DGtal 1.3.0
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Functions
exampleDSLSubsegment.cpp File Reference
#include <iostream>
#include "ConfigExamples.h"
#include "DGtal/helpers/StdDefs.h"
#include "DGtal/base/Common.h"
#include <map>
#include "DGtal/geometry/curves/DSLSubsegment.h"
#include "DGtal/kernel/CPointPredicate.h"
#include "DGtal/arithmetic/IntegerComputer.h"

Go to the source code of this file.

Functions

int main ()
 

Detailed Description

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program 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 General Public License for more details.

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

Author
Isabelle Sivignon (isabe.nosp@m.lle..nosp@m.sivig.nosp@m.non@.nosp@m.gipsa.nosp@m.-lab.nosp@m..gren.nosp@m.oble.nosp@m.-inp..nosp@m.fr ) gipsa-lab Grenoble Images Parole Signal Automatique (CNRS, UMR 5216), CNRS, France
Date
2013/07/10

An example file named exampleDSLSubsegment.

This file is part of the DGtal library.

Definition in file exampleDSLSubsegment.cpp.

Function Documentation

◆ main()

int main ( void  )

Definition at line 57 of file exampleDSLSubsegment.cpp.

58{
59 trace.beginBlock ( "Example exampleDSLSubsegment" );
60
61
62 typedef DGtal::int32_t Integer;
63 typedef long double Number;
64
65 // Define the DSLSubsegment: the first template parameter specifies
66 // the type of integer used for computations, the second one is the
67 // type of the input DSL characteristics (Integer in this case).
69
70 typedef DSLSubseg::Point Point;
71
72 // Define the two endpoints of the subsegment
73 Point A(1,5);
74 Point B(6,9);
75
76 // Compute the minimal characteristics of the subsegment [AB] of the
77 // 8-connected DSL of characteristics (2,3,15). The algorithm using
78 // the Farey fan is used in this case. If the string is set to
79 // "localCH", the algorithm using local convex hull is used: the
80 // result is the same but the computation time is a bit longer.
81 DSLSubseg D1(2,3,15,A,B,"farey");
82
83 // Display the result
84 std::cout << "a=" << D1.getA() << " b=" << D1.getB() << " mu=" << D1.getMu() << std::endl;
85
86 // Define a DSL subsegment with floating-point input
87 // characteristics.
88 typedef DGtal::DSLSubsegment<Integer,Number> DSLSubsegD;
89
90 // Same as before, except that the last parameter is the precision used for
91 // floating-point geometric predicates. The algorithm used is an
92 // adaptation of the Farey fan algorithm for floating-point input data.
93 DSLSubsegD D2(0.6666,5,A,B,0.00005);
94
95 // Display the result
96 std::cout << "a=" << D2.getA() << " b=" << D2.getB() << " mu=" << D2.getMu() << std::endl;
97
98
99
100 trace.endBlock();
101 return 0;
102}
Aim: Given a Digital Straight line and two endpoints A and B on this line, compute the minimal charac...
Definition: DSLSubsegment.h:76
void beginBlock(const std::string &keyword="")
double endBlock()
Trace trace
Definition: Common.h:154
boost::int32_t int32_t
signed 32-bit integer.
Definition: BasicTypes.h:72
MyPointD Point
Definition: testClone2.cpp:383

References DGtal::Trace::beginBlock(), DGtal::Trace::endBlock(), and DGtal::trace.