Geom Software - C++ Programming and Geometry Libraries
WOF Documentation pages v1.13
Point3.h
1 // Copyright (C) Geom Software e.U, Bernhard Kornberger, Graz/Austria
2 //
3 // This file is part of the WOF software. WOF is commercial software.
4 // Users holding a license may use this file in accordance with the
6 //
7 // This software is provided AS IS with NO WARRANTY OF ANY KIND,
8 // INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS
9 // FOR A PARTICULAR PURPOSE.
10 //
12 // not clear to you.
13 //
14 // Author: Bernhard Kornberger, bkorn (at) geom.at
15 // http://www.geom.at
16
17
18 #pragma once
19
20 #include <math.h>
21 #include "Vector3.h"
22 #include <sstream>
23 namespace GEOM_WOF {
24
25
26 class Triangle2; // FWD
27
30 class CLASS_DECLSPEC Point3
31 {
32 public:
33
38 Point3(const double x_,const double y_,const double z_):
39  coordX(x_),
40  coordY(y_),
41  coordZ(z_),
42  r(0),g(0),b(0),a(0),bHasColor(false)
43 {
44 }
45
51 Point3(const double x_,const double y_,const double z_,unsigned char r_,unsigned char g_,unsigned char b_,unsigned char a_):
52  coordX(x_),
53  coordY(y_),
54  coordZ(z_),
55  r(r_),
56  g(g_),
57  b(b_),
58  a(a_),
59  bHasColor(true)
60 {
61 }
62
63
68 Point3():coordX(0),coordY(0),coordZ(0),r(0),g(0),b(0),a(0),bHasColor(false)
69 {
70 }
71
72
77 Point3(const Point3& p_):
78  coordX(p_.x()),
79  coordY(p_.y()),
80  coordZ(p_.z()),
81  r(p_.r),g(p_.g),b(p_.b),a(p_.a),bHasColor(p_.bHasColor)
82 {
83 }
84
89 Point3 &operator=(const Point3& other)
90 {
91  coordX=other.x();
92  coordY=other.y();
93  coordZ=other.z();
94  r=other.r;
95  g=other.g;
96  b=other.b;
97  a=other.a;
98  bHasColor=other.bHasColor;
99  return *this;
100 }
101
105 {
106 }
107
112 void setColor(unsigned char r_,unsigned char g_,unsigned char b_,unsigned char a_)
113 {
114  r=r_;
115  g=g_;
116  b=b_;
117  a=a_;
118  bHasColor=true;
119 }
120
121
122
127 void getColor_255(unsigned char& r_,unsigned char& g_,unsigned char& b_,unsigned char& a_) const
128 {
129  r_=r;
130  g_=g;
131  b_=b;
132  a_=a;
133 }
134
135
140 void getColor_255(float& r_,float& g_,float& b_,float& a_) const
141 {
142  r_=static_cast<float>(r);
143  g_=static_cast<float>(g);
144  b_=static_cast<float>(b);
145  a_=static_cast<float>(a);
146 }
147
152 std::string getColorString()
153 {
154  float r,g,b,a;
155  getColor_1(r,g,b,a);
156  std::stringstream ss;
157  ss<<r<<" "<<g<<" "<<b<<" "<<a;
158  return ss.str();
159 }
160
165 void getColor_1(float& r_,float& g_,float& b_,float& a_) const
166 {
167  r_=r/255.0f;
168  g_=g/255.0f;
169  b_=b/255.0f;
170  a_=a/255.0f;
171 }
176 bool hasColor() const
177 {
178  return bHasColor;
179 }
180
185 double x() const
186 {
187  return coordX;
188 }
189
190
195 double y() const
196 {
197  return coordY;
198 }
199
200
205 double z() const
206 {
207  return coordZ;
208 }
209
210
218 void xyz(double& x_,double& y_,double& z_) const
219 {
220  x_=coordX;
221  y_=coordY;
222  z_=coordZ;
223 }
224
225
226
231 inline void addOwnCoords(double& x,double& y,double& z) const
232 {
233  x+=coordX;
234  y+=coordY;
235  z+=coordZ;
236 }
237
239 // Internal use: add the point's color to r_,g_,b_,a_
240 inline void addOwnColor(float& r_,float& g_,float& b_,float& a_) const
241 {
242  r_+=float(r);
243  g_+=float(g);
244  b_+=float(b);
245  a_+=float(a);
246 }
247
248
253 inline void copyColorFrom(const Point3& other)
254 {
255  r=other.r;
256  g=other.g;
257  b=other.b;
258  a=other.a;
259  bHasColor=other.bHasColor;
260 }
261
262
267 inline void copyColorFrom(const Point3& other0,const Point3& other1)
268 {
269  if(other0.hasColor() && other1.hasColor())
270  {
271  r=static_cast<unsigned char>(.5*(float(other0.r)+float(other1.r))+.5f);
272  g=static_cast<unsigned char>(.5*(float(other0.g)+float(other1.g))+.5f);
273  b=static_cast<unsigned char>(.5*(float(other0.b)+float(other1.b))+.5f);
274  a=static_cast<unsigned char>(.5*(float(other0.a+other1.a))+.5f);
275  bHasColor=true;
276  return;
277  }
278  if(other0.hasColor())
279  {
280  copyColorFrom(other0);
281  return;
282  }
283  if(other1.hasColor())
284  {
285  copyColorFrom(other0);
286  return;
287  }
288  bHasColor=false;
289 }
290
296 inline void addWeightedOwnCoords(double weight,double& x,double& y,double& z) const
297 {
298  x+=(weight*coordX);
299  y+=(weight*coordY);
300  z+=(weight*coordZ);
301 }
302
309  bool operator<(const Point3& p) const
310  {
311  if(coordX<p.coordX) return true;
312  if(coordX>p.coordX) return false;
313  if(coordY<p.coordY) return true;
314  if(coordY>p.coordY) return false;
315  return coordZ<p.coordZ;
316  }
317
325  bool operator>(const Point3& p) const
326  {
327  if(coordX>p.coordX) return true;
328  if(coordX<p.coordX) return false;
329  if(coordY>p.coordY) return true;
330  if(coordY<p.coordY) return false;
331  return coordY>p.coordY;
332  }
337  bool operator==(const Point3& p) const
338  {
339  if(coordX==p.coordX && coordY==p.coordY && coordZ==p.coordZ) return true;
340  return false;
341  }
346 bool operator!=(const Point3& p) const
347 {
348  return (coordX!=p.coordX || coordY!=p.coordY || coordZ!=p.coordZ);
349 }
350
351
358 void set(const double x_,const double y_,const double z_)
359 {
360  coordX=x_;
361  coordY=y_;
362  coordZ=z_;
363 }
364
371 void set(const Point3& pnt)
372 {
373  coordX=pnt.x();
374  coordY=pnt.y();
375  coordZ=pnt.z();
376 }
377
378
379
380
386 Vector3 operator-(const Point3& other) const
387 {
388  double xdiff(x()-other.x());
389  double ydiff(y()-other.y());
390  double zdiff(z()-other.z());
391  return Vector3(xdiff,ydiff,zdiff);
392 }
393
398 Point3 operator+(const Vector3& vec) const
399 {
400  return Point3(x()+vec.x(),y()+vec.y(),z()+vec.z());
401 }
402
403
408 Point3 operator-(const Vector3& vec) const
409 {
410  return Point3(x()-vec.x(),y()-vec.y(),z()-vec.z());
411 }
412
413
414 friend std::ostream &operator<<(std::ostream &stream, const Point3& pnt);
415 friend std::istream &operator>>(std::istream &stream, Point3& pnt);
416
417
418 protected:
419  double coordX;
420  double coordY;
421  double coordZ;
422  unsigned char r,g,b,a; // Color 0-255
423  bool bHasColor;
424 };
425
426
427
428
429
430
431
432
433 // Free functions
434 inline std::ostream &operator<<(std::ostream &stream, const Point3& pnt)
435 {
436  if(pnt.hasColor())
437  {
438  stream << "Point3 ("<<&pnt<<"): "<<pnt.x()<<", "<<pnt.y()<<", "<<pnt.z()<<", color("<<int(pnt.r)<<","<<int(pnt.g)<<","<<int(pnt.b)<<","<<int(pnt.a)<<")";
439  }
440  else
441  {
442  stream << "Point3 ("<<&pnt<<"): "<<pnt.x()<<", "<<pnt.y()<<", "<<pnt.z()<<", no color";
443  }
444  return stream;
445 }
446
447 inline std::istream &operator>>(std::istream &stream, Point3& pnt)
448 {
449  stream >> pnt.coordX >> pnt.coordY >> pnt.coordZ;
450  return stream;
451 }
452
453
456 inline double sqDistance(const Point3& p0,const Point3& p1)
457 {
458  double deltaX=p1.x()-p0.x();
459  double deltaY=p1.y()-p0.y();
460  double deltaZ=p1.z()-p0.z();
461  return (deltaX*deltaX+deltaY*deltaY+deltaZ*deltaZ);
462 }
463
466 inline double sqDistance(const Point3* p0,const Point3* p1)
467 {
468  double deltaX=p1->x()-p0->x();
469  double deltaY=p1->y()-p0->y();
470  double deltaZ=p1->z()-p0->z();
471  return (deltaX*deltaX+deltaY*deltaY+deltaZ*deltaZ);
472 }
473
474
477 inline double distance(const Point3& p0,const Point3& p1)
478 {
479  double deltaX=p1.x()-p0.x();
480  double deltaY=p1.y()-p0.y();
481  double deltaZ=p1.z()-p0.z();
482  return sqrt(deltaX*deltaX+deltaY*deltaY+deltaZ*deltaZ);
483 }
484
485
488 inline
489 Point3 center(const Point3& p0,const Point3& p1)
490 {
491  Point3 center((p0.x()+p1.x())/2.0,(p0.y()+p1.y())/2.0,(p0.z()+p1.z())/2.0);
492  return center;
493 }
494
495
496 } // (namespace)
3D Point
Definition: Point3.h:31
bool operator<(const Point3 &p) const
Less than operator.
Definition: Point3.h:309
void copyColorFrom(const Point3 &other)
Copy the color from another point.
Definition: Point3.h:253
double x() const
Get the x-coordinate.
Definition: Point3.h:185
Point3 & operator=(const Point3 &other)
operator=
Definition: Point3.h:89
Point3 operator-(const Vector3 &vec) const
operator-
Definition: Point3.h:408
double y() const
Get the y-coordinate.
Definition: Point3.h:195
Point3()
Default constructor.
Definition: Point3.h:68
Vector3 operator-(const Point3 &other) const
operator-
Definition: Point3.h:386
void set(const double x_, const double y_, const double z_)
Set the coordiantes.
Definition: Point3.h:358
bool operator!=(const Point3 &p) const
Inequality operator.
Definition: Point3.h:346
Point3 operator+(const Vector3 &vec) const
operator+
Definition: Point3.h:398
void addOwnCoords(double &x, double &y, double &z) const
Add the point's coordinates to x,y,z.
Definition: Point3.h:231
~Point3()
Destructor.
Definition: Point3.h:104
Point3(const double x_, const double y_, const double z_, unsigned char r_, unsigned char g_, unsigned char b_, unsigned char a_)
Constructor with color.
Definition: Point3.h:51
void xyz(double &x_, double &y_, double &z_) const
Get the x-, y- and z-coordinate.
Definition: Point3.h:218
void set(const Point3 &pnt)
Set the coordiantes.
Definition: Point3.h:371
void getColor_255(unsigned char &r_, unsigned char &g_, unsigned char &b_, unsigned char &a_) const
Get color (unsigned char, range=0, ..., 255)
Definition: Point3.h:127
bool hasColor() const
Has color.
Definition: Point3.h:176
bool operator>(const Point3 &p) const
Greater than operator.
Definition: Point3.h:325
bool operator==(const Point3 &p) const
Equality operator.
Definition: Point3.h:337
void copyColorFrom(const Point3 &other0, const Point3 &other1)
Copy the average color from two points.
Definition: Point3.h:267
double z() const
Get the z-coordinate.
Definition: Point3.h:205
void addWeightedOwnCoords(double weight, double &x, double &y, double &z) const
Add the point's weighted coordinates to x,y,z.
Definition: Point3.h:296
void getColor_1(float &r_, float &g_, float &b_, float &a_) const
Get color (float, range=0.0, ..., 1.0)
Definition: Point3.h:165
void getColor_255(float &r_, float &g_, float &b_, float &a_) const
Get color (float, range=0, ..., 255)
Definition: Point3.h:140
Point3(const Point3 &p_)
Copy constructor.
Definition: Point3.h:77
Point3(const double x_, const double y_, const double z_)
Constructor without color.
Definition: Point3.h:38
std::string getColorString()
Get color string (string, range=0.0, ..., 1.0)
Definition: Point3.h:152
void setColor(unsigned char r_, unsigned char g_, unsigned char b_, unsigned char a_)
Set color.
Definition: Point3.h:112
3D Vector
Definition: Vector3.h:27
double z() const
Get the z-value.
Definition: Vector3.h:88
double x() const
Get the x-value.
Definition: Vector3.h:69
double y() const
Get the y-value.
Definition: Vector3.h:78
Definition: Point3.h:23
double sqDistance(const Point3 &p0, const Point3 &p1)
Get the squared distance between two points.
Definition: Point3.h:456
Point3 center(const Point3 &p0, const Point3 &p1)
Midpoint of p0 and p1.
Definition: Point3.h:489
double distance(const Point3 &p0, const Point3 &p1)
Get the squared distance between two points.
Definition: Point3.h:477