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377 lines
13 KiB
Python
377 lines
13 KiB
Python
"""
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Simple OpenStreetMap renderer.
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Author: Sergey Vartanov (me@enzet.ru).
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"""
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import argparse
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import numpy as np
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import os
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import svgwrite
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import sys
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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 typing import Any, Dict
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from roentgen import ui
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from roentgen.constructor import (
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Constructor, Figure, Building, Segment)
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from roentgen.point import Point
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from roentgen.flinger import Flinger
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from roentgen.grid import draw_grid
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from roentgen.icon import Icon, IconExtractor
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from roentgen.osm_getter import get_osm
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from roentgen.osm_reader import Map, OSMReader
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from roentgen.scheme import Scheme
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from roentgen.direction import DirectionSet, Sector
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from roentgen.util import MinMax
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ICONS_FILE_NAME: str = "icons/icons.svg"
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TAGS_FILE_NAME: str = "data/tags.yml"
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MISSING_TAGS_FILE_NAME: str = "missing_tags.yml"
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AUTHOR_MODE = "user-coloring"
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CREATION_TIME_MODE = "time"
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class Painter:
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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, show_missing_tags: bool, overlap: int, draw_nodes: bool,
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mode: str, draw_captions: str, map_: Map, flinger: Flinger,
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svg: svgwrite.Drawing, icon_extractor: IconExtractor,
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scheme: Scheme):
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self.show_missing_tags: bool = show_missing_tags
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self.overlap: int = overlap
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self.draw_nodes: bool = draw_nodes
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self.mode: str = mode
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self.draw_captions: str = draw_captions
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self.map_: Map = map_
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self.flinger: Flinger = flinger
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self.svg: svgwrite.Drawing = svg
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self.icon_extractor = icon_extractor
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self.scheme: Scheme = scheme
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def draw(self, constructor: Constructor, points):
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"""
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Draw map.
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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): # type: Figure
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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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# Draw building shade.
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building_shade: Group = Group(opacity=0.1)
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length: float = self.flinger.get_scale()
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for way in constructor.buildings: # type: Building
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shift = np.array((length * way.get_levels(), 0))
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for nodes11 in way.inners + way.outers:
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for i in range(len(nodes11) - 1): # type: int
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flung_1 = self.flinger.fling(nodes11[i].coordinates)
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flung_2 = self.flinger.fling(nodes11[i + 1].coordinates)
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building_shade.add(Path(
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("M", flung_1, "L", flung_2, np.add(flung_2, shift),
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np.add(flung_1, shift), "Z"),
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fill="#000000", stroke="#000000", stroke_width=1))
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self.svg.add(building_shade)
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# Draw buildings.
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previous_level: float = 0
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height: float = self.flinger.get_scale()
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level_count: int = len(constructor.levels)
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for index, level in enumerate(sorted(constructor.levels)):
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ui.progress_bar(
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index, level_count, step=1, text="Drawing buildings")
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fill: Color()
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for way in constructor.buildings: # type: Building
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if way.get_levels() < level:
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continue
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shift_1 = [0, -previous_level * height]
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shift_2 = [0, -level * height]
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for segment in way.parts: # type: Segment
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if level == 0.5:
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fill = Color("#AAAAAA")
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elif level == 1:
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fill = Color("#C3C3C3")
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else:
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color_part: float = 0.8 + segment.angle * 0.2
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fill = Color(rgb=(color_part, color_part, color_part))
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self.svg.add(self.svg.path(
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d=("M", segment.point_1 + shift_1, "L",
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segment.point_2 + shift_1,
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segment.point_2 + shift_2,
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segment.point_1 + shift_2,
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segment.point_1 + shift_1, "Z"),
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fill=fill.hex, stroke=fill.hex, stroke_width=1,
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stroke_linejoin="round"))
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# Draw building roofs.
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for way in constructor.buildings: # type: Building
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if way.get_levels() == level:
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shift = np.array([0, -way.get_levels() * height])
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path_commands: str = way.get_path(self.flinger, shift)
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path = Path(d=path_commands, opacity=1)
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path.update(way.line_style.style)
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path.update({"stroke-linejoin": "round"})
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self.svg.add(path)
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previous_level = level
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ui.progress_bar(-1, level_count, step=1, text="Drawing buildings")
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# Trees
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for node in constructor.nodes:
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if not (node.get_tag("natural") == "tree" and
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("diameter_crown" in node.tags or
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"circumference" in node.tags)):
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continue
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if "circumference" in node.tags:
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self.svg.add(self.svg.circle(
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node.point,
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float(node.tags["circumference"]) *
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self.flinger.get_scale(node.coordinates) / 2,
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fill="#AAAA88", opacity=0.3))
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if "diameter_crown" in node.tags:
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self.svg.add(self.svg.circle(
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node.point,
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float(node.tags["diameter_crown"]) *
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self.flinger.get_scale(node.coordinates) / 2,
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fill=self.scheme.get_color("evergreen"), opacity=0.3))
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# Directions
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for node in constructor.nodes: # type: Point
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angle = None
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is_revert_gradient: bool = False
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if node.get_tag("man_made") == "surveillance":
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direction = node.get_tag("camera:direction")
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if "camera:angle" in node.tags:
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angle = float(node.get_tag("camera:angle"))
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if "angle" in node.tags:
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angle = float(node.get_tag("angle"))
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direction_radius: float = (
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25 * self.flinger.get_scale(node.coordinates))
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direction_color: Color = (
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self.scheme.get_color("direction_camera_color"))
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elif node.get_tag("traffic_sign") == "stop":
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direction = node.get_tag("direction")
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direction_radius: float = (
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25 * self.flinger.get_scale(node.coordinates))
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direction_color: Color = Color("red")
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else:
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direction = node.get_tag("direction")
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direction_radius: float = (
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50 * self.flinger.get_scale(node.coordinates))
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direction_color: Color = (
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self.scheme.get_color("direction_view_color"))
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is_revert_gradient = True
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if not direction:
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continue
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point = (node.point.astype(int)).astype(float)
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if angle:
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paths = [Sector(direction, angle).draw(point, direction_radius)]
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else:
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paths = DirectionSet(direction).draw(point, direction_radius)
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for path in paths:
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gradient = self.svg.defs.add(self.svg.radialGradient(
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center=point, r=direction_radius,
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gradientUnits="userSpaceOnUse"))
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if is_revert_gradient:
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gradient \
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.add_stop_color(0, direction_color.hex, opacity=0) \
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.add_stop_color(1, direction_color.hex, opacity=0.7)
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else:
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gradient \
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.add_stop_color(0, direction_color.hex, opacity=0.4) \
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.add_stop_color(1, direction_color.hex, opacity=0)
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self.svg.add(self.svg.path(
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d=["M", point] + path + ["L", point, "Z"],
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fill=gradient.get_paint_server()))
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# All other points
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nodes = sorted(constructor.nodes, key=lambda x: x.layer)
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for index, node in enumerate(nodes): # type: int, Point
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if (node.get_tag("natural") == "tree" and
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("diameter_crown" in node.tags or
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"circumference" in node.tags)):
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continue
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ui.progress_bar(index, len(nodes), step=10, text="Drawing nodes")
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node.draw_shapes(self.svg)
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ui.progress_bar(-1, len(nodes), step=10, text="Drawing nodes")
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if self.draw_captions == "no":
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return
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for node in nodes: # type: Point
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if self.mode not in [CREATION_TIME_MODE, AUTHOR_MODE]:
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node.draw_texts(self.svg, self.scheme, self.draw_captions)
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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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def main(argv) -> None:
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"""
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Röntgen entry point.
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:param argv: command-line arguments
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"""
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if len(argv) == 2:
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if argv[1] == "grid":
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draw_grid()
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return
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options: argparse.Namespace = ui.parse_options(argv)
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if not options:
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sys.exit(1)
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background_color: Color = Color("#EEEEEE")
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if options.mode in [AUTHOR_MODE, CREATION_TIME_MODE]:
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background_color: Color = Color("#111111")
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if options.input_file_name:
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input_file_name = options.input_file_name
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else:
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content = get_osm(options.boundary_box)
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if not content:
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ui.error("cannot download OSM data")
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input_file_name = [os.path.join("map", options.boundary_box + ".osm")]
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boundary_box = list(map(
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lambda x: float(x.replace('m', '-')), options.boundary_box.split(',')))
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full = False # Full keys getting
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if options.mode in [AUTHOR_MODE, CREATION_TIME_MODE]:
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full = True
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osm_reader = OSMReader()
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for file_name in input_file_name:
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if not os.path.isfile(file_name):
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print("Fatal: no such file: " + file_name + ".")
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sys.exit(1)
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osm_reader.parse_osm_file(
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file_name, parse_ways=options.draw_ways,
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parse_relations=options.draw_ways, full=full)
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map_: Map = osm_reader.map_
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missing_tags = {}
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points = []
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scheme: Scheme = Scheme(TAGS_FILE_NAME)
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min1: np.array = np.array((boundary_box[1], boundary_box[0]))
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max1: np.array = np.array((boundary_box[3], boundary_box[2]))
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flinger: Flinger = Flinger(MinMax(min1, max1), options.scale)
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size: np.array = flinger.size
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svg: svgwrite.Drawing = (
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svgwrite.Drawing(options.output_file_name, size=size))
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svg.add(Rect((0, 0), size, fill=background_color))
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icon_extractor: IconExtractor = IconExtractor(ICONS_FILE_NAME)
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def check_level(x) -> bool:
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""" Draw objects on all levels. """
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return True
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if options.level:
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if options.level == "overground":
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check_level = check_level_overground
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elif options.level == "underground":
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def check_level(x) -> bool:
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""" Draw underground objects. """
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return not check_level_overground(x)
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else:
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def check_level(x) -> bool:
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""" Draw objects on the specified level. """
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return not check_level_number(x, float(options.level))
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constructor: Constructor = Constructor(
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check_level, options.mode, options.seed, map_, flinger, scheme,
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icon_extractor)
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if options.draw_ways:
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constructor.construct_ways()
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constructor.construct_relations()
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constructor.construct_nodes()
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painter: Painter = Painter(
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show_missing_tags=options.show_missing_tags, overlap=options.overlap,
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draw_nodes=options.draw_nodes, mode=options.mode,
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draw_captions=options.draw_captions,
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map_=map_, flinger=flinger, svg=svg, icon_extractor=icon_extractor,
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scheme=scheme)
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painter.draw(constructor, points)
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print("Writing output SVG...")
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svg.write(open(options.output_file_name, "w"))
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print("Done.")
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