hugin_math.h File Reference

misc math function & classes used by other parts of the program More...

#include <hugin_shared.h>
#include <cmath>
#include <math.h>
#include <iostream>
#include <vigra/diff2d.hxx>

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Classes
struct	hugin_utils::TDiff2D< T >

Namespaces
	hugin_utils
	namespace for various utils

Macros
#define	M_PI   3.14159265358979323846
#define	PI   3.14159265358979323846
#define	DEG_TO_RAD(x)   ( (x) * 2.0 * PI / 360.0 )
#define	RAD_TO_DEG(x)   ( (x) * 360.0 / ( 2.0 * PI ) )

Typedefs
typedef TDiff2D< double >	hugin_utils::FDiff2D

Functions
double	hugin_utils::round (double x)
float	hugin_utils::roundf (float x)
int	hugin_utils::ceili (double x)
int	hugin_utils::floori (double x)
template<class T >
int	hugin_utils::roundi (T x)
template<class T >
T	hugin_utils::simpleClipPoint (const T &point, const T &min, const T &max)
	clip a point to fit int [min, max] does not do a mathematical clipping, just sets p.x and p.y to the borders if they are outside. More...
template<class T >
T	hugin_utils::sqr (T t)
template<class T >
double	hugin_utils::norm (T t)
template<class InputIterator1 , class InputIterator2 >
double	hugin_utils::euclid_dist (InputIterator1 first1, InputIterator1 last1, InputIterator2 first2)
	calculate squared Euclidean distance between two vectors. More...
template<class InputIterator1 , class InputIterator2 , class T >
T	hugin_utils::sqr_dist (InputIterator1 first1, InputIterator1 last1, InputIterator2 first2, T res)
	calculate squared Euclidean distance between two vectors. More...
template<class POINT >
vigra::Rect2D	hugin_utils::calcCircleROIFromPoints (const POINT &p1, const POINT &p2)
	calculate the bounding box of a circle that goes through both points. More...
int	hugin_utils::gcd (int a, int b)
	function to calculate greated common divisor using Euclidean algorithm both arguments should be >=0 More...
template<class T >
std::ostream &	operator<< (std::ostream &o, const hugin_utils::TDiff2D< T > &d)
hugin_utils::FDiff2D	operator/ (const hugin_utils::FDiff2D &lhs, double val)
vigra::Diff2D	operator* (const vigra::Diff2D &d, double scale)
vigra::Rect2D	operator* (const vigra::Rect2D &r, double scale)
	uses floor for left and top and ceil for right and bottom -> extend image when rounding.. More...

Detailed Description

misc math function & classes used by other parts of the program

This is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU General Public License along with this software. If not, see http://www.gnu.org/licenses/.

Author

Pablo d'Angelo pablo.nosp@m..dan.nosp@m.gelo@.nosp@m.web..nosp@m.de

$Id$

This is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU General Public License along with this software. If not, see http://www.gnu.org/licenses/.

Definition in file hugin_math.h.

Macro Definition Documentation

#define DEG_TO_RAD

(

x

)

( (x) * 2.0 * PI / 360.0 )

Definition at line 44 of file hugin_math.h.

Referenced by HuginLines::_getFilteredLines(), HuginBase::StraightenPanorama::calcStraighteningRotation(), HuginLines::FilterLines(), GetImageRotatedTo(), DragTool::getTranslationShift(), HuginBase::Nona::SpaceTransform::Init(), HuginBase::Nona::SpaceTransform::InitInv(), PanosphereOverviewToolHelper::MouseMoved(), PlaneOverviewToolHelper::MouseMoved(), PlaneOverviewCameraTool::MouseMoveEvent(), PreviewPanel::mousePressLMBEvent(), PreviewPanel::mousePressRMBEvent(), DragTool::ParamStore::Move(), PointFineTuneProjectionAware(), GLPanosphereOverviewRenderer::Resize(), HuginBase::RotatePanorama::rotatePano(), HuginBase::RotatePanorama::RotatePanorama(), and DragTool::SetRotationMatrix().

#define M_PI   3.14159265358979323846

Definition at line 37 of file hugin_math.h.

#define PI   3.14159265358979323846

Definition at line 41 of file hugin_math.h.

#define RAD_TO_DEG

(

x

)

( (x) * 360.0 / ( 2.0 * PI ) )

Definition at line 45 of file hugin_math.h.

Referenced by GetImageRotatedTo(), PreviewPanel::mousePressLMBEvent(), PreviewPanel::mousePressRMBEvent(), DragTool::ParamStore::Move(), vigra_ext::PointFineTuneRotSearch(), and HuginBase::RotatePanorama::rotatePano().

Function Documentation

vigra::Diff2D operator* ( const vigra::Diff2D &  d, double  scale  )

inline

Definition at line 261 of file hugin_math.h.

vigra::Rect2D operator* ( const vigra::Rect2D &  r, double  scale  )

inline

uses floor for left and top and ceil for right and bottom -> extend image when rounding..

Definition at line 268 of file hugin_math.h.

hugin_utils::FDiff2D operator/ ( const hugin_utils::FDiff2D &  lhs, double  val  )

inline

Definition at line 255 of file hugin_math.h.

References hugin_utils::TDiff2D< T >::x, and hugin_utils::TDiff2D< T >::y.

template<class T >

std::ostream& operator<< ( std::ostream &  o, const hugin_utils::TDiff2D< T > &  d  )

inline

Definition at line 250 of file hugin_math.h.