2004-09-16 00:58:05 +02:00
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/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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2005-02-22 11:57:58 +01:00
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Revision 1.18 2005/02/21 18:11:07 ganovelli
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GetFrustum moved from gl/camera to math/camera.h
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2005-02-21 19:11:47 +01:00
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Revision 1.17 2005/02/15 14:55:52 tommyfranken
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added principal point
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2005-02-15 15:55:52 +01:00
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Revision 1.16 2005/01/18 16:40:50 ricciodimare
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*** empty log message ***
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2005-01-18 17:40:50 +01:00
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Revision 1.15 2005/01/18 15:14:22 ponchio
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Far and end are reserved.
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2005-01-18 16:14:22 +01:00
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Revision 1.14 2005/01/14 15:28:33 ponchio
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vcg/Point.h -> vcg/point.h (again!)
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2005-01-14 16:28:33 +01:00
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Revision 1.13 2005/01/05 13:25:29 ganovelli
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aggiunte conversione di coordinate
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2005-01-05 14:25:29 +01:00
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Revision 1.12 2004/12/16 11:22:30 ricciodimare
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*** empty log message ***
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2004-12-16 12:22:30 +01:00
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Revision 1.11 2004/12/16 11:21:03 ricciodimare
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*** empty log message ***
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2004-12-16 12:21:03 +01:00
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Revision 1.10 2004/12/15 18:45:50 tommyfranken
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*** empty log message ***
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2004-12-15 19:45:50 +01:00
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<<<<<<< camera.h
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=======
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2004-12-04 16:51:22 +01:00
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Revision 1.8 2004/11/23 10:15:38 cignoni
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removed comment in comment gcc warning
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2004-11-23 11:15:38 +01:00
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Revision 1.7 2004/11/03 09:40:53 ganovelli
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Point?.h to point?.h
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2004-11-03 10:40:53 +01:00
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Revision 1.6 2004/11/03 09:32:50 ganovelli
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SetPerspective and SetFrustum added (same parameters as in opengl)
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2004-12-15 19:45:50 +01:00
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>>>>>>> 1.8
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2004-10-22 16:29:40 +02:00
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Revision 1.4 2004/10/07 14:39:57 fasano
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Remove glew.h include
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2004-10-07 16:39:57 +02:00
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Revision 1.3 2004/10/07 14:22:38 ganovelli
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y axis reverse in projecting (!)
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2004-10-07 16:22:38 +02:00
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Revision 1.2 2004/10/05 19:04:25 ganovelli
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version 5-10-2004 in progress
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2004-10-05 21:04:25 +02:00
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Revision 1.1 2004/09/15 22:58:05 ganovelli
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re-creation
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2004-09-16 00:58:05 +02:00
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Revision 1.2 2004/09/06 21:41:30 ganovelli
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*** empty log message ***
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Revision 1.1 2004/09/03 13:01:51 ganovelli
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creation
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2004-11-23 11:15:38 +01:00
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****************************************************************************/
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2004-09-16 00:58:05 +02:00
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#ifndef __VCGLIB_CAMERA
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#define __VCGLIB_CAMERA
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// VCG
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#include <vcg/space/point3.h>
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#include <vcg/space/point2.h>
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#include <vcg/math/similarity.h>
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namespace vcg{
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template<class S>
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class Camera
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{
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public:
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typedef S ScalarType;
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Camera():
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f(0.f),s(vcg::Point2<S>(0.0,0.0)),
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c(vcg::Point2<S>(0.0,0.0)),
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viewport(vcg::Point2<int>(0,0)),
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_flags(0),viewportM(1)
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{}
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S f; // Focal Distance (cioe' la distanza del piano immagine dal centro di proiezione
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S farend; // farend end of frustum (it doesn influence the projection )
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vcg::Point2<S> s; // Scale factor of the image (nei casi in cui a senso)
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vcg::Point2<S> c; // pin-hole position
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2004-10-05 21:04:25 +02:00
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vcg::Point2<int> viewport; // Size viewport (in pixels)
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vcg::Point2<double> p; // principal point (between -1 and 1) for distortion
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S k[4]; // 1st & 2nd order radial lens distortion coefficient
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2004-12-15 19:45:50 +01:00
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S viewportM; // ratio between viewport in pixel and size (useful to avoid chancing s or viewport when
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// zooming a ortho camera (for a perspective camera it is 1)
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2004-10-05 21:04:25 +02:00
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enum{
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ORTHO_BIT = 0x01 // true if the camera is orthogonal
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};
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2004-10-05 21:04:25 +02:00
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char _flags;
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bool IsOrtho(){ return (_flags & ORTHO_BIT);}
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void SetOrtho(bool v, S dist )
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{
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if(v)
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{
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_flags |= ORTHO_BIT;
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viewportM = ( ((viewport[0] * s[0]) * (viewport[1] * s[1])) / f ) * dist;
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}
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else _flags &= ~ORTHO_BIT;
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2004-12-16 12:21:03 +01:00
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};
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char & UberFlags() {return _flags;}
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/// set the camera specifying the perspecive view
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2005-01-18 16:14:22 +01:00
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inline void SetPerspective(S angle, S ratio, S nearend, S farend,vcg::Point2<S> viewport=vcg::Point2<S>(500,-1) );
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/// set the camera specifying the frustum view
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2005-01-18 16:14:22 +01:00
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inline void SetFrustum(S dx, S sx, S bt, S tp, S nearend, S farend,vcg::Point2<S> viewport=vcg::Point2<S>(500,-1));
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2005-02-21 19:11:47 +01:00
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/// get the camera frustum view
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inline void GetFrustum(S & sx,S & dx,S & bt,S & tp, S & f ,S & fr);
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2004-09-16 00:58:05 +02:00
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/// project a point from space 3d (in the reference system of the camera) to the camera's plane
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/// the result is in absolute coordinates
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inline vcg::Point2<S> Project(const vcg::Point3<S> & p);
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inline vcg::Point2<S> LocalToViewport(const vcg::Point2<S> & p);
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inline vcg::Point2<S> LocalTo_0_1(const vcg::Point2<S> & p);
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inline vcg::Point2<S> LocalTo_neg1_1(const vcg::Point2<S> & p);
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};
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2005-01-05 14:25:29 +01:00
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/// project a point in the camera plane (in space [-1,-1]x[1,1] )
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template<class S>
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vcg::Point2<S> Camera<S>::Project(const vcg::Point3<S> & p){
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vcg::Point2<S> q = Point2<S>( p[0],p[1]);
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// nota: per le camere ortogonali viewportM vale 1
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if(!IsOrtho())
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{
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q[0] *= f/p.Z();
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q[1] *= f/p.Z();
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}
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return q;
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2004-09-16 00:58:05 +02:00
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}
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template<class S>
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vcg::Point2<S> Camera<S>::LocalToViewport(const vcg::Point2<S> & p){
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vcg::Point2<S> ps;
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ps[0] = p[0]/s.X()+c.X();
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ps[1] = p[1]/s.Y()+c.Y();
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return ps;
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}
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template<class S>
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vcg::Point2<S> Camera<S>::LocalTo_0_1(const vcg::Point2<S> & p){
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vcg::Point2<S> ps;
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ps[0] = ( p[0]/s.X() + c.X() ) / (ScalarType) viewport[0];
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ps[1] = ( p[1]/s.Y() + c.Y() ) / (ScalarType) viewport[1];
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return ps;
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}
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template<class S>
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vcg::Point2<S> Camera<S>::LocalTo_neg1_1(const vcg::Point2<S> & p){
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vcg::Point2<S> ps;
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ps[0] = 2 * p[0] / ( s.X() * viewport[0] );
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ps[1] = 2 * p[1] / ( s.Y() * viewport[1] );
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return ps;
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}
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2004-12-15 19:45:50 +01:00
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/// set the camera specifying the perspective view
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template<class S>
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void Camera<S>::SetPerspective( S angle,
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S ratio,
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S near_thr,
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S far_thr,
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vcg::Point2<S> vp)
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{
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S halfsize[2];
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halfsize[1] = tan(math::ToRad(angle/2)) * near_thr;
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halfsize[0] = halfsize[1]*ratio;
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2005-01-18 16:14:22 +01:00
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SetFrustum(-halfsize[0],halfsize[0],-halfsize[1],halfsize[1],near_thr,far_thr,vp);
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}
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/// set the camera specifying the frustum view
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template<class S>
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void Camera<S>::SetFrustum( S sx,
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S dx,
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S bt,
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S tp,
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S near_thr,
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S far_thr,
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vcg::Point2<S> vp )
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{
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S vpt[2];
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vpt[0] = dx-sx;
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vpt[1] = tp-bt;
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viewport[0] = vp[0];
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if(vp[1] != -1)
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viewport[1] = vp[1];// the user specified the viewport
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else
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viewport[1] = viewport[0];// default viewport
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s[0] = vpt[0]/(S) viewport[0];
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s[1] = vpt[1]/(S) viewport[1];
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c[0] = -sx/vpt[0] * viewport[0];
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c[1] = -bt/vpt[1] * viewport[1];
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f =near_thr;
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farend = far_thr;
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}
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2005-02-22 11:57:58 +01:00
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template<class S>
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void Camera<S>:: GetFrustum( S & sx,
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S & dx,
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S & bt,
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S & tp,
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S & nr ,
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S & fr )
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{
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dx = c.X()*s.X(); //scaled center
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sx = -( viewport.X() - c.X() ) * s.X();
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bt = -c.Y()*s.Y();
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tp = ( viewport.Y() - c.Y() ) * s.Y();
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nr = f;
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fr = farend;
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}
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};
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#endif
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//private:
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//
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// static inline S SQRT( S x) { return sqrt(fabs(x)); }
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// static inline S CBRT ( S x )
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// {
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// if (x == 0) return 0;
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// else if (x > 0) return pow (x, 1.0 / 3.0);
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// else return -pow (-x, 1.0 / 3.0);
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// }
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// static inline void SINCOS( S x, S & s, S & c)
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// {
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// s=sin(x);
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// c=cos(x);
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// }
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// static inline void SINCOSd( double x, double & s, double & c)
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// {
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// s=sin(x);
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// c=cos(x);
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// }
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// static inline S CUB( S x ) { return x*x*x; }
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// static inline S SQR( S x ) { return x*x; }
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//
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//public:
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// void undistorted_to_distorted_sensor_coord (S Xu, S Yu, S & Xd, S & Yd) const
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// {
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// const S SQRT3 = S(1.732050807568877293527446341505872366943);
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// S Ru,Rd,lambda,c,d,Q,R,D,S,T,sinT,cosT;
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//
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// if((Xu==0 && Yu==0) || k[0] == 0)
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// {
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// Xd = Xu;
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// Yd = Yu;
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// return;
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// }
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//
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// Ru = hypot (Xu, Yu); /* SQRT(Xu*Xu+Yu*Yu) */
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// c = 1 / k[0];
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// d = -c * Ru;
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//
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// Q = c / 3;
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// R = -d / 2;
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// D = CUB (Q) + SQR (R);
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//
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// if (D >= 0) /* one real root */
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// {
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// D = SQRT (D);
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// S = CBRT (R + D);
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// T = CBRT (R - D);
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// Rd = S + T;
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//
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// if (Rd < 0)
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// Rd = SQRT (-1 / (3 * k[0]));
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// }
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// else /* three real roots */
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// {
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// D = SQRT (-D);
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// S = CBRT (hypot (R, D));
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// T = atan2 (D, R) / 3;
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// SINCOS (T, sinT, cosT);
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//
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// /* the larger positive root is 2*S*cos(T) */
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// /* the smaller positive root is -S*cos(T) + SQRT(3)*S*sin(T) */
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// /* the negative root is -S*cos(T) - SQRT(3)*S*sin(T) */
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// Rd = -S * cosT + SQRT3 * S * sinT; /* use the smaller positive root */
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// }
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//
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// lambda = Rd / Ru;
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//
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// Xd = Xu * lambda;
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// Yd = Yu * lambda;
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// }
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//
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//
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//void correction(double k, float i, float j, float &disi, float &disj)
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//{
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// // (i,j) punto nell'immagine distorta
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// // (disi,disj) punto nell'immagine corretta (undistorted)
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// float hyp;
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// float I,J,ni,nj;
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// float ratio = 1;
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//
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// ni = i-viewport[0]/2;
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// nj = j-viewport[1]/2;
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// hyp = ni*ni + nj*nj;
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//
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// I = ni * (1+ k * hyp);
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// J = nj * (1+ k * hyp);
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//
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// disi = (I*ratio+viewport[0]/2);
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// disj = (J*ratio+viewport[1]/2);
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//}
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//
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//
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//
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//void distorsion( float k ,float i, float j,double & disi, double &disj)
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//{
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// // (i,j) punto nell'immagine corretta (undistorted)
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// // (disi,disj) punto nell'immagine distorta
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// float hyp;
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// int _I,_J;
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// float I,J,ni,nj;
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// I = i-viewport[0]/2;
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// J = j-viewport[1]/2;
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// hyp = sqrt(I*I + J*J);
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// if((k==0.0) || (hyp <0.001))
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// {
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// disi = i;
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// disj = j;
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// }
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// else
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// {
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// undistorted_to_distorted_sensor_coord (I, J, disi, disj);
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// disi += viewport[0]/2;
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// disj += viewport[1]/2;
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//
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//
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//// hyp = (viewport[0]*viewport[0] + viewport[1]*viewport[1])/4;
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//// ni = SX/2 + SX/2 * cam.k[0] * hyp;
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///// nj = SY/2 + SY/2 * cam.k[0] * hyp;
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//// float ratio = sqrt(hyp/(ni*ni + nj*nj));
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// float ratio=1;
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//
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//
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//
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// //----------- Maple
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// // float t0,t1,t2,sol;
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//
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// //t0 = 1/k*pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,0.3333333333333333)/6.0-2.0/pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,0.3333333333333333);
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//
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//
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// //t1 = -1/k*pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,0.3333333333333333)/12.0+1/pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*
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// //hyp*k)/k))*k*k,0.3333333333333333)+sqrt(-1.0)*sqrt(3.0)*(1/k*pow((108.0*hyp+
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// //12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,0.3333333333333333)/6.0+2.0/
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// //pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,
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// //0.3333333333333333))/2.0;
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//
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// //t2 = -1/k*pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,0.3333333333333333)/12.0+1/pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*
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// //hyp*k)/k))*k*k,0.3333333333333333)-sqrt(-1.0)*sqrt(3.0)*(1/k*pow((108.0*hyp+
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// //12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,0.3333333333333333)/6.0+2.0/
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// //pow((108.0*hyp+12.0*sqrt(3.0)*sqrt((4.0+27.0*hyp*hyp*k)/k))*k*k,
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// //0.3333333333333333))/2.0;
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//
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// //sol = (t0>t1)?t0:t1;
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// //sol = (sol<t2)?t2:sol;
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// //sol = t0;
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// //ni = sol*I/hyp;
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// //nj = sol*J/hyp;
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// ////-----------
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//
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// //disi = (ni*ratio+viewport[0]/2);
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// //disj = (nj*ratio+viewport[1]/2);
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// }
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//}
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// void ResizeGridMap(const int & si,const int & sj ){
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// int j;
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// gridMap.resize(sj+1);
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// for(j=0; j < sj+1; j++)
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// gridMap[j].resize(si+1);
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// }
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// void UpdateGridMap(){
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// int sj = gridMap.size();
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// int si = gridMap[0].size();
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|
// int i,j;
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// for(j=0; j < sj; j++)
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|
// for(i=0; i < gridMap[0].size(); i++)
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// // gridMap[i][j] = Point2<scalar> (i/(double)(si-1),j/(double)(sj-1));
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// {
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|
// double disi,disj;
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|
|
// distorsion( k[0] ,(i/(double)(si-1))*viewport[0], (j/(double)(sj-1))*viewport[1],disi,disj);
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// gridMap[i][j] = Point2<scalar> (disi/viewport[0],disj/viewport[1]);
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// }
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// }
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//
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|
|
// inline Camera()
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|
// {
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|
// k[0]=k[1]=k[2]=k[3]=0.0;
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|
// valid = false;
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|
// ortho = false;
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|
// ResizeGridMap(100,100);// da spostare altrove
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|
// }
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//
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|
// inline bool IsValid()
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|
// {
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|
|
// return valid;
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// }
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//
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// inline bool IsOrtho() const
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// {
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|
// return ortho;
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// }
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//
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// inline void SetInvalid()
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|
// {
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|
// valid = false;
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// }
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//
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// inline void SetOrtho(bool isOrtho=true)
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|
// {
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|
// ortho = isOrtho;
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// }
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//
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|
|
// // Genera una camera standard
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// void Standard()
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// {
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// valid = true;
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// ortho = false;
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// view_p = vectorial(0,0,0);
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// x_axis = vectorial(1,0,0);
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// y_axis = vectorial(0,1,0);
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// z_axis = vectorial(0,0,1);
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// f = 25.75;
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// s = Point2<S>(0.0074,0.0074);
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// c = Point2<S>(320,240);
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// viewport[0] = 640;
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// viewport[1] = 480;
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// k[0] = 0;
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// k[1] = 0;
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// k[2] = 0;
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// k[3] = 0;
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// }
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//
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|
|
|
// // Trasla la camera (world coordinate)
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// inline void Translate( const vectorial & t )
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// {
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// view_p += t;
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// }
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//
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|
|
// // Trasla la camera (camera coordinate)
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|
// inline void Move( const vectorial & t )
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// {
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|
// view_p+= x_axis * t[0]+y_axis * t[1] + z_axis * t[2];
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// }
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//
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|
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// // scala la camera
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// inline void Scale(const scalar & sc){
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// view_p *=sc;
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// s[0]*=sc;
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// s[1]*=sc;
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// f*=sc;
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// //printf("sc\n");
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// }
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//
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//
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//
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|
// // NOTA funziona solo se l'ultima colonna di m e' 0,0,0,1
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// void Apply( const Matrix44<S> & m )
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|
// {
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|
|
// // Passo 1: calcolo pseudo inversa di m
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// S s11,s12,s13;
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// S s21,s22,s23;
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// S s31,s32,s33;
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// S s41,s42,s43;
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//
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// {
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// S t4 = m[0][0]*m[1][1];
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// S t6 = m[0][0]*m[2][1];
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// S t8 = m[1][0]*m[0][1];
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// S t10 = m[1][0]*m[2][1];
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// S t12 = m[2][0]*m[0][1];
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// S t14 = m[2][0]*m[1][1];
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// S t17 = 1/(t4*m[2][2]-t6*m[1][2]-t8*m[2][2]+t10*m[0][2]+t12*m[1][2]-t14*m[0][2]);
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// S t27 = m[1][0]*m[2][2];
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|
// S t28 = m[2][0]*m[1][2];
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|
// S t31 = m[0][0]*m[2][2];
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|
// S t32 = m[2][0]*m[0][2];
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|
// S t35 = m[0][0]*m[1][2];
|
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|
|
|
// S t36 = m[1][0]*m[0][2];
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|
|
// S t49 = m[3][0]*m[1][1];
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|
|
|
// S t51 = m[3][0]*m[2][1];
|
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|
|
|
// S t59 = m[3][0]*m[0][1];
|
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|
|
|
// s11 = -(-m[1][1]*m[2][2]+m[2][1]*m[1][2])*t17;
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|
|
|
// s12 = -( m[0][1]*m[2][2]-m[2][1]*m[0][2])*t17;
|
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|
|
|
// s13 = ( m[0][1]*m[1][2]-m[1][1]*m[0][2])*t17;
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|
|
|
// s21 = (-t27+t28)*t17;
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|
|
|
// s22 = -(-t31+t32)*t17;
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|
|
|
// s23 = -( t35-t36)*t17;
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|
|
|
// s31 = -(-t10+t14)*t17;
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|
|
|
// s32 = (-t6 +t12)*t17;
|
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|
|
|
// s33 = ( t4 -t8 )*t17;
|
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|
|
|
// s41 = -(t10*m[3][2]-t27*m[3][1]-t14*m[3][2]+t28*m[3][1]+t49*m[2][2]-t51*m[1][2])*t17;
|
|
|
|
|
// s42 = -(-t6*m[3][2]+t31*m[3][1]+t12*m[3][2]-t32*m[3][1]-t59*m[2][2]+t51*m[0][2])*t17;
|
|
|
|
|
// s43 = (-t4*m[3][2]+t35*m[3][1]+t8 *m[3][2]-t36*m[3][1]-t59*m[1][2]+t49*m[0][2])*t17;
|
|
|
|
|
// 1.0;
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// //Matrix44<S> t2 = tt*m;
|
|
|
|
|
// //print(t2);
|
|
|
|
|
// // Fase 2: Calcolo nuovo punto di vista
|
|
|
|
|
// {
|
|
|
|
|
// S t1 = view_p[2]*s31;
|
|
|
|
|
// S t3 = view_p[2]*s21;
|
|
|
|
|
// S t5 = s43*s21;
|
|
|
|
|
// S t7 = s43*s31;
|
|
|
|
|
// S t9 = view_p[1]*s31;
|
|
|
|
|
// S t11 = view_p[1]*s21;
|
|
|
|
|
// S t13 = s42*s31;
|
|
|
|
|
// S t15 = s42*s21;
|
|
|
|
|
// S t17 = view_p[0]*s32;
|
|
|
|
|
// S t19 = view_p[0]*s22;
|
|
|
|
|
// S t21 = s41*s32;
|
|
|
|
|
// S t23 = s41*s22;
|
|
|
|
|
// S t25 = -t1*s22+t3*s32-t5*s32+t7*s22+t9*s23-t11*s33-t13*s23+t15*s33-t17*s23+t19*s33+t21*s23-t23*s33;
|
|
|
|
|
// S t39 = 1/(s11*s22*s33-s11*s32*s23-s21*s12*s33+s21*s32*s13+s31*s12*s23-s31*s22*s13);
|
|
|
|
|
// S t41 = view_p[0]*s12;
|
|
|
|
|
// S t45 = s41*s12;
|
|
|
|
|
// S t47 = view_p[2]*s11;
|
|
|
|
|
// S t50 = s43*s11;
|
|
|
|
|
// S t53 = view_p[1]*s11;
|
|
|
|
|
// S t56 = s42*s11;
|
|
|
|
|
// S t59 = t41*s33-t17*s13+t21*s13-t45*s33+t47*s32-t1*s12-t50*s32+t7*s12-t53*s33+t9*s13+t56*s33-t13*s13;
|
|
|
|
|
// S t73 = t15*s13-t56*s23+t19*s13-t41*s23-t23*s13+t45*s23-t11*s13+t53*s23+t3*s12-t47*s22-t5*s12+t50*s22;
|
|
|
|
|
//
|
|
|
|
|
// view_p[0] = t25*t39;
|
|
|
|
|
// view_p[1] = -t59*t39;
|
|
|
|
|
// view_p[2] = -t73*t39;
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// // Fase 3: Calcol nuovo sistema di riferimento
|
|
|
|
|
// {
|
|
|
|
|
// S A00 = s11*x_axis[0]+s12*x_axis[1]+s13*x_axis[2];
|
|
|
|
|
// S A01 = s11*y_axis[0]+s12*y_axis[1]+s13*y_axis[2];
|
|
|
|
|
// S A02 = s11*z_axis[0]+s12*z_axis[1]+s13*z_axis[2];
|
|
|
|
|
// // S A03 = 0.0;
|
|
|
|
|
// S A10 = s21*x_axis[0]+s22*x_axis[1]+s23*x_axis[2];
|
|
|
|
|
// S A11 = s21*y_axis[0]+s22*y_axis[1]+s23*y_axis[2];
|
|
|
|
|
// S A12 = s21*z_axis[0]+s22*z_axis[1]+s23*z_axis[2];
|
|
|
|
|
// // S A13 = 0.0;
|
|
|
|
|
// S A20 = s31*x_axis[0]+s32*x_axis[1]+s33*x_axis[2];
|
|
|
|
|
// S A21 = s31*y_axis[0]+s32*y_axis[1]+s33*y_axis[2];
|
|
|
|
|
// S A22 = s31*z_axis[0]+s32*z_axis[1]+s33*z_axis[2];
|
|
|
|
|
//
|
|
|
|
|
// x_axis[0] = A00; x_axis[1] = A10; x_axis[2] = A20;
|
|
|
|
|
// y_axis[0] = A01; y_axis[1] = A11; y_axis[2] = A21;
|
|
|
|
|
// z_axis[0] = A02; z_axis[1] = A12; z_axis[2] = A22;
|
|
|
|
|
// // S A1[2][3] = 0.0;
|
|
|
|
|
// // S A1[3][0] = 0.0;
|
|
|
|
|
// // S A1[3][1] = 0.0;
|
|
|
|
|
// // S A1[3][2] = 0.0;
|
|
|
|
|
// // S A1[3][3] = 1.0;
|
|
|
|
|
// }
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// /*
|
|
|
|
|
// // Applica una trasformazione
|
|
|
|
|
// void Apply( const Matrix44<S> & m )
|
|
|
|
|
// {
|
|
|
|
|
// Point3<S> tx = view_p+x_axis;
|
|
|
|
|
// Point3<S> ty = view_p+y_axis;
|
|
|
|
|
// Point3<S> tz = view_p+z_axis;
|
|
|
|
|
//
|
|
|
|
|
// view_p = m.Apply(view_p);
|
|
|
|
|
//
|
|
|
|
|
// x_axis = m.Apply(tx) - view_p;
|
|
|
|
|
// y_axis = m.Apply(ty) - view_p;
|
|
|
|
|
// z_axis = m.Apply(tz) - view_p;
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// // Applica una trasformazione ma bene!
|
|
|
|
|
// void Stable_Apply( const Matrix44<S> & m )
|
|
|
|
|
// {
|
|
|
|
|
// Point3<S> tx = view_p+x_axis;
|
|
|
|
|
// Point3<S> ty = view_p+y_axis;
|
|
|
|
|
// Point3<S> tz = view_p+z_axis;
|
|
|
|
|
//
|
|
|
|
|
// view_p = m.Stable_Apply(view_p);
|
|
|
|
|
//
|
|
|
|
|
// x_axis = m.Stable_Apply(tx) - view_p;
|
|
|
|
|
// y_axis = m.Stable_Apply(ty) - view_p;
|
|
|
|
|
// z_axis = m.Stable_Apply(tz) - view_p;
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// */
|
|
|
|
|
//
|
|
|
|
|
// void Project( const vectorial & p, Point2<S> & q ) const
|
|
|
|
|
// {
|
|
|
|
|
// vectorial dp = p - view_p;
|
|
|
|
|
// S dx = dp*x_axis;
|
|
|
|
|
// S dy = dp*y_axis;
|
|
|
|
|
// S dz = dp*z_axis;
|
|
|
|
|
//
|
|
|
|
|
// S tx = dx;
|
|
|
|
|
// S ty = -dy;
|
|
|
|
|
// S qx,qy;
|
|
|
|
|
//
|
|
|
|
|
// // nota: per le camere ortogonali viewportM vale 1
|
|
|
|
|
// if(!IsOrtho())
|
|
|
|
|
// {
|
|
|
|
|
// tx *= f/dz;
|
|
|
|
|
// ty *= f/dz;
|
|
|
|
|
//
|
|
|
|
|
// undistorted_to_distorted_sensor_coord(tx,ty,qx,qy);
|
|
|
|
|
//
|
|
|
|
|
// q[0] = qx/s[0]+c[0];
|
|
|
|
|
// q[1] = qy/s[1]+c[1];
|
|
|
|
|
// }
|
|
|
|
|
// else
|
|
|
|
|
// {
|
|
|
|
|
// q[0] = tx/(s[0]*viewportM)+c[0];
|
|
|
|
|
// q[1] = ty/(s[1]*viewportM)+c[1];
|
|
|
|
|
// }
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
//#if 1
|
|
|
|
|
// void Show( FILE * fp )
|
|
|
|
|
// {
|
|
|
|
|
// if(valid)
|
|
|
|
|
// fprintf(fp,
|
|
|
|
|
// "posiz.: %g %g %g\n"
|
|
|
|
|
// "x axis: %g %g %g\n"
|
|
|
|
|
// "y axis: %g %g %g\n"
|
|
|
|
|
// "z axis: %g %g %g\n"
|
|
|
|
|
// "focal : %g scale: %g %g center: %g %g\n"
|
|
|
|
|
// "viewp.: %d %d distorsion: %g %g %g %g\n"
|
|
|
|
|
// ,view_p[0],view_p[1],view_p[2]
|
|
|
|
|
// ,x_axis[0],x_axis[1],x_axis[2]
|
|
|
|
|
// ,y_axis[0],y_axis[1],y_axis[2]
|
|
|
|
|
// ,z_axis[0],z_axis[1],z_axis[2]
|
|
|
|
|
// ,f,s[0],s[1],c[0],c[1]
|
|
|
|
|
// ,viewport[0],viewport[1],k[0],k[1],k[2],k[3]
|
|
|
|
|
// );
|
|
|
|
|
// else
|
|
|
|
|
// fprintf(fp,"Invalid\n");
|
|
|
|
|
// }
|
|
|
|
|
//#endif
|
|
|
|
|
//
|
|
|
|
|
// // Legge una camera in descrizione tsai binario
|
|
|
|
|
// static void load_tsai_bin (FILE *fp, tsai_camera_parameters *cp, tsai_calibration_constants *cc)
|
|
|
|
|
// {
|
|
|
|
|
// double sa,
|
|
|
|
|
// ca,
|
|
|
|
|
// sb,
|
|
|
|
|
// cb,
|
|
|
|
|
// sg,
|
|
|
|
|
// cg;
|
|
|
|
|
//
|
|
|
|
|
// fread(&(cp->Ncx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->Nfx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->dx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->dy),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->dpx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->dpy),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->Cx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->Cy),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cp->sx),sizeof(double),1,fp);
|
|
|
|
|
//
|
|
|
|
|
// fread(&(cc->f),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->kappa1),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->Tx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->Ty),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->Tz),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->Rx),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->Ry),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->Rz),sizeof(double),1,fp);
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
// SINCOSd (cc->Rx, sa, ca);
|
|
|
|
|
// SINCOSd (cc->Ry, sb, cb);
|
|
|
|
|
// SINCOSd (cc->Rz, sg, cg);
|
|
|
|
|
//
|
|
|
|
|
// cc->r1 = cb * cg;
|
|
|
|
|
// cc->r2 = cg * sa * sb - ca * sg;
|
|
|
|
|
// cc->r3 = sa * sg + ca * cg * sb;
|
|
|
|
|
// cc->r4 = cb * sg;
|
|
|
|
|
// cc->r5 = sa * sb * sg + ca * cg;
|
|
|
|
|
// cc->r6 = ca * sb * sg - cg * sa;
|
|
|
|
|
// cc->r7 = -sb;
|
|
|
|
|
// cc->r8 = cb * sa;
|
|
|
|
|
// cc->r9 = ca * cb;
|
|
|
|
|
//
|
|
|
|
|
// fread(&(cc->p1),sizeof(double),1,fp);
|
|
|
|
|
// fread(&(cc->p2),sizeof(double),1,fp);
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// void load_tsai (FILE *fp, tsai_camera_parameters *cp, tsai_calibration_constants *cc)
|
|
|
|
|
// {
|
|
|
|
|
// double sa,
|
|
|
|
|
// ca,
|
|
|
|
|
// sb,
|
|
|
|
|
// cb,
|
|
|
|
|
// sg,
|
|
|
|
|
// cg;
|
|
|
|
|
//
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->Ncx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->Nfx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->dx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->dy));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->dpx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->dpy));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->Cx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->Cy));
|
|
|
|
|
// fscanf (fp, "%lf", &(cp->sx));
|
|
|
|
|
//
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->f));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->kappa1));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->Tx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->Ty));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->Tz));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->Rx));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->Ry));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->Rz));
|
|
|
|
|
//
|
|
|
|
|
// SINCOSd (cc->Rx, sa, ca);
|
|
|
|
|
// SINCOSd (cc->Ry, sb, cb);
|
|
|
|
|
// SINCOSd (cc->Rz, sg, cg);
|
|
|
|
|
//
|
|
|
|
|
// cc->r1 = cb * cg;
|
|
|
|
|
// cc->r2 = cg * sa * sb - ca * sg;
|
|
|
|
|
// cc->r3 = sa * sg + ca * cg * sb;
|
|
|
|
|
// cc->r4 = cb * sg;
|
|
|
|
|
// cc->r5 = sa * sb * sg + ca * cg;
|
|
|
|
|
// cc->r6 = ca * sb * sg - cg * sa;
|
|
|
|
|
// cc->r7 = -sb;
|
|
|
|
|
// cc->r8 = cb * sa;
|
|
|
|
|
// cc->r9 = ca * cb;
|
|
|
|
|
//
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->p1));
|
|
|
|
|
// fscanf (fp, "%lf", &(cc->p2));
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// // Importa una camera dal formato tsai
|
|
|
|
|
// void import( const tsai_camera_parameters & cp,
|
|
|
|
|
// const tsai_calibration_constants & cc,
|
|
|
|
|
// const int image_viewport[2]
|
|
|
|
|
// )
|
|
|
|
|
// {
|
|
|
|
|
// assert(!IsOrtho());
|
|
|
|
|
// valid = true;
|
|
|
|
|
// x_axis[0] = cc.r1; x_axis[1] = cc.r2; x_axis[2] = cc.r3;
|
|
|
|
|
// y_axis[0] = cc.r4; y_axis[1] = cc.r5; y_axis[2] = cc.r6;
|
|
|
|
|
// z_axis[0] = cc.r7; z_axis[1] = cc.r8; z_axis[2] = cc.r9;
|
|
|
|
|
//
|
|
|
|
|
// view_p[0] = - (cc.Tx * x_axis[0] + cc.Ty * y_axis[0] + cc.Tz * z_axis[0]);
|
|
|
|
|
// view_p[1] = - (cc.Tx * x_axis[1] + cc.Ty * y_axis[1] + cc.Tz * z_axis[1]);
|
|
|
|
|
// view_p[2] = - (cc.Tx * x_axis[2] + cc.Ty * y_axis[2] + cc.Tz * z_axis[2]);
|
|
|
|
|
//
|
|
|
|
|
// s[0] = cp.dpx/cp.sx;
|
|
|
|
|
// s[1] = cp.dpy;
|
|
|
|
|
// c[0] = cp.Cx;
|
|
|
|
|
// c[1] = cp.Cy;
|
|
|
|
|
//
|
|
|
|
|
// f = cc.f;
|
|
|
|
|
// viewport[0] = image_viewport[0];
|
|
|
|
|
// viewport[1] = image_viewport[1];
|
|
|
|
|
//
|
|
|
|
|
// k[0] = cc.kappa1;
|
|
|
|
|
// k[1] = cc.kappa1;
|
|
|
|
|
// k[2] = 0;
|
|
|
|
|
// k[2] = 0;
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// // Esporta una camera in formato tsai
|
|
|
|
|
// void export( tsai_camera_parameters & cp,
|
|
|
|
|
// tsai_calibration_constants & cc,
|
|
|
|
|
// int image_viewport[2]
|
|
|
|
|
// )
|
|
|
|
|
// {
|
|
|
|
|
// assert(!IsOrtho());
|
|
|
|
|
// cc.r1 = x_axis[0]; cc.r2 = x_axis[1]; cc.r3= x_axis[2] ;
|
|
|
|
|
// cc.r4 = y_axis[0]; cc.r5 = y_axis[1]; cc.r6= y_axis[2] ;
|
|
|
|
|
// cc.r7 = z_axis[0]; cc.r8 = z_axis[1]; cc.r9= z_axis[2] ;
|
|
|
|
|
//
|
|
|
|
|
// cc.Tx = - (view_p[0] * x_axis[0] + view_p[1] * x_axis[1] + view_p[2] * x_axis[2]);
|
|
|
|
|
// cc.Ty = - (view_p[0] * y_axis[0] + view_p[1] * y_axis[1] + view_p[2] * y_axis[2]);
|
|
|
|
|
// cc.Tz = - (view_p[0] * z_axis[0] + view_p[1] * z_axis[1] + view_p[2] * z_axis[2]);
|
|
|
|
|
//
|
|
|
|
|
// cp.dpx = s[0];
|
|
|
|
|
// cp.dpy = s[1];
|
|
|
|
|
//
|
|
|
|
|
// cp.Cx= c[0] ;
|
|
|
|
|
// cp.Cy= c[1] ;
|
|
|
|
|
// cp.sx= 1;
|
|
|
|
|
//
|
|
|
|
|
// cc.f= f ;
|
|
|
|
|
//
|
|
|
|
|
// image_viewport[0] = viewport[0];
|
|
|
|
|
// image_viewport[1] = viewport[1];
|
|
|
|
|
//
|
|
|
|
|
// cc.kappa1= k[0] ;
|
|
|
|
|
// cc.kappa1= k[1] ;
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
// void Save(FILE * out)
|
|
|
|
|
// {
|
|
|
|
|
// fprintf(out,"VIEW_POINT %f %f %f\n", view_p[0],view_p[1],view_p[2]);
|
|
|
|
|
// fprintf(out,"X_AXIS %f %f %f\n", x_axis[0],x_axis[1],x_axis[2]);
|
|
|
|
|
// fprintf(out,"Y_AXIS %f %f %f\n", y_axis[0],y_axis[1],y_axis[2]);
|
|
|
|
|
// fprintf(out,"Z_AXIS %f %f %f\n", z_axis[0],z_axis[1],z_axis[2]);
|
|
|
|
|
// fprintf(out,"FOCUS_LENGHT %f \n", f);
|
|
|
|
|
// fprintf(out,"SCALE %f %f \n", s[0], s[1]);
|
|
|
|
|
// fprintf(out,"VIEWPORT %d %d \n", viewport[0], viewport[1]);
|
|
|
|
|
// fprintf(out,"VIEWPORTM %f\n", viewportM);
|
|
|
|
|
// fprintf(out,"RADIAL_DISTORSION %.10g %.10g \n", k[0],k[1]);
|
|
|
|
|
// fprintf(out,"CENTER %f %f \n", c[0], c[1]);
|
|
|
|
|
// fprintf(out,"IS_VALID %d\n", IsValid());
|
|
|
|
|
// fprintf(out,"END_CAMERA\n");
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// void Load(FILE * in)
|
|
|
|
|
// {
|
|
|
|
|
// char row[255];
|
|
|
|
|
// Standard();
|
|
|
|
|
// while(!feof(in))
|
|
|
|
|
// {
|
|
|
|
|
// fscanf(in,"%s",row);
|
|
|
|
|
// if(strcmp(row,"VIEW_POINT")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg %lg",&view_p[0],&view_p[1],&view_p[2]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"X_AXIS")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg %lg",& x_axis[0],&x_axis[1],&x_axis[2]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"Y_AXIS")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg %lg",& y_axis[0],&y_axis[1],&y_axis[2]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"Z_AXIS")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg %lg",& z_axis[0],&z_axis[1],&z_axis[2]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"FOCUS_LENGHT")==0)
|
|
|
|
|
// fscanf(in,"%lg",&f);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"SCALE")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg",&s[0],&s[1]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"VIEWPORT")==0)
|
|
|
|
|
// fscanf(in,"%d %d", &viewport[0],&viewport[1]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"VIEWPORTM")==0)
|
|
|
|
|
// fscanf(in,"%f", &viewportM);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"CENTER")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg", &c[0],&c[1]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"RADIAL_DISTORSION")==0)
|
|
|
|
|
// fscanf(in,"%lg %lg", &k[0],&k[1]);
|
|
|
|
|
// else
|
|
|
|
|
// if(strcmp(row,"IS_VALID")==0)
|
|
|
|
|
// fscanf(in,"%d",&valid);
|
|
|
|
|
// if(strcmp(row,"END_CAMERA")==0)
|
|
|
|
|
// break;
|
|
|
|
|
// }
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
//#ifdef __GL_H__
|
|
|
|
|
//
|
|
|
|
|
//// Prende in ingresso il bounding box dell'oggetto da inquadrare e setta projection e modelmatrix
|
|
|
|
|
//// in modo da matchare il piu' possibile quelle della camera. Ovviamente (?) si ignora le distorsioni radiali.
|
2004-11-03 10:32:50 +01:00
|
|
|
//// Nota che bb viene utilizzato solo per settare i near e farend plane in maniera sensata.
|
2004-09-16 00:58:05 +02:00
|
|
|
//void SetGL(const Box3<scalar> &bb,scalar subx0=0, scalar subx1=1,scalar suby0=0,scalar suby1=1)
|
|
|
|
|
//{
|
|
|
|
|
// scalar _,__;
|
|
|
|
|
// SetGL(_,__,bb,subx0, subx1, suby0, suby1);
|
|
|
|
|
//
|
|
|
|
|
//}
|
|
|
|
|
//
|
|
|
|
|
//void SetGL(scalar &znear, scalar &zfar,const Box3<scalar> &bb,scalar subx0=0,
|
|
|
|
|
// scalar subx1=1,scalar suby0=0,scalar suby1=1)
|
|
|
|
|
//{
|
|
|
|
|
// glMatrixMode(GL_PROJECTION);
|
|
|
|
|
// glLoadIdentity();
|
|
|
|
|
// scalar left,right;
|
|
|
|
|
// scalar bottom, top;
|
|
|
|
|
// scalar w,h;
|
|
|
|
|
//
|
|
|
|
|
// // La lunghezza focale <f> e' la distanza del piano immagine dal centro di proiezione.
|
|
|
|
|
// // il che mappa direttamente nella chiamata glFrustum che prende in ingresso
|
|
|
|
|
// // le coordinate del piano immagine posto a znear.
|
|
|
|
|
//
|
|
|
|
|
// float imleft =-c[0]*s[0];
|
|
|
|
|
// float imright =(viewport[0]-c[0])*s[0];
|
|
|
|
|
// float imbottom =-c[1]*s[1];
|
|
|
|
|
// float imtop =(viewport[1]-c[1])*s[1];
|
|
|
|
|
// znear = Distance(view_p, bb.Center())-bb.Diag();
|
|
|
|
|
// zfar = Distance(view_p, bb.Center())+bb.Diag();
|
|
|
|
|
//
|
|
|
|
|
// w=imright-imleft;
|
|
|
|
|
// h=imtop-imbottom;
|
|
|
|
|
//
|
|
|
|
|
// // Quindi il frustum giusto sarebbe questo,
|
|
|
|
|
// // glFrustum(imleft, imright, imbottom, imtop, f, zfar);
|
|
|
|
|
// // ma per amor di opengl conviene spostare il near plane fino ad essere vicino all'oggetto da inquadrare.
|
|
|
|
|
// // Cambiare f significa amplificare in maniera proporzionale anche i left right ecc.
|
|
|
|
|
//
|
|
|
|
|
// // 8/5/02 Nota che il near plane va spostato verso l'oggetto solo se quello calcolato sopra e' maggiore di 'f'
|
|
|
|
|
// // nota che potrebbe anche succedere che znear <0 (viewpoint vicino ad un oggetto con il bb allungato);
|
|
|
|
|
// if(znear<f) znear=f;
|
|
|
|
|
//
|
|
|
|
|
// float nof = znear/f;
|
|
|
|
|
// if(subx0==0 && subx1 == 1 && suby0==0 && suby1 == 1)
|
|
|
|
|
// {
|
|
|
|
|
// if(!IsOrtho())
|
|
|
|
|
// glFrustum(imleft*nof, imright*nof, imbottom*nof, imtop*nof, znear, zfar);
|
|
|
|
|
// else
|
|
|
|
|
// glOrtho(imleft*viewportM, imright*viewportM, imbottom*viewportM, imtop*viewportM, znear, zfar);
|
|
|
|
|
// }
|
|
|
|
|
// else {// nel caso si voglia fare subboxing
|
|
|
|
|
// left = imleft+w*subx0;
|
|
|
|
|
// right = imleft+w*subx1;
|
|
|
|
|
// bottom = imbottom +h*suby0;
|
|
|
|
|
// top = imbottom +h*suby1;
|
|
|
|
|
// {
|
|
|
|
|
// if(!IsOrtho())
|
|
|
|
|
// glFrustum(left*nof, right*nof, bottom*nof, top*nof, znear, zfar);
|
|
|
|
|
// else
|
|
|
|
|
// glOrtho(left*viewportM, right*viewportM, bottom*viewportM, top*viewportM, znear, zfar);
|
|
|
|
|
// }
|
|
|
|
|
// }
|
|
|
|
|
//
|
|
|
|
|
// glMatrixMode(GL_MODELVIEW);
|
|
|
|
|
// glLoadIdentity();
|
|
|
|
|
// scalar l=max(scalar(1.0),view_p.Norm());
|
|
|
|
|
// gluLookAt(view_p[0], view_p[1], view_p[2],
|
|
|
|
|
// view_p[0] + (z_axis[0]*l),
|
|
|
|
|
// view_p[1] + (z_axis[1]*l),
|
|
|
|
|
// view_p[2] + (z_axis[2]*l),
|
|
|
|
|
// y_axis[0],y_axis[1],y_axis[2]);
|
|
|
|
|
//}
|
|
|
|
|
//// Sposta la camera a caso di in maniera che l'angolo di variazione rispetto al punt c passato sia inferiore a RadAngle
|
|
|
|
|
////
|
|
|
|
|
//void Jitter(Point3<scalar> c, scalar RadAngle)
|
|
|
|
|
//{
|
|
|
|
|
// Point3<scalar> rnd(1.0 - 2.0*scalar(rand())/RAND_MAX,
|
|
|
|
|
// 1.0 - 2.0*scalar(rand())/RAND_MAX,
|
|
|
|
|
// 1.0 - 2.0*scalar(rand())/RAND_MAX);
|
|
|
|
|
// rnd.Normalize();
|
|
|
|
|
// Matrix44<scalar> m,t0,t1,tr;
|
|
|
|
|
// Point3<scalar> axis = rnd ^ (view_p-c).Normalize();
|
|
|
|
|
// scalar RadRandAngle=RadAngle*(1.0 - 2.0*scalar(rand())/RAND_MAX);
|
|
|
|
|
// t0.Translate(c);
|
|
|
|
|
// t1.Translate(-c);
|
|
|
|
|
// m.Rotate(ToDeg(RadRandAngle),axis);
|
|
|
|
|
// tr=t1*m*t0;
|
|
|
|
|
// Apply(tr);
|
|
|
|
|
//}
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
//
|
|
|
|
|
//void glTexGen(int offx =0, // angolo basso sinistra della
|
|
|
|
|
// int offy=0, // subtexture per la quale si vogliono settare le coordinate
|
|
|
|
|
// int sx=1, // Dimensioni in Texel
|
|
|
|
|
// int sy=1,
|
|
|
|
|
// int Tx=1, // Dimensioni della texture
|
|
|
|
|
// int Ty=1)
|
|
|
|
|
//{
|
|
|
|
|
// // prendi la rototraslazione che
|
|
|
|
|
// // trasforma la coordinata nel
|
|
|
|
|
// // sistema di coordinate della camera
|
|
|
|
|
// Matrix44d M;
|
|
|
|
|
// M[0][0] = x_axis[0];
|
|
|
|
|
// M[0][1] = x_axis[1];
|
|
|
|
|
// M[0][2] = x_axis[2];
|
|
|
|
|
// M[0][3] = -view_p* x_axis ;
|
|
|
|
|
//
|
|
|
|
|
// M[1][0] = y_axis[0];
|
|
|
|
|
// M[1][1] = y_axis[1];
|
|
|
|
|
// M[1][2] = y_axis[2];
|
|
|
|
|
// M[1][3] = -view_p* y_axis;
|
|
|
|
|
//
|
|
|
|
|
// M[2][0] = z_axis[0];
|
|
|
|
|
// M[2][1] = z_axis[1];
|
|
|
|
|
// M[2][2] = z_axis[2];
|
|
|
|
|
// M[2][3] = -view_p* z_axis;
|
|
|
|
|
//
|
|
|
|
|
// M[3][0] = 0.0;
|
|
|
|
|
// M[3][1] = 0.0;
|
|
|
|
|
// M[3][2] = 0.0;
|
|
|
|
|
// M[3][3] = 1.0;
|
|
|
|
|
//
|
|
|
|
|
// // prendi la matrice di proiezione
|
|
|
|
|
// Matrix44d P;
|
|
|
|
|
// P.Zero();
|
|
|
|
|
//
|
|
|
|
|
// if(!IsOrtho())// prospettica
|
|
|
|
|
// {
|
|
|
|
|
//
|
|
|
|
|
// P[0][0] = sx/(s[0]*viewport[0]*Tx);
|
|
|
|
|
// P[0][2] = (1/f)*(offx+0.5*sx)/Tx;
|
|
|
|
|
//
|
|
|
|
|
// P[1][1] = sy/(s[1]* viewport[1]*Ty);
|
|
|
|
|
// P[1][2] = (1/f)*(offy+0.5*sy)/Ty;
|
|
|
|
|
//
|
|
|
|
|
// P[2][2] = 1;
|
|
|
|
|
// P[3][2] = 1/f;
|
|
|
|
|
// }
|
|
|
|
|
// else // ortogonale
|
|
|
|
|
// {
|
|
|
|
|
// P[0][0] = sx/(s[0]*viewport[0]*viewportM*Tx);
|
|
|
|
|
// P[0][3] = (offx+0.5*sx)/Tx; // l'effetto e' una traslazione di +1/2
|
|
|
|
|
//
|
|
|
|
|
// P[1][1] = sy/(s[1]* viewport[1]*viewportM*Ty);
|
|
|
|
|
// P[1][3] = (offy+0.5*sy)/Ty; // l'effetto e' una traslazione di +1/2
|
|
|
|
|
//
|
|
|
|
|
// P[2][2] = 1;
|
|
|
|
|
// P[3][3] = 1;
|
|
|
|
|
// }
|
|
|
|
|
// // componi
|
|
|
|
|
// Matrix44d PM = P*M;
|
|
|
|
|
//
|
|
|
|
|
// glTexGend(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
|
|
|
|
|
// glTexGend(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
|
|
|
|
|
// glTexGend(GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
|
|
|
|
|
//
|
|
|
|
|
// glTexGendv(GL_S,GL_OBJECT_PLANE,&PM[0][0]);
|
|
|
|
|
// glTexGendv(GL_T,GL_OBJECT_PLANE,&PM[1][0]);
|
|
|
|
|
// glTexGendv(GL_Q,GL_OBJECT_PLANE,&PM[3][0]);
|
|
|
|
|
//
|
|
|
|
|
// glEnable(GL_TEXTURE_GEN_S);
|
|
|
|
|
// glEnable(GL_TEXTURE_GEN_T);
|
|
|
|
|
// glDisable(GL_TEXTURE_GEN_R);
|
|
|
|
|
// glEnable(GL_TEXTURE_GEN_Q);
|
|
|
|
|
//}
|
|
|
|
|
//
|
|
|
|
|
//// versione per le texture rettangolare NV_TEXTURE_RECTANGLE
|
|
|
|
|
//// la differenza da glTexGen e' che il mapping e' in [0..sx]X[0..sy]
|
|
|
|
|
//void glTexGen_NV(int sx, // Texture Size
|
|
|
|
|
// int sy)
|
|
|
|
|
//{
|
|
|
|
|
// // prendi la rototraslazione che
|
|
|
|
|
// // trasforma la coordinata nel
|
|
|
|
|
// // sistema di coordinate della camera
|
|
|
|
|
// Matrix44d M;
|
|
|
|
|
// M[0][0] = x_axis[0];
|
|
|
|
|
// M[0][1] = x_axis[1];
|
|
|
|
|
// M[0][2] = x_axis[2];
|
|
|
|
|
// M[0][3] = -view_p* x_axis ;
|
|
|
|
|
//
|
|
|
|
|
// M[1][0] = y_axis[0];
|
|
|
|
|
// M[1][1] = y_axis[1];
|
|
|
|
|
// M[1][2] = y_axis[2];
|
|
|
|
|
// M[1][3] = -view_p* y_axis;
|
|
|
|
|
//
|
|
|
|
|
// M[2][0] = z_axis[0];
|
|
|
|
|
// M[2][1] = z_axis[1];
|
|
|
|
|
// M[2][2] = z_axis[2];
|
|
|
|
|
// M[2][3] = -view_p* z_axis;
|
|
|
|
|
//
|
|
|
|
|
// M[3][0] = 0.0;
|
|
|
|
|
// M[3][1] = 0.0;
|
|
|
|
|
// M[3][2] = 0.0;
|
|
|
|
|
// M[3][3] = 1.0;
|
|
|
|
|
//
|
|
|
|
|
// // prendi la matrice di proiezione
|
|
|
|
|
// Matrix44d P;
|
|
|
|
|
// P.Zero();
|
|
|
|
|
//
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// if(!IsOrtho())// prospettica
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// {
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//
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// P[0][0] = sx/(s[0]*viewport[0]);
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// P[0][2] = sx*(1/f)*( 0.5);
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//
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// P[1][1] = sy/(s[1]* viewport[1] );
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// P[1][2] = sy*(1/f)*( 0.5);
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//
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// P[2][2] = 1;
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// P[3][2] = 1/f;
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// }
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// else // ortogonale
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// {
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// P[0][0] = sx/(s[0]*viewport[0]*viewportM);
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// P[0][3] = sx* 0.5 ; // l'effetto e' una traslazione di +1/2
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//
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// P[1][1] = sy/(s[1]* viewport[1]*viewportM);
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// P[1][3] = sy* 0.5 ; // l'effetto e' una traslazione di +1/2
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//
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// P[2][2] = 1;
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// P[3][3] = 1;
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// }
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// // componi
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// Matrix44d PM = P*M;
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//
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// glTexGend(GL_S, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
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// glTexGend(GL_T, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
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// glTexGend(GL_Q, GL_TEXTURE_GEN_MODE, GL_OBJECT_LINEAR);
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//
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// glTexGendv(GL_S,GL_OBJECT_PLANE,&PM[0][0]);
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// glTexGendv(GL_T,GL_OBJECT_PLANE,&PM[1][0]);
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// glTexGendv(GL_Q,GL_OBJECT_PLANE,&PM[3][0]);
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//
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// glEnable(GL_TEXTURE_GEN_S);
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// glEnable(GL_TEXTURE_GEN_T);
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// glDisable(GL_TEXTURE_GEN_R);
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// glEnable(GL_TEXTURE_GEN_Q);
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//// glDisable(GL_TEXTURE_GEN_Q);
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//
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//}
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//#endif // __GL_H__
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//
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//};
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//} // End namespace vcg
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