Andy
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setup.py
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setup.py
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@ -3,7 +3,7 @@ import codecs
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import os
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VERSION = '1.3.2beta'
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VERSION = '1.3.2'
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AUTHOR_NAME = 'Andy Port'
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AUTHOR_EMAIL = 'AndyAPort@gmail.com'
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@ -1,13 +1,15 @@
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Metadata-Version: 1.1
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Name: svgpathtools
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Version: 1.3.1
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Version: 1.3.2
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Summary: A collection of tools for manipulating and analyzing SVG Path objects and Bezier curves.
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Home-page: https://github.com/mathandy/svgpathtools
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Author: Andy Port
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Author-email: AndyAPort@gmail.com
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License: MIT
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Download-URL: http://github.com/mathandy/svgpathtools/tarball/1.3.1
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Description: svgpathtools
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Download-URL: http://github.com/mathandy/svgpathtools/tarball/1.3.2
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Description-Content-Type: UNKNOWN
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Description:
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svgpathtools
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============
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svgpathtools is a collection of tools for manipulating and analyzing SVG
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@ -46,11 +48,6 @@ Description: svgpathtools
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- compute **inverse arc length**
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- convert RGB color tuples to hexadecimal color strings and back
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Note on Python 3
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----------------
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While I am hopeful that this package entirely works with Python 3, it was born from a larger project coded in Python 2 and has not been thoroughly tested in
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Python 3. Please let me know if you find any incompatibilities.
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Prerequisites
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-------------
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@ -94,8 +91,6 @@ Description: svgpathtools
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module <https://github.com/regebro/svg.path>`__. Interested svg.path
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users should see the compatibility notes at bottom of this readme.
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Also, a big thanks to the author(s) of `A Primer on Bézier Curves <http://pomax.github.io/bezierinfo/>`_, an outstanding resource for learning about Bézier curves and Bézier curve-related algorithms.
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Basic Usage
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-----------
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@ -126,11 +121,11 @@ Description: svgpathtools
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on discontinuous Path objects. A simple workaround is provided, however,
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by the ``Path.continuous_subpaths()`` method. `↩ <#a1>`__
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.. code:: python
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.. code:: ipython2
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from __future__ import division, print_function
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.. code:: python
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.. code:: ipython2
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# Coordinates are given as points in the complex plane
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from svgpathtools import Path, Line, QuadraticBezier, CubicBezier, Arc
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@ -167,7 +162,7 @@ Description: svgpathtools
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list. So segments can **append**\ ed, **insert**\ ed, set by index,
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**del**\ eted, **enumerate**\ d, **slice**\ d out, etc.
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.. code:: python
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.. code:: ipython2
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# Let's append another to the end of it
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path.append(CubicBezier(250+350j, 275+350j, 250+225j, 200+100j))
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@ -234,7 +229,7 @@ Description: svgpathtools
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| Note: Line, Polyline, Polygon, and Path SVG elements can all be
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converted to Path objects using this function.
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.. code:: python
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.. code:: ipython2
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# Read SVG into a list of path objects and list of dictionaries of attributes
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from svgpathtools import svg2paths, wsvg
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@ -271,7 +266,7 @@ Description: svgpathtools
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automatically attempt to open the created svg file in your default SVG
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viewer.
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.. code:: python
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.. code:: ipython2
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# Let's make a new SVG that's identical to the first
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wsvg(paths, attributes=attributes, svg_attributes=svg_attributes, filename='output1.svg')
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@ -303,7 +298,7 @@ Description: svgpathtools
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that ``path.point(T)=path[k].point(t)``.
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| There is also a ``Path.t2T()`` method to solve the inverse problem.
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.. code:: python
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.. code:: ipython2
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# Example:
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@ -333,11 +328,11 @@ Description: svgpathtools
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True
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Tangent vectors and Bezier curves as numpy polynomial objects
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Bezier curves as NumPy polynomial objects
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| Another great way to work with the parameterizations for Line,
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QuadraticBezier, and CubicBezier objects is to convert them to
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| Another great way to work with the parameterizations for ``Line``,
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``QuadraticBezier``, and ``CubicBezier`` objects is to convert them to
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``numpy.poly1d`` objects. This is done easily using the
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``Line.poly()``, ``QuadraticBezier.poly()`` and ``CubicBezier.poly()``
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methods.
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@ -369,9 +364,10 @@ Description: svgpathtools
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\end{bmatrix}
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\begin{bmatrix}P_0\\P_1\\P_2\\P_3\end{bmatrix}
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QuadraticBezier.poly() and Line.poly() are defined similarly.
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``QuadraticBezier.poly()`` and ``Line.poly()`` are `defined
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similarly <https://en.wikipedia.org/wiki/B%C3%A9zier_curve#General_definition>`__.
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.. code:: python
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.. code:: ipython2
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# Example:
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b = CubicBezier(300+100j, 100+100j, 200+200j, 200+300j)
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@ -401,15 +397,25 @@ Description: svgpathtools
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(-400 + -100j) t + (900 + 300j) t - 600 t + (300 + 100j)
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To illustrate the awesomeness of being able to convert our Bezier curve
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objects to numpy.poly1d objects and back, lets compute the unit tangent
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vector of the above CubicBezier object, b, at t=0.5 in four different
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ways.
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The ability to convert between Bezier objects to NumPy polynomial
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objects is very useful. For starters, we can take turn a list of Bézier
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segments into a NumPy array
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Tangent vectors (and more on polynomials)
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Numpy Array operations on Bézier path segments
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code:: python
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`Example available
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here <https://github.com/mathandy/svgpathtools/blob/master/examples/compute-many-points-quickly-using-numpy-arrays.py>`__
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To further illustrate the power of being able to convert our Bezier
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curve objects to numpy.poly1d objects and back, lets compute the unit
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tangent vector of the above CubicBezier object, b, at t=0.5 in four
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different ways.
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Tangent vectors (and more on NumPy polynomials)
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code:: ipython2
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t = 0.5
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### Method 1: the easy way
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@ -451,7 +457,7 @@ Description: svgpathtools
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Translations (shifts), reversing orientation, and normal vectors
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code:: python
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.. code:: ipython2
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# Speaking of tangents, let's add a normal vector to the picture
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n = b.normal(t)
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@ -481,7 +487,7 @@ Description: svgpathtools
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Rotations and Translations
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code:: python
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.. code:: ipython2
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# Let's take a Line and an Arc and make some pictures
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top_half = Arc(start=-1, radius=1+2j, rotation=0, large_arc=1, sweep=1, end=1)
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@ -514,7 +520,7 @@ Description: svgpathtools
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``CubicBezier.length()``, and ``Arc.length()`` methods, as well as the
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related inverse arc length methods ``.ilength()`` function to do this.
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.. code:: python
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.. code:: ipython2
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# First we'll load the path data from the file test.svg
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paths, attributes = svg2paths('test.svg')
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@ -556,7 +562,7 @@ Description: svgpathtools
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Intersections between Bezier curves
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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.. code:: python
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.. code:: ipython2
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# Let's find all intersections between redpath and the other
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redpath = paths[0]
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@ -580,7 +586,7 @@ Description: svgpathtools
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Here we'll find the `offset
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curve <https://en.wikipedia.org/wiki/Parallel_curve>`__ for a few paths.
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.. code:: python
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.. code:: ipython2
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from svgpathtools import parse_path, Line, Path, wsvg
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def offset_curve(path, offset_distance, steps=1000):
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@ -638,6 +644,7 @@ Description: svgpathtools
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This module is under a MIT License.
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Keywords: svg,svg path,svg.path,bezier,parse svg path,display svg
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Platform: OS Independent
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Classifier: Development Status :: 4 - Beta
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@ -15,23 +15,26 @@ test.svg
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vectorframes.svg
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svgpathtools/__init__.py
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svgpathtools/bezier.py
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svgpathtools/directional_field.py
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svgpathtools/misctools.py
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svgpathtools/parser.py
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svgpathtools/path.py
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svgpathtools/paths2svg.py
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svgpathtools/pathtools.py
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svgpathtools/polytools.py
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svgpathtools/smoothing.py
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svgpathtools/svg2paths.py
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svgpathtools.egg-info/PKG-INFO
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svgpathtools.egg-info/SOURCES.txt
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svgpathtools.egg-info/dependency_links.txt
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svgpathtools.egg-info/requires.txt
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svgpathtools.egg-info/top_level.txt
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test/circle.svg
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test/ellipse.svg
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test/polygons.svg
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test/rects.svg
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test/test.svg
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test/test_bezier.py
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test/test_generation.py
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test/test_parsing.py
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test/test_path.py
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test/test_pathtools.py
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test/test_polytools.py
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test/test_polytools.py
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test/test_svg2paths.py
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@ -0,0 +1,2 @@
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numpy
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svgwrite
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