Questions on converting data, graphics, sound etc. from Mathematica into other file formats.

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28
votes
2answers
4k views

How to save all data in all variables so that loading it is fast?

I've got this CSV file I've imported that has tens of millions of lines in it. It takes around 20 minutes to import. I've been working with it for a while and have the processed data spread out in a ...
3
votes
3answers
199 views

How do I save a Unicode string?

I am having a problem saving a long complicated string with Unicode characters in it. I have boiled the problem down, I think, to this minimal example: ...
0
votes
2answers
192 views

Comma issue from number point in csv export!

Here is my issue: I want to export to csv file some data: ...
1
vote
3answers
4k views

How to export data to a plain text file?

I am preparing data used by a command line program. It requires data in a simpliest possible format: value_x1 value_y1 value_x2 value_y2 ... value_xN value_yN ...
4
votes
1answer
104 views

ExportString and HTML: where are saved images?

I want to use ExportString to generate HTML expression. Here is an easy example: ExportString[x^3, "HTML", "FullDocument" -> False] gives ...
1
vote
1answer
52 views

How can I give each section a unique <a> tag when I Export as XHTML?

Exporting a notebook as XHTML allows me to override the default HTML tags that are written for section-header-like cells. For example, a notebook cell whose type is "Section", containing text "The ...
0
votes
1answer
94 views

Mathematica: issues storing nested list on disk

having trouble with mathematica using nested lists. I want to save a list like this: l1={{a1,{a,b,c,d,e}},{a2,{f,g,h,i}}} So, the nested components do not have ...
0
votes
0answers
45 views

How can I export a notebook into multimarkdown? [duplicate]

Mulitmarkdown (.md filetype) is a very nice document format that supports rendering mathematical expressions like latex or mathml, rendering syntax highlighted code blocks for any language, as well as ...
5
votes
1answer
189 views

Export from ParametricPlot3D to 3D Formats yields distorted surface meshes

as described im my blog post: http://wolfig-techblog.blogspot.de/2015/04/blender-as-shader-for-mathematica.html I tried to export a Klein bottle ParametricPlot3D to one commonly used 3D mesh formats ...
0
votes
1answer
123 views

Building a 1 page “Scorecard” in mathematica [closed]

I'd like to be able to generate an 11 x 8.5 "scorecard" for various data projects I am working on. Traditionally, I'd import all my data into Excel, put the data into worksheets, and then have a ...
6
votes
0answers
273 views

Bug report: Attempting to Save Selection As… in a magnified Notebook fails with errors [duplicate]

Bug introduced in 9.0.1 or earlier and persisting through 10.0.2 or later I have found that attempting to Save Selection As... in a magnified Notebook fails with errors. On my system it can be ...
2
votes
0answers
128 views

Transforming/exporting text to image

I have a string in a .txt which I process as follow: ...
5
votes
1answer
248 views

Extra spaces when exporting strings into pdf (bug, linux)

Rationale: Imagine you would like to create a publication quality figure in Mathematica, from under Linux. Naturally, it will contain text/labels. Problem: Here is a simple string ...
8
votes
1answer
200 views

Is Mathematica's (v10.0.2) NetCDF exporter broken? [duplicate]

I'm trying something very simple, namely: Export["file.nc", {"Datasets" -> {"seqs" -> {"AAA", "BBB"}}}, "Rules"] And getting Java errors about "illegal ...
1
vote
1answer
176 views

Can Save[] produce a .nb file instead of a text file?

(I use Mathematica 9.0.1 on OS X 10.10.2.) Suppose I have a notebook in which I make some definitions and assignments. ...
1
vote
1answer
149 views

How do I smooth or remove jitter from an exported Graphics3D plot?

I have exported a Graphics3D plot as gif. But the plot shows jitter (You can see the yellow ball shows somewhat slight move around, which is expected to be still). How does this happen and how to get ...
9
votes
1answer
337 views

Is there a way to convert mathematica code to OpenMP or OpenACC?

I see that Mathematica has limited support for things like OpenCL and CUDA, but what about other standards like OpenMP or OpenACC?
0
votes
1answer
47 views

Writing a text to a file including af mixture of signs

I'm trying to write this to a file: j/?xml version="1.0" encoding="UTF-8"?> However, when using WriteString, the "-marks are not accepted. If I use Write, however, the "-marks are accepted, but ...
0
votes
1answer
251 views

Copy/export a plot as vector EMF

I want to generate a plot using Plot, copy it and paste to a Word/PowerPoint document as a vector EMF file in order to preserve best quality of an image. However I found out that if I Copy Graphic ...
1
vote
1answer
195 views

Exporting A4 size

I have a few tables and graphs that I want to export to a PDF file using Export[....,"PDF"], but I would like to be able to print this PDF-file and still be able to read it. So how can I control the ...
4
votes
1answer
84 views

Video encodings in Ubuntu

When exporting videos from Mathematica 10.0.2 on Ubuntu 12.04, I have one video codec to choose from: Internal`$VideoEncodings (* {"Uncompressed"} *) That means ...
0
votes
2answers
158 views

Exporting a table to Excel in CSV format

I am trying to create a table which when exported in a .csv format and opened in MS.Excel has the following form; ...
0
votes
1answer
73 views

Making a simple text log file

I have a model and want to export the run parameters to a log file. The idea is to get the following example into a decent text export: ...
-1
votes
1answer
77 views

ListLinePlot plots my table, but the table doesn't contain numerical values

I am trying to export a table of data to file, but the code does not appear to be returning numerical data even though ListLinePlot can plot it. Can you please ...
7
votes
1answer
215 views

Exporting pdf with a precise page dimension in metric units, rather than printer points

Mathematica uses a screen resolution of 72 dpi. For post-processing figures I use Corel, which conveniently allows me to use metric units (mm) for positioning and resizing figures. Say, I want to ...
3
votes
1answer
244 views

Export generated mesh

Say I have generated a mesh using ToElementMesh, following one of the examples here: http://reference.wolfram.com/language/FEMDocumentation/ref/ToElementMesh.html ...
85
votes
6answers
18k views

$\LaTeX$ and Mathematica

I quite often would like to draw graphics in my $\LaTeX$ documents using Mathematica. I have encountered three problems. I would like to know if there are any workarounds to these problems I would ...
10
votes
2answers
368 views

How to export Speak output?

I made a series of interval workouts based on Speak[], where the voice tells me when the intervals start, when they stop and how much time I have left to prepare. ...
0
votes
1answer
122 views

Animating a Large Graphic Aborts, but Dynamic Works Fine

I'm trying to animate a large Graphics output, and it is returning $Aborted. I'm confused because when I use Dynamic and Slider, the graphics output is exactly what I want, i.e., I can 'animate' the ...
2
votes
1answer
92 views

Export and Import a list of graphs?

I want to export a list of graphs that come as output to my program. However, I tried exporting all the graphs as graphs using Map and an Export statement with "graph.gml" statement, but got an error. ...
5
votes
0answers
286 views

Export to JSON format specifically for MongoDB

It is a nice thing that, if you have a data as a list of rules (even nested), Mathematica can export them in JSON format. After generating useful data in Mathematica, Therefore, it seems it ought to ...
1
vote
1answer
74 views

Export nested list with complex structure

I have a list that looks like this l = {elem1, elem2, ...} Where elem_={t, {d1,d2,d3} } How can I export it? I tried ...
0
votes
1answer
103 views

Huge eps file in Export with ListPlot and Filling

I'm trying to export and eps file from a plot which contains a ListPlot with Filling ...
-1
votes
1answer
84 views

Exporting Data file in .dat format [duplicate]

Here I'm solving two simultaneous to get different values of the roots depending upon another variable 'x'. I've written up to the following using 'Find Root' ...
33
votes
4answers
3k views

Saner alternative to ContourPlot fill

I am producing a large number of ContourPlot objects, which when exported generate notoriously large PDF files because it basically generates lots of little ...
26
votes
1answer
4k views

Autorotating 3D plots

These days, I have to produce quite a few 3D surface plots (mostly functions of the type $\rho(\theta,\phi)$ plotted with SphericalPlot3D). To exchange these ...
1
vote
1answer
72 views

BarLegend rasterized in EMF and EPS export

A while ago you guys gave me a splendid workaround to the rasterization bug in exported BarCharts. Now I noticed that the workaround is not working for BarLegends. My problem is, that ...
9
votes
2answers
583 views

Image of input and output cells is not exported correctly

Wolfram Blog uses PNG images to display input and output cells in a notebook. For example, the following is an image from Samuel Chen's post: I should be able to produce a similar image by ...
1
vote
1answer
107 views

PNG image is exported smaller size than imported

I upload a PNG file and then split it into its red, green and blue components. I then save these components. The original image is 1440 x 764 pixels, 2.21MB. But the 3 saved files are each 360x198 ...
1
vote
2answers
140 views

How to export many images within a For-loop [duplicate]

I'm trying to export a lot of files at one time with a For-loop. I'm using ToString so I can number the output files. It's not working. Does anyone know how to ...
2
votes
1answer
192 views

Export Multiple Arrays Into a Single Worksheet with Column Headers

I'm importing financial data into Mathematica, creating column headers for each array and exporting to Excel. The code below accomplishes most of this, but it creates a different worksheet for each ...
2
votes
1answer
89 views

Export a Pyramid to VRML format

How do you export a Pyramid to vrml format in Mathematica ? I have been trying to do this the following way ...
7
votes
1answer
526 views

Export to PDF on OS X, font missing on Windows

Here is another problem with Mathematica plots and PDF. I have Mathematica 9.0.1 on Mac OS X. I want to export my plots to PDF to include them in a LaTeX document. If I export the plot with the ...
5
votes
1answer
1k views

Mathematica EPS graphics and psfrag in $\LaTeX$

I used to to use MathPSFrag in Mathematica to export graphics to EPS for inclusion in $\LaTeX$ files. However, with recent versions of Mathematica this does not seem to work very well anymore, see ...
2
votes
1answer
390 views

Rasterized density plot with vector axes

I'm wondering if there is an easy way to get the plot below exported in a small pdf? The plot below is made in the following steps: step 1: Create a streamplot step 2: Create a densityplot, where ...
5
votes
2answers
790 views

Is there possibility of exporting mathematica code directly into $\LaTeX$?

I'm a very novice user of Mathematica - is there possibility of exporting Mathematica code directly into $\LaTeX$? I'm interested only in exporting mathematical formulas. Also, from which version of ...
2
votes
1answer
75 views
0
votes
0answers
67 views

How to export a PNG with an alpha channel? [duplicate]

Is "RGBA" not a supported colorspace? Export["test.png", RandomImage[1, {100, 100}], ColorSpace -> "RGBA"]