def auto_bind_origin(self, expression, mark):
type = md.typeof(expression)
index = self.create_axis(type)
if index is not None:
mark["position"][index].bind(expression)
self.binding_changed(mark)
def auto_bind_mark(self, expression, mark):
type = md.typeof(expression)
if md.is_color_type(type):
self.bind_color(mark, expression)
return
if md.is_shape_type(type):
self.bind_shape(mark, expression)
return
if md.is_categorical(type) or md.is_numerical(type):
self.bind_color(mark, expression)
else:
self.bind_label(mark, expression)
def auto_bind(self, expression, mark):
type = expressions.typeof(expression)
position = as_position(expression)
size = expressions.typeof(position).size
for i in range(size):
item = position[i]
type = md.typeof(item)
index = self.create_axis(type)
if index is not None:
mark["position"][index].bind(item)
self.binding_changed(mark)
