mirror of
https://github.com/enzet/map-machine.git
synced 2025-06-01 10:21:54 +02:00
239 lines
7.9 KiB
Python
239 lines
7.9 KiB
Python
"""
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Simple OpenStreetMap renderer.
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"""
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from typing import Any, Iterator
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import numpy as np
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import svgwrite
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from colour import Color
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from svgwrite.container import Group
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from svgwrite.path import Path
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from svgwrite.shapes import Rect
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from roentgen import ui
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from roentgen.constructor import Constructor
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from roentgen.figure import Road
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from roentgen.flinger import Flinger
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from roentgen.osm_reader import OSMNode
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from roentgen.point import Occupied
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from roentgen.road import Intersection, RoadPart
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from roentgen.scheme import Scheme
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from roentgen.ui import AUTHOR_MODE, TIME_MODE
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__author__ = "Sergey Vartanov"
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__email__ = "me@enzet.ru"
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class Map:
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"""
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Map drawing.
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"""
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def __init__(
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self,
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flinger: Flinger,
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svg: svgwrite.Drawing,
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scheme: Scheme,
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overlap: int = 12,
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mode: str = "normal",
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label_mode: str = "main",
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) -> None:
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self.overlap: int = overlap
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self.mode: str = mode
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self.label_mode: str = label_mode
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self.flinger: Flinger = flinger
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self.svg: svgwrite.Drawing = svg
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self.scheme: Scheme = scheme
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self.background_color: Color = self.scheme.get_color("background_color")
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if self.mode in [AUTHOR_MODE, TIME_MODE]:
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self.background_color: Color = Color("#111111")
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def draw(self, constructor: Constructor) -> None:
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"""Draw map."""
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self.svg.add(
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Rect((0, 0), self.flinger.size, fill=self.background_color)
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)
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ways = sorted(constructor.figures, key=lambda x: x.line_style.priority)
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ways_length: int = len(ways)
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for index, way in enumerate(ways):
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ui.progress_bar(index, ways_length, step=10, text="Drawing ways")
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path_commands: str = way.get_path(self.flinger)
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if path_commands:
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path = Path(d=path_commands)
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path.update(way.line_style.style)
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self.svg.add(path)
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ui.progress_bar(-1, 0, text="Drawing ways")
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roads: Iterator[Road] = sorted(
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constructor.roads, key=lambda x: x.matcher.priority
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)
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for road in roads:
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self.draw_road(road, road.matcher.border_color, 2)
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for road in roads:
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self.draw_road(road, road.matcher.color)
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for tree in constructor.trees:
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tree.draw(self.svg, self.flinger, self.scheme)
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for direction_sector in constructor.direction_sectors:
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direction_sector.draw(self.svg, self.scheme)
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self.draw_buildings(constructor)
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# All other points
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if self.overlap == 0:
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occupied = None
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else:
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occupied = Occupied(
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self.flinger.size[0], self.flinger.size[1], self.overlap
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)
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nodes = sorted(constructor.points, key=lambda x: -x.priority)
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steps: int = len(nodes)
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for index, node in enumerate(nodes):
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ui.progress_bar(
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index, steps * 3, step=10, text="Drawing main icons"
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)
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node.draw_main_shapes(self.svg, occupied)
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for index, point in enumerate(nodes):
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ui.progress_bar(
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steps + index, steps * 3, step=10, text="Drawing extra icons"
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)
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point.draw_extra_shapes(self.svg, occupied)
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for index, point in enumerate(nodes):
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ui.progress_bar(
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steps * 2 + index, steps * 3, step=10, text="Drawing texts"
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)
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if (
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self.mode not in [TIME_MODE, AUTHOR_MODE]
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and self.label_mode != "no"
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):
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point.draw_texts(self.svg, occupied, self.label_mode)
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ui.progress_bar(-1, len(nodes), step=10, text="Drawing nodes")
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def draw_buildings(self, constructor: Constructor) -> None:
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"""Draw buildings: shade, walls, and roof."""
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building_shade: Group = Group(opacity=0.1)
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scale: float = self.flinger.get_scale() / 3.0
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for building in constructor.buildings:
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building.draw_shade(building_shade, self.flinger)
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self.svg.add(building_shade)
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previous_height: float = 0
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count: int = len(constructor.heights)
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for index, height in enumerate(sorted(constructor.heights)):
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ui.progress_bar(index, count, step=1, text="Drawing buildings")
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fill: Color()
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for building in constructor.buildings:
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if building.height < height or building.min_height > height:
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continue
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building.draw_walls(self.svg, height, previous_height, scale)
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for building in constructor.buildings:
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if building.height == height:
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building.draw_roof(self.svg, self.flinger, scale)
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previous_height = height
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ui.progress_bar(-1, count, step=1, text="Drawing buildings")
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def draw_road(
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self, road: Road, color: Color, extra_width: float = 0
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) -> None:
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"""
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Draw road as simple SVG path.
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"""
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self.flinger.get_scale()
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if road.width is not None:
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width = road.width
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else:
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width = road.matcher.default_width
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scale = self.flinger.get_scale(road.outers[0][0].coordinates)
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path_commands: str = road.get_path(self.flinger)
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path = Path(d=path_commands)
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style: dict[str, Any] = {
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"fill": "none",
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"stroke": color.hex,
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"stroke-linecap": "round",
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"stroke-linejoin": "round",
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"stroke-width": scale * width + extra_width,
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}
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path.update(style)
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self.svg.add(path)
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def draw_roads(self, roads: Iterator[Road]) -> None:
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"""
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Draw road as simple SVG path.
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"""
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nodes: dict[OSMNode, set[RoadPart]] = {}
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for road in roads:
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for index in range(len(road.outers[0]) - 1):
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node_1: OSMNode = road.outers[0][index]
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node_2: OSMNode = road.outers[0][index + 1]
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point_1: np.array = self.flinger.fling(node_1.coordinates)
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point_2: np.array = self.flinger.fling(node_2.coordinates)
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scale: float = self.flinger.get_scale(node_1.coordinates)
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part_1: RoadPart = RoadPart(point_1, point_2, road.lanes, scale)
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part_2: RoadPart = RoadPart(point_2, point_1, road.lanes, scale)
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# part_1.draw_normal(self.svg)
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for node in node_1, node_2:
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if node not in nodes:
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nodes[node] = set()
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nodes[node_1].add(part_1)
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nodes[node_2].add(part_2)
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for node in nodes:
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parts = nodes[node]
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if len(parts) < 4:
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continue
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scale: float = self.flinger.get_scale(node.coordinates)
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intersection: Intersection = Intersection(list(parts))
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intersection.draw(self.svg, scale, True)
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def check_level_number(tags: dict[str, Any], level: float):
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"""
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Check if element described by tags is no the specified level.
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"""
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if "level" in tags:
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levels = map(float, tags["level"].replace(",", ".").split(";"))
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if level not in levels:
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return False
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else:
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return False
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return True
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def check_level_overground(tags: dict[str, Any]) -> bool:
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"""
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Check if element described by tags is overground.
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"""
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if "level" in tags:
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try:
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levels = map(float, tags["level"].replace(",", ".").split(";"))
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for level in levels:
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if level <= 0:
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return False
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except ValueError:
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pass
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if "layer" in tags:
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try:
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levels = map(float, tags["layer"].replace(",", ".").split(";"))
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for level in levels:
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if level <= 0:
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return False
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except ValueError:
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pass
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if "parking" in tags and tags["parking"] == "underground":
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return False
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return True
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