Source code for bokeh.models.arrow_heads
''' Models for various kinds of arrow heads that can be added to
Arrow annotations.
'''
from __future__ import absolute_import
from ..core.has_props import abstract
from ..core.properties import Float, Include, Override
from ..core.property_mixins import FillProps, LineProps
from .annotations import Annotation
[docs]@abstract
class ArrowHead(Annotation):
''' Base class for arrow heads.
'''
[docs]class OpenHead(ArrowHead):
''' Render an open-body arrow head.
'''
size = Float(default=25, help="""
The size, in pixels, of the arrow head.
""")
line_props = Include(LineProps, use_prefix=False, help="""
The %s values for the arrow head outline.
""")
[docs]class NormalHead(ArrowHead):
''' Render a closed-body arrow head.
'''
size = Float(default=25, help="""
The size, in pixels, of the arrow head.
""")
line_props = Include(LineProps, use_prefix=False, help="""
The %s values for the arrow head outline.
""")
fill_props = Include(FillProps, use_prefix=False, help="""
The %s values for the arrow head interior.
""")
fill_color = Override(default="black")
[docs]class TeeHead(ArrowHead):
''' Render a tee-style arrow head.
'''
size = Float(default=25, help="""
The size, in pixels, of the arrow head.
""")
line_props = Include(LineProps, use_prefix=False, help="""
The %s values for the arrow head outline.
""")
[docs]class VeeHead(ArrowHead):
''' Render a vee-style arrow head.
'''
size = Float(default=25, help="""
The size, in pixels, of the arrow head.
""")
line_props = Include(LineProps, use_prefix=False, help="""
The %s values for the arrow head outline.
""")
fill_props = Include(FillProps, use_prefix=False, help="""
The %s values for the arrow head interior.
""")
fill_color = Override(default="black")