gdcmPython/testSuite.py

   1 import unittest
   2 import os
   3
   4 # Where all the test images are
   5 TestFileDir =  os.path.join("..", "Data")
   6
   7 ### Defaulting the path to the dictionaries
   8 # WARNING: this needs to be done before importation of gdcm !
   9 # FIXME: this needs to be put in a wrapper of the swig generated
  10 #                       shadow classes (say Pygdcm.py?)
  11 try:
  12         os.environ["GDCM_DICT_PATH"]
  13 except KeyError:
  14         os.environ["GDCM_DICT_PATH"] = os.path.join("..", "Dicts/")
  15
  16 ### When not properly installed (like in a cvs hierachy) try
  17 #   to handle properly the import of gdcm
  18 try:
  19         import gdcm
  20 except ImportError:
  21         import sys, os
  22         PreInstallPath = os.path.join(os.getcwd(), "..")
  23         sys.path.append(PreInstallPath)
  24         try:
  25                 import gdcm
  26         except ImportError,e:
  27                 raise ImportError, "gdcm extension module not found"
  28                 sys.exit()
  29
  30 class gdcmTestCase(unittest.TestCase):
  31         # The files whose name starts with a modality (e.g. CR-MONO1-10-chest.dcm)
  32         # come from Sebastien Barre's Dicom2 highly recommendable site
  33         # http://www.barre.nom.fr/medical/samples/index.html
  34         BarreFiles = [
  35                 ####################################
  36                 # CR modality examples:
  37                 ####################################
  38                 ["CR-MONO1-10-chest.dcm",
  39                         [ ["Modality", "CR"],
  40                           #"Transfer Syntax UID" is absent.
  41                           ["Rows", "440"],
  42                           ["Columns", "440"],
  43                           ["Bits Stored", "10"],
  44                           ["Bits Allocated", "16"],
  45                           ["High Bit", "9"],
  46                           ["Pixel Representation", "0"],
  47                           ["Manufacturer", "FUJI PHOTO FILM CO. LTD."],
  48                           ["Manufacturer Model Name", "9000"],
  49                           ["7fe0|0010", "gdcm::NotLoaded. Address:776 Length:387200"] ] ],
  50                 ####################################
  51                 # CT modality examples:
  52                 ####################################
  53                 ["CT-MONO2-16-brain.dcm",
  54                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"],  # Explicit VR, LE
  55                           ["Modality", "CT"],
  56                           ["Rows", "512"],
  57                           ["Columns", "512"],
  58                           ["Bits Stored", "16"],
  59                           ["Bits Allocated", "16"],
  60                           ["High Bit", "15"],
  61                           ["Pixel Representation", "1"],
  62                           ["Manufacturer", "Picker International, Inc."],
  63                           ["Manufacturer Model Name", "PQ5000"],
  64                           ["7fe0|0010", "gdcm::NotLoaded. Address:1680 Length:524288"] ] ],
  65                 ["CT-MONO2-16-ort.dcm",
  66                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2"],  # Implicit VR, LE
  67                           ["Modality", "CT"],
  68                           ["Rows", "512"],
  69                           ["Columns", "512"],
  70                           ["Bits Stored", "16"],
  71                           ["Bits Allocated", "16"],
  72                           ["High Bit", "15"],
  73                           ["Pixel Representation", "1"],
  74                           ["Manufacturer", "GE MEDICAL SYSTEMS"],
  75                           ["Manufacturer Model Name", "HiSpeed CT/i"],
  76                           ["7fe0|0010", "gdcm::NotLoaded. Address:1674 Length:524288"] ] ],
  77                 ["CT-MONO2-16-ankle.dcm",
  78                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2"],  # Implicit, little
  79                           ["Modality", "CT"],
  80                           ["Rows", "512"],
  81                           ["Columns", "512"],
  82                           ["Bits Stored", "16"],
  83                           ["Bits Allocated", "16"],
  84                           ["High Bit", "15"],
  85                           ["Pixel Representation", "1"],
  86                           ["Manufacturer", "GE MEDICAL SYSTEMS"],
  87                           ["Manufacturer Model Name", "GENESIS_ZEUS"],
  88                           ["7fe0|0010", "gdcm::NotLoaded. Address:1148 Length:524288"] ] ],
  89                 ["CT-MONO2-8-abdo.dcm",
  90                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2"],  # Implicit, little
  91                           ["Modality", "CT"],
  92                           ["Rows", "512"],
  93                           ["Columns", "512"],
  94                           ["Bits Stored", "8"],
  95                           ["Bits Allocated", "8"],
  96                           ["High Bit", "7"],
  97                           ["Pixel Representation", "0"],
  98                           ["Manufacturer", "FUJI"],
  99                           ["7fe0|0010", "gdcm::NotLoaded. Address:796 Length:262144"] ] ],
 100                 ["CT-MONO2-12-lomb-an2.acr2",
 101                         [ ["Modality", "CT"],
 102                           #"Transfer Syntax UID" and "Photometric Interpretation" are absent.
 103                           ["Rows", "512"],
 104                           ["Columns", "512"],
 105                           ["Bits Stored", "12"],
 106                           ["Bits Allocated", "16"],
 107                           ["High Bit", "11"],
 108                           ["Pixel Representation", "0"],
 109                           ["Manufacturer", "SIEMENS"],
 110                           ["7fe0|0010", "gdcm::NotLoaded. Address:1230 Length:524288"] ] ],
 111                 ["CT-MONO2-16-chest.dcm",
 112                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.4.70"], # jpeg...
 113                           ["Modality", "CT"],
 114                           ["Photometric Interpretation", "MONOCHROME2"],
 115                           ["Rows", "400"],
 116                           ["Columns", "512"],
 117                           ["Bits Stored", "16"],
 118                           ["Bits Allocated", "16"],
 119                           ["High Bit", "15"],
 120                           ["Pixel Representation", "1"],
 121                           ["Manufacturer", "GE MEDICAL SYSTEMS"],
 122                           ["7fe0|0010", "gdcm::NotLoaded. Address:1638 Length:143498"] ] ],
 123                 ####################################
 124                 ### MR modality examples:
 125                 ####################################
 126                 ["MR-MONO2-12-angio-an1.acr1",
 127                         [ ["Recognition Code", "ACR-NEMA 1.0"],
 128                           ["Modality", "MR"],
 129                           #"Transfer Syntax UID" and "Photometric Interpretation" are absent.
 130                           ["Rows", "256"],
 131                           ["Columns", "256"],
 132                           ["Bits Stored", "12"],
 133                           ["Bits Allocated", "12"],
 134                           ["High Bit", "11"],
 135                           ["Pixel Representation", "0"],
 136                           ["Manufacturer", "Philips"],
 137                           # Note: 256*256*12/8 = 98304
 138                           ["7fe0|0010", "gdcm::NotLoaded. Address:650 Length:98304"] ] ],
 139                 ["MR-MONO2-12-an2.acr2",
 140                         [ ["Modality", "MR"],
 141                           ["Photometric Interpretation", "MONOCHROME2"],
 142                           ["Rows", "256"],
 143                           ["Columns", "256"],
 144                           ["Bits Stored", "12"],
 145                           ["Bits Allocated", "16"],
 146                           ["High Bit", "11"],
 147                           ["Pixel Representation", "0"],
 148                           ["Manufacturer", "SIEMENS"],
 149                           ["Manufacturer Model Name", "MAGNETOM VISION"],
 150                           ["7fe0|0010", "gdcm::NotLoaded. Address:1866 Length:131072"] ] ],
 151                 ["MR-MONO2-16-head.dcm",
 152                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2"], # Imp VR, LE
 153                           ["Modality", "MR"],
 154                           ["Photometric Interpretation", "MONOCHROME2"],
 155                           ["Rows", "256"],
 156                           ["Columns", "256"],
 157                           ["Bits Stored", "16"],
 158                           ["Bits Allocated", "16"],
 159                           ["High Bit", "15"],
 160                           ["Pixel Representation", "1"],
 161                           ["Manufacturer", "GE MEDICAL SYSTEMS"],
 162                           ["Manufacturer Model Name", "GENESIS_SIGNA"],
 163                           ["7fe0|0010", "gdcm::NotLoaded. Address:1804 Length:131072"] ] ],
 164                 # MR-MONO2-12-shoulder example is present in the Jpeg section.
 165                 # MR-MONO2-16-knee is not present in the test suite since it is too
 166                 #    closely related to MR-MONO2-16-head.dcm to be of interest.
 167                 ####################################
 168                 # OT modality examples:
 169                 ####################################
 170                 # OT-MONO2-8-hip is not present in the test suite since it is too
 171                 #    closely related to OT-MONO2-8-a7 to be of interest.
 172                 ["OT-PAL-8-face.dcm",
 173                         # Interest: has a color palette
 174                         [#"Transfer Syntax UID", and "Manufacturer" are absent.
 175                           ["Modality", "OT"],
 176                           ["Photometric Interpretation", "PALETTE COLOR"],
 177                           ["Rows", "480"],
 178                           ["Columns", "640"],
 179                           ["Bits Stored", "8"],
 180                           ["Bits Allocated", "8"],
 181                           ["High Bit", "7"],
 182                           ["Pixel Representation", "0"],
 183                           ["7fe0|0010", "gdcm::NotLoaded. Address:1654 Length:307200"] ] ],
 184                 # OT-MONO2-8-colon is not present in the test suite since it is too
 185                 #    closely related to OT-MONO2-8-a7 to be of interest.
 186                 ["OT-MONO2-8-a7.dcm",
 187                         [#"Transfer Syntax UID" is absent.
 188                           ["Modality", "OT"],
 189                           ["Photometric Interpretation", "MONOCHROME2"],
 190                           ["Rows", "512"],
 191                           ["Columns", "512"],
 192                           ["Bits Stored", "8"],
 193                           ["Bits Allocated", "8"],
 194                           ["High Bit", "7"],
 195                           ["Pixel Representation", "0"],
 196                           ["Manufacturer", "Philips Medical Systems"],
 197                           ["7fe0|0010", "gdcm::NotLoaded. Address:438 Length:262144"] ] ],
 198                 ####################################
 199                 # US (Ultra Sound) modality examples:
 200                 ####################################
 201                 ["US-RGB-8-esopecho.dcm",
 202                         # Interest: RGB image
 203                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"],  # Exp VR, LE
 204                           ["Modality", "US"],
 205                           ["Photometric Interpretation", "RGB"],
 206                           ["Rows", "120"],
 207                           ["Columns", "256"],
 208                           ["Bits Stored", "8"],
 209                           ["Bits Allocated", "8"],
 210                           ["High Bit", "7"],
 211                           ["Pixel Representation", "0"],
 212                           ["Manufacturer", "Acme Products"],
 213                         # FIXME: 92160 / (120*256) = 3 bytes per pixel NOT 1. Maybe
 214                         # it has something to do with [Samples Per Pixel] = [3] ???
 215                           ["7fe0|0010", "gdcm::NotLoaded. Address:904 Length:92160"] ] ],
 216                 ["US-RGB-8-epicard.dcm",
 217                         # Interest: Big endian transfert syntax
 218                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.2"],  # Big endian
 219                           ["Modality", "US"],
 220                           ["Photometric Interpretation", "RGB"],
 221                           ["Rows", "480"],
 222                           ["Columns", "640"],
 223                           ["Bits Stored", "8"],
 224                           ["Bits Allocated", "8"],
 225                           ["High Bit", "7"],
 226                           ["Pixel Representation", "0"],
 227                           ["Manufacturer", "G.E. Medical Systems"],
 228                           ["Manufacturer Model Name", "LOGIQ 700"],
 229                         # FIXME: 921600/(480*640) = 3 bytes per pixel NOT 1. Maybe
 230                         # it has something to do with [Samples Per Pixel] = [3] ???
 231                           ["Implementation Version Name", "OFFIS-DCMTK-311"],
 232                           ["7fe0|0010", "gdcm::NotLoaded. Address:1012 Length:921600"] ] ],
 233         ]
 234
 235         MultiFrameFiles = [
 236         # The number of images is contained in the "Number of Frames" element
 237                 ["MR-MONO2-8-16x-heart.dcm",
 238                         # Interest: multi-frame
 239                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"], # ExpVR, LE
 240                           ["Number of Frames", "16"],
 241                           ["Modality", "MR"],
 242                           ["Photometric Interpretation", "MONOCHROME2"],
 243                           ["Rows", "256"],
 244                           ["Columns", "256"],
 245                           ["Bits Stored", "8"],
 246                           ["Bits Allocated", "8"],
 247                           ["High Bit", "7"],
 248                           ["Pixel Representation", "0"],
 249                           ["Manufacturer", "Philips"],
 250                           # Note: 256*256*16=1048576 (16 is the number of Frames)
 251                           ["7fe0|0010", "gdcm::NotLoaded. Address:920 Length:1048576"] ] ],
 252                 ["NM-MONO2-16-13x-heart.dcm",
 253                         # Interest: NM modality, multi-frame
 254                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"], # ExpVR, LE
 255                           ["Number of Frames", "13"],
 256                           ["Modality", "NM"],
 257                           ["Photometric Interpretation", "MONOCHROME2"],
 258                           ["Rows", "64"],
 259                           ["Columns", "64"],
 260                           ["Bits Stored", "16"],
 261                           ["Bits Allocated", "16"],
 262                           ["High Bit", "15"],
 263                           ["Pixel Representation", "0"],
 264                           ["Manufacturer", "ACME Products"],
 265                           # Note: 64*64*13*2=106496
 266                           ["7fe0|0010", "gdcm::NotLoaded. Address:1234 Length:106496"] ] ],
 267                 ["US-MONO2-8-8x-execho.dcm",
 268                         # Interest: multi-frame
 269                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"], # ExpVR, LE
 270                           ["Number of Frames", "8"],
 271                           ["Modality", "US"],
 272                           ["Photometric Interpretation", "MONOCHROME2"],
 273                           ["Rows", "120"],
 274                           ["Columns", "128"],
 275                           ["Bits Stored", "8"],
 276                           ["Bits Allocated", "8"],
 277                           ["High Bit", "7"],
 278                           ["Pixel Representation", "0"],
 279                           ["Manufacturer", "Acme Products"],
 280                           ["7fe0|0010", "gdcm::NotLoaded. Address:976 Length:122880"] ] ],
 281                 ["US-PAL-8-10x-echo.dcm",
 282                         # Interest: RLE (Run Length Encoded) compression, multiframe
 283                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.5"], # RLE
 284                           ["Number of Frames", "10"],
 285                           ["Modality", "US"],
 286                           ["Photometric Interpretation", "PALETTE COLOR"],
 287                           ["Rows", "430"],
 288                           ["Columns", "600"],
 289                           ["Bits Stored", "8"],
 290                           ["Bits Allocated", "8"],
 291                           ["High Bit", "7"],
 292                           ["Pixel Representation", "0"],
 293                           ["Manufacturer", "ACME Products"],
 294                           ["7fe0|0010", "gdcm::NotLoaded. Address:2428 Length:481182"] ] ],
 295                 ["XA-MONO2-8-12x-catheter.dcm",
 296                         # Interest: XA modality, multi-frame
 297                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.4.70"], # jpeg
 298                           ["Number of Frames", "12"],  # 12 images
 299                           ["Modality", "XA"],
 300                           ["Photometric Interpretation", "MONOCHROME2"],
 301                           ["Rows", "512"],
 302                           ["Columns", "512"],
 303                           ["Bits Stored", "8"],
 304                           ["Bits Allocated", "8"],
 305                           ["High Bit", "7"],
 306                           ["Pixel Representation", "0"],
 307                           ["Manufacturer", "Acme Products"],
 308                           ["7fe0|0010", "gdcm::NotLoaded. Address:1006 Length:920072"] ] ],
 309         ]
 310
 311         GdcmFiles = [
 312                 ["gdcm-MR-SIEMENS-16.acr1",
 313                         # Interest: good old Acr-Nema Version 1, see also Oddities below
 314                         [ ["Recognition Code", "ACR-NEMA 1.0"],
 315                           ["Modality", "MR"],
 316                           ["Rows", "256"],
 317                           ["Columns", "256"],
 318                           ["Bits Stored", "12"],
 319                           ["Bits Allocated", "16"],
 320                           ["High Bit", "11"],
 321                           ["Pixel Representation", "0"],
 322                           ["Manufacturer", "SIEMENS"],
 323                           ["Manufacturer Model Name", "GBS III"],
 324                         # FIXME: this image looks padded at the end. The length of the file
 325                         # is 140288. Notice that, 256*256*2 + 1024 = 131072 + 1024 = 132096
 326                           ["7fe0|0010", "gdcm::NotLoaded. Address:8192 Length:132096"],
 327                           # Oddities: "Study ID" and "Series Number" are empty
 328                           ["Study ID", ""],
 329                           ["Series Number", ""] ] ],
 330                           # Oddities: "Study" and "Serie Instance UID" are not present
 331                 ["gdcm-MR-SIEMENS-16.acr2",
 332                         # Interest: Acr-Nema Version 2
 333                         [ ["Recognition Code", "ACR-NEMA 2.0"],
 334                           ["Modality", "MR"],
 335                           ["Rows", "512"],
 336                           ["Columns", "512"],
 337                           ["Bits Stored", "12"],
 338                           ["Bits Allocated", "16"],
 339                           ["High Bit", "11"],
 340                           ["Pixel Representation", "0"],
 341                           ["Manufacturer", "SIEMENS"],
 342                           ["Manufacturer Model Name", "MAGNETOM VISION"],
 343                           ["Study Instance UID",
 344                            "1.3.12.2.1107.5.2.4.7630.20000918174641000"],
 345                           ["Study ID", "1"],
 346                           ["Series Instance UID",
 347                            "1.3.12.2.1107.5.2.4.7630.20000918175714000007"],
 348                           ["Series Number", "7"],
 349                           ["7fe0|0010", "gdcm::NotLoaded. Address:6052 Length:524288"] ] ],
 350                 ["gdcm-US-ALOKA-16.dcm",
 351                         # Interest: - possesses 3 LUTS: a Green (checked), a Red and BLue.
 352                         #           - announced as implicit VR, but really explicit VR.
 353                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2"],  # Implicit VR, LE
 354                           ["Modality", "US"],
 355                           ["Photometric Interpretation", "PALETTE COLOR"],
 356                           ["Segmented Green Palette Color LUT Data",
 357                            "gdcm::NotLoaded. Address:89576 Length:113784"],
 358                           ["Rows", "480"],
 359                           ["Columns", "640"],
 360                           ["Bits Stored", "16"],
 361                           ["Bits Allocated", "16"],
 362                           ["High Bit", "15"],
 363                           ["Pixel Representation", "0"],
 364                           ["Manufacturer", "ALOKA CO., LTD."],
 365                           ["Manufacturer Model Name", "SSD-4000"],
 366                           ["7fe0|0010", "gdcm::NotLoaded. Address:258740 Length:614400"] ] ],
 367                 ["gdcm-MR-PHILIPS-16.dcm",
 368                         # Interest: - possesses a sequence
 369                         #           - dicom file, with a recognition code of ACR-NEMA1
 370                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2"],  # Implicit VR, LE
 371                           ["Recognition Code", "ACR-NEMA 1.0"],
 372                           ["Modality", "MR"],
 373                           ["Photometric Interpretation", "MONOCHROME2"],
 374                           ["Rows", "256"],
 375                           ["Columns", "256"],
 376                           ["Bits Stored", "8"],
 377                           ["Bits Allocated", "16"],
 378                           ["High Bit", "7"],
 379                           ["Pixel Representation", "0"],
 380                           ["Manufacturer", "Philips Medical Systems"],
 381                           ["Manufacturer Model Name", "Gyroscan Intera"],
 382                           ["Sequence Variant", "OTHER"],
 383                           ["7fe0|0010", "gdcm::NotLoaded. Address:6584 Length:131072"] ] ],
 384                 ["gdcm-MR-PHILIPS-16-NonRectPix.dcm",
 385                         # Interest: - pixels are non rectangular
 386                         #           - private elements are in explicit VR (which is normal)
 387                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"],  # Explicit VR, LE
 388                           ["Modality", "MR"],
 389                           ["Photometric Interpretation", "MONOCHROME2"],
 390                           ["Rows", "64"],
 391                           ["Columns", "160"],
 392                           ["Bits Stored", "12"],
 393                           ["Bits Allocated", "16"],
 394                           ["High Bit", "11"],
 395                           ["Pixel Representation", "0"],
 396                           ["Manufacturer", "Philips Medical Systems"],
 397                           ["Manufacturer Model Name", "Gyroscan Intera"],
 398                           ["Pixel Spacing", "0.487416\\0.194966"],
 399                           ["7fe0|0010", "gdcm::NotLoaded. Address:5010 Length:20480"] ] ],
 400                 ["gdcm-CR-DCMTK-16-NonSamplePerPix.dcm",
 401                         # Interest: - Misses the "Samples Per Pixel" element which prevents
 402                    #             e-film from reading it.
 403                         #           - Misses the Manufacturer related info
 404                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.1"],  # Explicit VR, LE
 405                           ["Modality", "CR"],
 406                           ["Photometric Interpretation", "MONOCHROME2"],
 407                           ["Rows", "750"],
 408                           ["Columns", "750"],
 409                           ["Bits Stored", "8"],
 410                           ["Bits Allocated", "8"],
 411                           ["High Bit", "7"],
 412                           ["Pixel Representation", "0"],
 413                           ["Implementation Version Name", "OFFIS_DCMTK_341"],
 414                           ["7fe0|0010", "gdcm::NotLoaded. Address:740 Length:562500"] ] ],
 415         ]
 416
 417         GdcmJpegFiles = [
 418                 ["gdcm-JPEG-Extended.dcm",
 419                         # Interest: Jpeg compression [Extended (2,4)]
 420                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.4.51"],
 421                           ["Modality", "CT"],
 422                           ["Photometric Interpretation", "MONOCHROME2"],
 423                           ["Rows", "512"],
 424                           ["Columns", "512"],
 425                           ["Bits Stored", "12"],
 426                           ["Bits Allocated", "16"],
 427                           ["High Bit", "11"],
 428                           ["Pixel Representation", "0"],
 429                           ["Manufacturer", "SIEMENS"],
 430                           ["Manufacturer Model Name", "Volume Zoom"],
 431                           ["7fe0|0010", "gdcm::NotLoaded. Address:2946 Length:192218"] ] ],
 432                 ["MR-MONO2-12-shoulder.dcm",
 433                         # Interest: Jpeg compression [Lossless, non-hierar. (14)]
 434                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.4.57"],
 435                           ["Modality", "MR"],
 436                           ["Photometric Interpretation", "MONOCHROME2"],
 437                           ["Rows", "1024"],
 438                           ["Columns", "1024"],
 439                           ["Bits Stored", "12"],
 440                           ["Bits Allocated", "16"],
 441                           ["High Bit", "11"],
 442                           ["Pixel Representation", "0"],
 443                           ["Manufacturer", "Philips Medical Systems"],
 444                           ["Manufacturer Model Name", "Gyroscan NT"],
 445                           ["7fe0|0010", "gdcm::NotLoaded. Address:1580 Length:718948"] ] ],
 446                 ["gdcm-JPEG-LossLess3a.dcm",
 447                         # Interest: - Jpeg compression [Lossless, hierar., first-order
 448                         #             pred. 14, Select. Val. 1]
 449                         #           - contains a sequence [circa (0008,2112)]
 450                         #           - contains additional data after the pixels ???
 451                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.4.70"],
 452                           ["Modality", "CT"],
 453                           ["Photometric Interpretation", "MONOCHROME2"],
 454                           ["Rows", "512"],
 455                           ["Columns", "512"],
 456                           ["Bits Stored", "12"],
 457                           ["Bits Allocated", "16"],
 458                           ["High Bit", "11"],
 459                           ["Pixel Representation", "0"],
 460                           ["Manufacturer", "SIEMENS"],
 461                           ["Manufacturer Model Name", "Volume Zoom"] ] ],
 462                         # FIXME: the pixel data looks like corrupted. As stated by "od -A d -c"
 463                         #   0002528     à 177 020 \0  O  B \0 \0   ÿ  ÿ   ÿ   ÿ  þ  ÿ \0  à
 464                         #   0002544    \0  \0  \0 \0  þ  ÿ \0  à 202  ? 003  \0  ÿ  Ø  ÿ  Ã
 465                         # which we interpret as follows:
 466                         #   - 2528: (à 177, 020 \0) = (0x7fe0, 0x0010) i.e. Pixel Data tag,
 467                         #   - 2532: OB i.e. encapsulated encoded Pixel Data,
 468                         #   - 2534: Two bytes reserved,
 469                         #   - 2536: ÿ ÿ ÿ ÿ = 0xffffffff i.e. data element length is undefined.
 470                         #   - 2540: (þ ÿ, \0 à) = (0xfffe, 0xe000) i.e. basic offset table
 471                         #           item tag
 472                         #   - 2544: \0 \0 \0 \0 i.e. offset table as length zero, i.e. no
 473                         #           item value for offset table.
 474                         #   - 2548: (þ ÿ, \0 à) = (0xfffe, 0xe000) i.e. item tag of first
 475                         #           fragment of (encoded) pixel data.
 476                         #   - 2552: 202 ? 003 \0 = 212866 bytes i.e. length of first fragment
 477                         #           of (encoded) pixel data.
 478                         # and so the next item tag should be found at the 2556+212866 th
 479                         # octet i.e. at address 215422. But, as stated by od, we find:
 480                         #   0215408   E   u Ö 026   Î   É 7 ¬ Ã ¸ ó ¿ ÿ Ù \f °
 481                         #   0215424   ¶ 016 P   Ñ 002 016
 482                         # and (\f °, ¶ 016) is NOT an OB item TAG which is required to be
 483                         # present (at least there should be a sequence delimiter), refer to
 484                         # PS 3.5-2001 page 50.
 485                 ["gdcm-JPEG-LossLess3b.dcm",
 486                         # Interest: - Jpeg compression [Lossless, hierar., first-order
 487                         #             pred. 14, Select. Val. 1]
 488                         #           - encoding is sligthly different from LossLess3a.dcm ???
 489                         [ ["Transfer Syntax UID", "1.2.840.10008.1.2.4.70"],
 490                           ["Modality", "CR"],
 491                           ["Photometric Interpretation", "MONOCHROME2"],
 492                           ["Rows", "2076"],
 493                           ["Columns", "1876"],
 494                           ["Bits Stored", "15"],
 495                           ["Bits Allocated", "16"],
 496                           ["High Bit", "14"],
 497                           ["Pixel Representation", "0"],
 498                           ["Manufacturer", "Philips Medical Systems"],
 499                           ["Manufacturer Model Name", "Cassette Holder Type 9840 500 35201"],
 500                           ["7fe0|0010", "gdcm::NotLoaded. Address:3144 Length:4795668"] ] ],
 501         ]
 502
 503         def _BaseTest(self, FileSet):
 504                 for entry in FileSet:
 505                         fileName = os.path.join(TestFileDir, entry[0])
 506                         toRead = gdcm.gdcmHeader(fileName)
 507                         toRead.LoadElements()
 508                         valDict = toRead.GetPubElVal()
 509                         for subEntry in entry[1]:
 510                                 element = subEntry[0]
 511                                 value   = subEntry[1]
 512                                 self.assertEqual(valDict[element], value,
 513                                                  ("Wrong %s for file %s (got %s, shoud be %s)"
 514                                                    % (element,fileName, valDict[element], value)) )
 515
 516         def testBarre(self):
 517                 gdcmTestCase._BaseTest(self, gdcmTestCase.BarreFiles)
 518
 519         def testMultiFram(self):
 520                 gdcmTestCase._BaseTest(self, gdcmTestCase.MultiFrameFiles)
 521
 522         def testFiles(self):
 523                 gdcmTestCase._BaseTest(self, gdcmTestCase.GdcmFiles)
 524
 525         def testJpeg(self):
 526                 gdcmTestCase._BaseTest(self, gdcmTestCase.GdcmJpegFiles)
 527
 528 if __name__ == '__main__':
 529         unittest.main()
 530