MED_DCM_DS_TAG

This macro is used for getting the Group Number out of a Tag.

Declaration:

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MED_DCM_DS_TAG_GROUP(Tag)

Arguments:

Tag	Supply this argument with a 32-bit Tag value.

Return Value:

Returns the 16-bit Group Number portion of a 32-bit Tag value.

Supported Raster Image Formats:

This function does not process image pixels.

The image must have a DICOM DataSet attached to it. Use MED_DCM_DS_exists to check whether the image contains a DataSet.

Example:

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group = MED_DCM_DS_TAG_GROUP(DCM_TAG_IssuerOfPatientID) /* group equals 0x0010 */

Remarks:

Supply it with a 32-bit Tag value, and it will return the 16-bit Group Number value. The Group Number is the most significant WORD of the 32-bit Tag value.