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Controls

Radim Brnka edited this page Mar 19, 2026 · 21 revisions

Control Areas

Mandelbrot Julia
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Riemann Rössler
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Mouse & Touch Controls

Mouse Button Touche Gesture Action Supported Modes
Left Button Drag One Finger Pan Pan All
Right Button Drag Pinch & Rotate Rotate Mandelbrot, Julia, Rössler
Left Button Hold One Finger Hold Zoom-in to pointer All
Right Button Hold - Zoom-out to pointer All
Left Button Single Click One Finger Tap Center & Generate URL link All
Left Button Double click One Finger Double-tap Zoom-in & Center All
Right Button Double click - Zoom-out & Center All
Wheel - Zoom All
Middle Click - Toggle Julia preview Mandelbrot
- Pinch / Spread Pan & Zoom & Rotate All

Hotkeys

Area/Button Hotkey Action Supported Modes
Navigation
Arrow Keys Pan All
Shift+Arrows Pan (fine) All
Alt+Left/Right Arrows Re (cx) stepping Julia
Alt+Shift+Left/Right Arrows Re (cx) stepping (fine) Julia
Alt+Up/Down Arrows Im (cy) stepping Julia
Alt+Shift+Up/Down Arrows Im (cy) stepping (fine) Julia
Space Zoom in All
Ctrl/Alt+Space Zoom out All
Shift+Space Zoom in/out (fine) All
Q Rotate counter-clockwise Mandelbrot, Julia, Rössler
W Rotate clockwise Mandelbrot, Julia, Rössler
Enter Toggle header All
F11 Toggle fullscreen All
Presets & Views
Views V Cycle to next preset All
PageDown Next preset All
PageUp Previous preset All
0-9 Jump to preset by number All
Dives D Cycle to next dive Julia
Shift+0-9 Start dive by number Julia
Mode & Display
Mode F Cycle fractal mode All
O Switch Mandelbrot ↔ Julia (with persistence) Mandelbrot, Julia
O Toggle zeta path Riemann
Display D Toggle display dropdown Riemann
Enter Toggle header visibility All
Palettes
Palette P Cycle to next palette All
Cycle Shift+P Toggle palette cycling All
Alt+P Reset to first palette All
Rendering
B Toggle shader (Perturbation ↔ Series Approx) Mandelbrot
B Toggle double precision Riemann
+ Increase iterations/terms All
Shift++ Increase iterations (fine) All
- Decrease iterations/terms All
Shift+- Decrease iterations (fine) All
A Toggle adaptive quality (AdaptQ) Mandelbrot, Julia
Riemann Controls
, Toggle critical line Riemann
M Toggle analytic continuation Riemann
N Toggle axes Riemann
Julia Controls
Alt+Arrows Adjust C parameter Julia
Shift+Alt+Arrows Adjust C parameter (fine) Julia
Tools
Reset R Reset view to default All
Shift+R Resize canvas to window All
Save S Save view dialog All
E Edit coordinates dialog All
Screenshot C Capture screenshot All
Ctrl+C Copy view JSON to clipboard All
Tour T Start/stop guided tour All
Debug
L Toggle debug panel All
K Toggle center crosshair All
B Toggle legacy renderer Julia

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