16-Zone Vaastu · CAD Engine

🔑 Google Gemini API Key

The AI Analysis and Q&A features use Google Gemini 1.5 Flash — which has a free tier with generous limits. You need a free API key from Google AI Studio.

1

Go to aistudio.google.com/app/apikey — sign in with any Google account

2

Click Create API Key → select or create a project → copy the key

3

Paste it below — it starts with AIzaSy…

✓ Gemini 1.5 Flash free tier: 15 requests/min · 1 million tokens/day · No credit card required
🔒 Your key is held only in JavaScript memory for this session. It is sent only to generativelanguage.googleapis.com and never stored anywhere else.

Without a key, all canvas tools, Vaastu zones, rotation and image overlay work fully. Only AI Analysis and Chat require a key.

⌨️ Keyboard & Interaction Guide

🎯 Tools (top toolbar)

SelectClick zones to inspect · Drag corners to reshape
PanDrag canvas to move view
RotateDrag the ring or compass bar to rotate Vaastu overlay
SnapToggle 1‑ft grid snapping for precise placement
+ / −Zoom in / out
FitCentre floor plan in view

🖱️ Canvas Interactions

  • Hover over a corner ● → drag to reshape the floor plan
  • Hover over an edge ◆ → drag to push/pull the wall
  • Click inside a coloured zone → inspect its Vaastu details in the right panel
  • Hover over the gold rotation ring → drag to rotate Vaastu layers
  • Drag on the compass bar at the bottom → set Vaastu rotation
  • Alt + Drag on an uploaded image → reposition it

📐 Right Panel Tabs

  • Zone — detailed info for the selected Vaastu zone
  • 📐 Image — upload a floor plan photo and overlay it on the canvas
  • ✦ AI — run Gemini‑powered Vaastu analysis on your plan
  • 💬 Ask — chat with AI about Vaastu (real web search + sources)

💡 Pro Tips

  • Use the Shape buttons (left panel) to switch between L, U, T, H, C, Z, +, and Courtyard layouts
  • Toggle Vaastu Layers to see zones, pada grid, devta names, attributes, room recommendations, and 16 wall points
  • Brahmasthan (centre) is always shown — the spiritual heart of the plan
  • Upload a photo and use ✦ Analyse to get AI feedback on your actual floor plan
Vaastu 0°
°
VAASTU ELEMENTS
Agni (Fire)
Jal (Water)
Prithvi (Earth)
Vayu (Air)
● Select | Hover over the plan to explore | — | ?
Scale: 11 px = 1 ft
— ft, — ft
◈ VAASTU COMPASS 0° → 360° · Drag to rotate overlay
— ° | —