Questions about getting data, files, images etc. from various formats into a form that can be read, tranformed and manipulated by Mathematica

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0
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1answer
29 views

Importing Output from Linux mpstat to Calculate Aggregate and Per-CPU Averages, Creating Tables and Graphs

I'm a Mathematica noob, running a trial version for the moment, but have run into the wall trying to handle this in Excel and am looking for other options. While running a benchmark application I'm ...
12
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0answers
1k views

Web Browsing Automation with Mathematica

I want to build a bot to automate web browsing, this mean something like: filling forms press "submit" buttons find certain text inside pages and so on... How can I do this with Mathematica? The ...
8
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0answers
273 views

Import an SPSS, SAS, or STATA file into Mathematica

I would like to import the World Value Survey data file into Mathematica, but it's only given in spss, sas or stata formats, which are statistical analysis softwares format I think. I can't get to ...
7
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0answers
195 views

What are the known differences between Save and DumpSave, and how to account for them?

Edit: I changed the title and (slightly) the wording of this question in order to make it more easily answerable. If I evaluate this in Mathematica 9: ...
5
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0answers
123 views

What is the best way (lossless) to import .skp files into Mathematica?

I am using the free version of Google Sketchup and I've got a few designs in hand, which I need to be able to import into Mathematica. I saw the similar question asked by @Sjoerd C. de Vries in Stack ...
4
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0answers
65 views

Import Excel data forcing links (ie workbooks) to be updated

We have noticed importing data from an Excel spreadsheet doesn’t update links. The problem with this is if you import a spreadsheet that comprises of linked workbooks data and those workbooks have ...
4
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0answers
156 views

Single image import from stack via FTP connection

Background I would like to create a CDF document that is embedded on a webpage. The CDF will contain some image display ...
4
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0answers
132 views

Getting EPS imports to respect the original fill rule

One major problem in my attempt to answer to the CountryData flags question is that the way Mathematica handles filled curves differs from the way SVG and EPS style editors do. The latter two have the ...
3
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0answers
96 views

Problem with FTP import in V10

Mathematica V10 returns an error when download directory. URLFetch :: invhttp: "FTP: could not retrieve (RETR failed) the specified file." V9 successfully retrieves the same reference. This ...
3
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0answers
98 views

Using data from multiple cameras

ImageCapture[] has an option Device-> for specifying which camera to use, but ...
3
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0answers
89 views

Finding the argument set for internal functions in Mathematica v9.0

I've recently run into a problem with importing TIF stacks in Mathematica: Slow import of multigigabyte TIF image stacks On the advice of Simon Woods and others, I've been looking into the behavior ...
3
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0answers
160 views

Strange behavior of undocumented RawArray and ArrayObject expressions

I discovered several strange results and inconsistencies while trying to understand what undocumented RawArray and ArrayObject ...
3
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0answers
97 views

External file Sub Matrix Import

Is there a Built-In Mathematica Function to extract a Sub matrix from a huge external file? Functions getting pieces of internal nested Lists, (arrays) are in place. Example: ...
2
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0answers
61 views

Antialiased text in manipulate constantly re-evaluated, ignores TrackedSymbols

I am trying to display antialiased text (using the ImportString[ExportString[]] method shown here) but inside a manipulate so that the text can be changed interactively. I have found a way to do this, ...
2
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0answers
57 views

The “right” way to define a custom Encoding format?

I have implemented an Import|Export format for xz that behaves like gzip and other encoding formats: ...
2
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0answers
166 views

Exporting Specific Cells of Many Workbooks into One using Mathematica

I currently have a large number of detailed files from which I would like to extract certain cells' information to make an Archive spreadsheet. There are approximately 9 parameters of each ...
2
votes
0answers
96 views

Significant platform-dependent efficiency when importing data?

I'm curious, as I understand that answer this way: If you are using a Linux derivative or something like cygwin on Windows, then this is an efficient solution for reading only the third field ...
2
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0answers
453 views

Can not Import PDF

I try to import PDF and extract text from it Import["D:\\Vegetarian MS.pdf", {"PDF", "Plaintext"}] but with some files I have a problem like this ...
1
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0answers
67 views

Datastream to Mathematica

I currently use data from Thomson Reuters Datastream. With an add-in in Excel, the data can be requested. Because I need to use the data in Mathematica, and I need to update the data frequently: Is it ...
1
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0answers
74 views

InstallJava::fail error when importing an image with a Raspberry Pi

I'm trying to import an image in Mathematica on my Raspberry Pi. The code is simple but I get an error when importing: ...
1
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0answers
53 views

Getting InputStream errors when including a call to ElementData within an Import definition

So I am writing an ImportExport converter for a common chemistry file format, and I've run up against a problem that seems to be about shared streams and whatnot. ...
1
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0answers
59 views

Understanding the discrepancy between txt file import and export times, and possibly speeding up Import

I attempted to import a very short .txt file string using the Import command: ...
1
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0answers
110 views

Errors importing UTF8 file to mathematica

I'm trying to import this file: Import["https://dl.dropboxusercontent.com/u/35192406/jarlaxxe_tweets.\ csv", CharacterEncoding -> "UTF8"] But I am getting ...
0
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0answers
40 views

importing a file with asterisk in its name (Linux machines)

I am trying to import a file: ...
0
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0answers
54 views

How to save all data in all variables in context different than “global”?

I have seen questions on saving data on "global" context. Now if I set my notebook's evaluation context "unique to this notebook". the global context doesn't work quite well. Any idea what should i do ...
0
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0answers
151 views

Calling a DLL with two inputs and one output

I need to call a DLL that requires two real number inputs to get one real output back. I can get one of the simple example uses of DefineDLLFunction to work, but I ...
0
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0answers
144 views

Behavior of copy and paste with different image formats

Ok, let's say I create a 1x1 pixel image. i = Image[{{0}}, "Byte"]; Now I Export["image.png", i] the image and import it into ...
0
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0answers
57 views

Import and file symbolic links

Can Import be forced to follow a file symbolic link (a.k.a. alias (Mac) or shortcut (Windows)) to the true file?
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0answers
219 views

Determining if a point is inside or outside a 3DS (.3ds) or 3DS MAX (.max) object?

Imagine I import some 3DS (i.e. 3D studio) file (http://reference.wolfram.com/mathematica/ref/format/3DS.html) or a 3DS MAX file. How could I place this model (say, the 747.3ds file in the ...