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I'm looking for a library with Python bindings that can do calculations on SVG paths, such as calculating the length, and finding the coordinates of a point on the paths (ie, say the coordinates of the point 24.4% the length of the path).
Is there something around already?
A C-library would be acceptable as well, as I can easily make my own Python bindings.
OK, so I wrote it, and released it as a library.
http://pypi.python.org/pypi/svg.path
Try 'Inkscape' (IMO the best SVG editor out there), looking at their source code, and see how they do it - and possibly you can reuse their libraries (they have a embedded Python scripting engine too) without much rework.
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I need to import this python project to Unity3d. How can i do that? Based on my search, i see that there are plugins like this. However, i need to perform this tasks without using any plugin? How should i do that, i am experienced in Unity but i have no python experience? Can i get .dlls from python project so that i can use the .dlls in Unity. Or should i do something else?
If someone lead me, i'd appereciate.
I'm not sure if you can. I know that's not what you're looking for, and don't let me discourage you, but start looking for another answer. I've been trying for a while now, and even with plugins the best I could do cost about $40, and that guy spent about a year working on it. Maybe try manually converting it to C#?
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I recently started working in a lab that generate a lot of data. I need to manipulate files very often for various needs. I have learnt awk programming but it seems not enough for my work. I know python but not to that extent where I can comfortably work on files. Could anyone please suggest to me any book or online tutorial where I can find exclusively the use of Python on files. most of the python books do not dwell intensively on this subject.
thanks
You can find these materials are helpful:
http://www.diveintopython.net/file_handling/file_objects.html
http://opentechschool.github.io/python-data-intro/core/text-files.html
For data manipulation, you may need to improve your skills in string processing, regular expression operations, data structures,....
You can attend this course:
https://www.edx.org/course/introduction-python-data-science-microsoft-dat208x-0
I would recommend familiarizing yourself with the os and sys standard libraries. Here is a comprehensive tutorial that covers both libraries and other necessary aspects of file management in Python.
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I would like to know whether there is something equivalent to R-markdown in Python which can help me do reproducible research.
Please note: I'm not interested in IPython Notebooks as an answer.
I want to have the syntactic joy of r-markdown with code in python. I know that one can supply engine="python" in r-markdown and get going but the problem comes when you want to include plots produced using matplotlib in the reproducible doc by simply writing plt.show() where plt is alias to matplotlib.pyplot.
Do you know about any such modules / tools in python which can help me achieve this? I want to use such tools with Spyder / IntelliJ.
I would also like the option similar to echo=FALSE to be present in such a tool.
If no such project exists, then do you guys know about someone / some organization who are working on such a thing.
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I am teaching art students the basics of Python and it would be very convenient to add some graphics (drawings, pictures, etc.) in the comments within the code instead of "just" code and text comments.
I have seen some friends using Mathematica and exchanging beautiful files that include graphics, comments, pictures, etc.
Does such a thing exists for Python?
Have you looked at the iPython-Notebook? It allows you to write/run code and use html for notes. If you know html it will be easy to add graphics in too. Not sure if that exactly answers your problem, but it is definitely a nice tool
Link: http://ipython.org/notebook.html
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I've taken to creative coding on my iPad and iPhone using Codea, Procoding, and Pythonista. I really love the paper.js Javascript library, and I'm wondering how I might have the functionality that I find in paper.js when writing in Python.
Specifically, I'd love to have the vector math and path manipulation that paper.js affords. Things like finding the intersection of two paths or binding events to paths (on click, mouse move, etc).
There's an ImagePath module provided by Pythonista that does some path stuff but it's not as robust as paper.js (it seems).
Any ideas?
The ui module actually includes a lot of vector drawing functions, inside a ui.ImageContext. ui.ImageContext is a thin wrapper around part of one of the Objective-C APIs (maybe CALayer?) The drawing methods are designed to operate inside the draw method of a custom view class, but you can present these things in other contexts using a UIImageContext, from which you can get a static image.