@@ -240,11 +240,8 @@ def draw(self, renderer):
240240self .line .draw (renderer )
241241
242242# Grid points where the planes meet
243- xyz0 = []
244- for tick in ticks :
245- coord = minmax .copy ()
246- coord [index ]= tick .get_loc ()
247- xyz0 .append (coord )
243+ xyz0 = np .tile (minmax , (len (ticks ),1 ))
244+ xyz0 [:,index ]= [tick .get_loc ()for tick in ticks ]
248245
249246# Draw labels
250247peparray = np .asanyarray (pep )
@@ -350,30 +347,25 @@ def draw(self, renderer):
350347self .offsetText .draw (renderer )
351348
352349# Draw grid lines
353- if len (xyz0 ) > 0 :
350+ if self . axes . _draw_grid and len (ticks ) :
354351# Grid points at end of one plane
355- xyz1 = copy . deepcopy ( xyz0 )
352+ xyz1 = xyz0 . copy ( )
356353newindex = (index + 1 )% 3
357354newval = get_flip_min_max (xyz1 [0 ],newindex ,mins ,maxs )
358- for i in range (len (ticks )):
359- xyz1 [i ][newindex ]= newval
355+ xyz1 [:,newindex ]= newval
360356
361357# Grid points at end of the other plane
362- xyz2 = copy . deepcopy ( xyz0 )
358+ xyz2 = xyz0 . copy ( )
363359newindex = (index + 2 )% 3
364360newval = get_flip_min_max (xyz2 [0 ],newindex ,mins ,maxs )
365- for i in range (len (ticks )):
366- xyz2 [i ][newindex ]= newval
367-
368- lines = list (zip (xyz1 ,xyz0 ,xyz2 ))
369- if self .axes ._draw_grid :
370- self .gridlines .set_segments (lines )
371- self .gridlines .set_color ([info ['grid' ]['color' ]]* len (lines ))
372- self .gridlines .set_linewidth (
373- [info ['grid' ]['linewidth' ]]* len (lines ))
374- self .gridlines .set_linestyle (
375- [info ['grid' ]['linestyle' ]]* len (lines ))
376- self .gridlines .draw (renderer ,project = True )
361+ xyz2 [:,newindex ]= newval
362+
363+ lines = np .stack ([xyz1 ,xyz0 ,xyz2 ],axis = 1 )
364+ self .gridlines .set_segments (lines )
365+ self .gridlines .set_color (info ['grid' ]['color' ])
366+ self .gridlines .set_linewidth (info ['grid' ]['linewidth' ])
367+ self .gridlines .set_linestyle (info ['grid' ]['linestyle' ])
368+ self .gridlines .draw (renderer ,project = True )
377369
378370# Draw ticks
379371tickdir = info ['tickdir' ]