Field3D
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CubicGenericFieldInterp< Field_T > Class Template Reference

#include <DenseField.h>

Inheritance diagram for CubicGenericFieldInterp< Field_T >:
RefBase

Public Types

typedef CubicGenericFieldInterp class_type
 
typedef boost::intrusive_ptr
< CubicGenericFieldInterp > 		Ptr
 
typedef Field_T::value_type value_type
 
- Public Types inherited from RefBase
typedef boost::intrusive_ptr
< RefBase > 		Ptr
 

Public Member Functions

value_type sample (const Field_T &data, const V3d &vsP) const
 
- Public Member Functions inherited from RefBase
void ref () const
 Used by boost::intrusive_pointer. More...
 
size_t refcnt ()
 Used by boost::intrusive_pointer. More...
 
void unref () const
 Used by boost::intrusive_pointer. More...
 
 RefBase ()
 
 RefBase (const RefBase &)
 Copy constructor. More...
 
RefBase & operator= (const RefBase &)
 Assignment operator. More...
 
virtual ~RefBase ()
 Destructor. More...
 
virtual bool checkRTTI (const char *typenameStr)=0
 This function is only implemented by concrete classes and triggers the actual RTTI check through matchRTTI();. More...
 
bool matchRTTI (const char *typenameStr)
 Performs a check to see if the given typename string matches this class' This needs to be implemented in -all- subclasses, even abstract ones. More...
 

Static Public Member Functions

static const char * classType ()
 
static const char * staticClassName ()
 
- Static Public Member Functions inherited from RefBase
static const char * classType ()
 

Public Attributes

 DEFINE_FIELD_RTTI_CONCRETE_CLASS
 

Private Types

typedef RefBase base
 Convenience typedef for referring to base class. More...
 

Static Private Attributes

static TemplatedFieldType
< CubicGenericFieldInterp
< Field_T > > 		ms_classType
 

Detailed Description

template<class Field_T>
class CubicGenericFieldInterp< Field_T >

Definition at line 66 of file DenseField.h.

Member Typedef Documentation

template<class Field_T >
typedef Field_T::value_type CubicGenericFieldInterp< Field_T >::value_type

Definition at line 381 of file FieldInterp.h.

template<class Field_T >
typedef boost::intrusive_ptr<CubicGenericFieldInterp> CubicGenericFieldInterp< Field_T >::Ptr

Definition at line 382 of file FieldInterp.h.

template<class Field_T >
typedef CubicGenericFieldInterp CubicGenericFieldInterp< Field_T >::class_type

Definition at line 386 of file FieldInterp.h.

template<class Field_T >
typedef RefBase CubicGenericFieldInterp< Field_T >::base
private

Convenience typedef for referring to base class.

Definition at line 413 of file FieldInterp.h.

Member Function Documentation

template<class Field_T >
static const char* CubicGenericFieldInterp< Field_T >::staticClassName ( )
inlinestatic

Definition at line 389 of file FieldInterp.h.

390  {
391  return "CubicGenericFieldInterp";
392  }
template<class Field_T >
static const char* CubicGenericFieldInterp< Field_T >::classType ( )
inlinestatic

Definition at line 394 of file FieldInterp.h.

References CubicGenericFieldInterp< Field_T >::ms_classType, and TemplatedFieldType< Field_T >::name().

395  {
396  return ms_classType.name();
397  }
CubicGenericFieldInterp::ms_classType
static TemplatedFieldType< CubicGenericFieldInterp< Field_T > > ms_classType
Definition: FieldInterp.h:408
TemplatedFieldType::name
const char * name()
Definition: Traits.h:118
template<class Field_T >
Field_T::value_type CubicGenericFieldInterp< Field_T >::sample ( const Field_T &  data,
const V3d &  vsP 
) const

Definition at line 1083 of file FieldInterp.h.

References monotonicCubicInterpolant().

1085 {
1086  typedef typename Field_T::value_type Data_T;
1087 
1088  // Pixel centers are at .5 coordinates
1089  // NOTE: Don't use contToDisc for this, we're looking for sample
1090  // point locations, not coordinate shifts.
1091  V3d clampedVsP(std::max(0.5, vsP.x),
1092  std::max(0.5, vsP.y),
1093  std::max(0.5, vsP.z));
1094  FIELD3D_VEC3_T<double> p(clampedVsP - FIELD3D_VEC3_T<double>(0.5));
1095 
1096  const Box3i &dataWindow = data.dataWindow();
1097 
1098  // Lower left corner
1099  V3i c(static_cast<int>(floor(p.x)),
1100  static_cast<int>(floor(p.y)),
1101  static_cast<int>(floor(p.z)));
1102 
1103  // Fractions
1104  FIELD3D_VEC3_T<double> t(p - static_cast<FIELD3D_VEC3_T<double> >(c));
1105 
1106  // Clamp the coordinates
1107  int im, jm, km;
1108  im = std::max(dataWindow.min.x, std::min(c.x, dataWindow.max.x));
1109  jm = std::max(dataWindow.min.y, std::min(c.y, dataWindow.max.y));
1110  km = std::max(dataWindow.min.z, std::min(c.z, dataWindow.max.z));
1111  int im_1, jm_1, km_1;
1112  im_1 = std::max(dataWindow.min.x, std::min(im - 1, dataWindow.max.x));
1113  jm_1 = std::max(dataWindow.min.y, std::min(jm - 1, dataWindow.max.y));
1114  km_1 = std::max(dataWindow.min.z, std::min(km - 1, dataWindow.max.z));
1115  int im1, jm1, km1;
1116  im1 = std::max(dataWindow.min.x, std::min(im + 1, dataWindow.max.x));
1117  jm1 = std::max(dataWindow.min.y, std::min(jm + 1, dataWindow.max.y));
1118  km1 = std::max(dataWindow.min.z, std::min(km + 1, dataWindow.max.z));
1119  int im2, jm2, km2;
1120  im2 = std::max(dataWindow.min.x, std::min(im + 2, dataWindow.max.x));
1121  jm2 = std::max(dataWindow.min.y, std::min(jm + 2, dataWindow.max.y));
1122  km2 = std::max(dataWindow.min.z, std::min(km + 2, dataWindow.max.z));
1123 
1124  Data_T z11 = monotonicCubicInterpolant(data.fastValue(im_1, jm_1, km_1),
1125  data.fastValue(im_1, jm_1, km),
1126  data.fastValue(im_1, jm_1, km1),
1127  data.fastValue(im_1, jm_1, km2), t.z);
1128  Data_T z12 = monotonicCubicInterpolant(data.fastValue(im_1, jm, km_1),
1129  data.fastValue(im_1, jm, km),
1130  data.fastValue(im_1, jm, km1),
1131  data.fastValue(im_1, jm, km2), t.z);
1132  Data_T z13 = monotonicCubicInterpolant(data.fastValue(im_1, jm1, km_1),
1133  data.fastValue(im_1, jm1, km),
1134  data.fastValue(im_1, jm1, km1),
1135  data.fastValue(im_1, jm1, km2), t.z);
1136  Data_T z14 = monotonicCubicInterpolant(data.fastValue(im_1, jm2, km_1),
1137  data.fastValue(im_1, jm2, km),
1138  data.fastValue(im_1, jm2, km1),
1139  data.fastValue(im_1, jm2, km2), t.z);
1140 
1141  Data_T z21 = monotonicCubicInterpolant(data.fastValue(im, jm_1, km_1),
1142  data.fastValue(im, jm_1, km),
1143  data.fastValue(im, jm_1, km1),
1144  data.fastValue(im, jm_1, km2), t.z);
1145  Data_T z22 = monotonicCubicInterpolant(data.fastValue(im, jm, km_1),
1146  data.fastValue(im, jm, km),
1147  data.fastValue(im, jm, km1),
1148  data.fastValue(im, jm, km2), t.z);
1149  Data_T z23 = monotonicCubicInterpolant(data.fastValue(im, jm1, km_1),
1150  data.fastValue(im, jm1, km),
1151  data.fastValue(im, jm1, km1),
1152  data.fastValue(im, jm1, km2), t.z);
1153  Data_T z24 = monotonicCubicInterpolant(data.fastValue(im, jm2, km_1),
1154  data.fastValue(im, jm2, km),
1155  data.fastValue(im, jm2, km1),
1156  data.fastValue(im, jm2, km2), t.z);
1157 
1158  Data_T z31 = monotonicCubicInterpolant(data.fastValue(im1, jm_1, km_1),
1159  data.fastValue(im1, jm_1, km),
1160  data.fastValue(im1, jm_1, km1),
1161  data.fastValue(im1, jm_1, km2), t.z);
1162  Data_T z32 = monotonicCubicInterpolant(data.fastValue(im1, jm, km_1),
1163  data.fastValue(im1, jm, km),
1164  data.fastValue(im1, jm, km1),
1165  data.fastValue(im1, jm, km2), t.z);
1166  Data_T z33 = monotonicCubicInterpolant(data.fastValue(im1, jm1, km_1),
1167  data.fastValue(im1, jm1, km),
1168  data.fastValue(im1, jm1, km1),
1169  data.fastValue(im1, jm1, km2), t.z);
1170  Data_T z34 = monotonicCubicInterpolant(data.fastValue(im1, jm2, km_1),
1171  data.fastValue(im1, jm2, km),
1172  data.fastValue(im1, jm2, km1),
1173  data.fastValue(im1, jm2, km2), t.z);
1174 
1175  Data_T z41 = monotonicCubicInterpolant(data.fastValue(im2, jm_1, km_1),
1176  data.fastValue(im2, jm_1, km),
1177  data.fastValue(im2, jm_1, km1),
1178  data.fastValue(im2, jm_1, km2), t.z);
1179  Data_T z42 = monotonicCubicInterpolant(data.fastValue(im2, jm, km_1),
1180  data.fastValue(im2, jm, km),
1181  data.fastValue(im2, jm, km1),
1182  data.fastValue(im2, jm, km2), t.z);
1183  Data_T z43 = monotonicCubicInterpolant(data.fastValue(im2, jm1, km_1),
1184  data.fastValue(im2, jm1, km),
1185  data.fastValue(im2, jm1, km1),
1186  data.fastValue(im2, jm1, km2), t.z);
1187  Data_T z44 = monotonicCubicInterpolant(data.fastValue(im2, jm2, km_1),
1188  data.fastValue(im2, jm2, km),
1189  data.fastValue(im2, jm2, km1),
1190  data.fastValue(im2, jm2, km2), t.z);
1191 
1192  Data_T y1 = monotonicCubicInterpolant(z11, z12, z13, z14, t.y);
1193  Data_T y2 = monotonicCubicInterpolant(z21, z22, z23, z24, t.y);
1194  Data_T y3 = monotonicCubicInterpolant(z31, z32, z33, z34, t.y);
1195  Data_T y4 = monotonicCubicInterpolant(z41, z42, z43, z44, t.y);
1196 
1197  Data_T z0 = monotonicCubicInterpolant(y1, y2, y3, y4, t.x);
1198 
1199  return z0;
1200 }
Box3i
Imath::Box3i Box3i
Definition: SpiMathLib.h:77
V3i
Imath::V3i V3i
Definition: SpiMathLib.h:71
V3d
Imath::V3d V3d
Definition: SpiMathLib.h:74
monotonicCubicInterpolant
Data_T monotonicCubicInterpolant(const Data_T &f1, const Data_T &f2, const Data_T &f3, const Data_T &f4, double t)
Monotonic cubic interpolation References: http://en.wikipedia.org/wiki/Monotone_cubic_interpolation h...

Member Data Documentation

template<class Field_T >
CubicGenericFieldInterp< Field_T >::DEFINE_FIELD_RTTI_CONCRETE_CLASS

Definition at line 387 of file FieldInterp.h.

template<class Field_T >
TemplatedFieldType<CubicGenericFieldInterp<Field_T> > CubicGenericFieldInterp< Field_T >::ms_classType
staticprivate

Definition at line 408 of file FieldInterp.h.

Referenced by CubicGenericFieldInterp< Field_T >::classType().

The documentation for this class was generated from the following files: