@@ -272,7 +272,8 @@ class Slider(AxesWidget):
272272 """
273273 def __init__ (self , ax , label , valmin , valmax , valinit = 0.5 , valfmt = '%1.2f' ,
274274 closedmin = True , closedmax = True , slidermin = None ,
275- slidermax = None , dragging = True , valstep = None , orientation = 'h' , ** kwargs ):
275+ slidermax = None , dragging = True , valstep = None ,
276+ orientation = 'horizontal' , ** kwargs ):
276277 """
277278 Parameters
278279 ----------
@@ -314,8 +315,9 @@ def __init__(self, ax, label, valmin, valmax, valinit=0.5, valfmt='%1.2f',
314315 valstep : float, optional, default: None
315316 If given, the slider will snap to multiples of `valstep`.
316317
317- orientation : str, optional, default: 'h'
318- If 'h' the slider is horizontal. If 'v' it is vertical
318+ orientation : str, optional, default: 'horizontal'
319+ 'horizontal' : horizontal slider
320+ 'vertical' : vertical slider
319321
320322 Notes
321323 -----
@@ -332,8 +334,8 @@ def __init__(self, ax, label, valmin, valmax, valinit=0.5, valfmt='%1.2f',
332334 if slidermax is not None and not hasattr (slidermax , 'val' ):
333335 raise ValueError ("Argument slidermax ({}) has no 'val'"
334336 .format (type (slidermax )))
335- if orientation not in 'h ' , 'v ' ]:
336- raise ValueError ("Argument orientation ({}) must be either 'h ' or 'v '"
337+ if orientation not in 'horizontal ' , 'vertical ' ]:
338+ raise ValueError ("Argument orientation ({}) must be either 'horizontal ' or 'vertical '"
337339 .format (orientation ))
338340
339341 self .orientation = orientation
@@ -350,7 +352,7 @@ def __init__(self, ax, label, valmin, valmax, valinit=0.5, valfmt='%1.2f',
350352 valinit = valmin
351353 self .val = valinit
352354 self .valinit = valinit
353- if orientation is 'v ' :
355+ if orientation is 'vertical ' :
354356 self .poly = ax .axhspan (valmin , valinit , 0 , 1 , ** kwargs )
355357 self .hline = ax .axhline (valinit , 0 , 1 , color = 'r' , lw = 1 )
356358 else :
@@ -359,7 +361,7 @@ def __init__(self, ax, label, valmin, valmax, valinit=0.5, valfmt='%1.2f',
359361
360362 self .valfmt = valfmt
361363 ax .set_yticks ([])
362- if orientation is 'v ' :
364+ if orientation is 'vertical ' :
363365 ax .set_ylim ((valmin , valmax ))
364366 else :
365367 ax .set_xlim ((valmin , valmax ))
@@ -370,7 +372,7 @@ def __init__(self, ax, label, valmin, valmax, valinit=0.5, valfmt='%1.2f',
370372 self .connect_event ('button_release_event' , self ._update )
371373 if dragging :
372374 self .connect_event ('motion_notify_event' , self ._update )
373- if orientation is 'v ' :
375+ if orientation is 'vertical ' :
374376 self .label = ax .text (0.5 , 1.02 , label , transform = ax .transAxes ,
375377 verticalalignment = 'bottom' ,
376378 horizontalalignment = 'center' )
@@ -441,7 +443,7 @@ def _update(self, event):
441443 self .drag_active = False
442444 event .canvas .release_mouse (self .ax )
443445 return
444- if self .orientation is 'v ' :
446+ if self .orientation is 'vertical ' :
445447 val = self ._value_in_bounds (event .ydata )
446448 else :
447449 val = self ._value_in_bounds (event .xdata )
@@ -457,7 +459,7 @@ def set_val(self, val):
457459 val : float
458460 """
459461 xy = self .poly .xy
460- if self .orientation is 'v ' :
462+ if self .orientation is 'vertical ' :
461463 xy [1 ] = 0 , val
462464 xy [2 ] = 1 , val
463465 else :
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