Questions about getting data, files, images etc. from various formats into a form that can be read, tranformed and manipulated by Mathematica
5
votes
1answer
67 views
Why doesn't DumpSave work for elements created within a local notebook context?
I recently noticed that when dealing with notebooks with local context, I cannot successfully DumpSave variables, or, rather, when I call ...
2
votes
1answer
236 views
Reading in Huge Text Files
I would like to read in really large text files (about 2GB) into Mathematica. The structure of the file is such that the first row and the first column are text i.e strings. Rest is all numbers. Is it ...
1
vote
1answer
72 views
How to make the plot from geotiff format
I have a "GeoTIFF" format map, and I have imported it into Mathematica, then I used the Graphics to plot a point on the map. ...
7
votes
0answers
148 views
Is there an efficient and elegant way to import huge datasets from a mysql database?
I'm struggling to import huge datasets (up to a couple million rows) from a MYSQL database into Mathematica. I already tried http requests, direct sql calls, as well as implementing a web service, ...
7
votes
0answers
132 views
Is there a Palette for processing experimental data?
I find that Mathematica has excellent tools for processing experimental data: importing complex data, manipulating it, fitting curve to the data and plotting with error bars. But the problem for me is ...
6
votes
0answers
103 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:
...
4
votes
0answers
83 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
votes
0answers
78 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
votes
0answers
79 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
votes
0answers
201 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
vote
0answers
47 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 ...
1
vote
0answers
54 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 ...
1
vote
0answers
101 views
Transferring a list from one notebook to another
I have Mathematica code split into two notebooks. The first part is supposed to run and output a list of numbers into a text file, using Export. The second part ...
0
votes
0answers
80 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 ...
0
votes
0answers
148 views
How to import data from Blender or 3DS max file?
I would like to ask how to import a file from Blender 3D application and make a isolines plot.
What I intend to do is to make a terrain model in Blender, and make a topographic map of it in ...
0
votes
0answers
89 views
Do Import and Get work asynchronously? Can I prevent this?
I'm getting strange behavior in some of my notebooks that makes it seem like Import and Get load asynchronously. When I evaluate ...
