1 #include <creaImageIOVtkImageReader.h>
2 #include <vtkImageReader2.h>
3 #include <creaImageIOSystem.h>
4 #include "boost/filesystem/path.hpp"
7 //=====================================================================
8 VtkImageReader::VtkImageReader(vtkImageReader2* r,
9 const std::string& name,
10 const std::string& extensions)
11 : mReader(r), mExtensions(extensions)
15 const char *test =mReader->GetDescriptiveName();
18 SetName ( "toto");// mReader->GetDescriptiveName());
26 GimmickDebugMessage(5,"Constructing vtkImageReader : "<<GetName()
30 //=====================================================================
32 //=====================================================================
33 VtkImageReader::~VtkImageReader()
38 //=====================================================================
40 //=====================================================================
41 bool VtkImageReader::CanRead(const std::string& filename)
44 return (mReader->CanReadFile(filename.c_str())!=0);
47 return (mReader->CanReadFile(filename.c_str())!=0);
54 //=====================================================================
56 //=====================================================================
57 vtkImageData* VtkImageReader::ReadImage(const std::string& filename)
62 mReader->SetFileName(filename.c_str());
64 im = vtkImageData::New();
65 im->ShallowCopy(mReader->GetOutput());
69 if (im!=0) im->Delete();
74 //=====================================================================
76 //=====================================================================
77 void SplitExtensionsString ( const std::string& str,
78 const std::string& delimiters,
79 std::vector<std::string>& tokens)
81 // Skip delimiters at beginning.
82 std::string::size_type lastPos = str.find_first_not_of(delimiters, 0);
83 // Find first delimiter.
84 std::string::size_type pos = str.find_first_of(delimiters, lastPos);
86 while (std::string::npos != pos || std::string::npos != lastPos)
88 // Found a token, add it to the vector.
89 // SPECIFIC : REMOVE INITIAL DOT (lastPos + 1)
90 tokens.push_back(str.substr(lastPos+1, pos - lastPos));
91 // Skip delimiters. Note the "not_of"
92 lastPos = str.find_first_not_of(delimiters, pos);
93 // Find next delimiter
94 pos = str.find_first_of(delimiters, lastPos);
98 //=====================================================================
100 //=====================================================================
101 void VtkImageReader::PushBackExtensions(std::vector<std::string>& v)
103 std::string ext = mExtensions;
104 if (ext.size()==0) ext = mReader->GetFileExtensions ();
106 SplitExtensionsString(ext," ",v);
108 //=====================================================================
112 //=====================================================================
113 void VtkImageReader::ReadAttributes(const std::string& filename,
114 std::map<std::string,std::string>& attr)
116 GimmickMessage(2,"Reading attributes from '"<<filename<<std::endl);
117 // Get image dimensions
118 // How to get the image info without loading it in vtk ?
119 mReader->SetFileName(filename.c_str());
120 mReader->Update(); //OpenFile();
122 mReader->GetDataExtent(ext);
125 sprintf(cols,"%i",ext[1]-ext[0]);
128 sprintf(rows,"%i",ext[3]-ext[2]);
131 sprintf(planes,"%i",ext[5]-ext[4]);
133 std::map<std::string,std::string>::iterator i;
134 if ( (i = attr.find("FullFileName")) != attr.end())
136 i->second = filename;
138 if ( (i = attr.find("D0004_1500")) != attr.end())
140 boost::filesystem::path full_path(filename);
141 std::string f = full_path.leaf();
144 if ( (i = attr.find("D0028_0010")) != attr.end())
148 if ( (i = attr.find("D0028_0011")) != attr.end())
153 if ( (i = attr.find("D0028_0012")) != attr.end())
157 if ( (i = attr.find("FullFileDirectory")) != attr.end())
159 std::string::size_type last_pos = filename.find_last_of("//");
160 i->second = filename.substr(0, last_pos);
163 GimmickMessage(2,"Attributes map:"<<std::endl<<attr<<std::endl);
165 //=====================================================================
167 } // namespace creaImageIO