DICOM @ OFFIS

Discussion Forum for OFFIS DICOM Tools - For registration, send email with desired user name to the OFFIS DICOM team
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 Forum: DCMTK - General   Topic: Pixel Representation not found error when using dcmodify

Posted: Fri, 2017-04-21, 19:37 

Replies: 3
Views: 25


Compressed pixel data uses a different encoding of the Pixel Data element. It's a sequence-like structure with so-called pixel items (see DICOM part 5 for details or look at the dcmdump output of some compressed DICOM image).

 Forum: DCMTK - General   Topic: Pixel Representation not found error when using dcmodify

Posted: Fri, 2017-04-21, 18:43 

Replies: 3
Views: 25


When DCMTK 3.6.0 was released, the transfer syntax "MPEG-4 AVC/H.264 High Profile / Level 4.1" was not yet defined in the DICOM standard. So, you should use a more recent snapshot... if this still doesn't work, please tell us the dcmodify command line options you've used.

 Forum: DCMTK - General   Topic: Copyright Statement in tstring.cc - correct???

Posted: Thu, 2017-04-20, 16:42 

Replies: 3
Views: 52


This is something OFFIS has to decide. I'll forward your request to the OFFIS DICOM Team.

 Forum: DCMTK - General   Topic: Copyright Statement in tstring.cc - correct???

Posted: Thu, 2017-04-20, 09:18 

Replies: 3
Views: 52


Did you read the introductory sentence?

ofstd/tests/tstring.cc wrote:
This file is derived from a file with the following copyright statement: [...]

The original, 20-years-old version of this file can be found here: http://git.dcmtk.org/?p=dcmtk.git;a=blo ... debb5a21af

 Forum: DCMTK - General   Topic: bug in OFTime::setISOFormattedTime

Posted: Fri, 2017-04-14, 19:01 

Replies: 1
Views: 36


Thank you for the report. So, "%i" should be replaced by "%d", right?

Code:
d      Matches an optionally signed decimal integer; the next pointer must be a pointer to int.


Will be fixed with Commit bc268ae.

 Forum: DCMTK - General   Topic: Private tag writing error Illegal call, perhaps wrong parame

Posted: Fri, 2017-04-14, 11:31 

Replies: 4
Views: 79


The private data element (0009,3345) shouldn't be stored as "UN" unless you've written the dataset with Implicit VR Little Endian (and the dump tool does not know about your private attributes).

 Forum: DCMTK - Installation   Topic: Simple question on OFlog usage

Posted: Sat, 2017-04-08, 20:40 

Replies: 4
Views: 76


Looking into the implementation of OFLog::configureFromCommandLine() might help.

 Forum: DCMTK - General   Topic: Graceful termination of DcmSCP::listen()

Posted: Fri, 2017-04-07, 20:15 

Replies: 3
Views: 84


Line 1782 in which file?

 Forum: DCMTK - General   Topic: Private tag writing error Illegal call, perhaps wrong parame

Posted: Fri, 2017-04-07, 20:10 

Replies: 4
Views: 79


In line "DcmTag dcmTag1(0x0009, 0x3345);" you either have to provide the VR or the Private Creator as the third (optional) parameter.

 Forum: DCMTK - Installation   Topic: Simple question on OFlog usage

Posted: Fri, 2017-04-07, 17:15 

Replies: 4
Views: 76


Seems that you are mixing up logger name and logging configuration filename (you use "log4cplus_configure.ini" for both). Where do you load the configuration file?

 Forum: DCMTK - General   Topic: Extracting 4G pixel data to file (raw) without loading...

Posted: Wed, 2017-03-29, 10:40 

Replies: 8
Views: 110


OK, so maybe it's easier with an example (which I wrote just for you :) ): #include "dcmtk/dcmdata/dcfilefo.h" #include "dcmtk/dcmdata/dcdeftag.h" #include "dcmtk/dcmdata/dcelem.h" #include "dcmtk/dcmdata/dcfcache.h" #define BUFFER_SIZE 1024 int main (int argc...

 Forum: DCMTK - General   Topic: Extracting 4G pixel data to file (raw) without loading...

Posted: Tue, 2017-03-28, 08:04 

Replies: 8
Views: 110


No, just call getPartialValue() on the "element" and pass a pointer to a DcmFileCache instance to it (in case of multiple calls in order to increase performance).

I'm still not sure why you use DcmWriteCache...

 Forum: DCMTK - General   Topic: Extracting 4G pixel data to file (raw) without loading...

Posted: Mon, 2017-03-27, 20:48 

Replies: 8
Views: 110


Not sure what you are trying to do there but what I wanted to say in my previous posting: get the Pixel Data element, e.g. using findAndGetElement(), and then call getPartialValue() on this element.

 Forum: DCMTK - General   Topic: Extracting 4G pixel data to file (raw) without loading...

Posted: Mon, 2017-03-27, 17:15 

Replies: 8
Views: 110


In case of uncompressed pixel data, you could use DcmElement::getPartialValue() on the pixel data element.

 Forum: DCMTK - General   Topic: dcmtk for x64 bit processor

Posted: Wed, 2017-03-22, 16:00 

Replies: 8
Views: 116


That's not the current snapshot but the latest release (which is more than 6 years old). Please use the current snapshot!
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