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Measure indoor light with your phone camera and visualize it as a heatmap.
LuxMapper turns your smartphone's camera into a lux sensor, letting you measure and record indoor brightness in just a few taps. Results are visualized as an intuitive heatmap, making it easy to check and improve your lighting plan. [Key Features] ■ Real-Time Lux Meter Analyzes the camera's exposure data to show the illuminance (lux) at your current position in real time. Check brightness instantly — no dedicated lux meter required. ■ Illuminance Mapping Measure lux at multiple points around a room to record unevenness in brightness across the space. Load a floor plan image and place measurement points for a more accurate distribution map. ■ Heatmap View Displays measurement data as a color-gradient heatmap. Bright and dark areas are visible at a glance, making lighting imbalances and blind spots easy to spot. ■ Project Management Save and organize measurement results as projects. Keep data from multiple rooms or locations organized and easy to revisit anytime. ■ Calibration Correct readings to match your specific device. Adjust the factor and offset for more accurate measurements. [Recommended For] • Anyone looking to improve lighting at home or in the office • Facility managers and safety/EHS staff handling lighting inspections • Lighting designers and interior designers checking real-world conditions against ANSI/IES illuminance recommendations • Anyone who wants an easy way to spot lighting unevenness or dark spots [Notes] • This app estimates illuminance from the camera's exposure data; it does not guarantee the same accuracy as a dedicated lux meter. • Measurement accuracy varies by device model and camera performance. • For more accurate results, use the calibration feature.