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Refactor tree drawing.

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This commit is contained in:
Sergey Vartanov 2022-01-26 09:44:08 +03:00
parent 60836bf2f7
commit 710e3b0980
3 changed files with 37 additions and 36 deletions
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36
map_machine/figure.py
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@ -1,15 +1,11 @@
"""
Figures displayed on the map.
"""
from typing import Optional
import numpy as np
from colour import Color
from svgwrite import Drawing
from map_machine.geometry.flinger import Flinger
from map_machine.osm.osm_reader import OSMNode, Tagged
from map_machine.scheme import LineStyle, Scheme
from map_machine.scheme import LineStyle
__author__ = "Sergey Vartanov"
__email__ = "me@enzet.ru"
@ -67,36 +63,6 @@ class StyledFigure(Figure):
self.line_style: LineStyle = line_style
class Tree(Tagged):
"""Tree on the map."""
def __init__(
self, tags: dict[str, str], coordinates: np.ndarray, point: np.ndarray
) -> None:
super().__init__(tags)
self.coordinates: np.ndarray = coordinates
self.point: np.ndarray = point
def draw(self, svg: Drawing, flinger: Flinger, scheme: Scheme) -> None:
"""Draw crown and trunk."""
scale: float = flinger.get_scale(self.coordinates)
diameter_crown: Optional[float] = self.get_float("diameter_crown")
radius: float
if diameter_crown is not None:
radius = float(self.tags["diameter_crown"]) / 2.0
else:
radius = 2.0
color: Color = scheme.get_color("evergreen_color")
svg.add(svg.circle(self.point, radius * scale, fill=color, opacity=0.3))
circumference: Optional[float] = self.get_float("circumference")
if circumference is not None:
radius: float = circumference / 2.0 / np.pi
svg.add(svg.circle(self.point, radius * scale, fill="#B89A74"))
def is_clockwise(polygon: list[OSMNode]) -> bool:
"""
Return true if polygon nodes are in clockwise order.