[ITK] [ITK-users] itk mhd header

[Lowekamp, Bradley (NIH/NLM/LHC) [C]]

MetaIO does not have many formal fields. Those that are defined are here:

https://itk.org/Wiki/ITK/MetaIO/Documentation

MetaIO Image from ITK also writes out the ITK's Meta Data Dictionary along with the image. The dictionary can contain arbitrary information. These fields looks like they came from a NIFT file:

https://brainder.org/2012/09/23/the-nifti-file-format/

It is generally more productive to learn how to use existing libraries as opposed to hacking your own for IO. This help ensure that everyones files are compatible and usable.

HTH,
Brad

> On Sep 15, 2016, at 3:26 AM, swetha <swetha.bsharma at gmail.com> wrote:
> 
> Hi,
> 
>  I have this mhd file header 
> 
> ObjectType = Image
> NDims = 3
> BinaryData = True
> BinaryDataByteOrderMSB = False
> CompressedData = False
> TransformMatrix = 1 0 0 0 1 0 0 0 1
> Offset = 0 0 0
> CenterOfRotation = 0 0 0
> AnatomicalOrientation = RAI
> ElementSpacing = 1 1 1
> bitpix = 8
> cal_max = 256
> cal_min = 0
> datatype = 2
> dim[0] = 4
> dim[1] = 480
> dim[2] = 480
> dim[3] = 256
> dim[4] = 1
> dim[5] = 1
> dim[6] = 0
> dim[7] = 0
> dim_info =  
> intent_code = 0
> intent_p1 = 1.86143e+034
> intent_p2 = 0
> intent_p3 = 0
> pixdim[0] = 0
> pixdim[1] = 1
> pixdim[2] = 1
> pixdim[3] = 1
> pixdim[4] = 0
> pixdim[5] = 0
> pixdim[6] = 0
> pixdim[7] = 0
> qform_code = 0
> qoffset_x = 0
> qoffset_y = 0
> qoffset_z = 0
> quatern_b = 0
> quatern_c = 0
> quatern_d = 0
> scl_inter = 0
> scl_slope = 1
> sform_code = 0
> slice_code =  
> slice_duration = 0
> slice_end = 0
> slice_start = 0
> srow_x = 0 0 0 0
> srow_y = 0 0 0 0
> srow_z = 0 0 0 0
> toffset = 0
> vox_offset = 0
> xyzt_units =  
> DimSize = 480 480 256
> ElementType = MET_SHORT
> ElementDataFile = usg2_-2.raw
> 
> I want to know what the tags mean so that i can write a function to parse
> and display the image.
> -swetha
> 
> 
> 
> 
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