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# File_DICOM::dumpImage()

File_DICOM::dumpImage() -- Dumps the contents of the image inside the DICOM file (element 0x0010 from group 0x7FE0) to a PGM (Portable Gray Map) file.

## Synopsis

    require_once 'File/DICOM.php';

``mixed File_DICOM::dumpImage` (string $filename)`

## Description

Use with Caution!!. For a 8.5MB DICOM file on a P4 it takes 28 seconds to dump it's image.

## Parameter

string `$filename`

  The file where to save the image

## Return value

returns true on success, PEAR_Error on failure.

## Note

This function can not be called statically.

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