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camera+shot revamp: changed field names to something with more sense, cleaning of various functions, correction of minor bugs/incongruences, removal of the infamous reference in shot.

This commit is contained in:
Marco Callieri 2006-12-18 09:46:39 +00:00
parent e0dc9fc1c7
commit a344d59446
6 changed files with 406 additions and 1260 deletions
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1185
vcg/math/camera.h
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File diff suppressed because it is too large Load Diff

197
vcg/math/shot.h
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@ -23,6 +23,9 @@
/**************************************************************************** /****************************************************************************
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.19 2006/01/22 17:01:40 cignoni
Corrected intialization of flag, must be zero.
Revision 1.18 2005/12/12 16:53:43 callieri Revision 1.18 2005/12/12 16:53:43 callieri
corrected UnProject, it's necessary also a ZDepth value to perform inverse projection corrected UnProject, it's necessary also a ZDepth value to perform inverse projection
@ -79,9 +82,6 @@ creation
#ifndef __VCGLIB_SHOT #ifndef __VCGLIB_SHOT
#define __VCGLIB_SHOT #define __VCGLIB_SHOT
// #include <vector>
// #include <vcg/Matrix44.h>
// #include <vcg/Box3.h>
#include <vcg/space/point2.h> #include <vcg/space/point2.h>
#include <vcg/space/point3.h> #include <vcg/space/point3.h>
#include <vcg/math/similarity.h> #include <vcg/math/similarity.h>
@ -95,108 +95,108 @@ public:
typedef Camera<S> CameraType; typedef Camera<S> CameraType;
typedef S ScalarType; typedef S ScalarType;
protected: Camera<S> Intrinsics; // the camera that made the shot
Similarity<S,vcg::Matrix44<S> > Extrinsics; // the position and orientation of the camera
enum {
NOTVALID_BIT = 0x1,
CREATED_EMPTY= 0x2
};
char flags;
Camera<S> & camera; // the camera that shot
vcg::Similarity<S,vcg::Matrix44<S> > similarity; // the position from where it did it
public: Shot(Camera<S> c)
{
Intrinsics = c;
Extrinsics.SetIdentity();
}
Shot( Camera<S> & c):camera(c){similarity.SetIdentity();flags=0;} Shot()
Shot():camera(*new vcg::Camera<S>()){similarity.SetIdentity();flags|=CREATED_EMPTY;} {
~Shot(){if(flags&CREATED_EMPTY) delete &camera;} Extrinsics.SetIdentity();
}
bool IsValid(){ return (flags& NOTVALID_BIT)==0;}
void SetValid(bool v){ if(!v) flags|=NOTVALID_BIT; else flags&=~NOTVALID_BIT;}
Camera<S> & Camera(){return camera;}; /// GET the i-th axis of the coordinate system of the camera
/// access to similarity
vcg::Similarity<S,vcg::Matrix44<S> > & Similarity(){return similarity;}
/// take the i-th axis of the coordinate system of the camera
vcg::Point3<S> Axis(const int & i)const; vcg::Point3<S> Axis(const int & i)const;
/// take the viewpoint /// GET the viewpoint
const vcg::Point3<S> ViewPoint()const; const vcg::Point3<S> GetViewPoint()const;
/// SET the viewpoint
/// set the viewpoint
void SetViewPoint(const vcg::Point3<S> & viewpoint); void SetViewPoint(const vcg::Point3<S> & viewpoint);
/// look at /// look at (dir+up)
void LookAt(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up); void LookAt(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up);
/// look at (same as opengl) /// look at (opengl-like)
void LookAt(const S & eye_x,const S & eye_y,const S & eye_z,const S & at_x,const S & at_y,const S & at_z, void LookAt(const S & eye_x,const S & eye_y,const S & eye_z,
const S & at_x,const S & at_y,const S & at_z,
const S & up_x,const S & up_y,const S & up_z); const S & up_x,const S & up_y,const S & up_z);
/// look towards /// look towards
void LookTowards(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up); void LookTowards(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up);
/// convert a 3d point in camera coordinates /// convert a 3d point from world to camera coordinates
vcg::Point3<S> ConvertToCameraCoordinates(const vcg::Point3<S> & p) const; vcg::Point3<S> ConvertWorldToCameraCoordinates(const vcg::Point3<S> & p) const;
/// convert a 3d point in camera coordinates /// convert a 3d point from camera to world coordinates
vcg::Point3<S> ConvertToWorldCoordinates(const vcg::Point3<S> & p) const; vcg::Point3<S> ConvertCameraToWorldCoordinates(const vcg::Point3<S> & p) const;
/// project onto the camera plane /// project a 3d point from world coordinates to 2d camera viewport (pixel)
vcg::Point2<S> Project(const vcg::Point3<S> & p) const; vcg::Point2<S> Project(const vcg::Point3<S> & p) const;
/// inverse projection from camera plane + Zdepth to original 3D /// inverse projection from 2d camera viewport (pixel) + Zdepth to 3d world coordinates
vcg::Point3<S> UnProject(const vcg::Point2<S> & p, const S & d) const; vcg::Point3<S> UnProject(const vcg::Point2<S> & p, const S & d) const;
/// take the distance from the point p and the plane parallel to the camera plane and passing through the view /// returns distance of point p from camera plane (z depth), used for unprojection
/// point. The would be z depth
S Depth(const vcg::Point3<S> & p)const; S Depth(const vcg::Point3<S> & p)const;
/// project a 3d point from 3D WORLD to 2D VIEWPORT
vcg::Point2<S> ProjectWorldtoViewport(const vcg::Point3<S> & p) const;
}; // end class definition }; // end class definition
template <class S>
const vcg::Point3<S> Shot<S>::ViewPoint() const {
//Matrix44<S> m = similarity.Matrix();
//return Point3<S>(m[0][3],m[1][3],m[2][3]);
return -similarity.tra;
}
//---
/// GET the viewpoint
template <class S> template <class S>
vcg::Point3<S> Shot<S>::Axis(const int & i) const { const vcg::Point3<S> Shot<S>::GetViewPoint() const
{
return -Extrinsics.tra;
}
/// SET the viewpoint
template <class S>
void Shot<S>::SetViewPoint(const vcg::Point3<S> & viewpoint)
{
Extrinsics.tra = -viewpoint;
}
//---
/// GET the i-th axis of the coordinate system of the camera
template <class S>
vcg::Point3<S> Shot<S>::Axis(const int & i) const
{
vcg::Matrix44<S> m; vcg::Matrix44<S> m;
similarity.rot.ToMatrix(m); Extrinsics.rot.ToMatrix(m);
vcg::Point3<S> aa = m.GetRow3(i); vcg::Point3<S> aa = m.GetRow3(i);
return aa; return aa;
}
template <class S>
void Shot<S>::SetViewPoint(const vcg::Point3<S> & viewpoint){
similarity.tra = -viewpoint;
} }
/// look at (dir+up)
template <class S> template <class S>
void Shot<S>::LookAt(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up){ void Shot<S>::LookAt(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up)
{
LookTowards(z_dir-ViewPoint(),up); LookTowards(z_dir-ViewPoint(),up);
} }
/// look at (opengl-like)
template <class S> template <class S>
void Shot<S>::LookAt(const S & eye_x,const S & eye_y,const S & eye_z,const S & at_x,const S & at_y,const S & at_z, void Shot<S>::LookAt(const S & eye_x, const S & eye_y, const S & eye_z,
const S & up_x,const S & up_y,const S & up_z){ const S & at_x, const S & at_y, const S & at_z,
const S & up_x,const S & up_y,const S & up_z)
{
SetViewPoint(Point3<S>(eye_x,eye_y,eye_z)); SetViewPoint(Point3<S>(eye_x,eye_y,eye_z));
LookAt(Point3<S>(at_x,at_y,at_z),Point3<S>(up_x,up_y,up_z)); LookAt(Point3<S>(at_x,at_y,at_z),Point3<S>(up_x,up_y,up_z));
} }
/// look towards
template <class S> template <class S>
void Shot<S>::LookTowards(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up){ void Shot<S>::LookTowards(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up)
vcg::Point3<S> x_dir = up ^-z_dir ; {
vcg::Point3<S> y_dir = -z_dir ^x_dir ; vcg::Point3<S> x_dir = up ^-z_dir;
vcg::Point3<S> y_dir = -z_dir ^x_dir;
Matrix44<S> m; Matrix44<S> m;
m.SetIdentity(); m.SetIdentity();
@ -204,51 +204,70 @@ void Shot<S>::LookTowards(const vcg::Point3<S> & z_dir,const vcg::Point3<S> & up
*(vcg::Point3<S> *)&m[1][0] = y_dir/y_dir.Norm(); *(vcg::Point3<S> *)&m[1][0] = y_dir/y_dir.Norm();
*(vcg::Point3<S> *)&m[2][0] = -z_dir/z_dir.Norm(); *(vcg::Point3<S> *)&m[2][0] = -z_dir/z_dir.Norm();
similarity.rot.FromMatrix(m); Extrinsics.rot.FromMatrix(m);
} }
//--- Space transformation methods
/// convert a 3d point from world to camera coordinates
template <class S> template <class S>
vcg::Point3<S> Shot<S>::ConvertToCameraCoordinates(const vcg::Point3<S> & p) const{ vcg::Point3<S> Shot<S>::ConvertWorldToCameraCoordinates(const vcg::Point3<S> & p) const
{
Matrix44<S> rotM; Matrix44<S> rotM;
similarity.rot.ToMatrix(rotM); Extrinsics.rot.ToMatrix(rotM);
vcg::Point3<S> cp = rotM * (p+similarity.tra); vcg::Point3<S> cp = rotM * (p + Extrinsics.tra);
// note: the camera reference system is right handed cp[2]=-cp[2]; // note: camera reference system is right handed
cp[2]=-cp[2];
return cp; return cp;
} }
/// convert a 3d point from camera to world coordinates
template <class S> template <class S>
vcg::Point3<S> Shot<S>::ConvertToWorldCoordinates(const vcg::Point3<S> & p) const{ vcg::Point3<S> Shot<S>::ConvertCameraToWorldCoordinates(const vcg::Point3<S> & p) const
{
Matrix44<S> rotM; Matrix44<S> rotM;
vcg::Point3<S> cp = p; vcg::Point3<S> cp = p;
// note: the World reference system is left handed cp[2]=-cp[2]; // note: World reference system is left handed
cp[2]=-cp[2]; Extrinsics.rot.ToMatrix(rotM);
similarity.rot.ToMatrix(rotM); cp = Inverse(rotM) * cp-Extrinsics.tra;
cp = Inverse(rotM) * cp-similarity.tra;
return cp; return cp;
} }
template <class S>
vcg::Point2<S> Shot<S>::Project(const vcg::Point3<S> & p) const{
return camera.Project(ConvertToCameraCoordinates(p));
}
template <class S>
vcg::Point3<S> Shot<S>::UnProject(const vcg::Point2<S> & p, const S & d) const{
Point2<S> tp = camera.ViewportToLocal(p);
vcg::Point3<S> q = camera.UnProject(tp, d);
return ConvertToWorldCoordinates(q);
}
template <class S>
S Shot<S>::Depth(const vcg::Point3<S> & p)const {
return ConvertToCameraCoordinates(p).Z();
}
/// project a 3d point from world coordinates to 2d camera viewport (pixel)
template <class S> template <class S>
vcg::Point2<S> Shot<S>::ProjectWorldtoViewport(const vcg::Point3<S> & p)const vcg::Point2<S> Shot<S>::Project(const vcg::Point3<S> & p) const
{ {
return camera.LocalToViewport( camera.Project( ConvertToCameraCoordinates(p) ) ); Point3<S> cp = ConvertWorldToCameraCoordinates(p);
Point2<S> pp = Intrinsics.Project(cp);
Point2<S> vp = Intrinsics.LocalToViewportPx(pp);
return vp;
} }
/// inverse projection from 2d camera viewport (pixel) + Zdepth to 3d world coordinates
template <class S>
vcg::Point3<S> Shot<S>::UnProject(const vcg::Point2<S> & p, const S & d) const
{
Point2<S> lp = Intrinsics.ViewportPxToLocal(p);
Point3<S> cp = Intrinsics.UnProject(lp,d);
Point3<S> wp = ConvertCameraToWorldCoordinates(cp);
return wp;
}
/// returns distance of point p from camera plane (z depth), used for unprojection
template <class S>
S Shot<S>::Depth(const vcg::Point3<S> & p)const
{
return ConvertWorldToCameraCoordinates(p).Z();
}
//--------------------------------
//--- utility definitions
class Shotf: public Shot<float>{}; class Shotf: public Shot<float>{};
class Shotd: public Shot<double>{}; class Shotd: public Shot<double>{};
//-----------------------
} // end name space } // end name space

49
wrap/gl/camera.h
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@ -23,6 +23,9 @@
/**************************************************************************** /****************************************************************************
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.11 2006/01/10 12:22:34 spinelli
add namespace vcg::
Revision 1.10 2005/10/24 14:42:57 spinelli Revision 1.10 2005/10/24 14:42:57 spinelli
add namespace vcg:: to GetFrustum(...) add namespace vcg:: to GetFrustum(...)
@ -76,8 +79,11 @@ struct GlCamera{
typedef typename CameraType::ScalarType ScalarType; typedef typename CameraType::ScalarType ScalarType;
typedef typename CameraType::ScalarType S; typedef typename CameraType::ScalarType S;
/// returns the OpenGL 4x4 PROJECTION matrix that describes the camera (intrinsics)
static vcg::Matrix44<ScalarType> static vcg::Matrix44<ScalarType>
MatrixGL(vcg::Camera<S> & cam, vcg::Matrix44<S> &m){ MatrixGL(vcg::Camera<S> & cam, vcg::Matrix44<S> &m)
{
glPushAttrib(GL_TRANSFORM_BIT); glPushAttrib(GL_TRANSFORM_BIT);
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);
glPushMatrix(); glPushMatrix();
@ -89,7 +95,8 @@ MatrixGL(vcg::Camera<S> & cam, vcg::Matrix44<S> &m){
return m; return m;
} }
static void CavalieriProj(float x1, float x2, float y1, float y2, float z1, float z2) /// set the OpenGL PROJECTION matrix for the Cavalieri projection
static void SetGLCavalieriProj(float x1, float x2, float y1, float y2, float z1, float z2)
{ {
GLfloat cavalieri[16]; GLfloat cavalieri[16];
@ -103,10 +110,10 @@ static void CavalieriProj(float x1, float x2, float y1, float y2, float z1, floa
cavalieri[11] = 0; cavalieri[15] = 1.0f; cavalieri[11] = 0; cavalieri[15] = 1.0f;
glLoadMatrixf(cavalieri); glLoadMatrixf(cavalieri);
} }
static void IsometricProj(float x1, float x2, float y1, float y2, float z1, float z2) /// set the OpenGL PROJECTION matrix for the Isometric projection
static void SetGLIsometricProj(float x1, float x2, float y1, float y2, float z1, float z2)
{ {
GLfloat isometric[16]; GLfloat isometric[16];
@ -122,34 +129,32 @@ static void IsometricProj(float x1, float x2, float y1, float y2, float z1, floa
glLoadMatrixf(isometric); glLoadMatrixf(isometric);
} }
static void GetFrustum(vcg::Camera<S> & camera, S & sx,S & dx,S & bt,S & tp,S & f ,S & fr) /// get OpenGL-like frustum from a vcg camera (intrinsics)
static void GetFrustum(vcg::Camera<S> & intrinsics, S & sx,S & dx,S & bt,S & tp,S & f)
{ {
camera.GetFrustum(sx,dx,bt,tp,f,fr); intrinsics.GetFrustum(sx,dx,bt,tp,f);
} }
/// set the OpenGL PROJECTION matrix to match the camera (intrinsics). requires near and far plane
static void TransformGL(vcg::Camera<S> & camera, S farDist = -1 ) { static void TransformGL(vcg::Camera<S> & camera, S nearDist, S farDist )
{
S sx,dx,bt,tp,nr,fr; S sx,dx,bt,tp,nr,fr;
GetFrustum(camera,sx,dx,bt,tp,nr,fr); camera.GetFrustum(sx,dx,bt,tp,nr);
assert(glGetError()==0); assert(glGetError()==0);
switch(camera.cameraType) { switch(camera.cameraType)
case vcg::PERSPECTIVE: glFrustum(sx,dx,bt,tp,nr,(farDist == -1)?fr:farDist); break;
case vcg::ORTHO: glOrtho(sx*camera.viewportM,dx*camera.viewportM,bt*camera.viewportM,tp*camera.viewportM,nr,(farDist == -1)?fr:farDist); break;
case vcg::ISOMETRIC: IsometricProj(sx,dx,bt,tp,nr,(farDist == -1)?fr:farDist); break;
case vcg::CAVALIERI: CavalieriProj(sx,dx,bt,tp,nr,(farDist == -1)?fr:farDist); break;
}
/* if(!camera.IsOrtho())
{ {
//glFrustum(sx,dx,bt,tp,nr,(farDist == -1)?fr:farDist); case vcg::PERSPECTIVE: glFrustum(sx,dx,bt,tp,nearDist,farDist); break;
IsometricProj(sx,dx,bt,tp,nr,(farDist == -1)?fr:farDist); case vcg::ORTHO: glOrtho(sx,dx,bt,tp,nearDist,farDist); break;
case vcg::ISOMETRIC: SetGLIsometricProj(sx,dx,bt,tp,nearDist,farDist); break;
case vcg::CAVALIERI: SetGLCavalieriProj(sx,dx,bt,tp,nearDist,farDist); break;
} }
else glOrtho(sx*camera.viewportM,dx*camera.viewportM,bt*camera.viewportM,tp*camera.viewportM,nr,(farDist == -1)?fr:farDist);
*/
assert(glGetError()==0); assert(glGetError()==0);
}; };
static void GetViewSize(vcg::Camera<S> & camera, S &width, S &height) { static void GetViewSize(vcg::Camera<S> & camera, S &width, S &height) {
S sx,dx,bt,tp,nr,fr; S sx,dx,bt,tp,nr,fr;
GetFrustum(camera,sx,dx,bt,tp,nr,fr); GetFrustum(camera,sx,dx,bt,tp,nr,fr);
@ -157,6 +162,7 @@ static void GetViewSize(vcg::Camera<S> & camera, S &width, S &height) {
height = tp-bt; //top - bottom = height height = tp-bt; //top - bottom = height
}; };
static void SetSubView(vcg::Camera<S> & camera,vcg::Point2<S> p0,vcg::Point2<S> p1){ static void SetSubView(vcg::Camera<S> & camera,vcg::Point2<S> p0,vcg::Point2<S> p1){
//typedef typename CameraType::ScalarType S; //typedef typename CameraType::ScalarType S;
S sx,dx,bt,tp,nr,fr; S sx,dx,bt,tp,nr,fr;
@ -170,7 +176,8 @@ static void SetSubView(vcg::Camera<S> & camera,vcg::Point2<S> p0,vcg::Point2<S>
switch(camera.cameraType) { switch(camera.cameraType)
{
case vcg::PERSPECTIVE: glFrustum( width* p0[0]+ sx, width* p1[0]+ sx, height* p0[1]+ bt, height* p1[1]+ bt,nr,fr); break; case vcg::PERSPECTIVE: glFrustum( width* p0[0]+ sx, width* p1[0]+ sx, height* p0[1]+ bt, height* p1[1]+ bt,nr,fr); break;
case vcg::ORTHO: glOrtho((width* p0[0]+sx)*camera.viewportM, (width* p1[0]+sx)*camera.viewportM, (height* p0[1]+ bt)*camera.viewportM, (height* p1[1]+bt)*camera.viewportM,nr,fr); break; case vcg::ORTHO: glOrtho((width* p0[0]+sx)*camera.viewportM, (width* p1[0]+sx)*camera.viewportM, (height* p0[1]+ bt)*camera.viewportM, (height* p1[1]+bt)*camera.viewportM,nr,fr); break;
case vcg::ISOMETRIC: IsometricProj(dx-width* p1[0], dx-width* p0[0], tp-height* p1[1], tp-height* p0[1],nr,fr); break; case vcg::ISOMETRIC: IsometricProj(dx-width* p1[0], dx-width* p0[0], tp-height* p1[1], tp-height* p0[1],nr,fr); break;

41
wrap/gl/shot.h
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@ -23,6 +23,9 @@
/**************************************************************************** /****************************************************************************
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.8 2006/01/11 16:06:25 matteodelle
*** empty log message ***
Revision 1.8 2005/01/11 17:06:30 dellepiane Revision 1.8 2005/01/11 17:06:30 dellepiane
FromTrackball() coorected (similarity->Similarity() FromTrackball() coorected (similarity->Similarity()
@ -79,24 +82,30 @@ struct GlShot {
typedef typename ShotType::ScalarType ScalarType; typedef typename ShotType::ScalarType ScalarType;
typedef typename GlCamera<typename ShotType::CameraType> GlCameraType; typedef typename GlCamera<typename ShotType::CameraType> GlCameraType;
static void MatrixGL(ShotType & shot,vcg::Matrix44<ScalarType> & m) { /// returns the OpenGL 4x4 MODELVIEW matrix that describes the shot position and orientation (extrinsics)
m = shot.Similarity().Matrix(); static void MatrixGL(ShotType & shot,vcg::Matrix44<ScalarType> & m)
{
m = shot.Extrinsics.Matrix();
} }
static void TransformGL(vcg::Shot<ScalarType> & shot){ /// set the OpenGL MODELVIEW matrix to match the shot (extrinsics)
static void TransformGL(vcg::Shot<ScalarType> & shot)
{
vcg::Matrix44<ScalarType> m; vcg::Matrix44<ScalarType> m;
MatrixGL(shot,m); MatrixGL(shot,m);
glMultMatrix(m); glMultMatrix(m);
} }
static void SetView(vcg::Shot<ScalarType> & shot){ /// set the OpenGL PROJECTION and MODELVIEW matrix to match camera+shot. requires near and far plane
static void SetView(vcg::Shot<ScalarType> & shot, ScalarType nearDist, ScalarType farDist)
{
assert(glGetError() == 0); assert(glGetError() == 0);
glMatrixMode(GL_PROJECTION); glMatrixMode(GL_PROJECTION);
glPushMatrix(); glPushMatrix();
glLoadIdentity(); glLoadIdentity();
assert(glGetError() == 0); assert(glGetError() == 0);
GlCameraType::TransformGL(shot.Camera()); // apply camera/modelview transformation GlCameraType::TransformGL(shot.Intrinsics, nearDist, farDist); // apply camera/projection transformation
assert(glGetError() == 0); assert(glGetError() == 0);
glMatrixMode(GL_MODELVIEW); glMatrixMode(GL_MODELVIEW);
@ -106,6 +115,18 @@ static void SetView(vcg::Shot<ScalarType> & shot){
GlShot<ShotType>::TransformGL(shot); // apply similarity/modelview transformation GlShot<ShotType>::TransformGL(shot); // apply similarity/modelview transformation
assert(glGetError() == 0); assert(glGetError() == 0);
} }
/// restore the previous OpenGL modelview and projection state. to be called AFTER a SetView
static void UnsetView()
{
glPushAttrib(GL_TRANSFORM_BIT);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glPopAttrib();
}
static void SetSubView(vcg::Shot<ScalarType> & shot, static void SetSubView(vcg::Shot<ScalarType> & shot,
vcg::Point2<ScalarType> p1, vcg::Point2<ScalarType> p1,
vcg::Point2<ScalarType> p2) vcg::Point2<ScalarType> p2)
@ -123,15 +144,7 @@ static void SetSubView(vcg::Shot<ScalarType> & shot,
assert(glGetError() == 0); assert(glGetError() == 0);
} }
static void UnsetView()
{
glPushAttrib(GL_TRANSFORM_BIT);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glPopAttrib();
}
/********************************** /**********************************
DEFINE SHOT FROM TRACKBALL DEFINE SHOT FROM TRACKBALL

97
wrap/io_trimesh/export_ply.h
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@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.17 2006/11/30 22:49:32 cignoni
Added save with (unused) callback
Revision 1.16 2006/10/14 00:39:22 cignoni Revision 1.16 2006/10/14 00:39:22 cignoni
Added a comment on an assert Added a comment on an assert
@ -178,7 +181,7 @@ static int Save(SaveMeshType &m, const char * filename, bool binary, PlyInfo &p
if(m.textures.size()>1 && (m.HasPerWedgeTexture() || m.HasPerVertexTexture())) multit = true; if(m.textures.size()>1 && (m.HasPerWedgeTexture() || m.HasPerVertexTexture())) multit = true;
} }
if( (pi.mask & Mask::IOM_CAMERA) && m.shot.IsValid()) if((pi.mask & Mask::IOM_CAMERA))
{ {
fprintf(fpout, fprintf(fpout,
"element camera 1\n" "element camera 1\n"
@ -300,65 +303,65 @@ static int Save(SaveMeshType &m, const char * filename, bool binary, PlyInfo &p
fprintf(fpout, "end_header\n" ); fprintf(fpout, "end_header\n" );
// Salvataggio camera // Salvataggio camera
if( (pi.mask & Mask::IOM_CAMERA) && m.shot.IsValid() ) if((pi.mask & Mask::IOM_CAMERA))
{ {
if(binary) if(binary)
{ {
float t[17]; float t[17];
t[ 0] = (float) -m.shot.Similarity().tra[0]; t[ 0] = (float)-m.shot.Extrinsics.tra[0];
t[ 1] = (float)-m.shot.Similarity().tra[1]; t[ 1] = (float)-m.shot.Extrinsics.tra[1];
t[ 2] = (float)-m.shot.Similarity().tra[2]; t[ 2] = (float)-m.shot.Extrinsics.tra[2];
t[ 3] = (float)m.shot.Similarity().rot[0][0]; t[ 3] = (float)m.shot.Extrinsics.rot[0][0];
t[ 4] = (float)m.shot.Similarity().rot[0][1]; t[ 4] = (float)m.shot.Extrinsics.rot[0][1];
t[ 5] = (float)m.shot.Similarity().rot[0][2]; t[ 5] = (float)m.shot.Extrinsics.rot[0][2];
t[ 6] = (float)m.shot.Similarity().rot[1][0]; t[ 6] = (float)m.shot.Extrinsics.rot[1][0];
t[ 7] = (float)m.shot.Similarity().rot[1][1]; t[ 7] = (float)m.shot.Extrinsics.rot[1][1];
t[ 8] = (float)m.shot.Similarity().rot[1][2]; t[ 8] = (float)m.shot.Extrinsics.rot[1][2];
t[ 9] = (float)m.shot.Similarity().rot[2][0]; t[ 9] = (float)m.shot.Extrinsics.rot[2][0];
t[10] = (float)m.shot.Similarity().rot[2][1]; t[10] = (float)m.shot.Extrinsics.rot[2][1];
t[11] = (float)m.shot.Similarity().rot[2][2]; t[11] = (float)m.shot.Extrinsics.rot[2][2];
t[12] = (float)m.shot.Camera().f; t[12] = (float)m.shot.Intrinsics.FocalMm;
t[13] = (float)m.shot.Camera().s[0]; t[13] = (float)m.shot.Intrinsics.PixelSizeMm[0];
t[14] = (float) m.shot.Camera().s[1]; t[14] = (float)m.shot.Intrinsics.PixelSizeMm[1];
t[15] = (float)m.shot.Camera().c[0]; t[15] = (float)m.shot.Intrinsics.CenterPx[0];
t[16] = (float)m.shot.Camera().c[1]; t[16] = (float)m.shot.Intrinsics.CenterPx[1];
fwrite(t,sizeof(float),17,fpout); fwrite(t,sizeof(float),17,fpout);
fwrite( &m.shot.Camera().viewport[0],sizeof(int),2,fpout ); fwrite( &m.shot.Intrinsics.ViewportPx[0],sizeof(int),2,fpout );
t[ 0] = (float)m.shot.Camera().k[0]; t[ 0] = (float)m.shot.Intrinsics.k[0];
t[ 1] = (float)m.shot.Camera().k[1]; t[ 1] = (float)m.shot.Intrinsics.k[1];
t[ 2] = (float)m.shot.Camera().k[2]; t[ 2] = (float)m.shot.Intrinsics.k[2];
t[ 3] = (float)m.shot.Camera().k[3]; t[ 3] = (float)m.shot.Intrinsics.k[3];
fwrite(t,sizeof(float),4,fpout); fwrite(t,sizeof(float),4,fpout);
} }
else else
{ {
fprintf(fpout,"%g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %d %d %g %g %g %g\n" fprintf(fpout,"%g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %g %d %d %g %g %g %g\n"
,-m.shot.Similarity().tra[0] ,-m.shot.Extrinsics.tra[0]
,-m.shot.Similarity().tra[1] ,-m.shot.Extrinsics.tra[1]
,-m.shot.Similarity().tra[2] ,-m.shot.Extrinsics.tra[2]
,m.shot.Similarity().rot[0][0] ,m.shot.Extrinsics.rot[0][0]
,m.shot.Similarity().rot[0][1] ,m.shot.Extrinsics.rot[0][1]
,m.shot.Similarity().rot[0][2] ,m.shot.Extrinsics.rot[0][2]
,m.shot.Similarity().rot[1][0] ,m.shot.Extrinsics.rot[1][0]
,m.shot.Similarity().rot[1][1] ,m.shot.Extrinsics.rot[1][1]
,m.shot.Similarity().rot[1][2] ,m.shot.Extrinsics.rot[1][2]
,m.shot.Similarity().rot[2][0] ,m.shot.Extrinsics.rot[2][0]
,m.shot.Similarity().rot[2][1] ,m.shot.Extrinsics.rot[2][1]
,m.shot.Similarity().rot[2][2] ,m.shot.Extrinsics.rot[2][2]
,m.shot.Camera().f ,m.shot.Intrinsics.FocalMm
,m.shot.Camera().s[0] ,m.shot.Intrinsics.PixelSizeMm[0]
,m.shot.Camera().s[1] ,m.shot.Intrinsics.PixelSizeMm[1]
,m.shot.Camera().c[0] ,m.shot.Intrinsics.CenterPx[0]
,m.shot.Camera().c[1] ,m.shot.Intrinsics.CenterPx[1]
,m.shot.Camera().viewport[0] ,m.shot.Intrinsics.ViewportPx[0]
,m.shot.Camera().viewport[1] ,m.shot.Intrinsics.ViewportPx[1]
,m.shot.Camera().k[0] ,m.shot.Intrinsics.k[0]
,m.shot.Camera().k[1] ,m.shot.Intrinsics.k[1]
,m.shot.Camera().k[2] ,m.shot.Intrinsics.k[2]
,m.shot.Camera().k[3] ,m.shot.Intrinsics.k[3]
); );
} }
} }

51
wrap/io_trimesh/import_ply.h
View File

@ -24,6 +24,9 @@
History History
$Log: not supported by cvs2svn $ $Log: not supported by cvs2svn $
Revision 1.30 2006/11/27 10:36:13 cignoni
Removed flags initialization. no more necessary
Revision 1.29 2006/10/14 00:18:42 cignoni Revision 1.29 2006/10/14 00:18:42 cignoni
Allowed the correct loading of meshes with 0 faces Allowed the correct loading of meshes with 0 faces
@ -562,37 +565,37 @@ static int Open( OpenMeshType &m, const char * filename, PlyInfo &pi )
//camera.valid = true; //camera.valid = true;
// extrinsic // extrinsic
m.shot.Similarity().SetIdentity(); m.shot.Extrinsics.SetIdentity();
// view point // view point
m.shot.Similarity().tra[0] = -ca.view_px; m.shot.Extrinsics.tra[0] = -ca.view_px;
m.shot.Similarity().tra[1] = -ca.view_py; m.shot.Extrinsics.tra[1] = -ca.view_py;
m.shot.Similarity().tra[2] = -ca.view_pz; m.shot.Extrinsics.tra[2] = -ca.view_pz;
// axis (i.e. rotation). // axis (i.e. rotation).
m.shot.Similarity().rot[0][0] = ca.x_axisx; m.shot.Extrinsics.rot[0][0] = ca.x_axisx;
m.shot.Similarity().rot[0][1] = ca.x_axisy; m.shot.Extrinsics.rot[0][1] = ca.x_axisy;
m.shot.Similarity().rot[0][2] = ca.x_axisz; m.shot.Extrinsics.rot[0][2] = ca.x_axisz;
m.shot.Similarity().rot[1][0] = ca.y_axisx; m.shot.Extrinsics.rot[1][0] = ca.y_axisx;
m.shot.Similarity().rot[1][1] = ca.y_axisy; m.shot.Extrinsics.rot[1][1] = ca.y_axisy;
m.shot.Similarity().rot[1][2] = ca.y_axisz; m.shot.Extrinsics.rot[1][2] = ca.y_axisz;
m.shot.Similarity().rot[2][0] = ca.z_axisx; m.shot.Extrinsics.rot[2][0] = ca.z_axisx;
m.shot.Similarity().rot[2][1] = ca.z_axisy; m.shot.Extrinsics.rot[2][1] = ca.z_axisy;
m.shot.Similarity().rot[2][2] = ca.z_axisz; m.shot.Extrinsics.rot[2][2] = ca.z_axisz;
//intrinsic //intrinsic
m.shot.Camera().f = ca.focal; m.shot.Intrinsics.FocalMm = ca.focal;
m.shot.Camera().s[0] = ca.scalex; m.shot.Intrinsics.PixelSizeMm[0] = ca.scalex;
m.shot.Camera().s[1] = ca.scaley; m.shot.Intrinsics.PixelSizeMm[1] = ca.scaley;
m.shot.Camera().c[0] = ca.centerx; m.shot.Intrinsics.CenterPx[0] = ca.centerx;
m.shot.Camera().c[1] = ca.centery; m.shot.Intrinsics.CenterPx[1] = ca.centery;
m.shot.Camera().viewport[0] = ca.viewportx; m.shot.Intrinsics.ViewportPx[0] = ca.viewportx;
m.shot.Camera().viewport[1] = ca.viewporty; m.shot.Intrinsics.ViewportPx[1] = ca.viewporty;
m.shot.Camera().k[0] = ca.k1; m.shot.Intrinsics.k[0] = ca.k1;
m.shot.Camera().k[1] = ca.k2; m.shot.Intrinsics.k[1] = ca.k2;
m.shot.Camera().k[2] = ca.k3; m.shot.Intrinsics.k[2] = ca.k3;
m.shot.Camera().k[3] = ca.k4; m.shot.Intrinsics.k[3] = ca.k4;
} }
} }