def __call_internal__(self, *args, **kwargs):
""" Override the call to be able to scale automatically the axis.
"""
g = Pipeline.__call_internal__(self, *args, **kwargs)
gs = g.glyph.glyph_source
# Use a cube source for glyphs.
if not "mode" in kwargs:
gs.glyph_source = gs.glyph_dict["cube_source"]
# Position the glyph tail on the point.
gs.glyph_position = "tail"
gs.glyph_source.center = (0.0, 0.0, 0.5)
g.glyph.glyph.orient = False
if not "color" in kwargs:
g.glyph.color_mode = "color_by_scalar"
if not "scale_mode" in kwargs:
g.glyph.scale_mode = "scale_by_vector_components"
g.glyph.glyph.clamping = False
# The auto-scaling code. It involves finding the minimum
# distance between points, which can be very expensive. We
# shortcut this calculation for structured data
if len(args) == 1 or self.auto_scale:
min_axis_distance = 1
else:
x, y, z = g.mlab_source.x, g.mlab_source.y, g.mlab_source.z
min_axis_distance = tools._min_axis_distance(x, y, z)
scale_factor = g.glyph.glyph.scale_factor * min_axis_distance
lateral_scale = kwargs.pop("lateral_scale", self.lateral_scale)
try:
g.glyph.glyph_source.glyph_source.y_length = lateral_scale / (scale_factor)
g.glyph.glyph_source.glyph_source.x_length = lateral_scale / (scale_factor)
except TraitError:
" Not all types of glyphs have controlable y_length and x_length"
return g
def __call_internal__(self, *args, **kwargs):
""" Override the call to be able to scale automatically the axis.
"""
g = Pipeline.__call_internal__(self, *args, **kwargs)
gs = g.glyph.glyph_source
# Use a cube source for glyphs.
if not 'mode' in kwargs:
gs.glyph_source = gs.glyph_dict['cube_source']
# Position the glyph tail on the point.
gs.glyph_position = 'tail'
gs.glyph_source.center = (0.0, 0.0, 0.5)
g.glyph.glyph.orient = False
if not 'color' in kwargs:
g.glyph.color_mode = 'color_by_scalar'
if not 'scale_mode' in kwargs:
g.glyph.scale_mode = 'scale_by_vector_components'
g.glyph.glyph.clamping = False
# The auto-scaling code. It involves finding the minimum
# distance between points, which can be very expensive. We
# shortcut this calculation for structured data
if len(args) == 1 or self.auto_scale:
min_axis_distance = 1
else:
x, y, z = g.mlab_source.x, g.mlab_source.y, g.mlab_source.z
min_axis_distance = \
tools._min_axis_distance(x, y, z)
scale_factor = g.glyph.glyph.scale_factor * min_axis_distance
lateral_scale = kwargs.pop('lateral_scale', self.lateral_scale)
try:
g.glyph.glyph_source.glyph_source.y_length = \
lateral_scale/(scale_factor)
g.glyph.glyph_source.glyph_source.x_length = \
lateral_scale/(scale_factor)
except TraitError:
" Not all types of glyphs have controlable y_length and x_length"
return g