Iter Hierosolymitanum: The Crusade Trail Explorer

An authentic vintage cartographic explorer tracing the ~4,200 km overland First Crusade and medieval pilgrimage trail from Western Europe to Jerusalem, complete with historical dossiers, medieval lore, logistics, and surviving landmarks.

rocket_launch Launch prototype

⚡ The Prototype // Idea #3

Iter Hierosolymitanum: The Crusade Trail Explorer

Built in 1.5h with HTML5 Canvas, Vanilla JS, Natural Earth 50m/110m GeoJSON, Google Fonts (Cinzel, EB Garamond), FastAPI, Python 3.13, Antigravity

rocket_launch Launch prototype

tips_and_updates The 5 Morning Sparks

Ideas for European holidays

IDEA #1 lightbulb

Interrail

See villages and cities of France, Germany, Italy

Travel across Europe by train, exploring villages and cities through France, Germany, and Italy.

Travel

IDEA #2 lightbulb

E route through-hiking

Probably Scandinavia to Turkey

Trek along European long-distance paths (E-routes), through-hiking from Scandinavia down to Turkey.

Travel, Nature

IDEA #3 lightbulb

Crusade trail

Follow historic pilgrimage to the Holy Land

Follow the historic pilgrimage route across Europe towards the Holy Land.

Map, Travel, History SHIPPED

IDEA #4 lightbulb

Paragliding in the Alps

Paraglide with a backpack, landing and camping in remote mountains, monasteries

Hike-and-fly in the Alps: paraglide with a backpack, landing and camping in remote mountains and monasteries.

Travel, Nature

IDEA #5 lightbulb

Learn cooking in French Village

Few weeks, forage, fish, cook.

Spend a few weeks in a French village to forage, fish, and master local cooking.

Travel, Food

construction

How It Was Built With AI in 1.5 Hours

Handwritten Spark Generation

Write things on paper

AI OCR Ingestion

Feed into AI. It was good at decoding my handwriting!

Zero-Friction Entry Logging

Generate the entry for today from OCR, I didn't want to do data entry

Spec Correction & Ship

Minor correction to implementation plan, et voila

thumb_up

What Rocked

✓OCR was amazing
✓The look of cartographer style app is decent

bug_report

What Broke & Fixed

✗The map looks a bit weird, scroll to zoom doesn't work properly (fixed: restored full topological land rings, layered crisp 50m coastline linework, and implemented smooth exponential trackpad/mouse-wheel zoom)

smart_toy AI Interaction Summary

Genesis Prompt: "Can you create an entry for 27/9/2026 based on a photo /Users/lukaszdygon/Downloads/20260928_081245.jpg"
Interaction Turns: 6 human turns across 247 execution steps

Key Guidance Turns:
  • Turn 2: /spec-implementation 27-09-2026
  • Turn 3: no animation neededd, just an interactive map with facts about history. It should be cartography font/feel, not Memphis
  • Turn 4: yes
  • Turn 5: /record-implementation
  • Turn 6: 1. Write things on paper Feed into AI. It was good at decoding my handwriting! Generate the entry for today from OCR, I didn't ...

Tools Executed: run_command (52), view_file (46), replace_file_content (7), find_by_name (6), grep_search (3), ask_question (2)
Files Modified: 20260928_081245.jpg, README.md, SKILL.md, admin.py, app.py, base.html, build_static.py, crusade_trail.html