Questions tagged [binary]

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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
95 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
55 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 ...
5
votes
0answers
73 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 ...
2
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0answers
321 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
0answers
42 views

Reading product of same ByteArrays

I am handling a huge set of data and I am trying to optimize my code. I have very large expressions to expand and simplify and I've seen that converting the expressions to ByteArrays improves a lot ...
1
vote
1answer
95 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
60 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
47 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
63 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
23 views

FindClusters Hamming Distance giving error

I am trying to run FindClusters[hex, DistanceFunction -> HammingDistance[IntegerDigits[#, 2, 8], IntegerDigits[0, 2, 8]] &] over a list of data but I keep ...
0
votes
0answers
39 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 ...