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7
votes
2answers
205 views

Extracting and displaying data from GW150914 hdf5 files

Has anyone looked at the LIGO data using Mathematica or know how to do this? I'm not familiar with the hdf5 format but I've been able to import the data, consisting primarily of 131,072 floating ...
2
votes
1answer
34 views

How can I export to HDF5 with a specific Datatype (“DataFormat”)

I am trying to export some largish integer arrays to HDF5 and know that every entry in them would fit into an unsigned 8 bit integer array. As the default "DataFormat" for export that Mathematica is ...
1
vote
1answer
80 views

HDF5 file managing for dummies

I am new to HDF5 format and I am also not hundred percent confident with Mathematica. I have googled to find out examples to deal with HDF5 files in Mathematica but couldn't find one that work out for ...
4
votes
0answers
72 views

File Formats for Scientific Data

I have a simulation written in another language which currently just dumps all its data (doubles, lists of doubles, lists of lists of doubles) in lines in ASCII, and then I read it into Mathematica by ...
3
votes
0answers
135 views

Best practices with HDF5 and Datasets

I work with colleagues who rely on HDF5 as their data interchange format (largely exported from Python's Pandas). Of course we ...
16
votes
2answers
221 views

HDF5 importing large arrays

I have some computations that output a 300,000,000 element array of long unsigned ints, so about 2.4GB, in an h5 file. Mathematica handles files south of 2GB fine, albeit taking very long to import ...
5
votes
1answer
220 views

HDF5 and complex numbers

I "Export" an array with complex numbers with HDF5 format. When I "Import" it, I only get the real part. Simple example: ...
0
votes
1answer
125 views

Importing and manipulating data in HDF format

I have two matrices A1 and A2 in HDF format. I use the following code to import them. ...
5
votes
1answer
256 views

Exporting multiple arrays in a single HDF5 file in Mathematica 7

Bug introduced in 7.0 and fixed in 8.0 I am using Mathematica 7 and I need to export a table of data and the corresponding x and ...
6
votes
1answer
648 views

How to export attributes or annotations to an HDF5 file?

I'm trying to export attributes and annotations to an HDF5 file. But the documentation here is horrible and there are no examples of this. I spent some time playing, but I can't get it to work. Here ...
11
votes
3answers
645 views

DataEncoding and compression in HDF5 format

I would like to export data in HDF5 format with Mathematica 9. The Mathematica manual about Import and Export of this format can be read here. As I'm dealing with large arrays, export often lead to ...