Yes, I just noticed that as well. That's how the tikz pgf code looks (a
sequence of line_to and curve_to commands and so on) so it should be easy
to port over the various shapes.
On Wed, May 13, 2015 at 4:49 PM, Eric Firing <[email protected]> wrote:
> On 2015/05/13 10:12 AM, Neil Girdhar wrote:
>
>> If you want to make arrowheads look at all decent, they really need to
>> be enclosed in Bezier curves. See the diagram here:
>>
>
> Mpl paths support Bezier curves.
> http://matplotlib.org/api/path_api.html?highlight=bezier
>
>
>>
>> http://tex.stackexchange.com/questions/150289/how-do-you-accomplish-stealth-with-the-new-arrows-meta/230965#230965
>>
>> The first two look like garbage. The last one is the only one that
>> looks good imho.
>>
>
> That depends on the application, and the observer.
Sure, but I may as well port them all of the tikz arrowheads over since
most of the work would be figuring out how to do it.
>
>
> Eric
>
>
>> Best,
>>
>> Neil
>>
>> On Wed, May 13, 2015 at 4:09 PM, Eric Firing <[email protected]
>> <mailto:[email protected]>> wrote:
>>
>> On 2015/05/13 9:36 AM, Neil Girdhar wrote:
>>
>> I don't know matplotlib well enough (yet) to know what the
>> change would
>> consist of.
>>
>> I suggest you take a look at the beautiful tikz manual:
>> http://pgf.sourceforge.net/pgf_CVS.pdf
>>
>>
>> Very helpful, thank you.
>>
>>
>> The arrows.meta on page 201–212 are really well-designed and
>> beautiful.
>>
>> Compare this with matplotlib's custom arrows:
>>
>> http://stackoverflow.com/questions/16968007/custom-arrow-style-for-matplotlib-pyplot-annotate
>>
>> How do I make tikz's arrowheads available for all backends?
>>
>>
>> My guess offhand is that this is a matter of using the mpl API. I
>> don't think we would want to add all of these types and options to
>> the mpl core; but a toolkit might be ideal for this. The mpl API,
>> which generates the same results for all backends, is quite complete
>> and flexible. Things like arrowheads are Patch objects, and you can
>> specify any path you want. The main trick is figuring out how to
>> handle transforms--what kind of coordinates should the path be
>> specifying? How should things scale as a figure is reshaped and
>> resized?
>>
>> For many of these types you could also use mpl Line2D objects, for
>> which several properties including cap style can be specified. Not
>> all of the TikZ options would be available, but perhaps enough.
>>
>> Eric
>>
>>
>>
>
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