Drop CSV file here
or click to browse
or click to browse
📁 Load data
Click to apply and save all changes
🗺️ Basemap
🗺️ Overlays
↔️ Compare Layers
Show two map layers side-by-side with a draggable divider. Your CSV data appears on top of both layers.
💡 Default: Historical (left) vs Modern (right) — swap to suit your lesson
📍 NLS maps cover specific UK regions — the map will fly to the right area when you start. Free for educational use — maps.nls.uk
📝 Map Title
100
20
Text color
Background color and opacity
Drag the title to reposition it on the map
80%
🔧 Analysis Tools
🔍 Filter Points
💡 Filters are combined with AND logic
(all conditions must be met)
(all conditions must be met)
⭕ Buffer Zones
Single: "10" or Multiple: "5,10,15,20"
Unchecked: hover only • Checked: always visible
💡 Buffers show areas within X distance of points
Overlapping areas indicate proximity
Overlapping areas indicate proximity
⟶ Desire Lines
Draw lines or great circle arcs from many origins to a destination — migrations, trade routes, supply chains.
Step 1: Choose a destination
Click anywhere on the map to place your destination
Step 2: Origins
Recommended when multiple rows share the same origin location (e.g. multiple ingredients from the same country)
Step 3: Line Style
📏 Map Tools
📐 Distance Measurement
📐 Area Measurement
📍 Survey Points (Click to Collect)
Click points on the map to build a waypoint list — transects, routes, sample locations. Export as CSV.
🌐 Georeference (Click Map)
ℹ️ Instructions:
• Distance: Click Start → Click points on path → Double-click or Finish to complete
• Area: Click Start → Click 3+ points → Click Finish button
• Georeference: Check box → Click map → Copy coordinates (DD format works in Search)
• Use Cancel button to stop any measurement
• Distance: Click Start → Click points on path → Double-click or Finish to complete
• Area: Click Start → Click 3+ points → Click Finish button
• Georeference: Check box → Click map → Copy coordinates (DD format works in Search)
• Use Cancel button to stop any measurement
🎨 Drawing Tools
✏️ How to draw:
1. Choose drawing mode (Point/Line/Polygon)
2. Click on map to add points
3. Double-click to finish → Save/Cancel buttons appear
4. Press Ctrl+Z or Escape during drawing
1. Choose drawing mode (Point/Line/Polygon)
2. Click on map to add points
3. Double-click to finish → Save/Cancel buttons appear
4. Press Ctrl+Z or Escape during drawing
Drawing Style
💡 Style updates live during drawing - adjust anytime!
8
100%
30%
📐 Drawing Pop-up Size
Drawn Features
No features drawn yet
💡 Instructions:
Point/Line/Polygon: Click mode button → Click on map to add points → Double-click to finish
Freehand: Click button → Click and drag to draw → Release to finish
• Press Ctrl+Z or click "↶ Undo Point" to remove last point
• Press Escape or click "Cancel" to discard drawing
• Adjust style settings - preview updates live!
• Click "Save" to keep it
Point/Line/Polygon: Click mode button → Click on map to add points → Double-click to finish
Freehand: Click button → Click and drag to draw → Release to finish
• Press Ctrl+Z or click "↶ Undo Point" to remove last point
• Press Escape or click "Cancel" to discard drawing
• Adjust style settings - preview updates live!
• Click "Save" to keep it
🔖 Bookmarks
Save different views of your map with all settings, filters, and buffers
Bookmarks save: zoom, position, filters, buffers, overlays, and all settings. Export to transfer between computers.
Removes all data and settings
Legend
Legend is empty. Add data and configure styles to see legend items.
Map Rotation
• Toggle map rotation
• Ctrl+Right-click & drag to rotate
• Click compass to reset to north
• Toggle map rotation
• Ctrl+Right-click & drag to rotate
• Click compass to reset to north
0°