1 /*=========================================================================
2 Program: vv http://www.creatis.insa-lyon.fr/rio/vv
5 - University of LYON http://www.universite-lyon.fr/
6 - Léon Bérard cancer center http://www.centreleonberard.fr
7 - CREATIS CNRS laboratory http://www.creatis.insa-lyon.fr
9 This software is distributed WITHOUT ANY WARRANTY; without even
10 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
11 PURPOSE. See the copyright notices for more information.
13 It is distributed under dual licence
15 - BSD See included LICENSE.txt file
16 - CeCILL-B http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
17 ===========================================================================**/
19 #ifndef CLITKCOMMON_CXX
20 #define CLITKCOMMON_CXX
23 #include "clitkCommon.h"
31 //------------------------------------------------------------------
32 // skip line which begin with a sharp '#'
33 void clitk::skipComment(std::istream & is)
39 while (is && (c == '#')) {
40 is.getline (line, 1024);
44 if (!(is.fail()) && c != '\n')
47 //------------------------------------------------------------------
49 //------------------------------------------------------------------
50 // linear (rough) conversion from Hounsfield Unit to density
51 double clitk::HU2density(double HU)
53 return (HU+1000.0)/1000.0;
55 //------------------------------------------------------------------
57 //------------------------------------------------------------------
58 // Return filename extension
59 std::string clitk::GetExtension(const std::string& filename)
61 // This assumes that the final '.' in a file name is the delimiter
62 // for the file's extension type
63 const std::string::size_type it = filename.find_last_of( "." );
64 // This determines the file's type by creating a new string
65 // who's value is the extension of the input filename
66 // eg. "myimage.gif" has an extension of "gif"
67 std::string fileExt( filename, it+1, filename.length() );
70 //------------------------------------------------------------------
72 //------------------------------------------------------------------
73 // Display progression
74 void clitk::VerboseInProgress(const int nb, const int current, const int percentage)
76 static int previous = -1;
77 const int rounded = (100*current)/nb;
78 if (previous==rounded) return;
81 std::ostringstream oss;
82 oss << std::setw(4) << rounded << '%';
84 std::cout << oss.str() << std::flush;
85 for (unsigned int i=0; i<oss.str().length(); ++i)
86 std::cout << "\b" << std::flush;
88 //------------------------------------------------------------------
90 //------------------------------------------------------------------
91 // Display progression
92 void clitk::VerboseInProgressInPercentage(const int nb, const int current, const int percentage)
94 VerboseInProgress(nb, current, percentage);
96 //------------------------------------------------------------------
98 //------------------------------------------------------------------
99 // Convert a pixel type to another (downcast)
101 float clitk::PixelTypeDownCast(const double & x)
105 //------------------------------------------------------------------
107 //------------------------------------------------------------------
108 // Convert a pixel type without casting
110 double clitk::PixelTypeDownCast(const double & x)
114 //------------------------------------------------------------------
116 //------------------------------------------------------------------
117 double clitk::rad2deg(const double anglerad)
119 return (anglerad/M_PI*180.0);
121 //------------------------------------------------------------------
123 //------------------------------------------------------------------
124 double clitk::deg2rad(const double angledeg)
126 return (angledeg*(M_PI/180.0));
128 //------------------------------------------------------------------
130 //------------------------------------------------------------------
131 int clitk::GetTypeSizeFromString(const std::string & type)
133 #define RETURN_SIZEOF_PIXEL(TYPENAME, TYPE) \
134 if (type == #TYPENAME) return sizeof(TYPE);
135 RETURN_SIZEOF_PIXEL(char, char);
136 RETURN_SIZEOF_PIXEL(uchar, uchar);
137 RETURN_SIZEOF_PIXEL(unsigned char, uchar);
138 RETURN_SIZEOF_PIXEL(unsigned_char, uchar);
139 RETURN_SIZEOF_PIXEL(short, short);
140 RETURN_SIZEOF_PIXEL(ushort, ushort);
141 RETURN_SIZEOF_PIXEL(unsigned_short, ushort);
142 RETURN_SIZEOF_PIXEL(int, int);
143 RETURN_SIZEOF_PIXEL(uint, uint);
144 RETURN_SIZEOF_PIXEL(unsigned_int, uint);
145 RETURN_SIZEOF_PIXEL(float, float);
146 RETURN_SIZEOF_PIXEL(double, double);
149 //------------------------------------------------------------------
151 //------------------------------------------------------------------
153 bool clitk::IsSameType<signed char>(std::string t)
155 if ((t==GetTypeAsString<signed char>()) || (t == "schar")) return true;
160 bool clitk::IsSameType<char>(std::string t)
162 if ((t==GetTypeAsString<char>()) || (t == "char")) return true;
167 bool clitk::IsSameType<unsigned char>(std::string t)
169 if ((t==GetTypeAsString<unsigned char>()) || (t == "uchar")) return true;
174 bool clitk::IsSameType<unsigned short>(std::string t)
176 if ((t==GetTypeAsString<unsigned short>()) || (t == "ushort")) return true;
179 //------------------------------------------------------------------
181 //------------------------------------------------------------------
182 void clitk::FindAndReplace(std::string & line,
183 const std::string & tofind,
184 const std::string & replacement)
186 int pos = line.find(tofind);
187 while (pos!= (int)std::string::npos) {
188 line.replace(pos, tofind.size(), replacement);
189 pos = line.find(tofind, pos+tofind.size()+1);
192 //------------------------------------------------------------------
194 //------------------------------------------------------------------
195 void clitk::FindAndReplace(std::string & line,
196 const std::vector<std::string> & tofind,
197 const std::vector<std::string> & toreplace)
199 for(unsigned int i=0; i<tofind.size(); i++) {
200 FindAndReplace(line, tofind[i], toreplace[i]);
203 //------------------------------------------------------------------
205 //------------------------------------------------------------------
206 void clitk::FindAndReplace(std::ifstream & in,
207 const std::vector<std::string> & tofind,
208 const std::vector<std::string> & toreplace,
212 if (tofind.size() != toreplace.size()) {
213 std::cerr << "Error' tofind' is size=" << tofind.size() << std::endl;
214 std::cerr << "... while 'toreplace' is size=" << toreplace.size() << std::endl;
217 while (std::getline(in,line)) {
218 FindAndReplace(line, tofind, toreplace);
219 out << line << std::endl;
222 //------------------------------------------------------------------
224 //------------------------------------------------------------------
225 double clitk::ComputeEuclideanDistanceFromPointToPlane(const itk::ContinuousIndex<double, 3> point,
226 const itk::ContinuousIndex<double, 3> pointInPlane,
227 const itk::ContinuousIndex<double, 3> normalPlane)
229 // http://mathworld.wolfram.com/Plane.html
230 // http://mathworld.wolfram.com/Point-PlaneDistance.html
231 double a = normalPlane[0];
232 double b = normalPlane[1];
233 double c = normalPlane[2];
234 double x0 = pointInPlane[0];
235 double y0 = pointInPlane[1];
236 double z0 = pointInPlane[2];
241 double norm = sqrt(x0*x0 + y0*y0 + z0*z0);
243 double d = -a*x0 - b*y0 - c*z0;
245 double distance = (a*x + b*y + c*z + d) / norm;
249 //------------------------------------------------------------------
251 //--------------------------------------------------------------------
252 // Open a file for reading
253 void clitk::openFileForReading(std::ifstream & is, const std::string & filename)
255 is.open(filename.c_str(), std::ios::in | std::ios::binary);
257 clitkExceptionMacro("Could not open file for reading: "
258 << filename << ". Error is : <"
259 << strerror(errno) << ">");
262 //--------------------------------------------------------------------
264 //--------------------------------------------------------------------
265 // Open a file for writing
266 void clitk::openFileForWriting(std::ofstream & os, const std::string & filename)
268 os.open(filename.c_str(), std::ios::out);
270 clitkExceptionMacro("Could not open file for writing: "
271 << filename << ". Error is : <"
272 << strerror(errno) << ">");
275 //--------------------------------------------------------------------
277 //--------------------------------------------------------------------
278 double clitk::cotan(double i)
280 return(1.0 / tan(i));
282 double clitk::invcotan(double x)
284 // http://mathworld.wolfram.com/InverseCotangent.html
287 y = -0.5*M_PI-atan(x);
289 y = 0.5*M_PI-atan(x);
293 //--------------------------------------------------------------------
295 //--------------------------------------------------------------------
296 std::streambuf * clitk_stdcerr_backup;
297 void clitk::disableStdCerr()
299 clitk_stdcerr_backup = std::cerr.rdbuf();
300 std::stringstream oss;
301 std::cerr.rdbuf( oss.rdbuf() );
303 //--------------------------------------------------------------------
305 //--------------------------------------------------------------------
306 void clitk::enableStdCerr()
308 std::cerr.rdbuf(clitk_stdcerr_backup);
310 //--------------------------------------------------------------------
313 //--------------------------------------------------------------------
314 void clitk::readDoubleFromFile(const std::string & filename, std::vector<double> & list)
317 clitk::openFileForReading(is, filename);
320 clitk::skipComment(is);
323 if (is) list.push_back(d);
326 //--------------------------------------------------------------------
329 //--------------------------------------------------------------------
330 void clitk::PrintMemoryUsed()
332 #if defined(unix) || defined(__APPLE__)
334 getrusage(RUSAGE_SELF, &usage);
335 DD(usage.ru_maxrss); /* maximum resident set size */
336 // DD(usage.ru_ixrss); /* integral shared memory size */
337 // DD(usage.ru_idrss); /* integral unshared data size */
338 // DD(usage.ru_isrss); /* integral unshared stack size */
341 //--------------------------------------------------------------------
344 #endif /* end #define CLITKCOMMON_CXX */