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LDicomDS::GetInfoImage

Summary

Retrieves information about the specified image.

Syntax

#include "Ltdic.h"

L_UINT16 LDicomDS::GetInfoImage(pElement, pInfo, nIndex)

Parameters

pDICOMELEMENT pElement

Pointer to a DICOMELEMENT structure within the Data Set.

pDICOMIMAGE pInfo

Pointer to a DICOMIMAGE structure that contains the information about the specified image.

L_UINT32 nIndex

Index value that indicates the position of the image. This is a zero-based index. For example, if nIndex is 0, information about the first image in the Pixel Data Element will be retrieved.

Returns

Value	Meaning
0	SUCCESS
>0	An error occurred. Refer to Return Codes.

Comments

Most DICOM files will only have one Data Element of type TAG_PIXEL_DATA. Therefore, in most instances you can set pElement to NULL, since the function will automatically retrieve information about the image at the specified index within the only Pixel Data Element in the file. If pElement is not NULL, it must point to the Pixel Data Element itself.

If the DICOM file is CLASS_BASIC_DIRECTORY, the file may contain more than one Pixel Data Element. In this case you must specify in pElement the Pixel Data Element from which to get the image information.

Required DLLs and Libraries

LTDIC
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Platforms

Win32, x64

Example

This example returns the information about an image.

L_INT LDicomDS_GetInfoImageExample() 
{ 
   L_INT          nRet; 
   LDicomDS      *pDS; 
   pDICOMELEMENT  pElement; 
   DICOMIMAGE     Info; 
 
   pDS = new LDicomDS(NULL); 
 
   nRet = pDS->LoadDS(MAKE_IMAGE_PATH(TEXT("image1.dcm")), 0); 
   if(nRet != DICOM_SUCCESS) 
      return nRet; 
 
   pElement = pDS->FindFirstElement(NULL, TAG_PIXEL_DATA, FALSE); 
   if (pElement != NULL) 
   { 
      nRet = pDS->GetInfoImage(pElement, &Info, 0); 
      if(nRet != DICOM_SUCCESS) 
         return nRet; 
   } 
 
   delete pDS; 
 
   return DICOM_SUCCESS; 
}