Overview
Exposure analysis inside the editor.
The tool overlays the scene with real-time visualizations intended as practical aids for artists and lighting teams working with different exposure workflows.
Relative analysis
The visualizations are intended for exposure comparison and inspection. The tool is not a calibrated measurement device.
Features
Visualization modes and controls
False ColorCustomizable IRE-style gradient for luminance inspection.
ZebraHighlight-clipping visualization.
Luminance MapGray-scale exposure visualization.
HDR / LDRDesigned to work in both HDR and LDR project setups.
Range controlsAdjustable range, threshold, intensity and inversion parameters.
Preview scaleEmbedded scale bar for the current luminance mapping.
The implementation is Blueprint-based and does not require C++.
Installation
Install and open the widget
- Install the asset from Fab into the Unreal Engine project.
- In the Content Browser, navigate to /Content/ExposureDebugger/Widgets/.
- Locate EUWBP_ExpTool.
- Right-click the asset and choose Run Editor Utility Widget.
Usage
Switch modes and tune the overlay
- Use the False Color, Zebra or Luminance Map buttons to switch visualization modes.
- Adjust range, thresholds, intensity and the invert toggle with the widget controls.
- The scene updates dynamically through a Post Process Material overlay.
- Use the embedded preview scale as a visual reference for the active luminance mapping.
Notes
Behavior and limitations
- The tool is editor-only and does not function in packaged builds.
- Preview scenes shown in marketing material are demonstrations and are not included.
- The tool does not change global project settings or make permanent project changes.