December 17, 2008, 9:01 AM i am using keyswitchManipulator : i need to print my current location while iam driving in the scene : i tried the functions : keyswitchManipulatorL-getMatrix() viewer.getCamera()-getViewMatrixAsLookAt(eye, center, up) cameraL-getViewMatrixAsLookAt(eye, center, up) all of those does not get me my moving statuse . i need my x,y,z and h,p,r current position ; is there a function should i call to get me what i need ? thanks ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] my current position
Hi, 2008/12/17 olfat ibrahim olfat_ibra...@yahoo.com --- On Wed, 12/17/08, olfat ibrahim olfat_ibra...@yahoo.com wrote: From: olfat ibrahim olfat_ibra...@yahoo.com Subject: my current position To: OSG osg-users@lists.openscenegraph.org Date: Wednesday, December 17, 2008, 9:01 AM i am using keyswitchManipulator : i need to print my current location while iam driving in the scene : i tried the functions : keyswitchManipulatorL-getMatrix() viewer.getCamera()-getViewMatrixAsLookAt(eye, center, up) eye is camera position. cameraL-getViewMatrixAsLookAt(eye, center, up) all of those does not get me my moving statuse . i need my x,y,z and h,p,r current position ; Are you sure you get the position each frame ? because theses functions will give you vector copy, so if you don't get them each frame, they will not change. What do you meen by h,r,p ? second camera position ? Vincent. is there a function should i call to get me what i need ? thanks ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org ___ osg-users mailing list osg-users@lists.openscenegraph.org http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
Re: [osg-users] my current position
thanks again for your help :
but i have another problem :
while( !viewer.done() || !viewer1.done() )
{
viewer.getCamera()-getViewMatrixAsLookAt(eye, center, up);
cout eye2 eye.x() eye.y() eye.z()
endl;
cout center center.x() center.y()
center.z() endl;
cout up up.x() up.y() up.z()
endl;
osg::Matrixd m(viewer.getCamera()-getViewMatrix());
mt-setMatrix(osg::Matrix::translate(eye.x(),eye.y(),eye.z())*
osg::Matrix::rotate(m.getRotate().inverse()));
i tried m.getRotate().inverse() and m.getRotate()
they rotate the object but i the wrong way they flip it
does any one have recomendations ??
--- On Wed, 12/17/08, Vincent Bourdier vincent.bourd...@gmail.com wrote:
From: Vincent Bourdier vincent.bourd...@gmail.com
Subject: Re: [osg-users] my current position
To: olfat_ibra...@yahoo.com
Date: Wednesday, December 17, 2008, 9:58 AM
You can do it using different things:
* You get eye, center, up . With theses vector, you can
compute the front,
up, side vectors of the camera, an so compute the rotation.
(eye is camera position, center is the point the camera
look at)
* You can get the matrix from the manipulator, and
getRotation from it. You
will have the quaternion representing the rotation. (or
rotation inverse, I
don't remember)
* you can get the matrix from manipulator, and use
getFrontVector(...),
getSidevector() and getUpVector() from it. After that, just
compute the
rotation.
Vincent.
2008/12/17 olfat ibrahim olfat_ibra...@yahoo.com
you were right thank you very much
now i need to get the H P R
by H P R i mean the rotation arround x ,y , z axis .
i tried the three functions in the following mannare :
osg::Vec3f eye;
osg::Vec3f center;
osg::Vec3f up;
osg::Vec3f eye1;
osg::Vec3f center1;
osg::Vec3f up1;
osg::Vec3f position;
osg::Matrixd
m(keyswitchManipulatorL-getCoordinateFrame(position));
while( !viewer.done() || !viewer1.done() )
{
cameraL-getViewMatrixAsLookAt(eye1,
center1, up1);
viewer.getCamera()-getViewMatrixAsLookAt(eye, center,
up);
osg::Matrixd
m(keyswitchManipulatorL-getCoordinateFrame(position));
// cout position.x
position.y position.z endl;
cout eye
position.x() position.y()
position.z() endl;
cout eye
eye.x() eye.y()
eye.z() endl;
cout center
center.x()
center.y()
center.z() endl;
cout up
up.x() up.y()
up.z()
endl;
cout eye
eye1.x() eye1.y()
eye1.z() endl;
cout center
center1.x()
center1.y()
center1.z() endl;
cout up
up1.x() up1.y()
up1.z()
endl;
// fire off the cull and draw traversals of the
scene.
viewer.frame();
}
can any ong give me ideas ??
--- On Wed, 12/17/08, Vincent Bourdier
vincent.bourd...@gmail.com wrote:
From: Vincent Bourdier
vincent.bourd...@gmail.com
Subject: Re: [osg-users] my current position
To: olfat_ibra...@yahoo.com, OpenSceneGraph
Users
osg-users@lists.openscenegraph.org
Date: Wednesday, December 17, 2008, 9:37 AM
Hi,
2008/12/17 olfat ibrahim
olfat_ibra...@yahoo.com
--- On Wed, 12/17/08, olfat ibrahim
olfat_ibra...@yahoo.com wrote:
From: olfat ibrahim
olfat_ibra...@yahoo.com
Subject: my current position
To: OSG
osg-users@lists.openscenegraph.org
Date: Wednesday, December 17, 2008,
9:01 AM
i am using keyswitchManipulator :
i need to print my current location
while iam
driving in
the scene :
i tried the functions :
keyswitchManipulatorL-getMatrix()
viewer.getCamera()-getViewMatrixAsLookAt(eye,
center,
up)
eye is camera position.
cameraL-getViewMatrixAsLookAt(eye,
center,
up)
all of those does not get me my moving
statuse .
i need my x,y,z and h,p,r current
position ;
Are you sure you get the position each frame ?
because
theses functions will
give you
vector copy, so if you don't get them each
frame, they
will not change.
What do you meen by h,r,p ? second camera
position ?
Vincent.
is there a function should i call to
get me what
i need ?
thanks
___
osg-users mailing list
osg-users@lists.openscenegraph.org
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
___
osg-users mailing list
osg-users@lists.openscenegraph.org
http
Re: [osg-users] my current position
Hi,
Try manipulator-getMatrix() instead of camera view matrix...
Next, it is possible to have a rotation of the matrix along X of +/- PI/2...
don't know exactly when or why, but this can help...
Vincent.
2008/12/17 olfat ibrahim olfat_ibra...@yahoo.com
thanks again for your help :
but i have another problem :
while( !viewer.done() || !viewer1.done() )
{
viewer.getCamera()-getViewMatrixAsLookAt(eye, center, up);
cout eye2 eye.x() eye.y()
eye.z() endl;
cout center center.x() center.y()
center.z() endl;
cout up up.x() up.y() up.z()
endl;
osg::Matrixd m(viewer.getCamera()-getViewMatrix());
mt-setMatrix(osg::Matrix::translate(eye.x(),eye.y(),eye.z())*
osg::Matrix::rotate(m.getRotate().inverse()));
i tried m.getRotate().inverse() and m.getRotate()
they rotate the object but i the wrong way they flip it
does any one have recomendations ??
--- On Wed, 12/17/08, Vincent Bourdier vincent.bourd...@gmail.com wrote:
From: Vincent Bourdier vincent.bourd...@gmail.com
Subject: Re: [osg-users] my current position
To: olfat_ibra...@yahoo.com
Date: Wednesday, December 17, 2008, 9:58 AM
You can do it using different things:
* You get eye, center, up . With theses vector, you can
compute the front,
up, side vectors of the camera, an so compute the rotation.
(eye is camera position, center is the point the camera
look at)
* You can get the matrix from the manipulator, and
getRotation from it. You
will have the quaternion representing the rotation. (or
rotation inverse, I
don't remember)
* you can get the matrix from manipulator, and use
getFrontVector(...),
getSidevector() and getUpVector() from it. After that, just
compute the
rotation.
Vincent.
2008/12/17 olfat ibrahim olfat_ibra...@yahoo.com
you were right thank you very much
now i need to get the H P R
by H P R i mean the rotation arround x ,y , z axis .
i tried the three functions in the following mannare :
osg::Vec3f eye;
osg::Vec3f center;
osg::Vec3f up;
osg::Vec3f eye1;
osg::Vec3f center1;
osg::Vec3f up1;
osg::Vec3f position;
osg::Matrixd
m(keyswitchManipulatorL-getCoordinateFrame(position));
while( !viewer.done() || !viewer1.done() )
{
cameraL-getViewMatrixAsLookAt(eye1,
center1, up1);
viewer.getCamera()-getViewMatrixAsLookAt(eye, center,
up);
osg::Matrixd
m(keyswitchManipulatorL-getCoordinateFrame(position));
// cout position.x
position.y position.z endl;
cout eye
position.x() position.y()
position.z() endl;
cout eye
eye.x() eye.y()
eye.z() endl;
cout center
center.x()
center.y()
center.z() endl;
cout up
up.x() up.y()
up.z()
endl;
cout eye
eye1.x() eye1.y()
eye1.z() endl;
cout center
center1.x()
center1.y()
center1.z() endl;
cout up
up1.x() up1.y()
up1.z()
endl;
// fire off the cull and draw traversals of the
scene.
viewer.frame();
}
can any ong give me ideas ??
--- On Wed, 12/17/08, Vincent Bourdier
vincent.bourd...@gmail.com wrote:
From: Vincent Bourdier
vincent.bourd...@gmail.com
Subject: Re: [osg-users] my current position
To: olfat_ibra...@yahoo.com, OpenSceneGraph
Users
osg-users@lists.openscenegraph.org
Date: Wednesday, December 17, 2008, 9:37 AM
Hi,
2008/12/17 olfat ibrahim
olfat_ibra...@yahoo.com
--- On Wed, 12/17/08, olfat ibrahim
olfat_ibra...@yahoo.com wrote:
From: olfat ibrahim
olfat_ibra...@yahoo.com
Subject: my current position
To: OSG
osg-users@lists.openscenegraph.org
Date: Wednesday, December 17, 2008,
9:01 AM
i am using keyswitchManipulator :
i need to print my current location
while iam
driving in
the scene :
i tried the functions :
keyswitchManipulatorL-getMatrix()
viewer.getCamera()-getViewMatrixAsLookAt(eye,
center,
up)
eye is camera position.
cameraL-getViewMatrixAsLookAt(eye,
center,
up)
all of those does not get me my moving
statuse .
i need my x,y,z and h,p,r current
position ;
Are you sure you get the position each frame ?
because
theses functions will
give you
vector copy, so if you don't get them each
frame, they
will not change.
What do you meen by h,r,p ? second camera
position ?
Vincent.
is there a function
