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Issue #23: fix building height and shade.

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This commit is contained in:
Sergey Vartanov 2020-09-23 02:36:30 +03:00
parent 2fccc9cf67
commit 2ffac6f98b
3 changed files with 20 additions and 12 deletions
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6
data/tags.yml
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@ -1089,9 +1089,9 @@ ways:
- tags: {"area:highway": "*"}
- tags: {boundary: "*"}
stroke: boundary_color
stroke-width: 0.3
stroke-dasharray: 10,5
# stroke: boundary_color
# stroke-width: 0.3
# stroke-dasharray: 10,5
priority: 60
tags_to_write: [

10
roentgen/flinger.py
View file

@ -3,6 +3,8 @@ Author: Sergey Vartanov (me@enzet.ru)
Geo projection.
"""
from typing import Optional
import numpy as np
from roentgen.util import MinMax
@ -66,11 +68,15 @@ class Flinger:
return result
def get_scale(self, coordinates: np.array) -> float:
def get_scale(self, coordinates: Optional[np.array] = None) -> float:
"""
Return pixels per meter ratio for the given geo coordinates.
:param coordinates: geo coordinates
"""
scale_factor = 1 / np.cos(coordinates[0] / 180 * np.pi)
if coordinates is None:
# Get pixels per meter ratio for the center of the boundary box.
coordinates = self.geo_boundaries.center()
scale_factor: float = 1 / np.cos(coordinates[0] / 180 * np.pi)
return self.pixels_per_meter * scale_factor

16
roentgen/mapper.py
View file

@ -240,9 +240,10 @@ class Painter:
self.svg.add(p)
ui.progress_bar(-1, 0, text="Drawing ways")
# Building shade
# Draw building shade.
building_shade = Group(opacity=0.1)
building_shade: Group = Group(opacity=0.1)
length: float = self.flinger.get_scale()
for way in constructor.buildings: # type: Building
shift = [2 * way.get_levels(), 0 * way.get_levels()]
@ -257,9 +258,10 @@ class Painter:
self.svg.add(building_shade)
previous_level: float = 0
# Draw buildings.
height = 1
previous_level: float = 0
height: float = self.flinger.get_scale()
for level in sorted(constructor.levels):
fill: Color()
@ -274,8 +276,8 @@ class Painter:
elif level == 1:
fill = Color("#C3C3C3")
else:
a = 0.8 + segment.angle * 0.2
fill = Color(rgb=(a, a, a))
color_part: float = 0.8 + segment.angle * 0.2
fill = Color(rgb=(color_part, color_part, color_part))
self.svg.add(self.svg.path(
d=("M", np.add(segment.point_1, shift_1), "L",
@ -286,7 +288,7 @@ class Painter:
fill=fill.hex, stroke=fill.hex, stroke_width=1,
stroke_linejoin="round"))
# Draw roof.
# Draw building roof.
if way.get_levels() == level:
shift = np.array([0, -way.get_levels() * height])