Problem with binary file

Tobi · February 16, 2015, 16:36

Hi all,

I want to open a binary file with FOAM Classes but I fail and I do not know why. The code is working with the following:

Code:

char tag[40];

std::fstream is;
is.open("Filename", std::ios::in | std::ios:binary);
is.read(tag, sizeof(tag));
Info<< tag << "\n";

Output is -> version.
If I replace it with Foam classes like:

Code:

char tag[40]

fileName name_ = "Filename";
IFstream is(name_, IFstream::BINARY);
is.read(tag, sizeof(tag));

Output is:

Code:

--> FOAM FATAL IO ERROR: 
Expected a '(' while reading binaryBlock, found on line 1 the word 'version'

I will use the first version now but do anybody know where is my mistake? Thanke in advance.

sharonyue · March 5, 2015, 17:36

maybe convert binary into ASCII then do your job? haha.

Tobi · March 5, 2015, 21:31

Let me know how?!
The binary file is closed and is generated by a closed source ...

Nontheless I solved the problem!

sharonyue · March 6, 2015, 02:23

Quote:

Originally Posted by Tobi

Let me know how?!
The binary file is closed and is generated by a closed source ...

Nontheless I solved the problem!

foamFormatConvert can do this job.
oh, maybe this will not work on your case.

Anyway, U already did it. Good luck!

Tobi · March 6, 2015, 06:01

Hi,

i think foamFormatConvert only works with the OpenFOAM Files

February 16, 2015, 16:36	Problem with binary file	#1
Tobi Super Moderator Tobias Holzmann Join Date: Oct 2010 Location: Tussenhausen Posts: 2,708 Blog Entries: 6 Rep Power: 51	Hi all, I want to open a binary file with FOAM Classes but I fail and I do not know why. The code is working with the following: Code: char tag[40]; std::fstream is; is.open("Filename", std::ios::in \| std::ios:binary); is.read(tag, sizeof(tag)); Info<< tag << "\n"; Output is -> version. If I replace it with Foam classes like: Code: char tag[40] fileName name_ = "Filename"; IFstream is(name_, IFstream::BINARY); is.read(tag, sizeof(tag)); Output is: Code: --> FOAM FATAL IO ERROR: Expected a '(' while reading binaryBlock, found on line 1 the word 'version' I will use the first version now but do anybody know where is my mistake? Thanke in advance. __________________ Keep foaming, Tobias Holzmann

March 5, 2015, 21:31		#3
Tobi Super Moderator Tobias Holzmann Join Date: Oct 2010 Location: Tussenhausen Posts: 2,708 Blog Entries: 6 Rep Power: 51	Let me know how?! The binary file is closed and is generated by a closed source ... Nontheless I solved the problem! __________________ Keep foaming, Tobias Holzmann

March 6, 2015, 06:01		#5
Tobi Super Moderator Tobias Holzmann Join Date: Oct 2010 Location: Tussenhausen Posts: 2,708 Blog Entries: 6 Rep Power: 51	Hi, i think foamFormatConvert only works with the OpenFOAM Files __________________ Keep foaming, Tobias Holzmann

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March 5, 2015, 17:36		#2
sharonyue Senior Member Dongyue Li Join Date: Jun 2012 Location: Beijing, China Posts: 838 Rep Power: 17	maybe convert binary into ASCII then do your job? haha.