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https://issues.apache.org/jira/browse/TIKA-3742?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17530457#comment-17530457
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Dan Coldrick edited comment on TIKA-3742 at 4/30/22 9:32 PM:
-------------------------------------------------------------

Is this correct for working out the deletion? If it is I might actually 
understand how its working a bit more!
{code:java}
boolean isdeleted = BigInteger.valueOf(h2).testBit(7); {code}
Edit:

That looks to have done the trick. Next issue is I'm getting different values 
out compared to dgn dump (and when I look at the file using MicroStation) 

An example is in 

I get out 1264t.dgn (I've attached to JIRA)

INDIAN     TRAIL     RD]

where as it should just be

INDIAN     TRAIL     RD

I've got multiple examples of these.


was (Author: monkmachine):
Is this correct for working out the deletion? If it is I might actually 
understand how its working a bit more!
{code:java}
boolean isdeleted = BigInteger.valueOf(h2).testBit(7); {code}
Edit:

That looks to have done the trick. Next issue is I'm getting different values 
out compared to dgn dump (and when I look at the file using MicroStation) 

An example is in 

I get out 1264t.dgn (I've attached to JIRA)

INDIAN     TRAIL     RD]

where as it should just be

INDIAN     TRAIL     RD

> Advice around DGN7 parser and whether to add to TIKA
> ----------------------------------------------------
>
>                 Key: TIKA-3742
>                 URL: https://issues.apache.org/jira/browse/TIKA-3742
>             Project: Tika
>          Issue Type: Task
>          Components: parser
>            Reporter: Dan Coldrick
>            Priority: Minor
>         Attachments: 1264t.dgn, DGN.zip, ExampleOutput.txt
>
>
> Hi [~tallison] & Whoever else. 
> I managed to compile the C/C++ library [http://dgnlib.maptools.org/]  for 
> DGN7 which produces an dgndump.exe which will dump all the data from the DGN. 
> From my initial testing it looks pretty good. 
> Would you guys think it was worth adding this or just keep it as a custom 
> parser rather than in the main source code? It's under MIT license. I've 
> attached the exe (zipped), a copy of the output from the dump and my very 
> dirty testing calling the exe (my code I was only interested in the Strings 
> so am only pulling those into a string array at the moment to check it's 
> pulling out the correct data).



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