Place your lights.
Place the camera where you took the photo. Drag its small target to aim it, then match the gold room edges to the photo using lens, height and tilt.
Fine tune
See your lighting.
Adjustments
Match the guides to where the ceiling and floor meet the walls. Drag the numbered corners, or choose a corner below to place it outside the photo.
Gold: ceiling. Blue: floor. The plan’s top-left is corner 1/5. Reset alignment returns to the camera placed on your floor plan.
Move lights on the plan or drag their ceiling markers on the photo. Select a gallery spot and choose “Aim here” to click its target on a wall. Uses a rectangular room envelope; furniture, people and openings do not cast new shadows.
Working from a real room?
Project your plan’s lighting onto a room photo.
JPG, PNG or WebP · stays on this deviceApproximate lighting study, not a certified lux calculation. Align the photo guides and enter your room dimensions for a useful placement preview. The original photo’s lighting remains visible.
04 Presets
Choose a starting layout. Replaces the current lights.
05 Windows
Click the start and end of a window on the same wall in the floor plan.
Illustrative daylight, with east sunrise, west sunset and equator-facing midday sun. No location, date or weather calculation. Photo lighting already present remains visible.