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Line2D._path obeys drawstyle.#6497

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10 changes: 6 additions & 4 deletionslib/matplotlib/cbook.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -2403,12 +2403,14 @@ def pts_to_midstep(x, *args):
# convert 2D array back to tuple
return tuple(steps)

STEP_LOOKUP_MAP = {'pre': pts_to_prestep,
STEP_LOOKUP_MAP = {'default': lambda x, y: (x, y),
'pre': pts_to_prestep,
'post': pts_to_poststep,
'mid': pts_to_midstep,
'step-pre': pts_to_prestep,
'step-post': pts_to_poststep,
'step-mid': pts_to_midstep}
'steps': pts_to_prestep,
'steps-pre': pts_to_prestep,
'steps-post': pts_to_poststep,
'steps-mid': pts_to_midstep}


def index_of(y):
Expand Down
45 changes: 6 additions & 39 deletionslib/matplotlib/lines.py
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Original file line numberDiff line numberDiff line change
Expand Up@@ -17,7 +17,7 @@
from . import artist, colors as mcolors
from .artist import Artist
from .cbook import (iterable, is_string_like, is_numlike, ls_mapper_r,
pts_to_prestep, pts_to_poststep, pts_to_midstep)
STEP_LOOKUP_MAP)

from .path import Path
from .transforms import Bbox, TransformedPath, IdentityTransform
Expand DownExpand Up@@ -237,6 +237,7 @@ class Line2D(Artist):
'steps': '_draw_steps_pre',
}

# drawStyles should now be deprecated.
drawStyles = {}
drawStyles.update(_drawStyles_l)
drawStyles.update(_drawStyles_s)
Expand DownExpand Up@@ -470,8 +471,7 @@ def contains(self, mouseevent):
# application has set the error flags such that an exception is raised
# on overflow, we temporarily set the appropriate error flags here and
# set them back when we are finished.
olderrflags = np.seterr(all='ignore')
try:
with np.errstate(all='ignore'):
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This is a pre-1.6 addition to numpy correct? (we are testing 1.6 with py2.7 on travis so this should be fine, but just being mildly paranoid)

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@anntzeranntzerMay 29, 2016•
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Yes.

$ git blame numpy/core/numeric.py | grep 'class errstate'cf3eb93b numpy/core/numeric.py (Travis Oliphant       2006-10-11 23:52:53 +0000 2929) class errstate(object):

# Check for collision
if self._linestyle in ['None', None]:
# If no line, return the nearby point(s)
Expand All@@ -480,20 +480,9 @@ def contains(self, mouseevent):
else:
# If line, return the nearby segment(s)
ind = segment_hits(mouseevent.x, mouseevent.y, xt, yt, pixels)
finally:
np.seterr(**olderrflags)

ind += self.ind_offset

# Debugging message
if False and self._label != '':
print("Checking line", self._label,
"at", mouseevent.x, mouseevent.y)
print('xt', xt)
print('yt', yt)
#print 'dx,dy', (xt-mouseevent.x)**2., (yt-mouseevent.y)**2.
print('ind', ind)

# Return the point(s) within radius
return len(ind) > 0, dict(ind=ind)

Expand DownExpand Up@@ -691,7 +680,8 @@ def recache(self, always=False):
interpolation_steps = self._path._interpolation_steps
else:
interpolation_steps = 1
self._path = Path(self._xy, None, interpolation_steps)
xy = STEP_LOOKUP_MAP[self._drawstyle](*self._xy.T)
self._path = Path(np.asarray(xy).T, None, interpolation_steps)
self._transformed_path = None
self._invalidx = False
self._invalidy = False
Expand DownExpand Up@@ -764,8 +754,6 @@ def draw(self, renderer):
tpath, affine = transf_path.get_transformed_path_and_affine()
if len(tpath.vertices):
self._lineFunc = getattr(self, funcname)
funcname = self.drawStyles.get(self._drawstyle, '_draw_lines')
drawFunc = getattr(self, funcname)
gc = renderer.new_gc()
self._set_gc_clip(gc)

Expand All@@ -788,7 +776,7 @@ def draw(self, renderer):
if self.get_sketch_params() is not None:
gc.set_sketch_params(*self.get_sketch_params())

drawFunc(renderer, gc, tpath, affine.frozen())
self._draw_lines(renderer, gc, tpath, affine.frozen())
gc.restore()

if self._marker and self._markersize > 0:
Expand DownExpand Up@@ -1234,27 +1222,6 @@ def set_dashes(self, seq):
def _draw_lines(self, renderer, gc, path, trans):
self._lineFunc(renderer, gc, path, trans)

def _draw_steps_pre(self, renderer, gc, path, trans):
steps = np.vstack(pts_to_prestep(*self._xy.T)).T

path = Path(steps)
path = path.transformed(self.get_transform())
self._lineFunc(renderer, gc, path, IdentityTransform())

def _draw_steps_post(self, renderer, gc, path, trans):
steps = np.vstack(pts_to_poststep(*self._xy.T)).T

path = Path(steps)
path = path.transformed(self.get_transform())
self._lineFunc(renderer, gc, path, IdentityTransform())

def _draw_steps_mid(self, renderer, gc, path, trans):
steps = np.vstack(pts_to_midstep(*self._xy.T)).T

path = Path(steps)
path = path.transformed(self.get_transform())
self._lineFunc(renderer, gc, path, IdentityTransform())

def _draw_solid(self, renderer, gc, path, trans):
gc.set_linestyle('solid')
renderer.draw_path(gc, path, trans)
Expand Down
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