opencv/modules/viz/include/opencv2/viz.hpp
2013-12-07 18:50:46 +04:00

98 lines
4.2 KiB
C++

/*M///////////////////////////////////////////////////////////////////////////////////////
//
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// License Agreement
// For Open Source Computer Vision Library
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// Copyright (C) 2013, OpenCV Foundation, all rights reserved.
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// OpenCV Viz module is complete rewrite of
// PCL visualization module (www.pointclouds.org)
//
//M*/
#ifndef __OPENCV_VIZ_HPP__
#define __OPENCV_VIZ_HPP__
#include <opencv2/viz/types.hpp>
#include <opencv2/viz/widgets.hpp>
#include <opencv2/viz/viz3d.hpp>
namespace cv
{
namespace viz
{
//! takes coordiante frame data and builds transfrom to global coordinate frame
CV_EXPORTS Affine3f makeTransformToGlobal(const Vec3f& axis_x, const Vec3f& axis_y, const Vec3f& axis_z, const Vec3f& origin = Vec3f::all(0));
//! constructs camera pose from position, focal_point and up_vector (see gluLookAt() for more infromation)
CV_EXPORTS Affine3f makeCameraPose(const Vec3f& position, const Vec3f& focal_point, const Vec3f& y_dir);
//! retrieves a window by its name. If no window with such name, then it creates new.
CV_EXPORTS Viz3d get(const String &window_name);
//! Unregisters all Viz windows from internal database. After it 'get()' will create new windows instead getting existing from the database.
CV_EXPORTS void unregisterAllWindows();
//! checks float value for Nan
inline bool isNan(float x)
{
unsigned int *u = reinterpret_cast<unsigned int *>(&x);
return ((u[0] & 0x7f800000) == 0x7f800000) && (u[0] & 0x007fffff);
}
//! checks double value for Nan
inline bool isNan(double x)
{
unsigned int *u = reinterpret_cast<unsigned int *>(&x);
return (u[1] & 0x7ff00000) == 0x7ff00000 && (u[0] != 0 || (u[1] & 0x000fffff) != 0);
}
//! checks vectors for Nans
template<typename _Tp, int cn> inline bool isNan(const Vec<_Tp, cn>& v)
{ return isNan(v.val[0]) || isNan(v.val[1]) || isNan(v.val[2]); }
//! checks point for Nans
template<typename _Tp> inline bool isNan(const Point3_<_Tp>& p)
{ return isNan(p.x) || isNan(p.y) || isNan(p.z); }
} /* namespace viz */
} /* namespace cv */
#endif /* __OPENCV_VIZ_HPP__ */