Changeset 15:062f361aa520 in lemonmain for lemon/dim2.h
 Timestamp:
 01/03/08 01:08:23 (13 years ago)
 Branch:
 default
 Phase:
 public
 File:

 1 edited
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lemon/dim2.h
r8 r15 35 35 /// the rectangular bounding box of a set of 36 36 /// \ref lemon::dim2::Point "dim2::Point"'s. 37 ///38 ///\author Attila Bernath39 40 37 41 38 namespace lemon { … … 63 60 typedef T Value; 64 61 65 ///First co ordinate62 ///First coordinate 66 63 T x; 67 ///Second co ordinate64 ///Second coordinate 68 65 T y; 69 66 … … 76 73 ///The dimension of the vector. 77 74 78 ///Th is class give back always 2.79 /// 75 ///The dimension of the vector. 76 ///This function always returns 2. 80 77 int size() const { return 2; } 81 78 … … 139 136 } 140 137 141 ///Return the neg of the vectors138 ///Return the negative of the vector 142 139 Point<T> operator() const { 143 140 Point<T> b=*this; … … 176 173 }; 177 174 178 ///Return a nPoint179 180 ///Return a n Point175 ///Return a Point 176 177 ///Return a Point. 181 178 ///\relates Point 182 179 template <typename T> … … 187 184 ///Return a vector multiplied by a scalar 188 185 189 ///Return a vector multiplied by a scalar 186 ///Return a vector multiplied by a scalar. 190 187 ///\relates Point 191 188 template<typename T> Point<T> operator*(const T &u,const Point<T> &x) { … … 195 192 ///Read a plainvector from a stream 196 193 197 ///Read a plainvector from a stream 194 ///Read a plainvector from a stream. 198 195 ///\relates Point 199 196 /// … … 223 220 ///Write a plainvector to a stream 224 221 225 ///Write a plainvector to a stream 222 ///Write a plainvector to a stream. 226 223 ///\relates Point 227 224 /// … … 235 232 ///Rotate by 90 degrees 236 233 237 ///Returns itsparameter rotated by 90 degrees in positive direction.234 ///Returns the parameter rotated by 90 degrees in positive direction. 238 235 ///\relates Point 239 236 /// … … 246 243 ///Rotate by 180 degrees 247 244 248 ///Returns itsparameter rotated by 180 degrees.245 ///Returns the parameter rotated by 180 degrees. 249 246 ///\relates Point 250 247 /// … … 257 254 ///Rotate by 270 degrees 258 255 259 ///Returns itsparameter rotated by 90 degrees in negative direction.256 ///Returns the parameter rotated by 90 degrees in negative direction. 260 257 ///\relates Point 261 258 /// … … 272 269 /// A class to calculate or store the bounding box of plainvectors. 273 270 /// 274 ///\author Attila Bernath275 271 template<typename T> 276 272 class BoundingBox { … … 287 283 ///Construct an instance from two points 288 284 289 ///Construct an instance from two points 290 ///\warning The coordinates of the bottomleft corner must be no more 291 ///than those of the topright one 285 ///Construct an instance from two points. 286 ///\param a The bottom left corner. 287 ///\param b The top right corner. 288 ///\warning The coordinates of the bottom left corner must be no more 289 ///than those of the top right one. 292 290 BoundingBox(Point<T> a,Point<T> b) 293 291 { … … 299 297 ///Construct an instance from four numbers 300 298 301 ///Construct an instance from four numbers 302 ///\warning The coordinates of the bottomleft corner must be no more 303 ///than those of the topright one 299 ///Construct an instance from four numbers. 300 ///\param l The left side of the box. 301 ///\param b The bottom of the box. 302 ///\param r The right side of the box. 303 ///\param t The top of the box. 304 ///\warning The left side must be no more than the right side and 305 ///bottom must be no more than the top. 304 306 BoundingBox(T l,T b,T r,T t) 305 307 { … … 309 311 } 310 312 311 ///Were any points added? 313 ///Return \c true if the bounding box is empty. 314 315 ///Return \c true if the bounding box is empty (i.e. return \c false 316 ///if at least one point was added to the box or the coordinates of 317 ///the box were set). 318 ///The coordinates of an empty bounding box are not defined. 312 319 bool empty() const { 313 320 return _empty; … … 330 337 331 338 ///Set the bottom left corner. 332 ///It should only be eused for nonempty box.339 ///It should only be used for nonempty box. 333 340 void bottomLeft(Point<T> p) { 334 341 bottom_left = p; … … 346 353 347 354 ///Set the top right corner. 348 ///It should only be eused for nonempty box.355 ///It should only be used for nonempty box. 349 356 void topRight(Point<T> p) { 350 357 top_right = p; … … 362 369 363 370 ///Set the bottom right corner. 364 ///It should only be eused for nonempty box.371 ///It should only be used for nonempty box. 365 372 void bottomRight(Point<T> p) { 366 373 top_right.x = p.x; … … 379 386 380 387 ///Set the top left corner. 381 ///It should only be eused for nonempty box.388 ///It should only be used for nonempty box. 382 389 void topLeft(Point<T> p) { 383 390 top_right.y = p.y; … … 396 403 397 404 ///Set the bottom of the box. 398 ///It should only be eused for nonempty box.405 ///It should only be used for nonempty box. 399 406 void bottom(T t) { 400 407 bottom_left.y = t; … … 412 419 413 420 ///Set the top of the box. 414 ///It should only be eused for nonempty box.421 ///It should only be used for nonempty box. 415 422 void top(T t) { 416 423 top_right.y = t; … … 428 435 429 436 ///Set the left side of the box. 430 ///It should only be e used for nonempty box437 ///It should only be used for nonempty box. 431 438 void left(T t) { 432 439 bottom_left.x = t; … … 444 451 445 452 ///Set the right side of the box. 446 ///It should only be e used for nonempty box453 ///It should only be used for nonempty box. 447 454 void right(T t) { 448 455 top_right.x = t; … … 466 473 467 474 ///Checks whether a point is inside a bounding box 468 bool inside(const Point<T>& u) {475 bool inside(const Point<T>& u) const { 469 476 if (_empty) 470 477 return false; … … 476 483 477 484 ///Increments a bounding box with a point 485 486 ///Increments a bounding box with a point. 487 /// 478 488 BoundingBox& add(const Point<T>& u){ 479 489 if (_empty){ … … 490 500 } 491 501 492 ///Increments a bounding to contain another bounding box 502 ///Increments a bounding box to contain another bounding box 503 504 ///Increments a bounding box to contain another bounding box. 505 /// 493 506 BoundingBox& add(const BoundingBox &u){ 494 507 if ( !u.empty() ){ … … 500 513 501 514 ///Intersection of two bounding boxes 502 BoundingBox operator &(const BoundingBox& u){ 515 516 ///Intersection of two bounding boxes. 517 /// 518 BoundingBox operator&(const BoundingBox& u) const { 503 519 BoundingBox b; 504 b.bottom_left.x=std::max(this>bottom_left.x,u.bottom_left.x); 505 b.bottom_left.y=std::max(this>bottom_left.y,u.bottom_left.y); 506 b.top_right.x=std::min(this>top_right.x,u.top_right.x); 507 b.top_right.y=std::min(this>top_right.y,u.top_right.y); 508 b._empty = this>_empty  u._empty  509 b.bottom_left.x>top_right.x && b.bottom_left.y>top_right.y; 520 if (this>_empty  u._empty) { 521 b._empty = true; 522 } else { 523 b.bottom_left.x = std::max(this>bottom_left.x,u.bottom_left.x); 524 b.bottom_left.y = std::max(this>bottom_left.y,u.bottom_left.y); 525 b.top_right.x = std::min(this>top_right.x,u.top_right.x); 526 b.top_right.y = std::min(this>top_right.y,u.top_right.y); 527 b._empty = b.bottom_left.x > b.top_right.x  528 b.bottom_left.y > b.top_right.y; 529 } 510 530 return b; 511 531 } … … 514 534 515 535 516 ///Map of xcoordinates of a dim2::Point<>map517 518 ///\ingroup maps 519 ///Map of xcoordinates of a dim2::Point<>map536 ///Map of xcoordinates of a \ref Point "Point"map 537 538 ///\ingroup maps 539 ///Map of xcoordinates of a \ref Point "Point"map. 520 540 /// 521 541 template<class M> … … 571 591 ///Returns a \ref ConstXMap class 572 592 573 ///This function just returns a n\ref ConstXMap class.593 ///This function just returns a \ref ConstXMap class. 574 594 /// 575 595 ///\ingroup maps … … 581 601 } 582 602 583 ///Map of ycoordinates of a dim2::Point<>map603 ///Map of ycoordinates of a \ref Point "Point"map 584 604 585 605 ///\ingroup maps 586 ///Map of ycoordinates of a dim2::Point<>map606 ///Map of ycoordinates of a \ref Point "Point"map. 587 607 /// 588 608 template<class M> … … 600 620 }; 601 621 602 ///Returns a n\ref YMap class603 604 ///This function just returns a n\ref YMap class.622 ///Returns a \ref YMap class 623 624 ///This function just returns a \ref YMap class. 605 625 /// 606 626 ///\ingroup maps … … 638 658 ///Returns a \ref ConstYMap class 639 659 640 ///This function just returns a n\ref ConstYMap class.660 ///This function just returns a \ref ConstYMap class. 641 661 /// 642 662 ///\ingroup maps … … 650 670 651 671 ///\brief Map of the \ref Point::normSquare() "normSquare()" 652 ///of a n\ref Point "Point"map672 ///of a \ref Point "Point"map 653 673 /// 654 674 ///Map of the \ref Point::normSquare() "normSquare()" 655 ///of a n \ref Point "Point"map675 ///of a \ref Point "Point"map. 656 676 ///\ingroup maps 657 677 /// … … 671 691 ///Returns a \ref NormSquareMap class 672 692 673 ///This function just returns a n\ref NormSquareMap class.693 ///This function just returns a \ref NormSquareMap class. 674 694 /// 675 695 ///\ingroup maps
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