/*========================================================================= Program: gdcm Module: $RCSfile: exCurveData.cxx,v $ Language: C++ Date: $Date: 2008/03/10 14:30:08 $ Version: $Revision: 1.9 $ Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de l'Image). All rights reserved. See Doc/License.txt or http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details. This software is distributed WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the above copyright notices for more information. =========================================================================*/ #include "gdcmFile.h" #include "gdcmFileHelper.h" #include "gdcmCommon.h" #include "gdcmDebug.h" #include "gdcmDocEntry.h" #include "gdcmDataEntry.h" static const char* TypeOfDataArrays[13][2] = { { "TAC" , "time activity curve" }, { "PROF" , "image profile" }, { "HIST" , "histogram" }, { "ROI" , "polygraphic region of interest" }, { "TABL" , "table of values" }, { "FILT" , "filter kernel" }, { "POLY" , "poly line" }, { "ECG" , "ecg data" }, { "PRESSURE" , "pressure data" }, { "FLOW" , "flow data" }, { "PHYSIO" , "physio data" }, { "RESP" , "Respiration trace" }, { NULL, NULL } }; // Part 3, C.10.2.1.1 Type of data // Convert from acronym to full description const char *ConvertTypeOfData(std::string const &type) { const char **p = *TypeOfDataArrays; while(*p != NULL) { if( strncmp(p[0], type.c_str(), strlen(p[0])) == 0 ) // std::string== operator { // ok we found it: return p[1]; } p+=2; } return NULL; } // Helper function template inline size_t PrintCurveData(DataValueRepresentation* data, unsigned short numPts) { for(unsigned int i=0; i 1 ) fileName = argv[1]; else fileName = "GE_DLX-8-MONO2-Multiframe.dcm"; std::cout << fileName << std::endl; // ============================================================ // Read the input image. // ============================================================ f = GDCM_NAME_SPACE::File::New( ); f->SetLoadMode(GDCM_NAME_SPACE::LD_NOSEQ | GDCM_NAME_SPACE::LD_NOSHADOW); f->SetFileName( fileName ); f->SetMaxSizeLoadEntry(0xffff); bool res = f->Load(); if( GDCM_NAME_SPACE::Debug::GetDebugFlag() ) { std::cout << "---------------------------------------------" << std::endl; f->Print(); std::cout << "---------------------------------------------" << std::endl; } if (!res) { std::cout << "Sorry, " << fileName <<" not a gdcm-readable " << "DICOM / ACR File" <Delete(); return 1; } std::cout << " ... is readable " << std::endl; // ============================================================ // Check whether image contains Overlays ACR-NEMA style. // ============================================================ const uint16_t curvedatagroup = 0x5000; //* B 5004|3000 [OW] [Curve Data] [GDCM_NAME_SPACE::Binary data loaded;length = 1938] std::string curve_data_str = f->GetEntryString(curvedatagroup, 0x3000); if (curve_data_str == GDCM_NAME_SPACE::GDCM_UNFOUND) { std::cout << " Image doesn't contain any Curve Data" << std::endl; f->Delete(); return 1; } std::cout << " File is read! " << std::endl; // ============================================================ // Load the Curve Data in memory. // ============================================================ std::istringstream convert; //* V 5004|0005 [US] [Curve Dimensions] [1] x(1) std::string curve_dim_str = f->GetEntryString(curvedatagroup,0x0005); unsigned short curve_dim; convert.str(curve_dim_str); convert >> curve_dim; std::cout << "Curve Dimensions: " << curve_dim << std::endl; //* V 5004|0010 [US] [Number of Points] [969] x(3c9) std::string num_points_str = f->GetEntryString(curvedatagroup,0x0010); unsigned short num_points; convert.clear(); //important convert.str(num_points_str); convert >> num_points; std::cout << "Number of Points: " << num_points << std::endl; //* V 5004|0020 [CS] [Type of Data] [PHYSIO] std::string data_type = f->GetEntryString(curvedatagroup,0x0020); std::cout << "Type of Data: " << data_type << std::endl; const char *datatype = ConvertTypeOfData(data_type); std::cout << " this is thus a : " << (datatype ? datatype : "") << std::endl; //* V 5004|0022 [LO] [Curve Description] [] std::string curve_desc = f->GetEntryString(curvedatagroup,0x0022); std::cout << "Curve Description: " << curve_desc << std::endl; //* V 5004|0103 [US] [Data Value Representation] [0] x(0) std::string data_rep_str = f->GetEntryString(curvedatagroup,0x0103); unsigned short data_rep; convert.clear(); //important convert.str(data_rep_str); convert >> data_rep; GDCM_NAME_SPACE::DocEntry *pCurveDataDoc = f->GetDocEntry(curvedatagroup, 0x3000); GDCM_NAME_SPACE::DataEntry *pCurveData = dynamic_cast(pCurveDataDoc); uint8_t *curve_data = pCurveData->GetBinArea(); // From Part3, C.10.2.1.2 Data value representation (p668) size_t sz; int sizeofdatarep = 0; switch( data_rep) { case 0: sz = PrintCurveData((DataRepToType<0>::Type*)(curve_data), num_points); sizeofdatarep = sizeof( DataRepToType<0>::Type ); break; case 1: sz = PrintCurveData((DataRepToType<1>::Type*)(curve_data), num_points); sizeofdatarep = sizeof( DataRepToType<1>::Type ); break; case 2: sz = PrintCurveData((DataRepToType<2>::Type*)(curve_data), num_points); sizeofdatarep = sizeof( DataRepToType<2>::Type ); break; case 3: sz = PrintCurveData((DataRepToType<3>::Type*)(curve_data), num_points); sizeofdatarep = sizeof( DataRepToType<3>::Type ); break; case 4: sz = PrintCurveData((DataRepToType<4>::Type*)(curve_data), num_points); sizeofdatarep = sizeof( DataRepToType<4>::Type ); break; default: std::cerr << "Error don't know the type: " << data_rep_str << std::endl; f->Delete(); return 1; } // Just to make sure that values read are consistant and we won't read out of bound data: //assert( sz*num_points*sizeofdatarep == pCurveData->GetLength()); // Write out the data as a file: //std::ofstream o("/tmp/curve_data.raw"); //o.write((char*)curve_data, num_points*sz); //o.close(); f->Delete(); return 0; }