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 //------------------------------------------------------------------
73 //------------------------------------------------------------------
74 // Return filename splitting in 1 or 2 parts : directory name (if exists) & filename
75 std::vector<std::string> clitk::SplitFilename(const std::string& filename)
77 std::vector<std::string> dirname;
78 std::size_t found = filename.find_last_of("/\\");
79 dirname.push_back(filename.substr(0,found));
80 dirname.push_back(filename.substr(found+1,found));
83 //------------------------------------------------------------------
86 //------------------------------------------------------------------
87 // Display progression
88 void clitk::VerboseInProgress(const int nb, const int current, const int percentage)
90 static int previous = -1;
91 const int rounded = (100*current)/nb;
92 if (previous==rounded) return;
95 std::ostringstream oss;
96 oss << std::setw(4) << rounded << '%';
98 std::cout << oss.str() << std::flush;
99 for (unsigned int i=0; i<oss.str().length(); ++i)
100 std::cout << "\b" << std::flush;
102 //------------------------------------------------------------------
104 //------------------------------------------------------------------
105 // Display progression
106 void clitk::VerboseInProgressInPercentage(const int nb, const int current, const int percentage)
108 VerboseInProgress(nb, current, percentage);
110 //------------------------------------------------------------------
112 //------------------------------------------------------------------
113 // Convert a pixel type to another (downcast)
115 float clitk::PixelTypeDownCast(const double & x)
119 //------------------------------------------------------------------
121 //------------------------------------------------------------------
122 // Convert a pixel type without casting
124 double clitk::PixelTypeDownCast(const double & x)
128 //------------------------------------------------------------------
130 //------------------------------------------------------------------
131 double clitk::rad2deg(const double anglerad)
133 return (anglerad/M_PI*180.0);
135 //------------------------------------------------------------------
137 //------------------------------------------------------------------
138 double clitk::deg2rad(const double angledeg)
140 return (angledeg*(M_PI/180.0));
142 //------------------------------------------------------------------
144 //------------------------------------------------------------------
145 int clitk::GetTypeSizeFromString(const std::string & type)
147 #define RETURN_SIZEOF_PIXEL(TYPENAME, TYPE) \
148 if (type == #TYPENAME) return sizeof(TYPE);
149 RETURN_SIZEOF_PIXEL(char, char);
150 RETURN_SIZEOF_PIXEL(uchar, uchar);
151 RETURN_SIZEOF_PIXEL(unsigned char, uchar);
152 RETURN_SIZEOF_PIXEL(unsigned_char, uchar);
153 RETURN_SIZEOF_PIXEL(short, short);
154 RETURN_SIZEOF_PIXEL(ushort, ushort);
155 RETURN_SIZEOF_PIXEL(unsigned_short, ushort);
156 RETURN_SIZEOF_PIXEL(int, int);
157 RETURN_SIZEOF_PIXEL(uint, uint);
158 RETURN_SIZEOF_PIXEL(unsigned_int, uint);
159 RETURN_SIZEOF_PIXEL(float, float);
160 RETURN_SIZEOF_PIXEL(double, double);
163 //------------------------------------------------------------------
165 //------------------------------------------------------------------
167 bool clitk::IsSameType<signed char>(std::string t)
169 if ((t==GetTypeAsString<signed char>()) || (t == "schar")) return true;
174 bool clitk::IsSameType<char>(std::string t)
176 if ((t==GetTypeAsString<char>()) || (t == "char")) return true;
181 bool clitk::IsSameType<unsigned char>(std::string t)
183 if ((t==GetTypeAsString<unsigned char>()) || (t == "uchar")) return true;
188 bool clitk::IsSameType<unsigned short>(std::string t)
190 if ((t==GetTypeAsString<unsigned short>()) || (t == "ushort")) return true;
193 //------------------------------------------------------------------
195 //------------------------------------------------------------------
196 void clitk::FindAndReplace(std::string & line,
197 const std::string & tofind,
198 const std::string & replacement)
200 int pos = line.find(tofind);
201 while (pos!= (int)std::string::npos) {
202 line.replace(pos, tofind.size(), replacement);
203 pos = line.find(tofind, pos+tofind.size()+1);
206 //------------------------------------------------------------------
208 //------------------------------------------------------------------
209 void clitk::FindAndReplace(std::string & line,
210 const std::vector<std::string> & tofind,
211 const std::vector<std::string> & toreplace)
213 for(unsigned int i=0; i<tofind.size(); i++) {
214 FindAndReplace(line, tofind[i], toreplace[i]);
217 //------------------------------------------------------------------
219 //------------------------------------------------------------------
220 void clitk::FindAndReplace(std::ifstream & in,
221 const std::vector<std::string> & tofind,
222 const std::vector<std::string> & toreplace,
226 if (tofind.size() != toreplace.size()) {
227 std::cerr << "Error' tofind' is size=" << tofind.size() << std::endl;
228 std::cerr << "... while 'toreplace' is size=" << toreplace.size() << std::endl;
231 while (std::getline(in,line)) {
232 FindAndReplace(line, tofind, toreplace);
233 out << line << std::endl;
236 //------------------------------------------------------------------
238 //------------------------------------------------------------------
239 double clitk::ComputeEuclideanDistanceFromPointToPlane(const itk::ContinuousIndex<double, 3> point,
240 const itk::ContinuousIndex<double, 3> pointInPlane,
241 const itk::ContinuousIndex<double, 3> normalPlane)
243 // http://mathworld.wolfram.com/Plane.html
244 // http://mathworld.wolfram.com/Point-PlaneDistance.html
245 double a = normalPlane[0];
246 double b = normalPlane[1];
247 double c = normalPlane[2];
248 double x0 = pointInPlane[0];
249 double y0 = pointInPlane[1];
250 double z0 = pointInPlane[2];
255 double norm = sqrt(x0*x0 + y0*y0 + z0*z0);
257 double d = -a*x0 - b*y0 - c*z0;
259 double distance = (a*x + b*y + c*z + d) / norm;
263 //------------------------------------------------------------------
265 //--------------------------------------------------------------------
266 // Open a file for reading
267 void clitk::openFileForReading(std::ifstream & is, const std::string & filename)
269 is.open(filename.c_str(), std::ios::in | std::ios::binary);
271 clitkExceptionMacro("Could not open file for reading: "
272 << filename << ". Error is : <"
273 << strerror(errno) << ">");
276 //--------------------------------------------------------------------
278 //--------------------------------------------------------------------
279 // Open a file for writing
280 void clitk::openFileForWriting(std::ofstream & os, const std::string & filename)
282 os.open(filename.c_str(), std::ios::out);
284 clitkExceptionMacro("Could not open file for writing: "
285 << filename << ". Error is : <"
286 << strerror(errno) << ">");
289 //--------------------------------------------------------------------
291 //--------------------------------------------------------------------
292 double clitk::cotan(double i)
294 return(1.0 / tan(i));
296 double clitk::invcotan(double x)
298 // http://mathworld.wolfram.com/InverseCotangent.html
301 y = -0.5*M_PI-atan(x);
303 y = 0.5*M_PI-atan(x);
307 //--------------------------------------------------------------------
309 //--------------------------------------------------------------------
310 std::streambuf * clitk_stdcerr_backup;
311 void clitk::disableStdCerr()
313 clitk_stdcerr_backup = std::cerr.rdbuf();
314 std::stringstream oss;
315 std::cerr.rdbuf( oss.rdbuf() );
317 //--------------------------------------------------------------------
319 //--------------------------------------------------------------------
320 void clitk::enableStdCerr()
322 std::cerr.rdbuf(clitk_stdcerr_backup);
324 //--------------------------------------------------------------------
327 //--------------------------------------------------------------------
328 void clitk::readDoubleFromFile(const std::string & filename, std::vector<double> & list)
331 clitk::openFileForReading(is, filename);
334 clitk::skipComment(is);
337 if (is) list.push_back(d);
340 //--------------------------------------------------------------------
343 //--------------------------------------------------------------------
344 void clitk::PrintMemoryUsed()
346 #if defined(unix) || defined(__APPLE__)
348 getrusage(RUSAGE_SELF, &usage);
349 DD(usage.ru_maxrss); /* maximum resident set size */
350 // DD(usage.ru_ixrss); /* integral shared memory size */
351 // DD(usage.ru_idrss); /* integral unshared data size */
352 // DD(usage.ru_isrss); /* integral unshared stack size */
355 //--------------------------------------------------------------------
358 #endif /* end #define CLITKCOMMON_CXX */