Questions tagged [binary]

The tag has no usage guidance.

12 questions with no upvoted or accepted answers
Filter by
Sorted by
Tagged with
12
votes
0answers
444 views

Why does Mathematica consume so much memory when reading binary data?

There are somewhat similar questions on here, but I didn't find a satisfying answer for this case: I import a 1.7 GB binary data file using the following command: ...
6
votes
0answers
78 views

Importing a 12 bit array

I have a binary file of 12 bits integers obtained from a camera software. It can produce FITS files from these but the processing time on the large data set I have is excessive. What I have is the ...
5
votes
0answers
71 views

How to force the writing of buffers onto disk?

Usually, buffering is good; except when you critically need to write data to disk. Is there a way to force the writing of buffers onto disk? (I'm using a binary file) I believe a ...
4
votes
0answers
46 views

Does NumericArray always maintain data unmodified?

Suppose that we create a NumericArray using a LibraryLink function, then pass this to another one. Is NumericArray guaranteed to maintain the binary data as it was ...
2
votes
0answers
293 views

Converting hex string to ByteArray

With blockchain support, it should finally become straightforward to convert string hashes to ByteArray, but I still can't figure out the canonical Wolfram way of ...
1
vote
1answer
32 views

Import OVF 2.0 Vector field files

I'm using a simulation software (mumax3) which outputs OVF_2.0 files. It can either export binary or text files. The binary files are usually much smaller than the text files. I would like to use the ...
1
vote
0answers
47 views

How to recover plaintext from .MX files?

I need a function to deserialize the contents of an MX source file for reading. We can’t simply use Get because I don’t want to load or run the code, but rather to ...
1
vote
0answers
61 views

Efficiently transform sequentially generated integer matrices into boolean matrices

Assume you have a list of 5 numbers, eg L = {14, 7, 11, 14, 0};. Now, what you want to do with this list, is to transform each entry into eg a binary list, using <...
1
vote
0answers
187 views

The binary of negative integer number

I have a question about the binary of negative integer number in Mathematica. In most implementations, negative signed integers are stored in what is called two's complement. The other major way of ...
1
vote
0answers
45 views

Binary Image Size after import

I have a lot of binary images I would like to import into mathematica. Each of them is 132kB (1024x1024) big. Like the following: As soon as I import it into Mathematica however and call ByteCount[...
1
vote
0answers
57 views

Export 1bit Image

I have a binary image like the following one: How can I export it as an 1bit image instead of an 8bit one? If I export it in tiff it automatically becomes an 8bit one. Best, Max
0
votes
0answers
38 views

Table Glitch / Error with binary data

I have a large group of binary files that I am loading with binaryList = Table[ BinaryReadList[ paths[[i]], "Byte"], {i, Length@paths}]; specifically ...