Fixes #198

descartes/patch.py

@@ -1,66 +0,0 @@
-"""Paths and patches"""
-
-from matplotlib.patches import PathPatch
-from matplotlib.path import Path
-from numpy import asarray, concatenate, ones
-
-
-class Polygon(object):
-    # Adapt Shapely or GeoJSON/geo_interface polygons to a common interface
-    def __init__(self, context):
-        if hasattr(context, 'interiors'):
-            self.context = context
-        else:
-            self.context = getattr(context, '__geo_interface__', context)
-    @property
-    def geom_type(self):
-        return (getattr(self.context, 'geom_type', None)
-                or self.context['type'])
-    @property
-    def exterior(self):
-        return (getattr(self.context, 'exterior', None) 
-                or self.context['coordinates'][0])
-    @property
-    def interiors(self):
-        value = getattr(self.context, 'interiors', None)
-        if value is None:
-            value = self.context['coordinates'][1:]
-        return value
-
-
-def PolygonPath(polygon):
-    """Constructs a compound matplotlib path from a Shapely or GeoJSON-like
-    geometric object"""
-    this = Polygon(polygon)
-    assert this.geom_type == 'Polygon'
-    def coding(ob):
-        # The codes will be all "LINETO" commands, except for "MOVETO"s at the
-        # beginning of each subpath
-        n = len(getattr(ob, 'coords', None) or ob)
-        vals = ones(n, dtype=Path.code_type) * Path.LINETO
-        vals[0] = Path.MOVETO
-        return vals
-    vertices = concatenate(
-                    [asarray(this.exterior)] 
-                    + [asarray(r) for r in this.interiors])
-    codes = concatenate(
-                [coding(this.exterior)] 
-                + [coding(r) for r in this.interiors])
-    return Path(vertices, codes)
-
-
-def PolygonPatch(polygon, **kwargs):
-    """Constructs a matplotlib patch from a geometric object
-    
-    The `polygon` may be a Shapely or GeoJSON-like object with or without holes.
-    The `kwargs` are those supported by the matplotlib.patches.Polygon class
-    constructor. Returns an instance of matplotlib.patches.PathPatch.
-
-    Example (using Shapely Point and a matplotlib axes):
-
-      >>> b = Point(0, 0).buffer(1.0)
-      >>> patch = PolygonPatch(b, fc='blue', ec='blue', alpha=0.5)
-      >>> axis.add_patch(patch)
-
-    """
-    return PathPatch(PolygonPath(polygon), **kwargs)