#!/usr/bin/env python3
"""Regenerate the four original Geography A4 SVG/PDF aids."""
from __future__ import annotations
import argparse
import os
import subprocess
from pathlib import Path
from xml.sax.saxutils import escape
HERE = Path(__file__).resolve().parent
INK, BLUE, MUTED, PALE, LIGHT = '#172d39', '#245875', '#425966', '#eaf3f7', '#f6fafc'
def txt(x: int, y: int, value: str, size: int = 18, bold: bool = False,
colour: str = INK) -> str:
return (f'{escape(value)}')
def box(x: int, y: int, w: int, h: int, fill: str = 'white') -> str:
return (f'')
def line(x1: int, y1: int, x2: int, y2: int) -> str:
return f''
def page(title: str, description: str, content: list[str]) -> str:
return '\n'.join([
'', '',
])
def hazard() -> str:
rows = [
('1 PROCESS', 'Card B1: heavy rain and runoff raise the creek.',
'The process may produce a hazard; no event is observed.'),
('2 MODEL ZONE', 'Card A: A = H; B = M; C and D = L.',
'These are relative labels for one invented scenario.'),
('3 COUNTED EXPOSURE', 'B2 contains 15 model dwellings in M.',
'Counted dwellings are not a count of people.'),
('4 CONDITIONS', 'Warning reach, roads and buildings are unknown.',
'Vulnerability and capacity need separate evidence.'),
('5 IMPACT', 'No actual inundation or loss is recorded.',
'A hazard-zone label is not a disaster report.'),
]
content = [txt(43, 170, 'Follow the evidence; stop at the missing step.', 18, True)]
for i, (head, a, b) in enumerate(rows):
y = 197 + i * 166
content += [box(42, y, 710, 145, PALE if i % 2 == 0 else 'white'),
txt(58, y + 37, head, 17, True, BLUE),
txt(58, y + 81, a, 15), txt(58, y + 120, b, 15)]
return page('Hazard to impact',
'Five numbered full-word steps distinguish physical process, model hazard zone, counted exposure, unknown vulnerability and capacity conditions, and unknown impact. No real hazard claim is made.', content)
def grid() -> str:
content = [txt(43, 167, 'North is up; A to D runs west to east.', 18, True),
txt(43, 202, 'One invented cell = 100 m × 100 m = 0.01 km².', 16),
txt(43, 242, 'CATEGORY / DWELLINGS IN CELL', 15, True, BLUE)]
heads = ['A · H', 'B · M', 'C · L', 'D · L']
for j, head in enumerate(heads):
x = 72 + j * 174
content += [box(x, 260, 164, 62, PALE), txt(x + 13, 299, head, 16, True)]
values = [[0, 8, 12, 4], [0, 15, 18, 5], [0, 6, 10, 3]]
for i, row in enumerate(values):
y = 330 + i * 128
content += [txt(43, y + 50, str(i + 1), 19, True, BLUE)]
for j, n in enumerate(row):
x = 72 + j * 174
content += [box(x, y, 164, 113, LIGHT if j % 2 == 0 else 'white'),
txt(x + 19, y + 49, f'{heads[j][-1]} / {n}', 20, True),
txt(x + 19, y + 82, 'dwellings', 15)]
content += [box(43, 753, 708, 158, PALE),
txt(58, 796, 'READ A RELATIONSHIP', 17, True, BLUE),
txt(58, 835, 'B2 (M / 15) is west of C2 (L / 18).', 16),
txt(58, 874, 'M does not mean one metre of flood depth.', 16),
txt(43, 972, '12 model cells = 0.12 km². Not a real map.', 16, True)]
return page('Grid reader',
'North-up original Creekbend 3-row, 4-column model grid. A column is H with zero dwellings in each cell; B is M with 8, 15, 6; C is L with 12, 18, 10; D is L with 4, 5, 3. Each invented square is 100 metres on a side. B2 lies west of C2.', content)
def overlay() -> str:
rows = [
('H / A1–A3', '0 + 0 + 0 = 0 dwellings', 'Do not conclude no people or road exposure.'),
('M / B1–B3', '8 + 15 + 6 = 29 dwellings', 'A middle category can contain many assets.'),
('L / C and D', '12+4+18+5+10+3 = 52 dwellings', 'Lower label does not mean zero impact.'),
]
content = [txt(43, 166, 'Overlay a model category with a separate count layer.', 17, True)]
for i, (head, count, note) in enumerate(rows):
y = 207 + 216 * i
content += [box(43, y, 708, 190, PALE if i % 2 == 0 else 'white'),
txt(60, y + 43, head, 19, True, BLUE),
txt(60, y + 94, count, 18, True),
txt(60, y + 145, note, 15)]
content += [box(43, 888, 708, 105, LIGHT),
txt(58, 930, 'NOT A RISK PROBABILITY OR DAMAGE FORECAST', 16, True, BLUE),
txt(58, 965, 'People, depth, buildings and response are unmeasured.', 15)]
return page('Overlay tally',
'Three separate model inundation categories are overlaid with invented dwellings: H zero, M 29, L 52. Full written arithmetic and cautions show that a dwelling count does not measure people, losses or probability.', content)
def risk() -> str:
rows = [
('SAME HAZARD + EXPOSURE', 'Eastbank and Westbank: 20 dwellings each in M.'),
('DIFFERENT CAPACITY EVIDENCE', 'East: rehearsed warning; two checked possible routes.'),
('SYSTEM GAP TO INVESTIGATE', 'West: warning reach untested; crossing unverified.'),
('CAUTIOUS INFERENCE', 'Consequences may differ; no losses are reported.'),
('ACTION + EVIDENCE', 'Test warning reach and ask authority to verify routes.'),
]
content = [txt(43, 164, 'Compare systems, not stereotypes about residents.', 18, True)]
for i, (head, value) in enumerate(rows):
y = 198 + i * 162
content += [box(43, y, 708, 143, PALE if i % 2 == 0 else 'white'),
txt(59, y + 46, f'{i + 1} {head}', 16, True, BLUE),
txt(59, y + 96, value, 15)]
content += [txt(43, 1030, 'Invented profiles ≠ required real two-place case study.', 15, True)]
return page('Risk evidence board',
'Five labelled steps compare equal invented M-zone exposure in Eastbank and Westbank, different warning and route capacity evidence, uncertainty about outcomes, and an authority-verified next action. No country development or resident trait is inferred.', content)
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument('--write', action='store_true')
if not parser.parse_args().write:
parser.error('pass --write to regenerate the four original A4 pairs')
env = {**os.environ, 'SOURCE_DATE_EPOCH': '1790640000'}
for stem, maker in (('hazard-to-impact', hazard), ('grid-reader', grid),
('overlay-tally', overlay), ('risk-evidence', risk)):
svg, pdf = HERE / f'{stem}.svg', HERE / f'{stem}.pdf'
svg.write_text(maker(), encoding='utf-8')
subprocess.run(['rsvg-convert', '--format', 'pdf', '--output', str(pdf), str(svg)],
env=env, check=True)
print(f'{stem}: SVG + PDF')
if __name__ == '__main__':
main()